Companies Using Constant Contact in London: 67 Active Firms (2026)
London companies running email marketing software use website-linked campaigns for consent-led customer communications under PECR and UK GDPR.
An email marketing platform on a public site usually points to a marketing function with consent capture, campaign operations and repeat audience contact already in place. Adoption tends to sit with membership organisations, education providers, publishers, distributors, manufacturers and SaaS businesses that sell to consumers, other businesses or defined member bases. Buying centres are usually marketing, communications and commercial operations rather than IT alone. Typical engagements are modest subscription and services commitments, but they still imply owned lists, campaign templates, form handling, opt-out processes and enough internal accountability for someone to manage audience segmentation and sending cadence.
Read more
London has 67 actively trading companies running this email marketing platform, making the local adoption picture a small, traceable subset of the wider marketing-operations market rather than a broad software category. The employment footprint is also contained: these firms report 629 employees between them. That shape fits the platform's usual role inside lean communications and commercial teams, where email is part of repeat customer contact rather than the whole operating model.
PECR sits closest to the channel, with the Data Protection Act and UK GDPR applying where personal data is used. ICO guidance says organisations "must not send marketing emails or texts to individuals without specific consent", subject to the limited soft opt-in for previous customers. Senders also need to identify themselves and give a valid contact route for opt-outs. Corporate-body marketing is treated more permissively than messages to sole traders and some partnerships, but screening suppression lists remains good practice. The guidance is under review following the Data (Use and Access) Act 2025, so governance around consent evidence and unsubscribe handling remains a live operating issue.
Adoption appears likely to remain tied to pragmatic marketing operations rather than large platform migrations. The cohort skews towards organisations that need regular newsletters, event follow-up and customer retention workflows, but do not necessarily run deep in-house engineering teams. Pressure is more likely to come from consent management, list hygiene and attribution expectations than from the email tool itself. Bundled website, analytics and form-capture stacks may narrow standalone switching decisions, while smaller operators tend to keep familiar templates until compliance or deliverability work forces a review.
What’s in the file
One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.
Company data
Verified directors — included
Adoption by company size
Adoption of Constant Contact rises with company size across the trading companies in this cohort. 0% of the 532,485 companies with under 10 employees run Constant Contact (46 detected). 0.1% of the 15,364 companies with 10–50 employees run Constant Contact (20 detected). 0.1% of the 1,763 companies with over 50 employees run Constant Contact (1 detected). That is a 0.1% gap between the over 50 employees and under 10 employees bands.
67
Active firms
2026
6
Above £5M turnover
Trading firms
7
Median headcount
Filed accounts
155
Verified directors
Across this cohort
Top companies using Constant Contact in London
Ranked by sales-readiness score: an AI model assesses what each company does, its sector and size, and scores its overall fit. Best-fit prospects appear first.
Financial sub-scores
Computed from 5 filingsProvides professional training courses, industry conferences, and specialist journals focused on data protection, freedom of information, records management, and information compliance. Also offers…
Serves information governance, data protection, FOI, records management and compliance practitioners across UK public, private and third-sector organisations, plus employers hiring compliance and…
Financial Health
StableStable · 0% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsMembership business organisation providing networking events, training and support for companies. Organises conferences, business awards and trade events, publishes a business magazine, and offers…
Serves businesses and employers in Hounslow, Ealing and Hammersmith & Fulham, including local SMEs, exporters/importers and overseas firms looking to establish in west London.
Financial Health
StrongStrong · Hiring · 26% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsDevelops a mobile publishing platform used by media companies to create and manage iOS, Android and web apps. The software supports digital editions, live content, podcasts and video, and provides…
Serves B2B publishers and media brands, including newspapers, magazines and digital-first news organisations, targeting product, audience, subscription and editorial teams that manage reader…
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsPublishes industry publications and operates events and conferences across multiple sectors. Also provides content marketing platforms and digital media channels that distribute editorial content and…
Financial Health
StableStable · -4% CAGR over 2y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides telecoms industry research, consulting, and events for telecom operators, technology vendors, and digital infrastructure companies. Produces analytical reports and tools, and advises on…
Serves B2B clients in telecoms, technology and digital infrastructure, including telecom operators, tech companies, partners, and senior executives involved in telecoms strategy, growth and…
Financial Health
WeakWeak · Hiring · 10% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides a B2B social media management and analytics platform. Tools support publishing, social listening, employee advocacy, and performance measurement, with integrations to CRM and marketing…
Serves B2B marketing, sales/revenue and HR teams at data-driven organisations, especially in tech/software, business services, legal services and manufacturing, with a global customer base of B2B…
Financial Health
HealthyHealthy · Hiring · 35% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsDevelops cloud-based communication software for businesses. Provides the MultiLine platform enabling secure voice calls, SMS, and messaging on employee mobile devices, including Microsoft Teams…
Sells mainly to businesses needing secure employee-client communications, especially firms in financial services, healthcare/pharma, education, construction and field services,…
Financial Health
StableStable · -51% CAGR over 5y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsDevelops and sells nutritional supplements formulated from vitamins, minerals, plant compounds and medicinal mushrooms. Products include mineral complexes, mushroom blends, and plant-based sleep…
Sells directly to health-conscious consumers seeking evidence-based nutritional supplements, including people interested in minerals, medicinal mushroom complexes, sleep support and immune or hormone…
Financial Health
StableStable · 0% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsOperates an online art platform offering fractional ownership of artworks through share purchases. Provides art advisory services, curated artworks for sale, and corporate art programmes, enabling…
Serves art collectors, private individuals, corporates and financial professionals, including companies seeking tailored art services and audiences interested in blue-chip, contemporary and digital…
Financial Health
DistressedDistressed
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides independent investment research and analysis for listed companies, funds and tax‑advantaged investment products. Produces commissioned company reports, sector outlooks and valuation…
Serves listed and growth companies, investment funds, and tax-advantaged product providers seeking to reach investors, plus investors and financial advisers using corporate and EIS/VCT research.
Financial Health
DistressedDistressed · Hiring · 3% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsOrganises sector-focused conferences and networking events for public and private sector professionals, particularly in government, healthcare, education, blue light services and enterprise IT,…
Serves senior public-sector and private-sector IT decision-makers, including central and local government, NHS/healthcare, blue light services, education, enterprise IT, security and digital…
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsOrganises children's holiday camps and school-based clubs offering sports, games, swimming and inflatable activities for ages 4–14. Also runs breakfast and after-school childcare programmes and…
Serves parents and carers of children aged 4–14 seeking school-holiday childcare, plus London schools and community organisations needing breakfast, after-school or activity programmes.
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 5y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides economic research and consultancy on global macroeconomics, geopolitics and financial markets. Produces economic models, risk scenarios and data analysis, and offers subscription research,…
Serves B2B and public-sector buyers, including governments, policymakers, banks, financial institutions, LGPS clients, pension funds and non-profits seeking macroeconomic, geopolitical and…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsMembership organisation for music managers that provides networking, professional development resources and industry guidance, represents managers’ interests, and engages with the music industry…
Serves UK music managers and artist managers, plus music industry associates seeking access to the management community. Also addresses artists looking to connect with managers.
Financial Health
HealthyHealthy · Hiring · 9% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsOperates a membership-based business network promoting trade and investment opportunities across Africa. Provides market insights, advisory and research services, investor missions, and business…
Serves businesses, investors and governments seeking African market entry, trade and investment opportunities, including Africa-focused corporates, funds and leaders across global markets.
Financial Health
StableStable · Hiring · 6% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides executive search and leadership consulting services, recruiting senior executives and board members for organisations. Advises on leadership development, organisational effectiveness, team…
Serves businesses, nonprofits and investors needing senior leadership talent, including boards and C-suites across financial services, healthcare, consumer, industrial, technology, private equity and…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides preparation resources for UK 11+ and school entrance exams, including in‑person and online mock exams, printable practice papers, and an online learning platform offering assessments,…
Sells to parents, tutors and students preparing for UK grammar school, independent school and common entrance exams, including 11+ candidates seeking mock exams, virtual mocks and practice materials.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsDevelops software add-ons and integrations for nonprofit CRM systems, particularly Blackbaud Raiser’s Edge NXT. Offers products including Chimpegration, Importacular and Audit Trail, and provides…
Serves nonprofit organisations, charities and social-good teams using Blackbaud Raiser’s Edge NXT or Salesforce, including fundraising, database and operations staff.
Financial Health
WeakWeak · -54% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Designs and supplies interior textiles and wallcoverings, including decorative fabrics, wallpapers, and trimmings. Produces patterned and plain materials for upholstery, furnishings, and interior…
Serves interior designers, decorators and other trade buyers, alongside homeowners and retail consumers using stockist and sample channels for residential interiors.
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides employer branding research and analytics, analysing large datasets on employer reputation to deliver insights, reports, and benchmarking tools such as the Employer Brand Index to help…
Serves HR, talent acquisition and employer brand leaders at large enterprises and multinationals, including Fortune 500 organisations, focused on employer reputation across geographies.
Financial Health
StableStable · Hiring · 6% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides wealth and investment management services for private clients and advisers, including discretionary portfolio management, managed portfolio services, financial planning and advice, and…
Serves private clients including entrepreneurs, high earners, business owners, retired people and families, as well as financial advisers, professional intermediaries, pension funds and institutions.
Financial Health
HealthyHealthy · -61% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 2 filingsProvides swimming lessons for babies, children and adults through small-group classes and crash courses. Offers coached instruction in heated pools, with progress tracking and online booking for…
Serves consumers in London, primarily parents and families seeking swimming lessons for babies and children, as well as adults looking for lessons, trials or crash courses in local club settings.
Financial Health
StrongStrong · Growing · 0% CAGR over 1y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 4 filingsDesigns and sells handmade jewellery including rings, earrings, necklaces, bracelets and bangles in gold, silver and gemstone settings. Offers opal and pearl pieces, men’s jewellery, bespoke items,…
Sells primarily to UK consumers shopping for women’s, men’s, wedding, engagement and gift jewellery, with trade account access for business buyers such as retailers or resellers.
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 3y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 4 filingsDevelops technology platforms and infrastructure for financial and capital markets, including multi‑asset exchange and trading systems, post‑trade processing, and blockchain-based solutions for…
Serves financial and capital market institutions, exchanges, post-trade providers, digital asset platforms, carbon market registries and participants across traditional, digital and hybrid asset…
Financial Health
DistressedDistressed · -7% CAGR over 3y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Provides Holocaust education programmes, teacher training and teaching resources. Organises the Lessons from Auschwitz project, survivor testimony events, outreach sessions and online materials for…
Serves UK schools, teachers and students, including programme participants and ambassadors, alongside corporate audiences, event attendees, donors and the wider public interested in Holocaust…
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides public relations and communications consultancy services, including media relations, corporate and financial communications, crisis and issues management, public affairs, litigation…
Serves businesses, professional services firms, law firms and financial institutions, including startups and enterprises in AI, clean energy, SaaS, fintech, proptech, industrials, real estate and…
Financial Health
WeakWeak · -6% CAGR over 5y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 2 filingsProvides temporary staffing and recruitment services, connecting job seekers with employers. Offers job search tools, employment applications, and client services to businesses seeking temporary…
Serves employers needing temporary staff and job seekers looking for employment opportunities, with client services aimed at businesses hiring temporary workers.
Financial Health
StrongStrong · Hiring · 100% CAGR over 1y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsLicenses SmileyWorld and related smiley icon trademarks for use on consumer products. Partners with brands to apply the designs to fashion, accessories, stationery, digital apps and other merchandise…
Sells to consumers shopping for branded fashion, accessories, jewellery, stationery and kids’ products, with ranges for men, women, children and back-to-school buyers; also addresses brand…
Financial Health
StrongStrong · Hiring · 8% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 2 filingsPromotes understanding between the UK and the Arab world through policy advocacy, public events, briefings and educational activities. Engages policymakers, media and the public on Middle East…
Serves UK policymakers, parliamentarians, donors, members and members of the public interested in Arab-British relations, Middle East policy, human rights, conflict resolution and civil society.
Financial Health
StableStable
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 4 filingsProvides commercial cleaning, SIA‑licensed security staffing, and hospitality personnel services. Supplies security officers, concierge staff, housekeeping teams, kitchen porters, and front‑of‑house…
Serves B2B and public-sector facilities and operations managers, property managers of residential blocks and commercial sites, security companies needing staff cover, and hotels, restaurants, event…
Financial Health
DistressedDistressed · 0% CAGR over 2y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides physical and digital music distribution for independent record labels, including vinyl, CD and digital releases. Offers manufacturing and marketing support, and operates an online store…
Serves independent record labels, plus music consumers and collectors buying electronic, jazz, hip hop, soul and world releases on vinyl, CD and digital formats.
Financial Health
StableStable · 0% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides sensory development classes for babies from birth to 13 months, featuring guided activities such as music, movement, massage, textures, visual play and signing. Also offers newborn “Hello…
Serves parents and carers of newborns and babies aged 0–13 months, including families seeking baby development classes, baby parties and sensory play products.
Financial Health
WeakWeak
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsManufactures and supplies window covering products including blinds, shades and motorised window treatment systems. Provides product samples, showroom access and online ordering for retailers and…
Serves B2B trade and wholesale buyers in the window-coverings market, including businesses that order online, request samples, use showroom support or apply for credit.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsSources and supplies discounted retail stock including customer returns, graded and surplus goods across multiple product categories. Purchases bulk lots from retailers and manufacturers and resells…
Sells to online and high street retailers worldwide seeking discounted stock across multiple categories; also works with major retailers and manufacturers disposing of returns, graded or clearance…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsProvides market research services including qualitative and quantitative studies, survey programming, respondent recruitment for B2B, healthcare and consumer audiences, and data collection. Also…
Serves businesses and research teams needing market research participants and data across B2B, healthcare, consumer and hard-to-reach audiences, including organizations running quantitative surveys…
Financial Health
StableStable · 0% CAGR over 2y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides consulting and advisory services to the hospitality industry, including hotel valuations and appraisals, feasibility and market studies, asset management, brokerage and transaction advisory,…
Serves B2B hospitality sector clients, including hotel owners, investors, lenders, developers, operators, brands, and public or private bodies involved in hotels, resorts, and convention, sports or…
Financial Health
HealthyHealthy · -3% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsPrepares and sells traditional English pie and mash dishes, including meat and vegan pies, mashed potatoes, liquor gravy, and stewed or jellied eels. Offers online ordering with chilled nationwide…
Sells primarily to consumers across the UK ordering traditional pie, mash and eels for home delivery, with hot delivery aimed at customers in selected London areas.
Financial Health
StableStable · Hiring · 18% CAGR over 2y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsDevelops and supplies Foamstream herbicide‑free weed control systems for commercial and public land management. Provides patented machinery that applies hot water and biodegradable foam to remove…
Sells to public-sector bodies, landscape contractors, utilities, private estates, parks teams, distributors and sports organisations seeking commercial herbicide-free outdoor maintenance solutions.
Financial Health
DistressedDistressed · -29% CAGR over 2y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides temperature mapping, thermal validation, and environmental monitoring solutions for pharmaceutical, biotech, and food industries. Supplies data loggers, thermocouple systems, validation…
Serves pharmaceutical, biotech, medical device and food companies, targeting validation, quality, engineering and cold-chain teams responsible for GMP-related thermal processes and…
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsProvides executive search and leadership advisory services, recruiting board members, CEOs and senior executives for organisations across multiple sectors. Also offers board advisory, digital and AI…
Serves businesses and investors seeking board, CEO and senior executive talent, with sector focus on technology and software, private equity, consumer, financial services, professional services,…
Financial Health
StrongStrong · -33% CAGR over 1y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides managed IT support and network services for businesses, including IT infrastructure management, cybersecurity, email security, and backup and disaster recovery. Supplies and supports…
Sells to businesses needing outsourced IT support, managed services and business software, including users of Microsoft 365, Dynamics 365 and Pegasus Opera. Targets organisations in Croydon, London,…
Financial Health
StableStable · -2% CAGR over 4y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Sources and wholesales discounted retail stock, including returns, graded and surplus goods, from high street retailers, online retailers and manufacturers. Sells mixed or bulk stock lots across…
Sells discounted returns, graded and surplus stock to online retailers and high street retailers worldwide, across multiple product categories.
Financial Health
N/AN/A
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 4 filingsOperates a Christian leadership network that publishes policy manifestos, news and media, provides resources and an online platform for church leaders, and collects donations to support faith‑based…
Financial Health
WeakWeak
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 2 filingsProvides regulatory compliance consulting and testing services for chemicals, cosmetics, food ingredients, medical devices and agrochemicals. Assists companies with product registration, safety…
Serves B2B manufacturers, importers and supply-chain companies in chemicals, cosmetics, food ingredients, medical devices and agrochemicals targeting regulated markets in China, EU/UK, North America…
Financial Health
StableStable · -20% CAGR over 1y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsProvides rental of digital cinema and broadcast production equipment, including 4K and 8K cameras, lenses, lighting, grip, monitoring systems, memory media and batteries, supplying camera packages…
Serves B2B film and TV production teams, including producers, cinematographers and crews working on features, dramas, commercials, documentaries and natural history programmes.
Financial Health
DistressedDistressed · -9% CAGR over 2y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides payroll processing and payroll tax services, along with human resources administration, recruitment support, background checks, time and labour tracking, employee self‑service tools, and…
Serves businesses needing outsourced payroll, tax, HR, benefits and time-management support, targeting owners, finance teams and HR staff at small and mid-sized employers.
Financial Health
StrongStrong
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 4 filingsProduces and manages building documentation including operation and maintenance manuals, health and safety files, BREEAM building user guides and handover information. Provides BIM asset tagging,…
Serves B2B clients involved in building projects and operations, including principal contractors, subcontractors, architects, property developers, building owners and operators across commercial,…
Financial Health
HealthyHealthy · -2% CAGR over 3y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Alternative investment management firm investing in real estate, international agribusiness and private businesses. Manages real estate funds, property development and management, agricultural…
Serves institutional investors, real estate owners and funds, international agriculture companies, government agencies, NGOs, and established businesses undergoing growth, strategic shifts,…
Financial Health
N/AN/A
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 4 filingsProduces high-end television programmes. Also provides design, feasibility, project management, and operational services for immersive entertainment venues and attractions, including concept…
Serves B2B and public-sector clients developing immersive entertainment venues, attractions and experiences, including leisure operators, museums, heritage sites, family entertainment centres and…
Financial Health
DistressedDistressed · -55% CAGR over 3y
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides parent-and-baby sensory development classes for infants from birth to 13 months, featuring activities such as music, movement, textures, play, and early communication. Also offers newborn…
Serves parents and carers of babies from birth to 13 months, including newborns up to 3 months, seeking local baby development classes, parties, and sensory play products.
Financial Health
DistressedDistressed
Location
Buy this list of 103 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
53 more companies and their verified directors are in the file
You’re seeing the top 50. Buy the list to get all 103 with directors, websites and financials.
Key facts
About 8% of the trading cohort reports turnover above £5M (6 of 67 firms) — the rest sits below that revenue band.
11% of the cohort was incorporated since 2022 (8 firms), so a sizeable share is in its first few filing cycles.
64.2% of the London cohort also run a content-management platform, so email capture and campaign landing pages tend to sit inside existing website publishing workflows.
Analytics and tagging are common around the email stack: 53.7% also run web analytics and 40.3% also run a tag manager.
Education & Training, Media & Publishing, Wholesale & Distribution, and Advanced Manufacturing each account for 10.4% of the cohort, pointing to a spread across service, content, distribution and production businesses.
Financial-risk signals are mixed, with 23.9% classed as stable, 11.9% as weak and 14.9% as distressed.
ICO guidance says organisations must not send marketing emails or texts to individuals without specific consent, except for a limited soft opt-in for previous customers.
What else do Constant Contact users run?
Share of the 67 Constant Contact-running UK companies where each technology was also detected. As of June 2026.
Who runs Constant Contact in the UK?
By sector
Sectors overlap, so shares need not sum to 100%.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
7
Median headcount
£558.3K
Median UK turnover
9%
Above £5M turnover
8
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 103 companies, alongside financials and websites, in one Excel + CSV file.
How Constant Contact usage is detected
Company data
Detected companies are joined to UK Companies House records and XBRL accounts data. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Detection
Firmbase crawls the public website of actively-trading UK companies and fingerprints the technologies present: tracking scripts, embedded forms, chat widgets, CMS markers and similar signatures. A company is included in this list when one or more of the technology's signatures are found on its site; closely-related variants of the same product are grouped under one name. Detection covers what is visible on the public web — a company using the technology purely internally, with no website footprint, will not appear. Counts are therefore a conservative floor, not a ceiling.
Freshness
Websites are re-crawled on a rolling basis and the underlying company data is refreshed from Companies House continuously; filings appear within days of submission. The list and its statistics are regenerated when the detected cohort moves meaningfully. You can see the last-updated timestamp near the top of the page.
Constant Contact is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
Constant Contact elsewhere
Frequently asked questions
How many companies in London use Constant Contact?
How is Constant Contact usage detected?
What kinds of companies use Constant Contact in London?
What do Constant Contact users in London also run?
How fresh is this data?
Can I get contact details for these companies?
Buy all 103 companies as a spreadsheet.
One Excel/CSV file with company details, websites and key data — yours to download and use.