Companies Using AddToAny in London: 359 Active Firms (2026)
Companies running social-sharing widgets publish commercial websites that help visitors share content, with this cohort based across London.
Share-button code sits in the marketing stack rather than the core operating system, adding a lightweight route from owned content to external networks, messaging channels and referral traffic. In London, users tend to be web-reliant organisations with content, property, professional-services or software-led customer acquisition, rather than firms buying heavy enterprise platforms. Adoption usually signals that a site has enough publishing cadence, audience measurement and conversion tracking to justify maintaining external scripts. Commercially, the fit is more mid-market than hobbyist: internal ownership often sits between marketing, web operations and compliance, with consent management and performance monitoring treated as part of the same workflow.
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London has 359 actively trading companies running this social-sharing widget, making this a small, visible slice of the capital’s commercial web estate rather than a mass technology footprint. Reported employment totals 1,859 people. Sector tagging points to mixed demand: real estate and property accounts for 12% of the cohort, SaaS 10%, construction 8.1%, management consulting 7% and media and publishing 6.7%, with categories overlapping. That mix fits a tool used by organisations that publish articles, listings, guides or campaign pages and want low-friction distribution without building their own sharing layer.
Website operators using social-sharing widgets sit outside a sector-specific licensing regime, but the compliance burden is not absent. PECR applies when cookies or similar technologies store information on, or read information from, a visitor’s device; UK GDPR follows where personal data is involved. ICO guidance expects sites to tell users what is being set, what it does and why it is used. Non-essential cookies and similar scripts should not run before consent, and consent needs a clear positive action rather than passive continued browsing. For content and advertising-exposed sites, that places the widget inside the same governance queue as analytics, consent-management and tag-management tools.
Adoption appears likely to become more selective rather than simply broader. Smaller publishers and service firms tend to keep share widgets because they are easy to understand, cheap to maintain and familiar to editorial teams. Larger web teams are more likely to reassess them during site rebuilds, especially where page-speed targets, consent design and script inventory reviews sit with the same owners. Supplier consolidation in analytics, consent tooling and content management may also reduce the need for standalone widgets. The cohort therefore looks more like a long tail of practical web usage than a high-budget software market.
Adoption by company size
Adoption of AddToAny rises with company size across the trading companies in this cohort. 0% of the 532,485 companies with under 10 employees run AddToAny (257 detected). 0.6% of the 15,364 companies with 10–50 employees run AddToAny (86 detected). 0.9% of the 1,763 companies with over 50 employees run AddToAny (16 detected). That is a 0.9% gap between the over 50 employees and under 10 employees bands.
359
Active firms
2026
29
Above £5M turnover
Trading firms
6
Median headcount
Filed accounts
861
Verified contacts
Across this cohort
Top companies using AddToAny 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 filingsOperates an online platform for the art market, providing artwork listings, online auctions, gallery and auction house directories, a database of auction price results, and news and analysis on…
Serves art collectors, galleries, auction houses and art market professionals worldwide, including buyers, sellers and researchers in fine art, design and decorative art markets.
Financial Health
StrongStrong · Hiring · 36% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsPublishes online news and analysis for the private banking and wealth management sector, including titles such as WealthBriefing and Family Wealth Report. Organises industry awards, conferences and…
Serves B2B audiences in global private banking and wealth management, including senior decision makers, wealth managers, family office and family wealth advisers, technology/operations executives,…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 3y
Location
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Financial sub-scores
Computed from 4 filingsOperates an online property platform focused on affordable homeownership schemes. Provides listings for shared ownership and similar homes, search tools, mortgage and affordability resources, buyer…
Serves UK homebuyers seeking affordable homeownership, especially first-time buyers, second steppers, growing families and older buyers exploring Shared Ownership, Rent to Buy and similar schemes.
Financial Health
StrongStrong · Growing, Hiring · 41% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsPublishes a monthly history magazine featuring scholarly articles, essays and reviews on global historical topics. Offers print and digital subscriptions and provides an online archive of past issues…
Sells to individual history readers, gift buyers, and institutions such as libraries, schools and universities seeking access to serious historical articles, reviews and digital archives.
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsOperates a professional association for scientists, developers and academics. Organises conferences and events, publishes academic books and journals, manages memberships and certificates, and…
Serves students, university faculty, scientists, software developers, research bodies, academic institutions and industry professionals seeking memberships, conferences, journals, grants and awards.
Financial Health
WeakWeak · Hiring · 81% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsOperates an online platform providing London residential property market data, listings and archives for estate agents and related professionals, alongside research, analytics, CRM tools, referral…
Serves B2B property professionals in the prime London real estate market, including sales and lettings agents, brokers, property finders, valuers and surveyors, relocation agents, and related…
Financial Health
StableStable · -69% CAGR over 4y
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Financial sub-scores
Computed from 5 filingsOperates an international network of independent accounting and advisory firms. Provides audit and assurance, tax, accounting, corporate finance, restructuring, ESG consulting, outsourcing, and risk…
Serves businesses, charities and private clients operating internationally, across sectors including finance, energy, healthcare, real estate, construction, technology, media and telecoms.
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsSupports innovation by connecting businesses, researchers and investors, delivering sector networks, funding programmes, events and knowledge resources, and managing initiatives such as Knowledge…
Serves UK businesses, researchers, entrepreneurs, investors and public-sector innovation teams across sectors including agrifood, digital, health, energy, manufacturing, transport and defence.
Financial Health
StrongStrong · Hiring · 8% CAGR over 6y
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Financial sub-scores
Computed from 5 filingsProvides recruitment services for employers and job seekers, advertising vacancies and placing candidates across areas such as finance, compliance, legal, IT, marketing, operations, and office…
Serves employers hiring permanent, contract and early-careers staff, and candidates seeking roles across finance, insurance, legal, compliance, HR, IT, marketing, office support and operations,…
Financial Health
StrongStrong · Growing, Hiring · 109% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsInternational network of law and tax advisory firms providing legal services across jurisdictions. Advises businesses on corporate transactions, mergers and acquisitions, regulatory compliance,…
Serves corporate and institutional clients with cross-border legal and tax needs, including businesses in energy, oil and gas, mining, healthcare, telecoms, automotive, financial services, defence,…
Financial Health
StrongStrong · Hiring · 26% CAGR over 3y
Location
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Computed from 3 filingsOperates an online platform connecting individuals with self‑employed carers who provide live‑in, hourly, overnight, and domiciliary home care. Services include support for dementia, elderly care,…
Serves UK consumers and families arranging private home care for older adults, disabled people, children, and people with dementia, autism, Parkinson’s, mobility needs or post-operative support.
Financial Health
StrongStrong · Hiring · 50% CAGR over 2y
Location
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Financial sub-scores
Computed from 2 filingsDevelops and executes digital engagement and fundraising campaigns for corporations, non-profits and advocacy groups. Services include campaign strategy, grassroots mobilisation, customer engagement,…
Serves corporations, nonprofits, advocacy organisations and political campaigns, with buyers including fundraising, communications, marketing, advocacy and digital teams.
Financial Health
StableStable · 6% CAGR over 1y
Location
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Financial sub-scores
Computed from 5 filingsDevelops contextual AI technology for digital advertising. Provides tools that classify and analyse online content and bidstream signals to enable cookie‑free ad targeting, campaign optimisation, and…
Serves enterprise brands, media agencies, broadcasters, publishers, online platforms and adtech partners involved in digital, programmatic and CTV advertising.
Financial Health
HealthyHealthy · -54% CAGR over 5y
Location
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Computed from 5 filingsOrganises guided group and self-guided adventure holidays worldwide, including trekking, cycling, mountaineering, wildlife and cultural trips. Arranges itineraries, logistics and local leaders for…
Sells to consumers and families seeking active adventure holidays, including walkers, trekkers, cyclists, mountaineers, wildlife travellers and polar explorers, across a wide range of international…
Financial Health
HealthyHealthy · 2% CAGR over 4y
Location
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Financial sub-scores
Computed from 2 filingsOperates affiliate marketing websites focused on online gambling. Runs comparison and review platforms for bingo, slots and casino sites, publishing reviews and directing users to regulated gaming…
Serves online bingo, slots and casino operators seeking player acquisition, mainly in the UK regulated iGaming market; also targets consumers comparing online bingo, casino, sportsbook and crypto…
Financial Health
HealthyHealthy · Hiring · 17% CAGR over 1y
Location
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Computed from 5 filingsDesigns and sells tailor‑made and small‑group travel experiences worldwide, including cultural, adventure and special‑interest holidays. Arranges itineraries with boutique accommodation, local guides…
Targets B2C leisure travellers, including couples, honeymooners, families with older children, and special-interest travellers focused on food, wine, creative, active, winter, wildlife, and…
Financial Health
StableStable · Hiring · 30% CAGR over 4y
Location
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Operates out-of-home advertising networks including digital billboards and displays across roadside sites, airports, rail stations, retail centres and bus shelters. Sells advertising space and…
Serves brands, advertisers, media agencies and marketing teams seeking out-of-home advertising across UK roadside, airport, rail, retail and city environments.
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Financial sub-scores
Computed from 5 filingsProvides business advisory and consulting services including corporate finance, restructuring, dispute advisory, forensic investigation, risk management and strategic communications, helping…
Serves large enterprises, financial institutions, private equity firms and corporate leadership teams, especially CFOs and general counsel, dealing with high-stakes risk, restructuring, disputes,…
Financial Health
HealthyHealthy · Hiring · 19% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsDevelops and provides cloud software for order‑to‑cash management, including accounts receivable automation, invoice processing, cash application, collections and dispute management, credit risk…
Serves large enterprise finance and order-to-cash teams across construction, mining, CPG, financial services, ICT, life sciences, manufacturing, retail, services, transport, logistics, utilities and…
Financial Health
StrongStrong · Hiring · 24% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsRepresents actors, broadcasters, comedians, digital creators, musicians and sports talent. Provides talent management and agent representation, arranging brand partnerships, media appearances, and…
Serves individual entertainment and media talent—actors, broadcasters, creators, comedians, gamers, sports personalities, musicians, hosts and speakers—and businesses such as brands and production…
Financial Health
HealthyHealthy · Growing, Hiring · 4% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsOperates an online platform connecting households with self‑employed carers providing home care services. Arranges live-in, hourly and overnight care, and offers managed care support for elderly,…
Sells to consumers and families seeking private home care across the UK, especially older adults, people with dementia, autism or mobility needs, children needing care, and unpaid family carers…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides online international money transfer services allowing users to send funds to bank accounts, debit cards, mobile wallets, or cash pickup locations, and to pay bills or reload mobile phones…
Serves consumers sending international money transfers to friends and family, including migrants, expatriates and people supporting recipients abroad via bank deposits, wallets, cash pickup, phone…
Financial Health
WeakWeak · -65% CAGR over 4y
Location
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Provides investment management and financing services, including private credit lending, venture capital and tax‑efficient investment products. Manages funds for advisers, institutional and…
Serves UK-based financial advisers and wealth managers, institutional investors such as local government and family offices, individual investors, and UK businesses or founders seeking funding.
Financial Health
N/AN/A
Location
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Computed from 5 filingsProvides legal services to businesses and individuals, advising on corporate transactions, commercial contracts, intellectual property, employment law, data protection, and technology matters, and…
Serves businesses, founders, employers and commercial teams, particularly in technology and digital, consumer goods, fashion, food and drink, advertising, engineering, life sciences, fintech, defence…
Financial Health
WeakWeak · -10% CAGR over 4y
Location
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Computed from 5 filingsProvides private academic tutoring services for students across primary, secondary and university levels. Arranges one‑to‑one and small‑group tuition online and in person across subjects, and…
Serves UK parents, families and students seeking private tuition, alongside schools and local authorities needing in-school academic support, group tuition or revision provision.
Financial Health
StrongStrong · Growing, Hiring · 99% CAGR over 4y
Location
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Computed from 5 filingsRepresents businesses in the renewable energy and clean technology sectors through a trade association. Provides policy advocacy, industry forums, research, training, events and membership services…
Serves renewable energy and clean technology businesses in the UK, including companies across power, heat, transport, recycling, energy storage, finance and related infrastructure seeking trade…
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 4y
Location
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Computed from 5 filingsProvides training, workshops, keynote speaking and online learning resources for HR professionals and leaders, including a membership learning platform, mentoring, books and toolkits focused on…
Serves HR professionals, chief people officers, HR business partners, HR teams and business leaders in organisations worldwide, including individuals and corporate teams seeking HR and leadership…
Financial Health
StrongStrong · Hiring · 22% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsImports and sells child safety and home safety products, including safety gates, locks, latches, corner protectors, stroller accessories, car safety items, and baby feeding and hygiene products,…
Serves distributors and retailers in over 100 countries, as well as parents, carers and families buying child safety, pet care and home safety accessories.
Financial Health
HealthyHealthy · -3% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides specialist recruitment services for the enterprise resource planning (ERP) sector, connecting consulting partners and end‑user organisations with SAP, Microsoft Dynamics and other ERP…
Serves ERP consulting partners and end-user organisations globally seeking permanent or freelance ERP, SAP and Microsoft Dynamics talent, alongside ERP professionals looking for specialist vacancies.
Financial Health
StableStable · -9% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides marketing and communications consultancy focused on multicultural audiences. Services include campaign strategy and delivery, community engagement, insight research, influencer marketing,…
Serves UK public-sector bodies, healthcare organisations, educational institutions and charities seeking to engage multicultural and ethnic minority communities on health, education, social impact…
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 4y
Location
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Computed from 3 filingsCoordinates collaboration across the housebuilding sector to support delivery of climate and environmental goals for new homes. Produces guidance, research, tools and events on building standards,…
Serves UK homebuilding businesses, including housebuilders of all sizes, developers, supply chain partners and sector stakeholders involved in new homes standards and sustainability.
Financial Health
StrongStrong
Location
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Computed from 4 filingsOperates a business improvement district that supports town centre businesses through marketing campaigns, events, cost‑saving schemes, and business support services, alongside projects to improve…
Serves businesses in Kingston town centre, including retail, hospitality and other local employers, while also addressing visitors, employees and residents who use the town centre.
Financial Health
StrongStrong · -70% CAGR over 4y
Location
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Computed from 5 filingsOrganises public campaigns and projects advocating for a Green New Deal in the UK. Develops policy briefings, supports youth organising initiatives, and collaborates with researchers to promote…
Engages UK individuals, especially young people and climate campaigners, alongside policy researchers and political stakeholders concerned with Green New Deal policy.
Financial Health
StrongStrong · Growing, Hiring · 38% CAGR over 5y
Location
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Computed from 4 filingsProvides strategic communications and public affairs consulting, advising businesses, media organisations and political stakeholders on communication strategy, media relations, government relations,…
Serves B2B and public-sector clients, including FTSE 100 and challenger businesses, global media organisations, political campaigns, politicians, energy projects and industry bodies facing complex…
Financial Health
StrongStrong · Hiring · 25% CAGR over 5y
Location
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Computed from 5 filingsProvides digital marketing and media services including marketing automation, PPC management, search engine optimisation, lead generation and data mining, programmatic advertising, social media…
Serves businesses and brands needing external marketing support, including organisations running online campaigns, digital advertising, lead generation or location-based customer engagement.
Financial Health
HealthyHealthy · -8% CAGR over 4y
Location
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Computed from 5 filingsProvides public relations and brand communications services for beauty, wellness, medical aesthetics and lifestyle brands. Services include print and digital PR, social media management, influencer…
Targets brand owners and marketing teams at start-up and established beauty, wellness, health, medical aesthetics and luxury lifestyle brands, including consumer and ecommerce brands focused on the…
Financial Health
StrongStrong · Hiring · 15% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides recruitment services focused on operations and middle office roles within financial services. Sources and places candidates for positions in hedge funds, capital markets, and related firms,…
Serves financial services employers in London, particularly hedge funds and capital markets firms, hiring operations and middle office staff, alongside candidates seeking roles in those functions.
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 3y
Location
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Computed from 5 filingsProvides residential estate agency services including property sales, lettings, tenant sourcing, and property management. Markets homes and apartments, arranges viewings and valuations, and supports…
Serves residential tenants, homebuyers, landlords and property vendors in Canary Wharf, Docklands, Wapping, Limehouse, Royal Docks, Bow, Aldgate and other London boroughs.
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsProvides digital marketing services focused on pay‑per‑click advertising, including paid search, paid social, Google Shopping, display advertising, remarketing, and campaign measurement. Manages and…
Serves B2C retail and ecommerce brands, including beauty, luxury goods and homeware companies, seeking paid media support to acquire customers, grow revenue and manage UK and US digital campaigns.
Financial Health
StableStable · Hiring · 34% CAGR over 4y
Location
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Computed from 5 filingsProvides specialist recruitment and talent sourcing for information technology and fintech roles. Connects employers with software, security, testing and IT professionals, and publishes job listings,…
Serves InfoTech and FinTech employers in Ireland, the UK and Europe, particularly teams hiring technical, product, security, testing and capital markets technology roles.
Financial Health
StableStable · Hiring · 21% CAGR over 4y
Location
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Computed from 5 filingsOperates an online platform for purchasing physical gold and silver bullion bars and coins. Provides secure vault storage in clients’ names, international shipping, and buyback services for stored…
Targets private investors and companies looking to allocate wealth to physical gold and silver, including bullion buyers seeking non-bank storage and delivery options.
Financial Health
StrongStrong · Growing, Hiring · 57% CAGR over 4y
Location
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Computed from 5 filingsProvides legal services for startups and high‑growth businesses, advising on company formation, venture funding, investment rounds, share schemes, and commercial matters. Also publishes legal…
Serves UK startups and high-growth businesses, particularly founders and leadership teams at early-stage companies preparing for funding rounds, angel investment, Series A, or employee share schemes.
Financial Health
StableStable · Hiring · 6% CAGR over 4y
Location
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Computed from 5 filingsProvides residential property sales, lettings and management services. Lists properties for sale and rent, arranges valuations, and advises buyers, tenants and landlords. Also markets selected…
Serves residential tenants, landlords, buyers and vendors, including overseas investors and homebuyers from Hong Kong, China, Singapore, Malaysia, Taiwan, Thailand and the UAE seeking London and…
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
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Computed from 3 filingsProvides digital transformation consulting and implementation services, designing and developing e‑commerce platforms, customer experience systems, and technology integrations. Works with retailers…
Serves businesses seeking digital transformation and customer-facing commerce experiences, especially brands and manufacturers in fashion, luxury, food and beverage, design and B2B commerce, with…
Financial Health
StableStable · Hiring · 183% CAGR over 2y
Location
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Computed from 3 filingsProvides advertising technology for mobile apps and games, including a demand-side platform for user acquisition and retargeting, OEM-based app discovery placements, and rewarded playtime…
Serves B2B mobile app and game publishers, app marketers, and brands seeking app growth, including teams focused on user acquisition, retargeting, engagement, and monetization.
Financial Health
HealthyHealthy · Hiring · 53% CAGR over 2y
Location
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Develops and sells high-end residential property projects, including luxury apartment developments and mixed-use schemes, and manages design and development through its in-house studio and related…
Targets high-net-worth private buyers, investors and families seeking super-prime residences in central London neighbourhoods such as Mayfair and Holland Park, with content aimed at prospective…
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Computed from 4 filingsProvides healthcare communications and digital marketing services for pharmaceutical and healthcare organisations, including PR campaigns, product launch communications, patient activation…
Serves B2B healthcare and pharmaceutical organisations, including teams responsible for communications, digital marketing, patient activation, and product launches from evidence generation through…
Financial Health
HealthyHealthy · Hiring · 17% CAGR over 3y
Location
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Computed from 5 filingsProvides residential estate agency services including property sales, lettings and valuations. Markets homes for sellers and landlords, assists buyers and tenants with property searches and…
Serves homeowners, property buyers, landlords and tenants in West London, particularly Ealing, Hanwell, Northfields, Brentford and Acton, including clients involved in new homes, repossessions and…
Financial Health
StableStable · Hiring · 9% CAGR over 4y
Location
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Computed from 5 filingsProvides recruitment and staffing services for the insurance sector, placing permanent and contract professionals in areas including broking, underwriting, claims, finance, audit, risk and…
Serves insurers, brokers, MGAs, insurtechs and insurance software providers, from FTSE-listed groups to mid-size and start-ups, hiring permanent and interim staff across the London Market and wider…
Financial Health
WeakWeak · Hiring · 16% CAGR over 4y
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Key facts
About 8% of the trading cohort reports turnover above £5M (29 of 359 firms) — the rest sits below that revenue band.
8% of the cohort was incorporated since 2022 (29 firms), so a sizeable share is in its first few filing cycles.
Publishing-led web stacks are common among these share-button users: 81.9% also run a mainstream CMS, while 58.2% also run SEO tooling.
Separate detections put tag-management code at 48.7%, content-delivery infrastructure at 47.9% and bot-checking tools at 47.9%.
Real Estate & Property is the largest overlapping sector tag at 12.0%, followed by SaaS at 10.0% and Construction at 8.1%.
PECR and UK GDPR apply where share-button scripts store or access information on a user’s device, and the ICO says consent is needed before non-essential cookies are set.
IAB UK reported that UK digital advertising reached £35.5 billion in 2024, up 13% year on year, with search accounting for 47% of spend.
What else do AddToAny users run?
Share of the 359 AddToAny-running UK companies where each technology was also detected. As of June 2026.
Who runs AddToAny 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.
6
Median headcount
£574.7K
Median UK turnover
8.1%
Above £5M turnover
29
Incorporated since 2022
861 verified decision-maker contacts
across these 359 companies, with emails available in Firmbase. Filter by role, seniority and stack.
How AddToAny 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.
AddToAny is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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Frequently asked questions
How many companies in London use AddToAny?
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