B2B Companies Using OptinMonster in the UK: 118 Active Firms (2026)
B2B companies running website conversion tools sell to other organisations while using on-site lead capture in the UK market.
On-site conversion tooling in this cohort sits between the marketing website, analytics setup and sales follow-up process. For business-to-business suppliers, it is used less as a consumer-style promotion layer and more as a way to route white-paper downloads, demo requests, quote forms and newsletter sign-ups into a managed commercial workflow. The adoption pattern spans software suppliers, advanced manufacturing, managed services, marketing agencies and wholesale or distribution. Use of the tool tends to signal a company serving small-business, mid-market or enterprise buyers through a direct acquisition channel, with enough sales capacity to act on enquiries.
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The UK adoption cohort contains 118 actively trading B2B companies running this conversion tool. Reported employment totals 1,638 people across the cohort. Across 9,511 detected marketing-automation instances in the wider B2B sector, the system accounts for 1.2%, placing ninth in that category. The regional skew is London-heavy: 33.1% of users are registered in London, followed by the South East at 13.6%, the North West at 11.0%, the West Midlands at 9.3% and Wales at 7.6%.
Business-to-business marketing does not sit under a common UK licence; the relevant rulebook depends on the activity underneath, such as financial services, telecoms, data processing or professional services. For the lead-capture journey itself, ICO guidance on PECR matters. Electronic mail to corporate subscribers does not need PECR consent, but the sender must not conceal its identity and must provide a valid opt-out address. UK GDPR still applies when a form, tracking script or enrichment process handles personal data, including business-contact details. Live sales calls need separate housekeeping, including screening against CTPS and TPS and respecting earlier objections.
Adoption appears to be pulled by business-to-business firms that already treat the website as a sales channel rather than a brochure. The pattern tends to favour lean marketing teams because form logic, testing and routing can be changed without a full web-development cycle. Over time, the category may be squeezed from adjacent directions: broader marketing suites bundle more capture features, while privacy and browser changes make casual tracking less dependable. Firms with clearer consent flows, cleaner enquiry hand-off and closer sales follow-up are likely to keep using specialist capture tools; others may fold the function into existing customer platforms.
Adoption by company size
Adoption of OptinMonster rises with company size across the trading UK B2B companies in this cohort. 0.1% of the 76,784 companies with under 10 employees run OptinMonster (73 detected). 0.1% of the 31,788 companies with 10–50 employees run OptinMonster (36 detected). 0.2% of the 3,773 companies with over 50 employees run OptinMonster (6 detected). That is a 0.1% gap between the over 50 employees and under 10 employees bands.
118
Active firms
2026
1.2%
Of detected Marketing automation share
UK B2B
7
Median headcount
Filed accounts
281
Verified contacts
Across this cohort
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Key facts
About 11% of the trading cohort reports turnover above £5M (14 of 118 firms) — the rest sits below that revenue band.
5% of the cohort was incorporated since 2022 (6 firms), so a sizeable share is in its first few filing cycles.
Among B2B companies with a detectable marketing-automation system, the tool accounts for 1.2% (118) of 9,511 companies with a detectable system.
London accounts for 33.1% (39) of B2B firms running the tool, followed by the South East at 13.6% (16) and the North West at 11.0% (13).
The cohort overlaps most with SaaS at 22.9% (27), Advanced Manufacturing at 11.9% (14) and IT Services & Managed Services at 11.0% (13), with sector tags overlapping.
The ICO says PECR covers direct marketing by live or automated calls, electronic mail and fax, while UK GDPR still applies where business-contact personal data is processed.
For live B2B marketing calls, ICO guidance says organisations must screen against CTPS and TPS and must not call businesses that have objected.
Lead generation market share among UK B2B
Share of the 9,511 UK B2B with a detectable system. As of June 2026.
What else do OptinMonster-running B2B run?
Share of the 118 OptinMonster-running UK companies where each technology was also detected. As of June 2026.
Where OptinMonster B2B are, and how healthy they look
By region
By registered-office region; companies without a regional match count toward Rest of UK.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
7
Median headcount
£686.6K
Median UK turnover
11.9%
Above £5M turnover
6
Incorporated since 2022
281 verified decision-maker contacts
across these 118 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK B2B using OptinMonster
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 4 filingsProvides cloud-based HR, payroll and recruitment software for businesses. Platform includes tools for payroll processing, pension submissions, employee onboarding, time and attendance tracking,…
Serves UK SMEs and SMB employers, especially HR, payroll and hiring teams. Also targets accounting firms, payroll bureaus and referral partners serving small-business clients.
Financial Health
StrongStrong · Hiring · 100% CAGR over 3y
Location
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Financial sub-scores
Computed from 4 filingsDevelops software for visual effects, animation, and digital content production used in film, television, and design industries, including tools for compositing, 3D texturing, lighting, look…
Serves VFX, animation and media production studios, digital design teams, visual effects artists, and entertainment brands working on film, TV, animation and virtual production.
Financial Health
StrongStrong · Growing · 3% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsDevelops and provides cloud-based accounting software for small businesses and accountants. The platform supports bookkeeping, invoicing, expense tracking, VAT returns, payroll management, payment…
Sells to UK small businesses needing accounting, bookkeeping and payroll support, and to accountancy practices managing client accounts through partner tools.
Financial Health
HealthyHealthy
Location
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Financial sub-scores
Computed from 5 filingsProvides B2B data products including intent data, identity resolution, audience segmentation and campaign measurement. Aggregates data from a network of publishers and data providers to help…
Serves B2B sales, marketing and advertising teams, agencies, publishers and data/technology partners running account-based marketing, digital campaigns and campaign measurement.
Financial Health
StableStable · Hiring · 5% CAGR over 5y
Location
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Provides a cloud-based platform that automates security and regulatory compliance processes. Software monitors systems, collects audit evidence, manages access controls and risk, handles vendor…
Serves startups, mid-market and enterprise businesses, especially security, compliance and GRC teams in healthcare, government and fintech, plus organisations pursuing SOC 2, ISO 27001, HIPAA, PCI…
Financial Health
N/AN/A
Location
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Develops and supplies business software for accountancy firms, payroll and HR management, finance, and education administration. Provides cloud accounting, bookkeeping, payroll processing, HR…
Serves accountants, bookkeepers, payroll bureaus, SMEs, large enterprises, schools, trusts and independent schools, with sector-specific offerings for healthcare, hospitality and legal organisations.
Location
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Financial sub-scores
Computed from 5 filingsDevelops revenue management software for consumer goods brands, providing tools for trade promotion management, deduction management, account planning, forecasting, and financial tracking to manage…
Serves B2B consumer goods brands, from emerging to international, targeting account managers, trade marketing, sales, revenue management, finance, accounting and demand planning teams across retail,…
Financial Health
HealthyHealthy · -5% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsDevelops cloud-based payroll software for accountants, bookkeepers and payroll bureaux. Platform automates pay runs, timesheets, employee self‑service, pension auto‑enrolment, HMRC RTI reporting,…
Sells to UK payroll bureaux, accountancy firms and bookkeeping businesses that manage payroll for client employers, including firms needing bureau or reseller arrangements.
Financial Health
WeakWeak · -4% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides business software implementation and consulting, specialising in Sage ERP and CRM systems, Creatio CRM, and process management platforms. Offers software integration, CRM add‑ons,…
Serves UK businesses seeking ERP, CRM and process management platforms, including organisations in construction, manufacturing and wholesale, plus teams needing Sage, Creatio, cybersecurity, remote…
Financial Health
StableStable · Hiring · 14% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides implementation, integration, support and training for Infor SunSystems and Oracle NetSuite ERP and financial management systems. Offers cloud accounting software, reporting tools, process…
Targets businesses and not-for-profits using or evaluating SunSystems and NetSuite, including energy, financial services, hospitality, insurance, property management, housing associations, retail,…
Financial Health
StrongStrong · -2% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsDevelops cloud software that automates purchasing and accounts payable processes. The platform extracts invoice and document data, manages approval workflows, and supports collaboration and…
Serves businesses with purchasing and accounts payable teams, targeting finance managers, AP staff and approvers responsible for supplier invoices, purchase orders and internal spend approvals.
Financial Health
StableStable
Location
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Provides an online banking platform for small businesses offering checking accounts, credit cards, and access to financing. Includes tools for invoicing, bookkeeping, budgeting reserves, financial…
Serves small businesses, self-employed professionals, freelancers and consultants, including marketing advisors, web developers, brand designers, property managers, photographers and online retailers.
Financial Health
N/AN/A
Location
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Develops and provides cloud-based property management software for hotels, bed and breakfasts, vacation rentals and campgrounds. Platform includes booking management, channel distribution to online…
Serves B2B hospitality operators, including boutique hotels, bed and breakfasts, vacation rental hosts, campgrounds and property management companies managing guests, owners, bookings and online…
Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 2 filingsSupplies SOLIDWORKS CAD and engineering software, including simulation, data management and cloud design tools. Provides software subscriptions, licence upgrades, training courses, consultancy and…
Serves designers, engineers, product development teams, SMEs, universities and schools using SOLIDWORKS, across sectors such as packaging, agriculture, medical devices, sheet metal, hi-tech…
Financial Health
StrongStrong · Growing, Hiring · 25% CAGR over 1y
Location
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Financial sub-scores
Computed from 5 filingsProvides B2B and B2C marketing data and data management services, including data verification, cleansing and enhancement, customer acquisition lists, campaign planning and delivery, analytics, market…
Serves marketing, CRM and data teams at businesses and charities, including retailers and B2B organisations, that need consumer or business data for acquisition, retention, campaigns, research and…
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsProvides an employee engagement platform offering peer recognition, service awards, rewards and incentives, employee surveys, and wellness challenges. Also designs and supplies custom and symbolic…
Serves HR and people teams at businesses seeking employee engagement programmes, with messaging aimed at executives who need evidence on retention, eNPS, cultural health and ROI.
Financial Health
StrongStrong · Hiring · 9% CAGR over 6y
Location
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Financial sub-scores
Computed from 5 filingsProvides web hosting services including shared, cloud and VPS hosting, managed WordPress and WooCommerce hosting, domain registration and transfer, AI website builders, email hosting, and tools for…
Serves consumers, entrepreneurs, small businesses, ecommerce sellers, agencies and developers looking to establish or grow websites, online stores and web apps.
Financial Health
StrongStrong
Location
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Financial sub-scores
Computed from 5 filingsProvides sales, licensing, implementation, consultancy and training for ManageEngine IT management software. Helps organisations deploy tools for network monitoring, IT service management, security,…
Serves senior IT professionals, internal IT teams and MSPs in UK organisations that manage business networks, devices, applications, service desks and IT security using ManageEngine software.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides managed IT support and outsourcing services for businesses, including network design, 24/7 monitoring, cloud infrastructure, Microsoft 365 licensing, cybersecurity, IT consultancy, and…
Serves UK businesses, particularly London-based start-ups with 2–15 users and SMEs with 30–500 users, including firms needing outsourced or extended IT teams.
Financial Health
HealthyHealthy · -3% CAGR over 4y
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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Financial sub-scores
Computed from 5 filingsProvides employer of record services enabling companies to hire staff internationally without establishing local entities. Manages payroll, tax filings, employment contracts, benefits administration,…
Serves businesses expanding into overseas markets, especially companies hiring staff across multiple countries; cited customer segments include technology and financial services firms.
Financial Health
StableStable · 0% CAGR over 4y
Location
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Financial sub-scores
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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Computed from 5 filingsDevelops and provides online community platform software for enterprises, universities and membership organisations. Features include member directories, mentoring matching, groups, event promotion,…
Serves B2B organisations in corporate, education and membership sectors, including universities, alumni relations teams, enterprises and associations that manage online communities, mentoring,…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Provides cybersecurity incident response and breach recovery services, specialising in ransomware attacks. Offers system restoration, infrastructure assessments, cyber resilience planning, asset…
Serves mid-market and enterprise organisations across industries, including Fortune 500 companies and law firms, targeting IT, security, legal and risk teams responsible for cyber incident readiness.
Financial Health
N/AN/A
Location
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Computed from 2 filingsDevelops IT service management and governance, risk and compliance software. Provides tools for ticketing, workflow automation, incident and asset management, policy management, and self‑service…
Serves B2B and public-sector organisations, including enterprise IT, compliance, operations, customer support and facilities teams across MSPs, healthcare, education, charities, not-for-profits and…
Financial Health
HealthyHealthy · 0% CAGR over 1y
Location
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Computed from 5 filingsDevelops enterprise software for commercial and specialty insurers to manage underwriting operations. Provides a SaaS platform that connects underwriting data, workflows, pricing, and submissions,…
Sells to commercial and specialty insurance organisations, including Tier 1 and Tier 2 carriers, MGAs, reinsurers, Lloyd’s syndicates, and London market insurers managing complex underwriting…
Financial Health
HealthyHealthy · -43% CAGR over 4y
Location
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Computed from 5 filingsProvides cloud-based recruitment software including applicant tracking systems, CRM, search and matching tools, automation, analytics and onboarding platforms for staffing agencies, alongside…
Sells to recruitment agencies and staffing firms, from small agencies to enterprise organisations, serving sectors such as professional staffing, clerical and light industrial, healthcare, and…
Financial Health
StableStable · Hiring · 12% CAGR over 4y
Location
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Computed from 4 filingsDevelops business intelligence and analytics software providing dashboards, data visualisation, automated analysis and reporting tools. Platform supports embedded analytics in other applications,…
Serves enterprises, software companies, OEMs, application developers and data teams needing BI and embedded analytics, across sectors including financial services, healthcare, manufacturing, retail,…
Financial Health
StableStable · -85% CAGR over 3y
Location
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Computed from 4 filingsDevelops and provides cloud-based property management software for short-term and vacation rental operators. Platform integrates channel management across booking sites, reservation calendars, guest…
Serves short-term rental hosts, vacation rental property managers, and enterprise hospitality operators managing holiday lets, serviced apartments, aparthotels, guesthouses, B&Bs, outdoor stays, and…
Financial Health
StableStable · -75% CAGR over 3y
Location
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Computed from 3 filingsDevelops and provides cloud-based property management software for hotels, bed and breakfasts, vacation rentals, and campgrounds. The platform includes booking management, channel distribution to…
Targets hospitality operators and accommodation managers, including boutique hotels, B&Bs, vacation rental and Airbnb/Vrbo hosts, campgrounds, and property management companies managing multiple…
Financial Health
StableStable · -87% CAGR over 2y
Location
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Computed from 5 filingsDevelops structural engineering software for analysis and design of buildings, bridges, towers, foundations, and industrial structures. Products include specialised applications for steel, timber,…
Sells to structural engineering professionals and firms worldwide, including teams in buildings, oil and gas drilling, bridges, highway sign structures, telecom towers, electrical substations,…
Financial Health
StableStable · -4% CAGR over 4y
Location
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Computed from 3 filingsOrganises conferences, webinars and networking events for financial risk and regulatory professionals. Publishes market research reports, surveys and a magazine, and operates an online platform…
Serves B2B financial services audiences, including risk, regulation, compliance, treasury, ALM, model risk and third-party risk professionals, plus senior decision-makers in banks and related…
Financial Health
WeakWeak · Hiring · 13% CAGR over 2y
Location
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Provides cloud communications platform enabling businesses to send and manage SMS, voice, email, and messaging app communications via APIs. Offers A2P messaging, WhatsApp and RCS messaging, chatbots,…
Serves enterprises needing customer communication at scale, including BFSI, ecommerce, healthcare, telecommunications and hospitality firms, plus sales, marketing, customer care and engagement teams…
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Computed from 4 filingsProvides cloud-based business software for finance, HR and payroll, CRM, ERP, payments, learning and compliance, warehouse and operations management, plus managed IT services, serving sectors such as…
Sells to businesses, charities, education providers, healthcare and social care organisations, local authorities, and sector-specific teams in areas such as finance, HR, operations, recruitment,…
Financial Health
DistressedDistressed · -77% CAGR over 3y
Location
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Computed from 5 filingsDevelops embedded analytics and business intelligence software for SaaS applications, including dashboards, reporting, and predictive analytics tools. Platform integrates into products to provide…
Targets B2B SaaS vendors and software product teams, especially in healthtech, fintech, edtech and retailtech, with buyers in product, engineering and leadership roles.
Financial Health
DistressedDistressed · -1% CAGR over 5y
Location
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Computed from 3 filingsProvides software for supply chain network design, optimization and scenario modelling. Platform enables companies to model logistics networks, plan production and inventory, evaluate risks and…
Serves B2B supply chain, planning and operations teams at global companies, especially in oil and gas, food and beverage, retail/e-commerce, process manufacturing, electronics/components and real…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Computed from 2 filingsProvides digital commerce consulting and development services for brands and retailers. Offers strategy and insights, customer experience design, e‑commerce platform integration, optimization, and…
Serves B2B clients: international consumer brands and retailers seeking digital commerce support across new and existing markets, including omnichannel and direct-to-consumer operations.
Financial Health
WeakWeak · Hiring · 14% CAGR over 1y
Location
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Computed from 5 filingsProvides digital advertising services including pay‑per‑click campaign management across Google Ads, Bing, Facebook, Instagram and other platforms. Offers remarketing, display and social media…
Serves B2B and non-profit organisations seeking digital advertising, with stated focus on finance, real estate, recruitment, ecommerce, charities and non-profits.
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 5y
Location
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Computed from 5 filingsProvides employee engagement and culture measurement software and consultancy. Offers survey tools, benchmarking against global workforce data, and analytics platforms that assess employee sentiment,…
Serves HR, people, culture and leadership teams at businesses and larger organisations seeking insight into employee engagement, wellbeing and workplace culture, including employers with global…
Financial Health
StrongStrong · Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsDevelops software-defined data storage platform providing file and object storage, data management and visibility across cloud, data centre and edge environments, enabling organisations to store,…
Sells to enterprises and public sector organisations with large unstructured data and hybrid cloud needs, including teams in energy, financial services, healthcare, higher education, life sciences,…
Financial Health
StrongStrong · Hiring · 10% CAGR over 5y
Location
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Computed from 5 filingsProvides an online video creation platform that enables users to generate animated and branded videos using templates and AI tools. Features include text‑to‑video generation, logo animations, intros,…
Serves business owners, marketing teams, content creators and agencies needing branded video content for websites, social media, adverts, training and client campaigns.
Financial Health
StableStable · -23% CAGR over 4y
Location
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Provides enterprise IT services including audiovisual and collaboration systems, Microsoft Teams and Webex room deployments, network and data centre infrastructure, managed IT support, asset…
Serves large multinational enterprises and industry leaders with complex, global IT operations, including corporate workplace, data centre, networking, banking, and supply chain technology buyers.
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Computed from 3 filingsDesigns and manufactures hygienic positive displacement pumps and flow control equipment, including air‑operated double diaphragm pumps, drum pumps, valves, strainers, sight glasses and bubble traps…
Serves B2B production and processing operations in food and beverage, dairy, bakery, meat and poultry, beauty and personal care, pharmaceutical/biological, industrial and transportation sectors.
Financial Health
StableStable · Hiring · 47% CAGR over 2y
Location
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Develops financial software and data platforms for trading, treasury, risk management and market analytics. Provides order management, execution, clearing and post‑trade systems, along with credit,…
Serves financial institutions, central banks, corporates, commodity traders, asset managers, banks, and capital markets teams, targeting CFO, treasury, risk, compliance, trading, operations and…
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Computed from 4 filingsDevelops security automation software that uses AI and low‑code workflows to automate security operations. Platform integrates security tools, manages alerts and incidents, and supports vulnerability…
Serves enterprise security and SecOps teams, SOC leaders, MSSPs/MSPs, and public-sector security teams across finance, healthcare, energy, education, government, and retail.
Financial Health
StableStable · Hiring · 4% CAGR over 3y
Location
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Provides international road freight logistics, including European groupage, part‑load and full truckload transport. Offers customs and duty-paid shipping solutions, shipment booking and tracking, and…
Serves B2B customers, including UK importers and exporters, manufacturers, retailers and ecommerce brands moving goods across Europe and global markets.
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Computed from 5 filingsProvides media planning and buying across online and offline channels, including search engine optimisation, paid and organic search strategy, data analytics, and content strategy. Develops…
Serves brands and marketing teams, particularly in property and travel, including developers, shared ownership providers, airlines and other consumer-facing organisations.
Financial Health
HealthyHealthy · Hiring · 29% CAGR over 4y
Location
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Develops electronic design automation software for printed circuit board design, electrical and wire harness design, model‑based systems engineering, and engineering data management, supporting the…
Sells to businesses designing electrical and electronic products, from companies just getting started to global enterprises. Targets engineering, PCB, wire harness, control panel and systems…
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Develops financial software and data platforms used by banks, brokers, asset managers and corporates for trading, risk management, treasury, and market analytics, supporting execution, post-trade…
Serves financial institutions, central banks, corporates and commodity-market participants, including asset managers, trading desks, treasury/CFO teams, risk officers and logistics/financial managers…
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Computed from 5 filingsProvides SAP consultancy and technical services including cloud migrations, RISE with SAP implementation support, SAP BTP enablement, application lifecycle management (ALM), security services, and…
Serves organisations already using SAP, including businesses and government bodies, with complex technical, architecture, support or security challenges around their SAP landscapes.
Financial Health
StrongStrong · Growing, Hiring · 28% CAGR over 4y
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How OptinMonster 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. B2B companies are identified using Firmbase's semantic classification of company activity, built from filings, websites and registered SIC codes rather than SIC codes alone. The detected counts and share figures on this page are computed within that sector cohort, so "share" always means share of B2B companies with a detectable system — not of all UK companies.
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.
OptinMonster is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
UK B2B by Lead generation
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Frequently asked questions
How many UK B2B companies use OptinMonster?
What share of UK B2B companies run OptinMonster?
How is OptinMonster usage detected?
What size B2B companies use OptinMonster in the UK?
What do OptinMonster-running B2B companies also run?
Can I get contact details for these companies?
Search 118 UK companies by the lead generation technology they run.
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