Companies Using Impact in London: 112 Active Firms (2026)
Companies in this cohort run a specified website technology to support digital marketing, commerce or customer journeys from London.
Marketing, ecommerce and customer-success teams are the main buying centres for Impact users, with finance or operations involved where attribution affects sales reporting. Adoption usually signals a maintained commercial site rather than a brochure presence: someone is managing conversion paths, content updates, campaign tags and service journeys. The London cohort skews towards web-led operators selling to business buyers, consumers, donors or patients, with lean teams still expected to support national or international acquisition. Engagements tend to sit below enterprise transformation programmes, but above ad hoc website maintenance, because the stack only makes sense when traffic, content and customer tracking are reviewed regularly.
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London has 112 active companies running Impact, making this a relatively small adoption cohort rather than a broad web-technology layer. Reported employment totals 1,755 people, so the footprint is not limited to owner-managed sites. The mix includes SaaS, healthcare-provider, agency, charity and ecommerce operators, which fits a tool used around acquisition, engagement and online service delivery rather than one narrow vertical. The commercial profile also looks uneven: some users are lean, revenue-heavy operators, while others have the staff base to maintain governed content, analytics and sales or service workflows.
Claims governance matters for London firms running Impact when the same websites describe sustainability, social impact or investment outcomes. Impact-related financial services are not a single licensed sector, but FCA rules apply where a business is authorised or markets investment products. Under the FCA’s Sustainability Disclosure Requirements, authorised firms making sustainability-related claims must follow the anti-greenwashing rule; in-scope asset managers also face naming, marketing and disclosure controls, and retail investment products cannot use terms such as “impact” unless the product uses a sustainability label. Government advisory work on mobilising impact capital adds another reason for website, legal and compliance teams to keep campaign language aligned.
Adoption appears likely to remain tied to web-led commercial maturity rather than sector fashion. London users with active acquisition, commerce or service-journey teams tend to keep specialist website tools in place when those tools are connected to attribution and customer handling. Smaller operators may be pulled towards bundled marketing suites as budgets tighten, while more regulated users are likely to keep closer review over claims, consent flows and content approvals. The result is a cohort that may churn at the margin, but where retained use tends to sit inside broader revenue operations rather than isolated website administration.
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 Impact rises with company size across the trading companies in this cohort. 0% of the 532,485 companies with under 10 employees run Impact (22 detected). 0.1% of the 15,364 companies with 10–50 employees run Impact (9 detected). 0.1% of the 1,763 companies with over 50 employees run Impact (2 detected). That is a 0.1% gap between the over 50 employees and under 10 employees bands.
112
Active firms
2026
12
Above £5M turnover
Trading firms
8
Median headcount
Filed accounts
266
Verified directors
Across this cohort
Top companies using Impact 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 2 filingsDevelops and operates an online indoor cycling and running training platform that connects with smart trainers and bikes, offering virtual routes, structured workouts, group rides, and competitive…
Serves B2C cyclists and indoor fitness enthusiasts, from beginners to competitive riders and professional cyclists, who use smart trainers or smart bikes for training, group rides and racing.
Financial Health
WeakWeak · -13% CAGR over 1y
Location
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Provides online international money transfer services, enabling users to send funds to recipients via bank transfer, cash pickup, mobile money, or airtime top‑up. Platform supports payments by bank…
Serves consumers sending money internationally to family, friends or other recipients, including users needing bank transfers, cash pickup, mobile money or airtime top-ups across supported countries.
Location
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Financial sub-scores
Computed from 3 filingsProvides a mobile app offering business current accounts integrated with accounting and tax tools for sole traders and freelancers. Includes invoicing, payment acceptance, automated transaction…
Serves UK sole traders, freelancers, self-employed people and small businesses; also targets accountants supporting small business clients.
Financial Health
StableStable · -7% CAGR over 2y
Location
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Develops and provides a cloud-based platform for retailers to manage loyalty programmes, digital promotions and personalised offers. The system uses customer data and AI to deliver real-time offers,…
Sells primarily to B2B retail and consumer-facing brands, especially grocery, food and beverage, eCommerce, fashion, fuel retail and hospitality businesses seeking loyalty, promotions and…
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Operates an online money transfer platform enabling individuals to send funds internationally. Transfers can be paid by bank transfer or card and delivered to bank accounts, mobile money wallets,…
Sells to consumers sending money internationally, particularly individuals transferring funds to family or contacts abroad via bank accounts, cash pickup, mobile money or airtime top-up.
Location
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Financial sub-scores
Computed from 5 filingsOperates an online comparison platform for consumer financial products and services, including credit cards, bank accounts, savings, loans, mortgages, insurance and investment platforms, alongside…
Serves UK consumers seeking personal finance, insurance, utilities and telecoms deals, plus small businesses and startups looking for business banking, credit cards and loans.
Financial Health
WeakWeak · -1% CAGR over 5y
Location
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Computed from 5 filingsProvides in-game audio advertising technology that enables brands and artists to deliver audio ads within mobile apps and games. Offers ad formats, targeting and developer integrations that allow app…
Serves B2B advertisers, brands, music artists and labels seeking mobile app audiences, alongside mobile game and app developers looking for monetisation partners.
Financial Health
WeakWeak · Hiring · 76% CAGR over 4y
Location
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Computed from 3 filingsDevelops and provides digital language-learning software and mobile applications offering interactive lessons, speech recognition pronunciation feedback, and immersive exercises. Supplies…
Serves individual language learners, corporate training teams seeking workforce language skills, schools and education institutions, plus public and non-profit organisations.
Financial Health
StableStable · Hiring · 8% CAGR over 2y
Location
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Computed from 4 filingsProvides a customer data platform that collects, unifies and processes customer data from multiple digital sources, enabling businesses to build customer profiles, analyse behaviour, and activate…
Serves B2C multi-channel consumer brands, including ecommerce, media, fintech and subscription businesses, targeting marketing, product, CRM and data teams managing large-scale customer engagement.
Financial Health
StrongStrong · Hiring · 41% CAGR over 3y
Location
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Computed from 4 filingsProvides a behavioural AI platform that measures consumer attention, emotion and memory in response to advertising. Uses eye‑tracking, facial coding, implicit tests and simulated social and video…
Sells to brand marketing and insights teams, creative and media agencies, and digital advertising platforms focused on campaign effectiveness for social, video, and CTV advertising.
Financial Health
StrongStrong · Hiring · 33% CAGR over 3y
Location
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Computed from 5 filingsDevelops and operates a legal market data platform that aggregates and analyses publicly available information on lawyers and law firms. Provides searchable databases, market intelligence tools, and…
Serves law firms, specialist legal recruiters, investors, media organisations, service providers to the legal sector, and individual lawyers seeking UK and Ireland legal market intelligence.
Financial Health
StableStable · Hiring · 17% CAGR over 5y
Location
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Computed from 5 filingsProvides online consultations and sells treatment plans and products for male hair loss and beard growth, including medications such as minoxidil. Supplies subscription-based products delivered to…
Sells direct to male consumers in the UK, especially men with mild to moderate hair loss or beard growth concerns seeking online consultation, discreet delivery and subscription-based treatment plans.
Financial Health
WeakWeak · Hiring · 76% CAGR over 4y
Location
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Designs and sells paper notebooks, diaries, planners and journals, along with pens, pencils, bags and related accessories. Also offers smart notebooks and mobile apps that digitise handwritten notes,…
Sells to individual consumers, students, professionals, creatives and gift buyers, with a separate corporate gifting audience of businesses procuring personalised stationery and accessories.
Financial Health
N/AN/A
Location
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Computed from 5 filingsProvides digital marketing services focused on partner‑led customer acquisition. Manages affiliate, mobile and in‑app campaigns, influencer marketing, retail media advertising, connected TV…
Serves B2B marketing and growth teams at consumer brands, app owners and ecommerce retailers seeking customer acquisition through affiliate, mobile, influencer, retail media, CTV and voice commerce…
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsProvides cloud-based software for automated pre-employment background screening. Platform performs identity, criminal record, right‑to‑work, education and employment verification checks, reference…
Serves HR and recruiting teams at businesses of all sizes, from small firms to enterprises, with emphasis on finance, health and social care, childcare and education employers.
Financial Health
StrongStrong · Growing, Hiring · 95% CAGR over 4y
Location
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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 2 filingsProvides a platform for managing international hiring and workforce administration. Offers employer‑of‑record and contractor‑of‑record services, global payroll, contractor payments, compliance…
Serves businesses building remote or global teams, targeting HR, finance and legal teams that hire employees or contractors across borders, including companies recruiting international tech talent.
Financial Health
HealthyHealthy · Hiring · 24% CAGR over 1y
Location
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Computed from 4 filingsOperates an online platform that connects families with vetted nannies for after-school and full-day childcare. Enables search, messaging, interviews and hiring, and provides employer support…
Serves UK families seeking childcare, including parents needing part-time after-school nannies for children aged 3+ or full-day nannies for babies and toddlers.
Financial Health
WeakWeak · -17% CAGR over 3y
Location
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Computed from 5 filingsDesigns and sells activewear and athleisure clothing including leggings, sports bras, shorts, tops and unitards. Products are made from recycled materials and sold online, with programs for resale of…
Sells direct to consumers seeking sustainable, inclusive activewear and athleisure, including online shoppers buying new, gift, sale, and verified pre-loved styles.
Financial Health
HealthyHealthy · Hiring · 32% CAGR over 4y
Location
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Computed from 5 filingsOperates online education marketing marketplaces that connect prospective students with education and training providers. Provides lead generation, cost‑per‑click advertising, and enrolment support…
Serves B2B education providers and institutions worldwide, including marketing and enrolment teams seeking prospective students, lead generation and student acquisition support.
Financial Health
WeakWeak · -5% CAGR over 4y
Location
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Computed from 5 filingsProvides AI-powered software for generating social media posts, images and videos, and scheduling or automatically publishing them across platforms such as Facebook, Instagram, LinkedIn, TikTok and…
Targets social media managers, marketing teams, agencies and content creators who publish and schedule posts across Facebook, Instagram, LinkedIn, TikTok, X and other social platforms.
Financial Health
DistressedDistressed · -81% CAGR over 5y
Location
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Computed from 5 filingsProvides electronic money and payment services including multi-currency accounts, crypto‑linked IBAN accounts, digital wallets, currency exchange, crypto‑backed loans, and payment infrastructure such…
Sells to digital nomads, freelancers and crypto users, plus businesses needing multi-currency accounts, crypto-friendly IBANs, business lending and payout infrastructure. Targets both individual…
Financial Health
DistressedDistressed · -19% CAGR over 4y
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Computed from 3 filingsDevelops and operates a mobile health and weight‑loss coaching application that uses AI to provide personalised plans, intermittent fasting guidance, nutrition tracking, food scanning, and activity…
Sells directly to consumers seeking weight loss and healthier lifestyle support, including people interested in intermittent fasting, nutrition, exercise, and AI-guided coaching through a mobile app.
Financial Health
WeakWeak · -14% CAGR over 2y
Location
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Computed from 3 filingsProvides done-for-you website creation services for small businesses, including design, copywriting, domain setup and launch. Also offers e‑commerce functionality, local SEO, website management, and…
Serves small business owners, startups and established local or e-commerce businesses across sectors including professional services, beauty, trades, retail, transport, arts, wellness, events and…
Financial Health
WeakWeak · -9% CAGR over 2y
Location
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Develops a platform and API for creating real-time interactive AI video avatars. Provides tools to generate photorealistic digital agents that converse with users and integrate into applications for…
Sells to businesses and developer teams building customer support, sales, training, language tutoring and medical service experiences, including teams seeking API or no-code integration for…
Financial Health
N/AN/A
Location
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Computed from 3 filingsProvides a business spend management platform offering corporate credit cards, expense and reimbursement tracking, invoice processing, and accounts payable automation. Includes approval workflows,…
Serves SMEs and larger businesses across industries, targeting finance leaders such as CFOs, controllers, accountants and CEOs responsible for company spending, expenses and accounts payable.
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 2y
Location
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Computed from 4 filingsOperates an online platform for buying, selling and trading cryptocurrencies and other digital assets. Provides crypto custody, staking and payment services, and enables clients to deposit and…
Serves retail crypto investors and active traders, plus institutional clients such as asset managers, corporations, ETP issuers, governments, hedge funds, market makers, protocols, VC firms and…
Financial Health
WeakWeak · 0% CAGR over 3y
Location
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Computed from 5 filingsProvides managed DNS infrastructure and cloud‑based security services, including authoritative DNS, DDoS mitigation, web application firewall, bot management and API protection, helping organisations…
Serves businesses of all sizes with online operations, particularly eCommerce, financial services, healthcare, gaming and gambling, registry/registrar, telecoms, and travel organisations.
Financial Health
StableStable · -4% CAGR over 5y
Location
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Computed from 2 filingsProvides a digital finance platform offering cryptocurrency wallets, exchange services, and payment cards. Enables users and businesses to buy, hold, transfer, and spend cryptocurrencies and fiat,…
Serves retail crypto users, high-net-worth individuals, businesses needing stablecoin banking and corporate cards, and developers building stablecoin payment/card products. Targets a mix of B2C, B2B…
Financial Health
StrongStrong · Hiring · 66% CAGR over 1y
Location
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Computed from 2 filingsProvides digital multi-currency accounts that allow users to hold and transfer USD, EUR and GBP, receive payments, send international remittances, access virtual Mastercard cards, and invest in US…
Serves individual professionals, freelancers and global remote workers who earn internationally in USD, especially people with ties to Egypt, Bangladesh, Pakistan, Nigeria and similar remittance…
Financial Health
HealthyHealthy · Hiring · 199% CAGR over 1y
Location
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Computed from 5 filingsOperates an online platform where users review, rate and compare birth control methods and brands. Provides medical information, user‑submitted experiences, and tools that recommend contraceptive…
Serves consumers, primarily women and people seeking reproductive health information, comparing birth control options and sharing experiences around contraception, PCOS, endometriosis, menopause and…
Financial Health
HealthyHealthy · Hiring · 32% CAGR over 4y
Location
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Computed from 3 filingsProvides sustainability consulting, ESG assessment and certification services for luxury brands and retailers. Offers the Butterfly Mark certification, digital traceability tools, carbon…
Serves B2B clients in the global luxury sector, including brands, retailers and suppliers across beauty, fashion, jewellery, premium drinks, interiors and travel, particularly teams responsible for…
Financial Health
DistressedDistressed · 0% CAGR over 2y
Location
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Computed from 3 filingsProvides data‑driven email marketing and audience acquisition services. Enables advertisers to target opt‑in consumer email audiences, run acquisition campaigns, grow subscriber lists, and deliver…
Serves B2C brands, advertisers and marketing teams seeking to reach UK consumers, grow email subscribers and acquire new customers through CRM-led audience targeting and paid-media-style campaigns.
Financial Health
WeakWeak · Hiring · 9% CAGR over 2y
Location
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Computed from 3 filingsProvides a print‑on‑demand platform that integrates with e‑commerce stores to produce and ship custom products such as apparel, posters, mugs and phone cases. Routes orders to a global network of…
Serves ecommerce sellers, creators and businesses selling customised merchandise through Shopify, Etsy, Amazon, TikTok Shop and similar channels, plus print producers seeking industry software. Also…
Financial Health
StableStable · 3% CAGR over 2y
Location
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Computed from 3 filingsProduces and delivers chef-prepared ready meals through a meal prep subscription service. Customers select dishes from weekly menus, which are cooked, portioned, packaged and delivered for convenient…
Serves UK consumers seeking convenient healthy eating, including busy professionals, fitness-focused customers, athletes and people following balanced, low-carb or vegan plans; also addresses…
Financial Health
StableStable · Hiring · 45% CAGR over 2y
Location
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Computed from 5 filingsOperates an online platform that aggregates and publishes discounted travel deals, including flights, hotels, package holidays and cruises. Provides search tools and travel content highlighting…
Serves consumers planning budget leisure travel, including families, solo travellers and holidaymakers seeking flights, hotels, package holidays, cruises, city breaks, staycations and last-minute…
Financial Health
StrongStrong · Growing, Hiring · 43% CAGR over 4y
Location
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Computed from 5 filingsOperates a platform that connects companies and their employees with charity volunteering opportunities. Organises group and remote volunteering experiences, matches teams with nonprofits, and…
Sells to businesses, especially HR, people, culture and CSR teams seeking employee volunteering options for their staff, including group and remote teams across the UK and US.
Financial Health
WeakWeak · -8% CAGR over 4y
Location
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Computed from 5 filingsDevelops and operates an online educational platform for children focused on reading and writing skills. Provides interactive lessons, creative writing activities, worksheets, and teaching resources,…
Serves parents, homeschool families and primary/elementary teachers seeking reading and writing support for children, with materials for classrooms, summer learning and home use.
Financial Health
StableStable · Hiring · 26% CAGR over 4y
Location
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Computed from 5 filingsDevelops software platforms for delivering ad‑supported streaming television services, including FAST and AVOD channels. Provides server-side ad insertion, consent management, scheduling and playout…
Serves broadcasters, content owners and TV platform operators offering ad-supported streaming, catch-up or subscription services on free-to-air TV and mobile platforms.
Financial Health
StrongStrong · Hiring · 28% CAGR over 4y
Location
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Computed from 5 filingsOrganises and sells small‑group travel tours for young adults, offering multi‑day itineraries across destinations in Asia, Europe, Oceania and the Americas. Packages include guided activities,…
Serves B2C travellers aged 18–40, including solo travellers, friends and working-holiday seekers, who want small-group adventure, culture and beach trips across international destinations.
Financial Health
HealthyHealthy · Hiring · 2% CAGR over 4y
Location
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Computed from 4 filingsProvides software platform and APIs for calculating, tracking and reporting carbon emissions from logistics, supply chains and business spending. Enables organisations to generate emissions reports,…
Sells to B2B logistics, spend management and procurement platforms, as well as enterprise shippers, serving sustainability, compliance and operations buyers focused on emissions reporting and…
Financial Health
HealthyHealthy · Hiring · 9% CAGR over 3y
Location
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Computed from 5 filingsDevelops an AI-powered platform providing environmental, social and governance (ESG) data, analytics and risk intelligence for institutional investors. Offers datasets, scoring methodologies,…
Serves institutional investors and financial services firms, including asset managers, asset owners, hedge funds, investment banks, private markets teams and private wealth advisers.
Financial Health
StableStable
Location
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Computed from 5 filingsProvides an online platform for building and hosting websites, offering templates, AI website builder tools, domain registration, e‑commerce features, scheduling, invoicing, email marketing, and…
Serves small businesses, freelancers, agencies, creators, nonprofits and individuals seeking an online presence, with sector focus on creative and professional services, education, beauty, fitness,…
Financial Health
StableStable
Location
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Computed from 5 filingsOrganises and sells guided group travel tours across multiple continents. Provides packaged itineraries that include transport, accommodation, tour leaders, and scheduled sightseeing experiences,…
Sells to consumers seeking affordable guided group holidays, including solo travellers and other holidaymakers wanting hassle-free, multi-country trips with planned itineraries, transport and…
Financial Health
WeakWeak
Location
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Develops cloud file streaming software that enables users to access, edit and collaborate on large files directly from cloud storage without downloading or syncing, supporting real-time workflows for…
Serves B2B teams and enterprises managing large-file workflows, especially media and entertainment studios, marketing and advertising teams, and architecture, engineering and construction firms with…
Financial Health
N/AN/A
Location
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Computed from 5 filingsMarkets and sells connected fitness equipment and accessories, including smart indoor bikes, bike trainers, GPS cycling computers, heart rate monitors, power meter pedals and training devices for…
Sells primarily to consumers, including cyclists, runners and endurance athletes of all levels, with products aimed at home training, indoor cycling and performance tracking buyers.
Financial Health
DistressedDistressed · -68% CAGR over 4y
Location
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Computed from 5 filingsProvides curriculum‑aligned immersive audio storytelling experiences for primary schools, including a library of interactive audio adventures with movement‑based activities, alongside teaching…
Serves primary schools, nurseries and school trusts, selling to teachers and senior leaders responsible for Nursery to Year 6 pupils, including settings supporting EAL and SEND learners.
Financial Health
WeakWeak · -6% CAGR over 4y
Location
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Computed from 5 filingsProvides carbon accounting software, emissions analysis, and sustainability consulting to help organisations measure product and corporate carbon footprints, set reduction targets, develop…
Serves B2B customers, from consumer brands and retailers to manufacturers, logistics, insurers and telecoms, targeting sustainability, compliance and leadership teams responsible for net zero and…
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 4y
Location
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Key facts
About 10% of the trading cohort reports turnover above £5M (12 of 112 firms) — the rest sits below that revenue band.
8% of the cohort was incorporated since 2022 (10 firms), so a sizeable share is in its first few filing cycles.
59.8% of the cohort also show a content-management layer, and 52.7% also show an edge, traffic-management or security layer.
Analytics and tag-management layers appear with 44.6% and 41.1% of the cohort respectively, pointing to measurement-heavy customer acquisition rather than static web publishing alone.
SaaS is the largest tagged sector at 17.0%, ahead of healthcare providers, marketing agencies and not-for-profits at 8.9% each.
FCA-authorised firms making sustainability-related claims must follow the anti-greenwashing rule, and in-scope asset managers face naming, marketing and disclosure rules.
The UK impact investing market was estimated at £76.8 billion in assets under management at end-2023, with impact investing accounting for just under 1% of the whole UK investing market.
What else do Impact users run?
Share of the 112 Impact-running UK companies where each technology was also detected. As of June 2026.
Who runs Impact 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.
8
Median headcount
£656.8K
Median UK turnover
10.7%
Above £5M turnover
10
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 166 companies, alongside financials and websites, in one Excel + CSV file.
How Impact 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.
Impact is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
Impact elsewhere
Frequently asked questions
How many companies in London use Impact?
How is Impact usage detected?
What kinds of companies use Impact in London?
What do Impact users in London also run?
How fresh is this data?
Can I get contact details for these companies?
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