Companies Using Google Optimize in London: 69 Active Firms (2026)
London companies running website testing technology use browser-based experiments to improve conversion, content and customer journeys.
Client-side experimentation sits between marketing, product and web engineering rather than in a single software buying centre. London users typically have enough traffic, analytics discipline and internal ownership to justify A/B testing, audience segmentation and landing-page iteration, but not always a dedicated experimentation function. Buying signals are therefore practical: paid acquisition spend that needs conversion scrutiny, ecommerce or lead-generation journeys with measurable drop-off, and a site team able to ship tag changes without a long release cycle. The technology tends to suit mid-market organisations with commercially accountable digital channels, where testing budgets are tied to revenue operations, customer acquisition or self-service adoption rather than brand activity alone.
Read more
London adoption is narrow but visible, with 69 trading companies running this website testing stack on public sites. Reported headcount totals 934, which points to a cohort weighted towards smaller operating teams rather than large enterprise web estates. The commercial profile is mixed: 10 firms report turnover above £5M, while median turnover sits at £615k. That spread fits the buyer pattern for experimentation tools, where some users have formal revenue or product-growth functions and others appear to be founder-led or agency-supported businesses using tests to improve conversion on a limited set of journeys.
Implementation risk sits around tags, consent and attribution rather than sector licensing. Tag-management tooling appears on 79.7% of these sites, CDN or edge-security tooling on 62.3%, and analytics tooling on 59.4%, so procurement usually involves marketing operations and web engineering as well as privacy review. GDPR and ICO guidance matter where experiments set identifiers, profile audiences or alter measurement for consented visitors. For public-facing sites, the main governance questions are practical ones: who can launch tests, how changes are quality-assured, and whether experiment variants create claims that legal or compliance teams would not approve elsewhere.
Adoption appears to be shifting from standalone browser tests towards broader optimisation workflows that combine analytics, content operations and personalisation. Smaller London users may keep lightweight experimentation in place where it is cheap to operate and tied to paid acquisition, but more complex sites tend to rationalise tags when privacy reviews, page-speed work or platform migrations expose duplicated scripts. The cohort therefore looks less like a discrete software market than an installed layer within digital operations. Future usage is likely to depend on whether non-specialist teams can keep testing governance simple while still satisfying consent, security and brand-control checks.
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 Google Optimize rises with company size across the trading companies in this cohort. 0% of the 532,485 companies with under 10 employees run Google Optimize (53 detected). 0.1% of the 15,364 companies with 10–50 employees run Google Optimize (13 detected). 0.2% of the 1,763 companies with over 50 employees run Google Optimize (4 detected). That is a 0.2% gap between the over 50 employees and under 10 employees bands.
69
Active firms
2026
10
Above £5M turnover
Trading firms
5
Median headcount
Filed accounts
170
Verified directors
Across this cohort
Top companies using Google Optimize 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.
Designs and sells protective cases and accessories for smartphones, tablets, and laptops, including impact‑protection phone cases, device covers, and screen protectors compatible with Apple, Samsung,…
Sells primarily to consumers who own Apple, Samsung, Google and Motorola phones, plus MacBook and iPad users shopping online for device cases and screen protection.
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsDevelops and provides web analytics software that tracks website traffic and user activity in real time. Platform offers dashboards, visitor insights, and privacy‑focused data collection as an…
Serves businesses, website owners, founders, and marketing teams that need straightforward, privacy-conscious website analytics, particularly those seeking an alternative to Google Analytics.
Financial Health
WeakWeak · -22% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsOperates an online retail store selling men’s and women’s clothing, including chinos, trousers, shirts, jackets, dresses and accessories. Offers branded apparel collections and seasonal styles…
Sells directly to UK retail consumers shopping online for men’s and women’s casual, office and everyday clothing, especially chinos, khakis, trousers, tops, outerwear and accessories.
Financial Health
StrongStrong · Hiring · 15% CAGR over 5y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsProvides 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
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 4 filingsDevelops and sells nutritionist-designed vitamins and dietary supplements, including formulas for hair, skin, digestion, sleep and hormone support, alongside collagen powders, protein products,…
Sells directly to consumers seeking vitamins, supplements and wellness products, particularly adults interested in hair, skin, gut health, sleep, energy, hormones, sexual health and general…
Financial Health
StableStable · 0% CAGR over 3y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Designs and retails women's clothing, footwear and accessories through an online store. Product range includes dresses, knitwear, denim, loungewear, jackets, shoes, bags, jewellery and seasonal…
Serves consumer shoppers, primarily women, buying casual clothing, denim, knitwear, shoes, accessories, nightwear and lifestyle gifts through an ecommerce fashion site.
Financial Health
N/AN/A
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsDevelops real-time data analytics and customer engagement software. Provides platforms for customer journey orchestration, AI-driven optimisation, and omnichannel messaging including mobile push,…
Sells to enterprise marketing, customer experience and digital engagement teams, mainly in financial services, telecoms, retail and eCommerce, and travel and aviation.
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsOperates an online platform for residential property transactions, enabling users to search for homes for sale or rent and access related services including estate agent listings, mortgage brokerage,…
Serves UK residential property buyers, sellers, renters and homeowners, including people needing mortgages, conveyancing and estate-agent support during a home move.
Financial Health
HealthyHealthy · Hiring · 42% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides cloud-based social media management software that allows businesses and agencies to schedule and publish posts, manage content, monitor messages and comments, collaborate in teams, and…
Serves marketing teams and social media managers at agencies, small businesses, franchises, enterprises, higher education institutions and real estate firms managing client or brand social channels.
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 5y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsDesigns and sells quick‑drying towels and textile products for beach, bath and travel use, including beach, hair and bath towels, ponchos, blankets and dog towels, along with bags and small bath and…
Sells primarily to consumers in the US, including travellers, beachgoers, families, fitness users, pet owners and gift buyers, with a wholesale route for retail or corporate buyers.
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
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
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 4 filingsOperates an online delicatessen supplying Italian food and drink, including cured meats, cheeses, fresh and dried pasta, sauces, olive oil, bakery items, hampers, and wine. Sells to retail customers…
Serves UK retail customers buying Italian food and drink online, including gift and hamper buyers, plus wholesale trade accounts for deli-style food products.
Financial Health
WeakWeak · -21% CAGR over 3y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsDevelops and operates a mobile health application providing personalised fitness, nutrition, and wellness programmes for women during fertility, pregnancy, and postpartum. The platform offers…
Serves consumers, primarily women worldwide navigating fertility, pregnancy and postpartum, plus new parents seeking health, nutrition, fitness, baby development and wellness guidance.
Financial Health
DistressedDistressed · -30% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsDevelops a mobile app that provides digital relationship and sex therapy programmes for couples. The platform offers assessments, guided courses, journaling tools, educational articles and exercises…
Serves consumers, particularly couples and individuals seeking app-based support for libido challenges, desire differences, sex therapy topics, relationship stress and intimacy.
Financial Health
HealthyHealthy · -11% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides an online learning platform offering browser-based coding labs, virtual development environments, and auto‑graded assessments for teaching AI, data science, cybersecurity, and software…
Sells to B2B and education buyers delivering technical training, including enterprises upskilling workforces, teams training data, AI, cybersecurity and software skills, plus colleges, universities,…
Financial Health
HealthyHealthy · Hiring · 19% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsProvides a financial platform for businesses to issue corporate cards, send domestic and international payments, pay bills and vendors, and manage expenses with spend controls, approvals, and…
Serves active businesses and finance teams operating across Latin America, North America, the UK and Europe, especially companies with international vendors, distributed teams, and cross-border…
Financial Health
DistressedDistressed · -3% CAGR over 2y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides personal insurance products including car, home, and travel cover. Offers online quotes, policy purchase and management, and claims handling through digital accounts and support services for…
Serves individual consumers seeking personal car, home and travel insurance, including drivers, homeowners, travellers and existing policyholders managing claims, renewals and policy changes online.
Financial Health
StableStable
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsOperates an online store offering curated wines selected from Michelin‑star restaurant wine lists, alongside kitchenware such as knife sets and cooking tools, and provides recipes and video guides…
Targets B2C food and wine enthusiasts, home cooks and gift buyers seeking chef-led dining experiences, curated wines and premium kitchenware for home use.
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 4 filingsProvides online fundraising and donation software for charities, including branded donation pages, fundraising campaign pages, event registration and ticketing, and tools for managing mass…
Serves charities and nonprofit fundraising teams, including organisations running digital donation campaigns, appeal pages, in-memory giving and mass participation events such as major UK challenge…
Financial Health
StableStable · 2% CAGR over 3y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Provides an on-demand pay platform that allows employees to access earned wages before payday via a mobile app. Integrates with employers and advances funds to workers, charging a per‑transfer fee…
Sells to employers with payroll workforces that want employee financial wellbeing and retention benefits, and serves their employees as end users of earned-wage access via an app.
Financial Health
N/AN/A
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides a digital employee assistance programme (EAP) platform offering same-day counselling sessions, 24/7 helpline support, mental health training for managers, and self‑guided wellbeing resources…
Serves businesses and organisations seeking employee wellbeing support, including tech startups and scale-ups, digital agencies and studios, nurseries, schools, universities, charities and…
Financial Health
StrongStrong · Hiring · 14% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsOperates a subscription-based online learning platform providing video classes, live workshops, and guided projects in photography, lighting, 3D CGI, and visual arts. Offers structured courses,…
Serves aspiring and professional photographers, visual artists, CGI artists and art learners, plus education or training organisations needing multi-user access to creative skills courses.
Financial Health
StrongStrong
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsProvides managed hosting platforms for WordPress websites and applications, including site management, security, performance optimisation, developer tools, and infrastructure for e‑commerce, media,…
Serves B2B customers including enterprise digital teams, creative agencies, developers, small businesses, ecommerce retailers and media/newsroom organisations using WordPress websites and…
Financial Health
StrongStrong · Profitable, Growing · 4% CAGR over 2y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides cloud-based survey and research software for creating, distributing and analysing online surveys. Platform includes tools for market research, customer and employee experience measurement,…
Serves B2B and public-sector teams running research, customer experience and employee experience programmes, including market research, CX and HR teams across gaming, automotive, education,…
Financial Health
StrongStrong · Hiring · 24% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 4 filingsOperates an online prize competition platform selling entry tickets for draws to win vehicles, carp fishing equipment, technology products and cash prizes, with winners selected in scheduled draws…
Targets UK consumers, particularly carp fishing enthusiasts and anglers, who enter online prize competitions for fishing equipment, vehicles, tech and cash prizes.
Financial Health
HealthyHealthy
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsDesigns and sells women’s clothing, footwear and accessories through an online retail platform. Product ranges include dresses, knitwear, denim, loungewear, shoes and items such as bags, scarves,…
Serves consumer shoppers, primarily women, buying casual fashion, footwear, accessories, gifts and lifestyle items online, including denim, knitwear, loungewear, workwear and seasonal collections.
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 3y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides an online platform for photographers to store, manage and share photos and videos, build portfolio websites, create client galleries, and sell prints or digital downloads through integrated…
Serves photographers and visual creators, including professional photographers and small photography businesses that need paid plans to create, store, share and grow their visual work.
Financial Health
StableStable · -8% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsOperates an online retail store selling luggage and travel bags, including suitcases, cabin bags, backpacks, duffle bags, briefcases, and travel accessories. Stocks products from brands such as…
Serves consumers shopping for leisure, business and family travel, including airline-specific cabin bag buyers, plus business customers seeking B2B purchasing options.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides a mobile app and debit card enabling users to buy, hold and spend a digital currency backed by physical gold. Converts deposits into vaulted gold and supports payments, transfers and ATM…
Serves individual consumers and savers who want an alternative to bank deposits, including people seeking protection from currency devaluation and worldwide access to their funds.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsSources, packs and sells organic coconut-based food products for retail and wholesale. Product range includes coconut oil, milk, cream, sugar, flour, coconut water, powders, spreads and plant‑based…
Serves UK retail shoppers seeking organic coconut and plant-based pantry products, including vegan, keto, baking and cooking buyers, as well as wholesale/trade customers such as stockists and food…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 2y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Provides health and life insurance policies, including private medical insurance, term and whole-of-life cover, serious illness cover and income protection. Also operates a member rewards programme…
Serves UK consumers and families buying health, life and protection cover, alongside employers seeking business health insurance and advisers/providers involved in insurance distribution and member…
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsDevelops and 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
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 4 filingsProvides AI-powered messaging software for automotive dealerships. The platform centralises customer conversations across WhatsApp, SMS and other channels, automates responses, manages leads, runs…
Serves B2B automotive businesses, including car dealerships, garages, leasing companies and manufacturers, with a focus on sales and aftersales teams in the UK, Ireland and beyond.
Financial Health
DistressedDistressed · -75% CAGR over 3y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsProvides auto-enrolment and workplace pension services for employers, including scheme setup and ongoing compliance support. Operates a multi-employer master trust pension scheme and offers online…
Serves employers, especially new employers and small businesses, plus accountants and payroll providers managing workplace pension auto-enrolment. Also supports employees enrolled as pension members.
Financial Health
HealthyHealthy · Profitable · 4% CAGR over 2y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Develops AI-powered software for ecommerce product discovery, including site search, conversational shopping assistants, guided selling tools, product configurators, and recommendation systems. Also…
Serves ecommerce brands, retailers and B2B distributors selling complex product ranges, including housewares, appliances, consumer electronics, sports and outdoor gear, tools, health and beauty,…
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Operates an online platform for tennis venues and coaches to manage court bookings, memberships and coaching programmes, and enables players to find, book and pay for tennis courts, lessons, leagues…
Serves UK tennis and padel players, parents of junior players, event spectators, and B2B audiences including registered venues and accredited coaches.
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Provides an online platform for tennis venues and coaches to manage court bookings, memberships and coaching programmes, and enables players to find, book and pay for tennis courts, lessons and local…
Serves a mix of UK consumers and sports organisations: tennis and padel players, parents of junior players, competition entrants, event ticket buyers, plus registered venues and accredited coaches.
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsProvides remote work and customer communication tools, including team collaboration software, virtual receptionist and call answering services, online appointment scheduling, and meeting space…
Serves businesses and distributed teams adopting remote or flexible work, including customer-facing brands, legal practices, service providers and organisations managing bookings, reception and…
Financial Health
WeakWeak · -25% CAGR over 2y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 4 filingsOperates an online platform providing information and tools for ketogenic diets, including guides, articles, recipes, meal ideas, diet calculators, and food finders. Offers SMS-based and AI-supported…
Targets consumers following or considering a ketogenic diet, including beginners and experienced keto dieters, plus some health professionals interested in keto education or certification.
Financial Health
StrongStrong
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsProvides a mobile app that converts deposited pounds into allocated physical gold stored in secure vaults. Users can hold gold‑denominated balances, transfer funds, spend via a debit Mastercard, and…
Targets retail consumers, depositors and savers who want an alternative to bank cash balances, with app-based access to savings and payments via a debit card.
Financial Health
StrongStrong · Hiring · 23% CAGR over 5y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsOperates an online prize competition platform offering draws to win cars and other vehicles. Participants enter through paid online tickets or free postal entries, with winners selected in scheduled…
Targets consumers interested in online car prize competitions, including entrants using paid website entry or postal entry routes, with engagement around live winner announcements on Facebook.
Financial Health
StableStable · -51% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsProvides AI-powered tools for planning and designing marketing websites, including generators for sitemaps, wireframes and style guides. Offers libraries of UI components and design assets for…
Serves web designers, developers and digital agencies building marketing websites, including Webflow, Figma and React users at businesses and brands globally.
Financial Health
StableStable · -13% CAGR over 2y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 2 filingsDevelops and provides 3D CAD software for creating manufacturing‑ready 3D models. The platform supports parametric and direct modeling, design reviews, and collaboration across devices, with tools…
Serves B2B product design, manufacturing and prototyping teams, from individual engineers and industrial designers to enterprise teams, especially in automotive, consumer electronics, home appliances…
Financial Health
StableStable · 0% CAGR over 1y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 2 filingsOperates co-living residential buildings offering furnished studio apartments with shared amenities such as coworking areas, gyms and communal spaces. Provides short- and long-term stays with…
Targets individual renters and short-stay residents seeking flexible studio accommodation, shared living spaces, co-working facilities and community events, including people staying for a few nights…
Financial Health
DistressedDistressed · -64% CAGR over 1y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 3 filingsProvides a tenancy deposit alternative for the rental market, allowing tenants to pay a non‑refundable fee instead of a traditional cash deposit while offering landlords insurance‑backed cover and…
Serves letting agents, build-to-rent operators, landlords and tenants in the UK private rental market, with agent partners offering it to landlords and renters.
Financial Health
HealthyHealthy · 3% CAGR over 2y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Operates an environmental disclosure platform that collects and publishes data from companies, cities, and regions on climate, water, and forest impacts. Provides reporting frameworks, datasets,…
Serves companies, investors, financial institutions, corporate buyers, governments, policymakers, cities, states and regions with environmental disclosure and data needs.
Financial Health
N/AN/A
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsDevelops software for waste management and recycling operations, including ERP‑integrated systems to track materials, manage logistics, contracts, pricing, reporting, and regulatory compliance.…
Serves B2B waste and recycling organisations, including waste brokers, hazardous waste operators, metals firms, logistics and haulage providers, and recycling or reprocessing businesses seeking…
Financial Health
StableStable · Hiring · 3% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsOperates an art gallery and online store selling limited edition prints, artworks and editions by contemporary artists. Organises exhibitions and new releases, and provides bespoke framing services…
Sells to consumers buying limited-edition prints, original artworks and framing, including individual art buyers, collectors and gift purchasers seeking contemporary pieces for the home.
Financial Health
StableStable · -18% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsOrganises sustainability and net‑zero focused conferences, exhibitions and networking events. Brings together businesses, investors, policymakers and technology providers to discuss decarbonisation,…
Serves business leaders, investors, policymakers and sustainability innovators across the UK green economy, including exhibitors, sponsors and attendees from sectors such as clean energy,…
Financial Health
StableStable · Hiring · 12% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
Financial sub-scores
Computed from 5 filingsOperates an online platform providing free mentoring and business support for small organisations. Connects entrepreneurs with volunteer experts for one‑to‑one mentoring, masterclasses, peer learning…
Serves small organisations including start-ups, sole traders, registered businesses, charities, social enterprises and schools, alongside corporate, government and community partners seeking small…
Financial Health
StrongStrong · Hiring · 68% CAGR over 4y
Location
Buy this list of 138 companies
The complete list in one Excel/CSV file — company details, websites and key data. Yours to download and use.
88 more companies and their verified directors are in the file
You’re seeing the top 50. Buy the list to get all 138 with directors, websites and financials.
Key facts
About 14% of the trading cohort reports turnover above £5M (10 of 69 firms) — the rest sits below that revenue band.
15% of the cohort was incorporated since 2022 (11 firms), so a sizeable share is in its first few filing cycles.
Among London users, 79.7% also run a tag-management layer, while 59.4% show a separate analytics layer.
A traffic-proxy or web-performance layer appears alongside the testing script at 62.3%, and bot-checking or form-protection tooling appears at 43.5%.
SaaS is the most common tagged segment at 21.7%, followed by real estate and property at 11.6%; tags overlap, so this is not a strict sector split.
Financial status is mixed: 24.6% are stable, 13.0% are weak, 13.0% are distressed and 5.8% have insufficient history.
The cohort includes 170 verified contacts, which gives researchers a named route into many of the companies running this testing technology.
What else do Google Optimize users run?
Share of the 69 Google Optimize-running UK companies where each technology was also detected. As of June 2026.
Who runs Google Optimize 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.
5
Median headcount
£615.1K
Median UK turnover
14.5%
Above £5M turnover
11
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 138 companies, alongside financials and websites, in one Excel + CSV file.
How Google Optimize 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.
Google Optimize is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
Google Optimize elsewhere
Frequently asked questions
How many companies in London use Google Optimize?
How is Google Optimize usage detected?
What kinds of companies use Google Optimize in London?
What do Google Optimize users in London also run?
How fresh is this data?
Can I get contact details for these companies?
Buy all 138 companies as a spreadsheet.
One Excel/CSV file with company details, websites and key data — yours to download and use.