Companies Using Sanity in London: 201 Active Firms (2026)
London companies running a headless CMS use structured content platforms to manage public website content across all boroughs.
Adoption usually sits with digital, product-marketing and engineering teams rather than solely with web editors. The platform acts as a structured content back office: editors manage reusable copy, media and localisation fields, while developers deliver the front end through APIs. In this London cohort, its use tends to signal a business with some in-house technical capability, external implementation support, or both. The buying case is rarely just publishing; it is more often tied to product-led marketing, campaign sites, editorial operations, or content reuse across web and application surfaces.
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London has 201 companies running this headless CMS on public websites, making the local adoption picture relatively concentrated but not yet a mass-market pattern. Companies with reported staffing account for 2,714 employees in total. The cohort leans towards revenue-generating operators rather than purely experimental sites, with 19 companies above £5M in turnover and 25 incorporated since 2022. That mix suggests a stack used by both established digital teams and newer ventures that have built content architecture early rather than treating it as a later website decision.
Procurement tends to sit between marketing technology and software engineering, so buyers usually care about content ownership, export paths, access controls and how editorial permissions map to internal roles. Privacy exposure depends less on the CMS itself than on the wider website stack around it: analytics tags, forms, embedded media and personalisation can bring GDPR and ICO considerations into what otherwise looks like a publishing decision. For regulated buyers, auditability and change control matter because content changes can affect financial promotions, recruitment claims, customer support material or product descriptions.
Adoption appears likely to deepen where marketing and product teams share responsibility for content, rather than where websites remain brochure-like and centrally edited. The pattern tends to favour organisations with developers close to the commercial team, because the value comes from modelling content centrally and reusing it across campaign, editorial and product surfaces. Some smaller firms may migrate towards bundled website platforms if maintenance costs outweigh flexibility. Larger digital teams are more likely to keep headless architectures, but with closer scrutiny of vendor lock-in, governance and implementation overhead.
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 Sanity rises with company size across the trading companies in this cohort. 0% of the 532,485 companies with under 10 employees run Sanity (130 detected). 0.4% of the 15,364 companies with 10–50 employees run Sanity (59 detected). 0.5% of the 1,763 companies with over 50 employees run Sanity (8 detected). That is a 0.5% gap between the over 50 employees and under 10 employees bands.
201
Active firms
2026
19
Above £5M turnover
Trading firms
7
Median headcount
Filed accounts
501
Verified directors
Across this cohort
Top companies using Sanity 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.
Explores, produces and markets oil and natural gas, and supplies gas to energy markets. Develops renewable energy projects and low‑carbon solutions, including offshore wind and carbon capture,…
Serves B2B energy buyers including utilities, gas suppliers, grid operators and large industrial customers, particularly in European power, heating and energy markets, alongside partners in…
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Computed from 5 filingsDevelops and provides Redis, an in-memory database and data platform used for caching, real-time data processing, search, and messaging. Offers open-source software, enterprise editions, managed…
Serves developers, engineering teams and enterprises building cloud, on‑prem or hybrid applications, especially AI, chatbot and agent products, across AWS, Azure and Google Cloud ecosystems.
Financial Health
StableStable · -58% CAGR over 4y
Location
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Explores for and produces oil and natural gas, develops offshore energy projects, and supplies gas to energy markets. Also invests in renewable power such as offshore wind and develops low‑carbon…
Serves wholesale energy buyers, utilities, industrial customers and public-sector stakeholders across Europe and international markets, with investor and shareholder audiences also addressed.
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Develops and operates flexible workspaces and serviced offices. Partners with building owners to design and manage office buildings and provides membership-based workspace, private offices and shared…
Sells to businesses of all sizes seeking flexible workspace, particularly modern companies and their employees, and also serves building owners through partnership arrangements. Focuses on occupiers…
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Develops and operates flexible workspace and serviced office facilities. Partners with building owners to design and manage office environments and provides membership-based workspaces, private…
Sells to businesses of all sizes seeking flexible workspace, and to commercial building owners via partnership arrangements. Serves modern companies and their employees through a consumer-facing…
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Computed from 4 filingsDevelops cloud-based translation and localization management software that helps organizations manage multilingual content. The platform provides AI and machine translation, workflow automation, and…
Sells to enterprises, language service providers, nonprofits, and freelancers managing multilingual content, with buyers including localization managers, developers, marketers, product managers, and…
Financial Health
StrongStrong · Hiring · 157% CAGR over 3y
Location
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Computed from 5 filingsDevelops open‑source serverless content management software, including a headless CMS, publishing workflow tools, page and form builders, and digital asset management. The platform runs on AWS…
Serves enterprise businesses with developer and digital teams needing self-hosted, AWS-based content platforms, particularly organisations managing content at scale with privacy, security and…
Financial Health
WeakWeak · Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsOperates an online platform for the art market, providing artwork listings, online auctions, gallery and auction house directories, a database of auction price results, and news and analysis on…
Serves art collectors, galleries, auction houses and art market professionals worldwide, including buyers, sellers and researchers in fine art, design and decorative art markets.
Financial Health
StrongStrong · Hiring · 36% CAGR over 4y
Location
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Computed from 3 filingsDevelops a digital analytics platform that collects and analyzes user behaviour data from websites and apps, providing product analytics, session replay, heatmaps, A/B testing, and experimentation…
Serves product, data, engineering, marketing and executive teams at startups and enterprises, including financial services, B2B, media, healthcare and ecommerce organisations.
Financial Health
StrongStrong · Hiring · 32% CAGR over 2y
Location
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Computed from 5 filingsProvides an online study platform offering revision notes, past exam papers, topic‑based exam questions, flashcards, and practice tests for GCSE, IGCSE and A Level subjects including biology,…
Serves secondary school students and teachers preparing for GCSE, IGCSE and A Level exams, across subjects and UK exam boards including AQA, Edexcel, OCR and WJEC.
Financial Health
StrongStrong · Hiring · 72% CAGR over 4y
Location
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Computed from 5 filingsProvides marketing data management and activation software that connects data from advertising and analytics platforms, stores and transforms datasets, analyzes marketing performance, and enables…
Serves marketing, data and development teams at enterprises, SMBs and agencies, with emphasis on ecommerce/DTC, travel and hospitality, retail/FMCG, and media/publishing brands.
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
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Computed from 5 filingsOperates a network of dental practices and orthodontic clinics providing private and NHS dentistry, including routine check-ups, hygiene services, orthodontics, dental implants, cosmetic dentistry,…
Serves individual patients and families seeking private, NHS, specialist and orthodontic dental care through local practices across the UK, Ireland and Benelux.
Financial Health
HealthyHealthy · Hiring · 50% CAGR over 4y
Location
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Computed from 3 filingsOperates a digital media platform covering human resources and workplace technology, publishing news, analysis, interviews, podcasts, and research. Organises HR industry events, webinars, and…
Serves HR leaders, people and culture executives, talent acquisition, L&D and employee experience professionals globally, plus HR technology vendors and partners seeking to reach this audience.
Financial Health
StableStable · Hiring · 14% CAGR over 2y
Location
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Provides managed media services for broadcasters and content owners, including live signal delivery, channel playout, content preparation, video‑on‑demand distribution, OTT platform services, and…
Serves broadcasters, TV networks, media brands, publishers and rights-holders, including public service and commercial broadcasters, with audiences across live, linear, on-demand and OTT channels.
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Computed from 5 filingsDevelops e‑commerce software for retailers that enriches product data and provides intent‑based site search, navigation, product page optimisation and SEO tools to help customers discover and…
Serves B2B retail organisations, especially online and omnichannel retailers, targeting ecommerce, digital, product, site optimisation and SEO leaders responsible for improving shopping journeys and…
Financial Health
StableStable · -65% CAGR over 4y
Location
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Computed from 5 filingsProvides international payment services and foreign exchange solutions for businesses and individuals, including multi‑currency transfers, FX risk management, forward contracts, and online payment…
Serves businesses with international currency exposure, including firms making overseas supplier or client payments and platforms needing embedded FX payments, alongside personal clients with…
Financial Health
WeakWeak · Hiring · 4% CAGR over 4y
Location
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Computed from 3 filingsProvides workplace auto‑enrolment pension schemes for employers and employees, including pension accounts, contribution management, transfers from existing pensions, and investment options, delivered…
Serves UK businesses with workplace pension needs, especially payroll, HR and people operations teams, alongside individual savers and advisers managing pension arrangements.
Financial Health
StrongStrong
Location
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Computed from 4 filingsProvides software and outsourced services for private market fund administration. Platform supports investor onboarding, AML/KYC, CRM, registry management, capital calls and distributions, fund…
Serves B2B private market fund managers of all sizes, including real estate, private credit, private equity and venture capital firms, targeting finance, investor relations, compliance and executive…
Financial Health
HealthyHealthy · 0% CAGR over 3y
Location
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Computed from 2 filingsProvides payment processing and commerce technology, offering integrated payment platforms, APIs, and cross-border payment capabilities that enable businesses to accept, process and manage electronic…
Sells to businesses needing cross-border payment capabilities, particularly merchants and commerce organisations operating in the UK and internationally. Targets B2B buyers seeking payment…
Financial Health
StrongStrong · Hiring · 324% CAGR over 1y
Location
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Computed from 3 filingsDevelops enterprise software for sustainability management, enabling companies to measure carbon emissions and environmental impact, collect and standardise operational data, generate ESG and…
Sells to enterprise sustainability and ESG teams at large corporates, including Fortune 500 companies, major banks and global private equity firms with complex reporting obligations.
Financial Health
StrongStrong · Hiring · 224% CAGR over 2y
Location
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Computed from 5 filingsProvides an enterprise software platform for search engine and AI search optimisation, offering tools for keyword research, content generation, site health monitoring, analytics integration, and…
Serves enterprise marketing, content, eCommerce, digital product and web teams, particularly in finance, healthcare, retail, technology, and travel and hospitality.
Financial Health
StrongStrong · Hiring · 23% CAGR over 5y
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 5 filingsDevelops an AI‑powered cybersecurity human risk management platform providing security awareness training, phishing simulations, and user behaviour analytics. Software helps organisations assess…
Sells to B2B organisations with cybersecurity programmes, targeting CISOs, security awareness leaders, GRC teams and learning and development teams responsible for employee cyber risk, training,…
Financial Health
StrongStrong · Growing, Hiring · 35% CAGR over 5y
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 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 3 filingsDevelops cybersecurity software for data and identity security. Provides tools for privileged access management, identity governance, data discovery and classification, data loss prevention, and…
Sells to businesses and public sector organisations needing identity, data security and compliance tools, including IT and security teams, MSPs, and smaller organisations with up to 150 employees via…
Financial Health
StableStable · Hiring · 12% CAGR over 2y
Location
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Computed from 5 filingsOperates a music publishing business representing songwriters and musical works. Manages rights, licensing and royalty administration, organises songwriting collaborations, and places music in film,…
Serves songwriters, artists and music publishing partners globally, plus international agencies and production companies seeking music for entertainment and media projects.
Financial Health
DistressedDistressed · -71% CAGR over 4y
Location
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Explores, produces and markets oil and natural gas, and develops energy projects including offshore wind, carbon capture and storage, and other low‑carbon solutions. Supplies natural gas and…
Serves B2B energy markets, including utilities, national gas grids, power generators and industrial energy buyers across Europe and other international markets, alongside partners in renewables and…
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Computed from 5 filingsDesigns and sells fine jewellery including earrings, rings, necklaces and bracelets made from gold, diamonds and coloured gemstones. Offers themed jewellery collections and related products through…
Sells primarily to consumers seeking high-end fine jewellery, including shoppers buying luxury earrings, rings, necklaces and bracelets with interest in chakra-inspired and gemstone pieces.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
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Computed from 5 filingsDesigns and sells women's clothing and activewear through an online retail store, including knitwear, jackets, trousers, dresses, shorts and accessories, as well as sunglasses and seasonal fashion…
Serves women consumers shopping online for contemporary everyday and active wardrobes, plus retail stockists and wholesale partners in EU and US markets.
Financial Health
StrongStrong · Hiring · 51% CAGR over 4y
Location
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Computed from 4 filingsDevelops digital employee experience and endpoint management software for IT teams. The platform monitors desktops, virtual desktops and applications, and provides user experience analytics, patch…
Sells B2B to IT and digital workplace teams, including VDI/DaaS admins and service desk managers, in organisations managing employee endpoints, virtual desktops, SaaS apps and hybrid workplace…
Financial Health
HealthyHealthy · -62% CAGR over 3y
Location
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Computed from 5 filingsOperates an online marketplace for construction and building materials, supplying insulation products, plasterboard and drylining systems, timber and sheet materials, aggregates, bricks, drainage…
Serves a mix of B2B and B2C customers, including builders, contractors, tradespeople, self-builders and renovators across the UK.
Financial Health
StableStable · -10% CAGR over 4y
Location
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Computed from 5 filingsProvides reviews, comparisons and ratings of investment platforms, brokers and savings products, publishing research and customer feedback to help consumers evaluate and choose investment providers.
Serves retail investors and individual consumers looking to choose investment providers and products, particularly people comparing platforms using reviews, ratings and customer feedback.
Financial Health
WeakWeak · -64% CAGR over 4y
Location
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Computed from 5 filingsPromotes and organises live music concerts and tours, booking artists and staging performances at venues. Operates an events platform listing upcoming shows and selling tickets for indie,…
Sells to consumers and live music fans buying tickets for indie, alternative, jazz, classical and neo-classical concerts, primarily at London venues and selected shows beyond London.
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
Location
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Computed from 3 filingsProvides a digital mental health engagement platform for businesses, offering clinically reviewed content, AI‑driven conversational tools, and integrations via API, SDK, or embed to guide users to…
Serves B2B organisations, especially insurers, private medical insurers, banks and large employers, that need to support the mental wellbeing of their customers, members or employees.
Financial Health
StrongStrong · Growing, Hiring · 81% CAGR over 2y
Location
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Computed from 5 filingsProvides cloud‑based payment processing, point‑of‑sale systems and customer engagement tools for retailers and hospitality businesses, including gift card programmes, loyalty and rewards platforms,…
Targets B2B merchants and enterprise brands in hospitality, retail, grocery, restaurants, hotels, ticketing and entertainment, plus resellers and partners serving those sectors.
Financial Health
StableStable · -67% CAGR over 4y
Location
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Computed from 5 filingsDevelops crime prevention and security technology including cloud‑connected body cameras, smart radios, AI‑powered video analytics, facial recognition, and crime intelligence software. Systems enable…
Serves B2B and public-sector buyers including retailers, shopping centres, BIDs, BCRPs, local authorities, security companies and police forces seeking crime prevention and community safety tools.
Financial Health
StableStable · 0% CAGR over 5y
Location
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Computed from 4 filingsProvides cloud-based CRM and booking software for travel companies. Supports planning, sales and operational management of multi-day tours, cruises, rail journeys and tailor‑made trips, with tools…
Sells to B2B travel companies running multi-day experiences, including cruise, rail, FIT and tailor-made, and group tour operators, from bespoke adventure providers to large-scale travel operations.
Financial Health
StableStable · Hiring · 6% CAGR over 2y
Location
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Computed from 5 filingsDevelops cloud-based software for property letting and management. Platform automates tenant applications, digital leases, rent collection, billing and arrears recovery, owner reporting, compliance…
Serves B2B property managers, letting agents, build-to-rent operators and larger property businesses managing rental portfolios, with plans aimed at mid-market and enterprise organisations.
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsPublishes online travel and culture content including local destination guides, articles, interviews, films and podcasts. Provides travel resources and curated recommendations highlighting local…
Sells to consumers interested in culturally informed, conscious travel, especially younger travellers seeking local guides, travel advice, city experiences and subculture-led destination content…
Financial Health
StrongStrong · Hiring · 22% CAGR over 4y
Location
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Computed from 5 filingsProvides technology and digital transformation consultancy including software engineering, cloud and DevOps platform development, data and AI services, testing, product delivery, and architecture…
Serves UK government, public sector bodies and critical enterprise organisations, including energy and utilities, telecommunications, healthcare, financial services and defence buyers undertaking…
Financial Health
HealthyHealthy · -56% CAGR over 5y
Location
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Computed from 5 filingsOperates an estate agency specialising in the sale of architect-designed and design-led residential property. Lists and markets homes for sale, provides property appraisals, and connects sellers with…
Serves private home sellers and buyers seeking design-led, architecturally distinctive residential properties in urban and rural UK locations, including London, period, contemporary, family and…
Financial Health
HealthyHealthy · -64% CAGR over 4y
Location
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Computed from 5 filingsSources, imports and distributes seasonal fruit, vegetables and other fresh food products from a network of growers. Supplies restaurants, retailers and consumers through wholesale operations and…
Serves professional chefs and food retailers through wholesale, alongside home customers buying groceries directly; targets buyers interested in seasonal, grower-sourced produce and food-system…
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 5y
Location
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Computed from 5 filingsDesigns and sells golf apparel and accessories through an online store, including polos, jackets, trousers, hoodies, hats and performance outerwear, alongside editorial golf culture content published…
Serves individual golfers and golf-culture consumers buying online, with UK shoppers highlighted for next-day delivery and international customers addressed through global shipping.
Financial Health
StrongStrong · Growing, Hiring · 45% CAGR over 4y
Location
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Computed from 2 filingsProvides architectural design, masterplanning and interior design services for commercial, civic, research and mixed‑use buildings. Conducts design research through PLP Labs and offers consultancy on…
Serves public-sector bodies, property developers, corporate occupiers, universities, healthcare and research institutions commissioning major urban buildings, headquarters, campuses and mixed-use…
Financial Health
WeakWeak
Location
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Computed from 5 filingsDevelops, finances, builds and operates offshore wind farms. Provides end‑to‑end project development including site development, engineering and design, procurement, construction, corporate power…
Sells to large corporate electricity buyers through corporate PPAs and serves energy-sector partners and investors involved in offshore wind markets across Europe, North America and Asia-Pacific.
Financial Health
StrongStrong
Location
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Computed from 5 filingsDesigns and sells fashion items including silk bags, shoes, dresses, shirts and skirts, using materials such as silk, velvet, lace and pearls. Offers seasonal clothing and accessories collections…
Serves fashion consumers buying womenswear and accessories online, alongside retail stockists carrying contemporary clothing, bags and shoes.
Financial Health
HealthyHealthy · Hiring · 41% CAGR over 4y
Location
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Computed from 5 filingsDevelops AI-powered risk intelligence software that ingests and analyses global multilingual data to identify threats, resolve identities, detect relationships, and support supply chain risk…
Serves national defense and law enforcement agencies, global enterprises and FinTech firms, targeting analysts, security, compliance and risk teams managing identity, threat, vendor and supply-chain…
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
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Computed from 3 filingsProvides cyber threat intelligence software and services, including a SaaS platform that collects and analyses data on threat actors, vulnerabilities, breaches and underground marketplaces to support…
Serves B2B security teams and cyber risk leaders at organisations with exposure to advanced cyber threats, including teams managing threat intelligence, threat hunting, attack surface exposure and…
Financial Health
HealthyHealthy · -8% CAGR over 2y
Location
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Computed from 5 filingsProvides commerce engineering services including system integration, custom e‑commerce platform and tool development, and on‑demand software engineering. Integrates ERP, payment, CMS and other…
Serves B2B commerce teams at UK retailers and consumer brands, from emerging brands to enterprise organisations, especially businesses with high-volume online sales and modern commerce platform needs.
Financial Health
StableStable · Hiring · 12% CAGR over 4y
Location
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282 more companies and their verified directors are in the file
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Key facts
About 9% of the trading cohort reports turnover above £5M (19 of 201 firms) — the rest sits below that revenue band.
12% of the cohort was incorporated since 2022 (25 firms), so a sizeable share is in its first few filing cycles.
Front-end hosting is the main stack adjacency: 61.7% (124) of the London CMS cohort also run the most common detected companion technology, with another hosting option visible at 19.4% (39).
Marketing measurement is another regular pattern, with tag-management tooling visible in 36.8% (74) and analytics tooling visible in 17.4% (35).
The sector mix is weighted towards digital operating models: SaaS accounts for 19.4% (39), Startup 16.9% (34), Media & Publishing 14.4% (29), Marketing Agency 13.9% (28), and AI & Machine Learning 10.9% (22).
Financial-health classifications are mixed, with 20.9% (42) in the stable band, 18.9% (38) weak, 7.0% (14) distressed and 4.0% (8) carrying insufficient history.
Researchers have 501 verified directors across the London cohort, so account mapping can cover more than one buyer-side function in many firms.
What else do Sanity users run?
Share of the 201 Sanity-running UK companies where each technology was also detected. As of June 2026.
Who runs Sanity in the UK?
By sector
Sectors overlap, so shares need not sum to 100%.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
7
Median headcount
£800.1K
Median UK turnover
9.5%
Above £5M turnover
25
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 332 companies, alongside financials and websites, in one Excel + CSV file.
How Sanity 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.
Sanity is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
Sanity elsewhere
Frequently asked questions
How many companies in London use Sanity?
How is Sanity usage detected?
What kinds of companies use Sanity in London?
What do Sanity users in London also run?
How fresh is this data?
Can I get contact details for these companies?
Buy all 332 companies as a spreadsheet.
One Excel/CSV file with company details, websites and key data — yours to download and use.