Companies Using Datadog in London: 103 Active Firms (2026)
Companies using APM in London operate public websites instrumented with monitoring and observability tooling across local business sectors.
Application performance monitoring sits inside the engineering and operations budget, but its adoption usually signals more than a developer preference. For London adopters, it points to production software that needs trace-level visibility, incident triage and service-level reporting across customer-facing journeys. Budget ownership commonly spans platform engineering, security, digital operations and, in some cases, revenue teams that depend on measurable web performance. Engagements range from departmental subscriptions at mid-market operators to enterprise-wide observability programmes, especially where financial services, commerce, professional services or infrastructure-heavy workflows depend on reliable digital delivery.
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London has 103 actively trading companies running this APM and observability stack. Reported employment attached to the adoption cohort totals 2,329 people, though the profile still leans towards lean UK headcount rather than large domestic payrolls. The sector mix is visibly software-led: SaaS accounts for 55.3% of adopters, AI and machine-learning tags appear on 28.2%, and fintech on 14.6%. That pattern fits a city market where digital service reliability, customer acquisition and production monitoring sit close to revenue operations, rather than being confined to back-office IT.
Telemetry procurement in London tends to be tied to security review as much as engineering preference. APM agents and browser instrumentation may capture IP addresses, user identifiers, endpoint names, error traces and transaction metadata, so buyers usually need clear retention, access-control and incident-response terms before widening deployment. Financial, commerce and infrastructure-heavy operators also have to reconcile monitoring depth with customer confidentiality and service-availability commitments. The vendor ecosystem is mature enough that the harder questions are rarely about whether monitoring is useful; they are about where telemetry is processed, who can query it, and how costs behave when traffic or log volume rises.
Adoption appears likely to move from engineering-only use towards wider operational governance. London users tend to have customer-facing software, paid acquisition channels and reliability-sensitive workflows, so observability is becoming part of how product, security and commercial teams discuss service quality. Cost scrutiny may also shape behaviour: high-volume telemetry encourages sampling, retention limits and consolidation of monitoring tools. Smaller users may stay with default instrumentation until incidents or enterprise customers force more formal practice, while larger operators are more likely to standardise observability alongside cloud, identity and security tooling.
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 Datadog rises with company size across the trading companies in this cohort. 0% of the 532,485 companies with under 10 employees run Datadog (60 detected). 0.2% of the 15,364 companies with 10–50 employees run Datadog (33 detected). 0.4% of the 1,763 companies with over 50 employees run Datadog (7 detected). That is a 0.4% gap between the over 50 employees and under 10 employees bands.
103
Active firms
2026
14
Above £5M turnover
Trading firms
6
Median headcount
Filed accounts
253
Verified directors
Across this cohort
Top companies using Datadog 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 3 filingsDevelops cloud-based human resources information system (HRIS) software with AI features for managing employee data, onboarding and offboarding, performance reviews, absence tracking, workflow…
Serves growing and global businesses, targeting HR and People Operations leaders plus finance, planning and IT teams responsible for employees across the organisation.
Financial Health
StrongStrong · Hiring · 22% CAGR over 2y
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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Develops AI-powered software operations tools that analyse logs, traces and code data to investigate production incidents, identify root causes, predict system failures, and generate suggested fixes…
Serves B2B software organisations with sizeable engineering, SRE and platform teams, including CTOs, heads of reliability and engineers responsible for incident response, observability and production…
Financial Health
N/AN/A
Location
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Provides information services, software, and databases for legal, tax, accounting, and compliance professionals. Products include legal research platforms, tax and audit tools, risk and fraud…
Serves B2B and public-sector professionals, including law firms, tax and accounting firms, corporate legal and tax teams, government agencies, and law enforcement, compliance, risk and fraud…
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Computed from 5 filingsProvides information services, research databases, and software platforms for legal, tax, accounting, and compliance professionals, including legal research tools, tax management systems, document…
Serves legal, tax, audit and accounting professionals in law firms and professional services firms, plus corporate departments and government agencies.
Financial Health
WeakWeak
Location
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Computed from 5 filingsDevelops enterprise software for commercial and specialty insurers to manage underwriting operations. Provides a SaaS platform that connects underwriting data, workflows, pricing, and submissions,…
Sells to commercial and specialty insurance organisations, including Tier 1 and Tier 2 carriers, MGAs, reinsurers, Lloyd’s syndicates, and London market insurers managing complex underwriting…
Financial Health
HealthyHealthy · -43% CAGR over 4y
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Develops workforce planning and organisational design software that integrates HR and business data to analyse organisational structures, model workforce scenarios, assess skills and roles, and…
Serves large enterprises undertaking workforce and organizational change, particularly HR, strategy and transformation leaders in consumer products, energy and resources, financial services, life…
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Computed from 5 filingsProvides SaaS platforms and services for managing secure data sharing via APIs, including trust directories, PKI infrastructure, OAuth authorisation servers, AI‑driven access control, and conformance…
Sells to businesses, governments, regulators, central banks and industry consortia building secure API and open data-sharing ecosystems, especially in financial services, digital identity and…
Financial Health
StrongStrong · Growing, Hiring · 40% CAGR over 4y
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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
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Computed from 5 filingsDevelops cloud-based recruitment software including an applicant tracking system, candidate relationship management tools, career site management, interview workflows, analytics, automation,…
Sells to HR and recruitment teams at businesses worldwide, from small and midsize companies to enterprises with 1,000+ employees, that manage employer branding, candidate relationships, hiring and…
Financial Health
StrongStrong · Hiring · 30% CAGR over 4y
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Computed from 5 filingsDevelops software for managing, annotating and curating multimodal datasets used to train and evaluate AI models. Platform supports video, images, text, LiDAR and sensor data, with tools for data…
Serves B2B AI and machine learning teams at enterprises building physical, frontier and applied AI systems, including robotics, autonomous vehicles, drones, smart spaces and generative AI.
Financial Health
StrongStrong · Growing, Hiring · 100% CAGR over 4y
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Computed from 5 filingsProvides a developer platform for building, deploying and managing applications, APIs, databases and AI workloads. Offers CI/CD pipelines, container and Kubernetes orchestration, GPU compute, and…
Sells to engineering and platform teams at startups and enterprises running cloud-native applications, AI workloads, databases and Kubernetes infrastructure across public cloud or their own VPCs.
Financial Health
StrongStrong · Hiring · 3% CAGR over 4y
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Computed from 5 filingsDevelops a cloud backup and recovery platform that manages and stores backups across AWS, Azure and Google Cloud. Provides searchable backup storage, ransomware protection, compliance monitoring, and…
Serves enterprise B2B customers running cloud workloads on AWS, Azure and Google Cloud, especially IT, cloud infrastructure, security and data teams needing backup, recovery, compliance and data…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
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Computed from 5 filingsProvides a cloud‑native SaaS platform for data protection and cyber recovery. Offers backup, ransomware recovery, data governance, eDiscovery and compliance tools for enterprise workloads, public…
Serves enterprise IT, security and compliance teams that manage cloud, SaaS, endpoint and hybrid infrastructure, plus managed service providers and channel partners delivering data protection…
Financial Health
StableStable · Hiring · 7% CAGR over 4y
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Computed from 5 filingsProvides AI cloud infrastructure and software for training, deploying and scaling machine learning models. Offers GPU compute instances, private cloud platforms, inference endpoints, model management…
Serves sovereign/public-sector organisations, telecoms operators and large enterprises building AI clouds, plus AI teams needing GPU capacity across sectors such as biotech, finance and sports…
Financial Health
StableStable · Hiring · 3% CAGR over 4y
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Computed from 5 filingsProvides online international money transfer services allowing users to send funds to bank accounts, debit cards, mobile wallets, or cash pickup locations, and to pay bills or reload mobile phones…
Serves consumers sending international money transfers to friends and family, including migrants, expatriates and people supporting recipients abroad via bank deposits, wallets, cash pickup, phone…
Financial Health
WeakWeak · -65% CAGR over 4y
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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
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Provides cloud‑based cybersecurity services including zero trust network access, secure web gateways, cloud application security, data loss prevention, and threat protection. Platform enables secure…
Serves large enterprises and public-sector organisations, including healthcare, banking and financial services, manufacturing, education and government teams, plus partners needing secure B2B access.
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Provides financial services for businesses including multi‑currency accounts, virtual and company cards, credit cards, invoice financing, and accounts payable tools. Platform includes spend…
Serves businesses using digital banking, particularly ecommerce and growth brands needing working capital for inventory, ad campaigns, supplier invoices, team expenses and cross-border payments.
Financial Health
N/AN/A
Location
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Provides online business finance to small and medium-sized enterprises, including short-term loans and flexible lines of credit from £1,000 to £1,000,000. Offers rapid online applications, funding…
Targets UK SMEs and small business owners, including retailers and companies with working-capital, invoice, tax, asset, vehicle, property or investor-finance needs.
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Develops and provides software, data platforms, and professional information services for legal, tax, accounting, and compliance professionals, including legal research tools, tax management systems,…
Serves B2B and public-sector professionals, including law firms, tax, audit and accounting firms, corporate legal and tax teams, governments, and law enforcement, compliance, risk and fraud…
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Provides online business finance to small and medium-sized businesses, offering short‑term loans and revolving credit lines from £1,000 to £1,000,000. Applications, approvals and fund transfers are…
Serves UK small and medium-sized businesses seeking flexible finance, including retail firms and companies needing working capital, invoice, asset, vehicle, property or tax funding.
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Provides IT consulting, integration and managed services, including cloud migration and management, cybersecurity, networking, collaboration platforms, AI and data solutions, and infrastructure…
Serves businesses and public sector organisations of all sizes, including healthcare, life sciences, financial services, retail, manufacturing, media and entertainment, gaming, legal/professional…
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Computed from 5 filingsDevelops software platforms for alternative investment managers and fund administrators supporting private equity, venture capital and credit strategies. Products provide fund and investment…
Sells B2B to private capital firms, including private equity and venture capital managers, credit asset managers, fund administrators, banks and insurance companies managing private debt, CLOs, funds…
Financial Health
WeakWeak · 2% CAGR over 4y
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Computed from 2 filingsProvides an API-based investment infrastructure enabling fintechs to offer brokerage, trading and investment features. Services include account opening, order execution, fractional investing, savings…
Serves B2B fintechs, digital banks, brokers and wealth-management platforms, particularly European firms that want to offer investment and trading experiences to their end users.
Financial Health
StrongStrong · Growing, Hiring · 234% CAGR over 1y
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Computed from 5 filingsDevelops and provides software platforms for compliance, governance and investor relations. Products include whistleblowing systems, insider and disclosure management, policy management, ESG and data…
Sells to global enterprises and listed companies, targeting compliance, legal, data privacy, ESG/sustainability and investor relations teams across Europe, the US and APAC.
Financial Health
StableStable · 2% CAGR over 4y
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Computed from 5 filingsProvides software platform for businesses to send global payouts to creators, freelancers and marketplace sellers, with tools for payment automation, tax form collection and reporting, identity…
Sells to B2B digital platforms, marketplaces, and internet businesses with finance, AP, risk, compliance, product, engineering, operations, and support teams managing creators, artists, freelancers,…
Financial Health
HealthyHealthy · Hiring · 22% CAGR over 4y
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Computed from 5 filingsProvides technology platforms, underwriting, and infrastructure that enable brands to offer embedded insurance products. Develops AI and data tools to support quoting, sales, and customer engagement…
Sells to brands and commercial entities seeking to offer or grow digital insurance programmes, including embedded car, home, travel, landlord and purchase protection products for their customers.
Financial Health
StableStable
Location
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Provides an online consumer insights and market research platform that uses consumer data and AI to test product concepts, evaluate advertising, track brand health, and collect real-time consumer…
Sells to B2B brand, innovation, advertising, and insights teams at consumer-facing brands seeking continuous consumer feedback for product development, ad testing, and brand tracking.
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Develops cloud-based HR software for recruiting and employee management. Platform includes multi-board job posting, applicant tracking, candidate sourcing tools, interview management, onboarding…
Serves HR, recruiting and people operations teams at businesses of varying sizes across industries, including companies hiring at scale and managing employees in 100+ countries.
Financial Health
N/AN/A
Location
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Computed from 4 filingsProvides digital transformation consulting including strategy development, design and software development of digital products, AI and data platforms, workflow automation, and modernization of…
Serves enterprise and public-sector organisations in automotive, energy, financial services, health, manufacturing, media, mobility and retail, typically teams leading digital, data, AI and customer…
Financial Health
StrongStrong · Hiring · 13% CAGR over 3y
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Computed from 2 filingsDevelops enterprise resilience and risk management software that helps organisations plan for and respond to disruptions. Platform supports business continuity, IT disaster recovery, crisis and…
Sells to enterprise organisations, especially financial services firms, technology service providers and manufacturers, targeting risk, operational resilience, business continuity and IT disaster…
Financial Health
StableStable · Hiring · 19% CAGR over 1y
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Computed from 3 filingsDevelops and provides a cloud‑native software platform for property and casualty insurers. The IBSuite system supports policy administration, underwriting, claims management, billing, rating, CRM,…
Serves B2B property and casualty insurance risk carriers, including insurers and related insurance organisations seeking modern core systems, with additional engagement for consulting firms involved…
Financial Health
StableStable · -29% CAGR over 2y
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Computed from 3 filingsDevelops cloud-based ediscovery software for legal teams. The platform uses AI and analytics to upload, search, review and analyse large volumes of documents for litigation, investigations, early…
Serves legal teams at law firms, corporations and public sector agencies, particularly those handling litigation, investigations and edisclosure in the UK.
Financial Health
DistressedDistressed · -21% CAGR over 2y
Location
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Develops software supply chain management tools for development teams, including artifact repository management, open‑source component analysis, vulnerability and license compliance scanning, malware…
Serves B2B software development, DevOps and security teams in organisations using open source and AI, including government, financial services, technology, manufacturing and healthcare sectors.
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Develops information and software platforms for legal, tax, accounting, and compliance professionals, including legal research databases, tax and trade management tools, investigation software, and…
Serves B2B and public-sector customers: law firms, corporate legal and tax teams, tax, audit and accounting firms, government agencies, and law enforcement, compliance, risk and fraud investigation…
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Computed from 4 filingsDevelops cloud-based treasury and liquidity management software for hedge funds, private markets firms, and fund administrators. The platform consolidates cash, credit facilities, margin, and…
Sells to alternative investment management firms, particularly hedge funds, private markets firms, fund administrators and banks. Targets treasury, liquidity and finance teams managing cash, credit…
Financial Health
StrongStrong · Hiring · 116% CAGR over 4y
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Computed from 4 filingsProvides a managed cloud platform for real-time data analytics built on the Apache Pinot database. Offers tools for ingesting, indexing and querying streaming data, enabling applications,…
Serves enterprise data, engineering and analytics teams in finance, healthcare, gaming, retail, transportation and delivery, including companies operating customer-facing apps, observability systems,…
Financial Health
StrongStrong
Location
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Computed from 3 filingsProvides cloud‑native consulting and engineering services, including cloud platform design, Kubernetes and VMware migration, and application workload modernisation. Builds and supports…
Serves large enterprises and engineering/platform teams managing complex cloud infrastructure, including technology, industrial, telecoms and regulated organisations seeking Kubernetes, VMware…
Financial Health
HealthyHealthy · -6% CAGR over 2y
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Computed from 3 filingsProvides online payment processing platform enabling businesses to accept payments in multiple currencies, generate invoices and payment links, integrate checkout with e‑commerce sites, and manage…
Serves enterprises, startups, SMEs, online merchants, creators and solo sellers across emerging markets, plus consumers sending money, shopping, buying tickets and paying tuition, with emphasis on…
Financial Health
StableStable · Hiring · 54% CAGR over 2y
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Provides information, software, and data services for legal, tax, accounting, and compliance professionals. Offers research platforms, tax and trade compliance tools, document management systems, and…
Serves B2B and public-sector customers, including law firms, tax, audit and accounting firms, corporate legal and tax teams, government agencies, and law enforcement, compliance, risk and fraud…
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Computed from 5 filingsProvides digital marketing and technology services for brands, including AI transformation, data and technology consulting, customer experience design, e‑commerce development, media and brand…
Serves enterprise and global brand marketing, digital and technology teams, especially in banking, financial services, insurance, consumer packaged goods, health, retail and commerce, and tech, media…
Financial Health
StrongStrong · Hiring · 15% CAGR over 5y
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Computed from 3 filingsDevelops cloud-based service lifecycle management software for manufacturers of complex equipment. The platform supports spare parts inventory planning, dealer parts planning, pricing optimisation,…
Serves B2B manufacturers of complex equipment and goods, especially aftermarket, service, parts, pricing and warranty teams in industries including agriculture, automotive, construction, mining,…
Financial Health
StableStable · Hiring · 31% CAGR over 2y
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Computed from 4 filingsDevelops software platform for private capital firms to manage fund and deal operations, including cap table tracking, waterfall calculations, investor reporting, document management, compliance…
Serves private capital firms and related law firms, targeting fund investment, legal, finance, audit and compliance teams, plus portfolio company managers and limited partners involved in private…
Financial Health
StableStable
Location
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Develops customer marketing software that uses data and AI to help businesses analyse customer behaviour, segment audiences, and manage personalised multichannel campaigns across email, SMS, mobile…
Serves B2B marketing teams at brands and operators in iGaming, retail and eCommerce, online trading, social games and apps, financial services, and travel and hospitality.
Financial Health
N/AN/A
Location
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Provides information services, research databases, and software platforms for legal, tax, accounting, and compliance professionals, including legal research tools, tax management systems,…
Serves B2B and public sector customers: law firms, tax, audit and accounting firms, corporate legal and tax teams, government agencies, and law enforcement, compliance, risk and fraud investigators.
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Provides information services and software for legal, tax, accounting, and compliance professionals. Products include legal research platforms, tax preparation and planning tools, document and…
Serves B2B and public-sector customers including law firms, tax, audit and accounting firms, corporate legal and tax teams, government agencies, law enforcement, compliance, risk and fraud…
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Computed from 5 filingsOperates an online marketplace for buying and selling tickets to live events, including sports games, concerts and theatre performances. Provides event listings, seat maps, pricing comparison and…
Serves consumers and fans attending live sports, concerts, theatre and other events, as well as individual ticket sellers for major leagues, teams, artists and venues.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
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 3 filingsProvides cloud-based human resources software for managing employee performance, engagement, goals and compensation. Platform includes performance reviews, surveys, analytics, OKR tracking and AI…
Serves B2B HR and people operations teams, managers and executives at companies seeking support for employee performance, engagement, compensation and workforce analytics.
Financial Health
StrongStrong · Hiring · 123% CAGR over 2y
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Key facts
About 13% of the trading cohort reports turnover above £5M (14 of 103 firms) — the rest sits below that revenue band.
16% of the cohort was incorporated since 2022 (17 firms), so a sizeable share is in its first few filing cycles.
Co-detected stack markers point to production web estates: 86.4% have an edge-network layer present, 65.0% a tag-management layer and 58.3% a cloud-platform marker.
Sector tags are software-weighted, with SaaS attached to 55.3% of the cohort, AI & Machine Learning to 28.2% and Fintech to 14.6%; tags overlap.
Financial-health classifications are mixed: 25.2% sit in the stable band, 20.4% in weak and 7.8% in distressed.
Website technology overlap suggests mixed operating models, with 31.1% also showing a content-management marker and 33.0% an advertising-network marker.
The London cohort includes 253 verified contacts, which points to named buying and technical roles rather than anonymous website detection alone.
What else do Datadog users run?
Share of the 103 Datadog-running UK companies where each technology was also detected. As of June 2026.
Who runs Datadog in the UK?
By sector
Sectors overlap, so shares need not sum to 100%.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
6
Median headcount
£1M
Median UK turnover
13.6%
Above £5M turnover
17
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 220 companies, alongside financials and websites, in one Excel + CSV file.
How Datadog 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.
Datadog is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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Frequently asked questions
How many companies in London use Datadog?
How is Datadog usage detected?
What kinds of companies use Datadog in London?
What do Datadog users in London also run?
How fresh is this data?
Can I get contact details for these companies?
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