SaaS Companies Using Firebase in the UK: 73 Active Firms (2026)
SaaS companies using cloud application tooling build subscription software with web, mobile or data-driven features for UK customers.
For SaaS providers, Firebase tends to sit inside product engineering rather than corporate IT: managed authentication, database, hosting, messaging and analytics components reduce the amount of bespoke backend work needed for web and mobile products. Adoption usually signals a product-led or self-serve posture, with engineers owning release cadence and customer telemetry while commercial teams sell subscriptions to SMB, mid-market or consumer segments. It is less a licence-management clue than an operating-maturity clue: these firms have moved beyond brochureware, need live-product observability, and have enough engineering budget to rely on managed cloud components rather than wholly custom infrastructure.
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The UK adoption picture is deliberately narrow: 73 actively trading SaaS companies are running Firebase on their public web estate. Reported employment attached to this cohort totals 1,475 people. Among Development tools visible in this SaaS cohort, Firebase accounts for 66.4% of identified uses, ahead of the next comparable tool at 32.7% and a long-tail alternative at 1.8%. Registered-office geography is London-weighted at 49.3%, with South West, East of England and North West each at 8.2%, and South East at 6.8%.
Companies running Firebase are not licensed as a technology-adopter class, so the regulatory load sits in the SaaS activity around it: personal-data processing, cyber-security controls, customer contracts and sector rules where clients operate in regulated markets. The ICO is the main UK data-protection regulator, and UK GDPR duties matter when authentication, analytics, messaging or hosted app content touch personal data. Procurement teams also tend to ask about cloud dependency, subcontracting and exit routes. The CMA has examined UK public cloud infrastructure services and found competition concerns, making provider lock-in and portability more than a purely engineering issue.
Firebase adoption appears likely to follow product-engineering pragmatism rather than board-level platform strategy. Early commercial SaaS teams tend to value managed components because they shorten release cycles and keep infrastructure hiring contained; later-stage firms often reassess the same stack when procurement scrutiny, data-residency questions and integration demands become harder to manage. That creates a mixed trajectory: continued use for new modules, mobile features and customer engagement flows, alongside selective migration where scale, auditability or customer contracts push teams towards more controlled architectures. Consolidation in the cloud vendor market may also make portability a more visible buying criterion.
Adoption by company size
Adoption of Firebase rises with company size across the trading UK SaaS companies in this cohort. 0.1% of the 37,913 companies with under 10 employees run Firebase (42 detected). 1.2% of the 1,886 companies with 10–50 employees run Firebase (22 detected). 1.2% of the 166 companies with over 50 employees run Firebase (2 detected). That is a 1.1% gap between the over 50 employees and under 10 employees bands.
73
Active firms
2026
66.4%
Of detected Development share
UK SaaS
6
Median headcount
Filed accounts
181
Verified contacts
Across this cohort
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Key facts
About 1% of the trading cohort reports turnover above £5M (1 of 73 firms) — the rest sits below that revenue band.
10% of the cohort was incorporated since 2022 (8 firms), so a sizeable share is in its first few filing cycles.
Firebase-running SaaS accounts for 66.4% (73) of the detected development-tooling category across 110 companies; the next closest system is at 32.7% (36).
Stack signals point to cloud-facing products: 67.1% (49) also run a content-delivery and security layer, 50.7% (37) use tag-management tooling and 49.3% (36) use web analytics tooling.
Registered offices skew towards London, which accounts for 49.3% (36) of the cohort, followed by the South West, East of England and North West at 8.2% (6) each.
Product overlap extends beyond core SaaS: 37.0% (27) are also tagged Startup, 27.4% (20) AI & Machine Learning and 12.3% (9) Fintech.
Regulatory exposure tends to sit with the ICO, UK GDPR, the Data Protection Act 2018, cyber security, contract law and rules attached to regulated customer industries rather than a single SaaS licence.
Hosting & PaaS market share among UK SaaS
Share of the 110 UK SaaS with a detectable system. As of June 2026.
What else do Firebase-running SaaS run?
Share of the 73 Firebase-running UK companies where each technology was also detected. As of June 2026.
Where Firebase SaaS are, and how healthy they look
By region
By registered-office region; companies without a regional match count toward Rest of UK.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
6
Median headcount
£612.5K
Median UK turnover
1.4%
Above £5M turnover
8
Incorporated since 2022
181 verified decision-maker contacts
across these 73 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK SaaS using Firebase
Ranked by sales-readiness score: an AI model assesses what each company does, its sector and size, and scores its overall fit. Best-fit prospects appear first.
Financial sub-scores
Computed from 4 filingsProvides cloud-based HR, payroll and recruitment software for businesses. Platform includes tools for payroll processing, pension submissions, employee onboarding, time and attendance tracking,…
Serves UK SMEs and SMB employers, especially HR, payroll and hiring teams. Also targets accounting firms, payroll bureaus and referral partners serving small-business clients.
Financial Health
StrongStrong · Hiring · 100% CAGR over 3y
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Computed from 3 filingsProvides a cloud platform for selling and managing subscription-based digital services. Offers tools for B2B marketplaces, subscription billing, partner and reseller management, cloud distribution,…
Serves B2B organizations in the subscription economy, including communications service providers, software companies, manufacturers, IT and managed service providers, financial services firms,…
Financial Health
HealthyHealthy · -6% CAGR over 2y
Location
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Computed from 4 filingsDevelops cloud-based payroll software for accountants, bookkeepers and payroll bureaux. Platform automates pay runs, timesheets, employee self‑service, pension auto‑enrolment, HMRC RTI reporting,…
Sells to UK payroll bureaux, accountancy firms and bookkeeping businesses that manage payroll for client employers, including firms needing bureau or reseller arrangements.
Financial Health
WeakWeak · -4% CAGR over 3y
Location
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Computed from 5 filingsDevelops event management software for organising in‑person, virtual and hybrid events. Platform includes online registration, event websites, mobile apps, virtual venues, attendee check‑in, badging,…
Serves B2B event organisers and organisations managing in-person, virtual or hybrid events, including teams needing attendee registration, event websites, mobile apps, badging and check-in workflows.
Financial Health
DistressedDistressed · -24% CAGR over 4y
Location
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Computed from 5 filingsDevelops AI video generation software for businesses, enabling creation of training, marketing and support videos using digital avatars, voice synthesis and multilingual dubbing. Provides APIs and…
Serves B2B customers including large enterprises, developers, L&D teams and customer support teams, with sector focus on transport networks, airports, banks, healthcare providers, attractions and…
Financial Health
WeakWeak · Hiring · 12% CAGR over 4y
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Computed from 5 filingsDevelops a cloud-based analytics platform that connects to databases and business tools, enabling teams to query data with AI, build metric trees and dashboards, perform collaborative analysis, and…
Sells to B2B data, analytics and business teams at organisations that need collaborative BI across data warehouses, semantic layers, spreadsheets and SaaS tools.
Financial Health
StrongStrong · Growing, Hiring · 24% CAGR over 4y
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Computed from 3 filingsDevelops cloud-based management information and finance software for education institutions. Provides systems for pupil data management, school administration, accounting, parent and student portals,…
Serves education-sector organisations, including primary and secondary schools, multi-academy trusts, SEND and all-through schools, maintained schools, local authorities and school finance or…
Financial Health
StrongStrong · Profitable
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Computed from 5 filingsDevelops cloud-based HR and health and safety management software for businesses. Platform includes modules for absence tracking, recruitment and onboarding, document management, risk assessments,…
Serves businesses and organisations with employees, targeting HR, operations and health & safety teams managing workforce, compliance, safety and contractor responsibilities.
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
Location
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Computed from 4 filingsDevelops software that provides digital receipt and post‑purchase engagement tools for retailers. Platform links in‑store transactions to customer profiles, delivers receipts via digital channels,…
Serves independent, mid-sized and enterprise retailers and growing consumer brands, with their shoppers as end users.
Financial Health
StrongStrong · Hiring · 63% CAGR over 3y
Location
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Computed from 5 filingsProvides cloud-based software for construction and infrastructure project teams to capture site reports, photos, and safety observations via mobile devices, generating time‑stamped records,…
Sells to construction and infrastructure businesses, from small subcontractors to national utilities, targeting on-site project teams, office teams, and leadership needing project visibility and…
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
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Computed from 5 filingsDevelops cloud-based transport management software for logistics companies, providing tools for order entry, route planning, documentation, invoicing, integrations, and CO2 tracking, with AI features…
Sells to transport and logistics businesses, especially carriers, freight forwarders and 3PLs. Targets operational, planning, finance and leadership teams managing haulage, distribution, intermodal,…
Financial Health
StrongStrong · Growing, Hiring · 47% CAGR over 4y
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Computed from 5 filingsDevelops an online software platform for mortgage intermediaries and advisers that supports managing client cases, processing mortgage applications, and administering related documentation and…
Serves UK mortgage intermediaries and advisers, including broker firms and advisory teams operating in the mortgage advice market.
Financial Health
HealthyHealthy · Hiring · 19% 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 cloud software for renewable energy installers, including solar, heat pump, battery and EV charger companies. Platform offers CRM, quoting, job management, compliance documentation,…
Sells to UK B2B clean-tech installers, particularly solar, heat pump, battery storage and EV charger installation firms looking to manage growing project volumes, field teams and compliance…
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
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Computed from 5 filingsDevelops a software platform that enables B2B SaaS companies to build, deploy and manage AI agents within their products. Provides conversational interfaces, embeddable widgets, SDKs, workflow tools,…
Targets B2B SaaS companies, especially product and engineering teams at learning platforms, HR and people operations software providers, and talent acquisition platforms serving business customers.
Financial Health
HealthyHealthy · Hiring · 54% CAGR over 4y
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Computed from 5 filingsDevelops accounts receivable automation software that helps businesses manage outstanding invoices, send automated payment reminders via email, SMS and calls, monitor debtor activity, forecast cash…
Serves B2B finance and accounts receivable teams at businesses worldwide, plus accountants and bookkeepers supporting clients with late-payment and receivables processes.
Financial Health
StableStable · Hiring · 13% CAGR over 4y
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Computed from 5 filingsProvides software for e‑commerce brands to manage ambassador and influencer marketing programmes. The platform supports recruiting ambassadors, coordinating campaigns, tracking referrals and…
Sells to eCommerce brands and marketing teams that use ambassadors, influencers, affiliates, customers and fans to drive community-led sales, content, launches and social media engagement.
Financial Health
StableStable · Hiring · 13% CAGR over 4y
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Develops enterprise AI assistant software that enables employees to search internal knowledge, retrieve information, and automate workflows across business applications such as IT, HR, and finance,…
Serves large enterprises and public-sector organisations, targeting IT, HR, finance, engineering, sales, marketing and service management teams in sectors including manufacturing, financial services,…
Financial Health
N/AN/A
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Develops an AI software platform for e‑commerce operations that integrates with platforms such as Shopify, BigCommerce and Adobe Commerce to monitor data, automate workflows, run AI agents, and…
Serves eCommerce merchants and brands, commerce and brand teams, digital agencies managing client portfolios, and SaaS/technology partners, particularly those using Shopify Plus, BigCommerce or Adobe…
Financial Health
N/AN/A
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Computed from 3 filingsDevelops digital mental health software for employers that monitors user wellbeing through daily check-ins and clinical screening, provides access to therapists and uncapped therapy sessions, and…
Sells to employers, HR and employee benefits teams seeking workplace mental wellbeing support for their staff, including large corporate organisations and businesses across the UK.
Financial Health
DistressedDistressed · -14% CAGR over 2y
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Computed from 3 filingsDevelops a data analytics and marketing platform for mobile games and apps. Provides tools for data integration, attribution analysis, LTV and ROAS prediction, SKAN modelling, and automated insights…
Serves B2B customers in the mobile games and apps sector, including game studios, publishers, and growth or marketing teams using MMP, ad network, monetisation and user acquisition data.
Financial Health
DistressedDistressed · -13% CAGR over 2y
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Computed from 3 filingsOperates an online peer‑to‑peer support platform where users share and discuss mental health and wellbeing experiences. Provides moderated community features, AI risk detection, and escalation to…
Serves a mix of individual consumers, universities and employers: people seeking wellbeing peer support, higher education institutions with student wellbeing needs, and companies supporting employee…
Financial Health
HealthyHealthy · Hiring · 24% CAGR over 2y
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Computed from 5 filingsProvides digital HR software and people experience platforms that support employee onboarding, performance management, learning programmes, reward and benefits administration, and compliance…
Targets HR teams and business leaders in SMEs outgrowing basic HRIS and larger organisations looking to improve digital interaction with employees across onboarding, performance, learning, reward and…
Financial Health
WeakWeak · 0% CAGR over 4y
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Computed from 3 filingsProvides a digital platform for employers to run employee wellness, rewards, and recognition programmes. Offers wellness content, health challenges, gift card and custom incentives, peer recognition…
Serves employers, HR teams, benefits specialists, and people leaders seeking employee wellness, rewards, recognition, and engagement programmes for their workforce.
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StableStable · 0% CAGR over 2y
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Computed from 5 filingsProvides a no-code data capture platform that converts paper forms into digital workflows. Offers tools to build forms, collect data via mobile and web apps, manage submissions, generate reports, and…
Serves businesses of all sizes, including small firms and teams in agriculture, arboriculture, electrical engineering, facilities management, fire safety, production, water compliance and business…
Financial Health
StrongStrong · Growing, Hiring · 50% CAGR over 4y
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Computed from 5 filingsProvides cloud-based invoicing and business management software for small businesses and freelancers. The platform enables creation of invoices, quotes, estimates and purchase orders, tracks expenses…
Serves freelancers, contractors, entrepreneurs and small business owners, especially trades and local service businesses such as construction, HVAC, electrical, plumbing, landscaping, cleaning, auto…
Financial Health
StrongStrong
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Computed from 3 filingsDevelops portfolio management and data aggregation software for investment professionals. The platform consolidates data from multiple financial accounts and assets, providing analytics, reporting…
Sells to investment professionals at wealth managers, family offices, private banks and institutional investors, including teams managing complex portfolios. Targets financial services organisations…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 86% CAGR over 2y
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Computed from 5 filingsDevelops mobile software for asset data collection and condition surveying used in facilities and property management. The platform enables custom surveys, asset registers, lifecycle planning, data…
Serves B2B customers in the facilities management and property sectors, including facility managers, consultants, and building owner-occupiers in organisations of all sizes.
Financial Health
StrongStrong · Hiring · 20% CAGR over 4y
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Computed from 5 filingsDevelops a corporate social responsibility platform that connects employees with volunteering, donation and sustainability activities. Provides tools for organising group volunteering, running social…
Serves businesses and their CSR, HR and employee engagement teams seeking to involve staff in volunteering, sustainability, wellbeing and corporate giving programmes, including organisations…
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StrongStrong · Hiring · 22% CAGR over 4y
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Computed from 5 filingsDevelops mobile and web applications for inspections and site audits, including tools for managing projects, completing checklists, documenting issues with photos, and generating PDF reports and…
Serves App Store users and businesses, including small and large enterprises that manage site audits, inspections, project documentation and reporting across varied industries.
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HealthyHealthy · Growing · 0% CAGR over 4y
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Computed from 5 filingsProvides measurement and analytics tools for influencer marketing campaigns. Offers a SaaS platform and managed services that run brand lift studies, collect survey responses from exposed and control…
Sells to brands and marketing agencies running influencer marketing campaigns across multiple social platforms, especially teams responsible for campaign measurement, optimisation and budget…
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StrongStrong · Growing, Hiring · 40% CAGR over 4y
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Computed from 2 filingsDevelops workplace experience software that enables organisations to manage employee communications, intranet content, digital signage, room and desk reservations, visitor management, and workplace…
Sells to organisations managing employee communications and workplaces, including communications, workplace, facilities and IT teams. Targets businesses in financial services, healthcare, industrial…
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StableStable · Hiring · 13% CAGR over 1y
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Computed from 4 filingsProvides a qualitative research platform that collects and analyses customer insights through video surveys, live interviews and focus groups. Includes AI tools for transcription, sentiment analysis,…
Serves B2B customer insights, market research, and product/user research teams at organisations running qualitative studies, including video surveys, interviews, focus groups, and research…
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HealthyHealthy · -81% CAGR over 3y
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Computed from 2 filingsOperates an online platform and mobile app that connects consumer brands with social media users, rewarding individuals with cash payments for posting about purchased products or experiences on…
Serves consumer brands in sectors such as fashion, beauty, health and fitness, travel, dining and pet products, alongside everyday Instagram and TikTok users who buy from brands and want posting…
Financial Health
StrongStrong · Hiring · 50% CAGR over 1y
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Computed from 5 filingsDevelops software that connects data and functionality from existing enterprise and SaaS systems, providing a secure web interface that aggregates information, enables data interrogation, and…
Serves B2B organisations with multiple ERP, legacy and SaaS systems, targeting IT teams, developers and executives that need to provide secure data access for staff, customers and supply chain…
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StableStable
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Computed from 2 filingsProvides a web platform offering audience engagement tools for publishers and websites, including comment systems, interactive widgets, quizzes, social sharing features, and analytics tools for…
Sells to B2B customers operating websites, especially digital publishers, media brands and content teams with audience communities and first-party data needs.
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StableStable · 0% CAGR over 1y
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Computed from 4 filingsDevelops AI software that enriches product data and generates structured product‑page copy for ecommerce retailers. The platform analyses product information, fills data gaps, produces SEO‑optimised…
Serves ecommerce brands and retailers with large SKU catalogues, especially teams responsible for product content, merchandising, SEO, marketplace feeds and digital commerce operations.
Financial Health
StrongStrong · Hiring · 47% CAGR over 3y
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Computed from 4 filingsDevelops software for dental practices that converts spoken input into structured clinical notes. Platform provides voice recording, AI transcription, templated dental records, compliance checks, and…
Sells to dentists, dental associates, new graduates and dental practice owners or managers, serving individual clinicians and whole-practice teams.
Financial Health
HealthyHealthy · Hiring · 26% CAGR over 3y
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Computed from 5 filingsProvides an online platform for creating, marketing and delivering online courses. Includes tools for course hosting, membership sites, community features, email marketing, sales funnels, webinars,…
Serves online course creators, coaches, educators and training businesses selling digital courses, memberships, communities, live classes or webinars, with a focus on users needing sales and…
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HealthyHealthy · 0% CAGR over 4y
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Computed from 5 filingsDevelops artificial intelligence software for healthcare that records and analyses clinician‑patient conversations, generating medical documentation, clinical notes and structured data to support…
Targets hospitals, health systems and other healthcare providers, with buyer groups including clinicians, nursing teams and revenue cycle leaders responsible for clinical documentation, patient…
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StrongStrong · Hiring · 6% CAGR over 4y
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Computed from 4 filingsDevelops farm management software that provides mapping, field planning, work tracking, livestock management, input recording, pesticide checking, and reporting tools. The platform allows farmers and…
Serves farmers, farm managers and agricultural teams worldwide, including crop, livestock, horticulture, mixed and multi-farm operations, plus contractors, agronomists and research plot managers…
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WeakWeak · -4% CAGR over 3y
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Computed from 3 filingsDevelops a cloud-based content collaboration platform for video production teams. Provides HD video conferencing, live streaming from editing software, media review and approval tools, dailies…
Serves solo content creators, production and post-production teams, media companies managing multiple projects, and education institutions including schools, colleges and universities. Also targets…
Financial Health
HealthyHealthy · Hiring · 32% CAGR over 2y
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Computed from 4 filingsDevelops a cloud-based workspace application for creating documents, wikis, databases, and project boards. Provides collaboration tools, task and project management, knowledge bases, integrations…
Serves individuals, professionals, small teams, startups, growing businesses and enterprises, including engineering, product, design, marketing and IT teams, as well as education users.
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StableStable · Hiring · 8% CAGR over 3y
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Computed from 5 filingsDevelops AI-powered email assistant software that integrates with Gmail and Outlook to organise inbox messages, categorise emails, generate draft replies in a user’s writing style, and capture…
Sells to individual professionals, teams, and small to medium-sized businesses using Gmail or Outlook, with options for both self-serve users and organisational buyers seeking email and meeting admin…
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StableStable · -31% CAGR over 4y
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Computed from 5 filingsDevelops a digital learning platform for healthcare education featuring 3D simulations, interactive lessons, quizzes and flashcards. Content is mapped to dentistry, nursing and dental hygiene…
Serves a mix of B2B and B2C healthcare education buyers: universities, healthcare training programmes, corporate sales/marketing and L&D teams, and students in dentistry, dental hygiene and nursing.
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HealthyHealthy · Hiring · 35% CAGR over 4y
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Computed from 3 filingsDevelops sales engagement and value management software that helps teams create customer‑specific business cases and ROI analyses. The platform supports pre‑sales, sales and customer success teams…
Sells to B2B sales, pre-sales, value engineering, customer success and marketing teams that need to build ROI-based business cases for prospects and customers.
Financial Health
WeakWeak · -7% CAGR over 2y
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Provides alternative data analytics platform for investment managers, integrating multiple third‑party and proprietary datasets with financial KPIs. Enables data discovery, evaluation and modelling…
Serves institutional investors and investment teams, including hedge funds, asset managers, pension funds and asset owners, plus alternative data vendors seeking access to discretionary investor…
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N/AN/A
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Computed from 5 filingsProvides AI-based software platform for digital advertising teams that collects and analyses impression-level campaign and transaction data, automates reporting and data consolidation, and optimises…
Sells to B2B advertisers, biddable media teams and paid media agencies managing multi-platform digital advertising campaigns, including marketing and digital data leaders seeking campaign performance…
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StableStable · -3% CAGR over 4y
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Computed from 3 filingsDevelops product performance management software for e‑commerce retailers. Platform analyses product‑level marketing and business data, manages product catalogue promotion, and generates dynamic…
Serves e-commerce retailers and online brands, targeting performance marketers, digital designers, category managers and CMOs responsible for product-level advertising, catalogues and creative.
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DistressedDistressed · -15% CAGR over 2y
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Computed from 5 filingsProvides cloud communications platforms including CPaaS messaging, voice, video and email APIs, plus contact centre and unified communications services. Offers chatbots, campaign management,…
Serves businesses adopting customer engagement, contact centre and collaboration platforms, including customer experience, IT and workforce teams. Targets organisations needing CPaaS, UCaaS and…
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DistressedDistressed · -7% CAGR over 4y
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How Firebase 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. SaaS companies are identified using Firmbase's semantic classification of company activity, built from filings, websites and registered SIC codes rather than SIC codes alone. The detected counts and share figures on this page are computed within that sector cohort, so "share" always means share of SaaS companies with a detectable system — not of all UK companies.
Freshness
Websites are re-crawled on a rolling basis and the underlying company data is refreshed from Companies House continuously; filings appear within days of submission. The list and its statistics are regenerated when the detected cohort moves meaningfully. You can see the last-updated timestamp near the top of the page.
Firebase 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 UK SaaS companies use Firebase?
What share of UK SaaS companies run Firebase?
How is Firebase usage detected?
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