SaaS Companies Using Squarespace in the UK: 218 Active Firms (2026)
SaaS companies running a hosted website and commerce platform sell subscription cloud software while using managed web storefront infrastructure in the UK.
For SaaS providers, a hosted web-and-commerce platform tends to sit between marketing, revenue operations and customer success rather than pure IT. It handles campaign pages, pricing journeys, form capture, documentation-like product education and, in some cases, self-serve checkout or account conversion. Adoption usually signals a lean commercial team that wants controlled publishing without maintaining a bespoke content stack. The fit is clearest where the product is sold to business users, the website carries qualification and onboarding work, and engineering time is better spent on the core application than on the public site.
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Within UK SaaS adoption, 218 actively trading companies run this hosted web-and-commerce platform. It ranks fourth among detected CMS technologies in the sector, with a 5.6% share of a 3,900-company comparison set. The regional pattern is London-weighted: London accounts for 35.3% of the cohort, followed by the South East at 13.8%, the South West at 10.6%, the West Midlands at 7.3% and the East of England at 6.4%. Employment reporting is complete, with 113 of 113 firms reporting headcount and 2,028 employees in total.
The ICO is the main regulator readers will encounter in this slice of SaaS, because the public website often collects prospect, trial-user and customer-account data before a contract is signed. UK GDPR and the Data Protection Act shape consent, retention, processor terms and security governance, while consumer and contract law become relevant where self-serve buying is offered. Cloud dependency adds a separate market-structure point: CMA work on UK public cloud infrastructure has found competition concerns and remedies, with attention on strategic market status investigations into dominant infrastructure providers. That scrutiny does not create a SaaS licensing regime.
Adoption appears most durable where marketing teams need low-friction publishing and commerce features, but do not yet justify a heavier content-management or product-led growth stack. Among SaaS firms, that points to founder-led and early-commercial teams, plus some scale-ups using the platform for campaign sites rather than the core application. Migration pressure tends to emerge when localisation, experimentation, account-based marketing or security review workflows become harder to manage in a managed-site model. The category may therefore keep a useful role as an entry point and satellite-site layer, while larger SaaS operators consolidate web, analytics and CRM operations elsewhere.
Adoption by company size
Adoption of Squarespace rises with company size across the trading UK SaaS companies in this cohort. 0.4% of the 37,913 companies with under 10 employees run Squarespace (149 detected). 3.2% of the 1,886 companies with 10–50 employees run Squarespace (61 detected). 4.8% of the 166 companies with over 50 employees run Squarespace (8 detected). That is a 4.4% gap between the over 50 employees and under 10 employees bands.
218
Active firms
2026
5.6%
Of detected CMS share
UK SaaS
6
Median headcount
Filed accounts
500
Verified contacts
Across this cohort
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Key facts
About 2% of the trading cohort reports turnover above £5M (5 of 218 firms) — the rest sits below that revenue band.
12% of the cohort was incorporated since 2022 (27 firms), so a sizeable share is in its first few filing cycles.
SaaS firms running the hosted CMS account for 5.6% (218) of the 3,900 SaaS firms with a detectable CMS, fourth by detected share behind systems on 60.2% (2,347), 15.9% (621) and 5.7% (223).
London accounts for 35.3% (77) of the cohort, followed by the South East at 13.8% (30) and the South West at 10.6% (23).
A tag-management tool also appears on 44.5% (97) of the cohort, an analytics tool on 43.1% (94) and a web-infrastructure service on 27.5% (60).
SaaS suppliers are not generally licensed as a single sector; exposure usually comes through UK GDPR, the Data Protection Act 2018, cyber security, contract law and customer-sector rules.
Cloud dependency is under competition scrutiny after the CMA closed its public-cloud infrastructure services case on 31 July 2025, reporting an adverse effect on competition and recommending remedies.
CMS market share among UK SaaS
What else do Squarespace-running SaaS run?
Share of the 218 Squarespace-running UK companies where each technology was also detected. As of June 2026.
Where Squarespace 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
£381.1K
Median UK turnover
2.3%
Above £5M turnover
27
Incorporated since 2022
500 verified decision-maker contacts
across these 218 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK SaaS using Squarespace
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 software for managing marketing activation and sourcing processes. Platform supports supplier sourcing, RFQ/RFP management, procurement workflows, e‑commerce ordering of POS and…
Serves B2B brand marketing and procurement teams, marketing service providers and agencies, particularly multinational brands managing point-of-sale, promotional, premiums and packaging activation…
Financial Health
HealthyHealthy · Hiring · 9% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsDevelops and operates social media management software that enables users to plan, schedule, and publish posts across multiple platforms, analyze performance metrics, manage audience engagement,…
Serves B2B and B2C users managing social media, especially creators, small businesses, agencies, nonprofits, and higher education teams seeking tools for publishing, analytics, community management,…
Financial Health
HealthyHealthy · -18% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides a software-as-a-service platform for retailers to manage dropshipping and curated marketplace operations. Software connects retailers with suppliers, synchronises inventory, manages product…
Serves B2B retailers and ecommerce organisations, particularly supply chain, category, dropship and online trading teams managing large product ranges and supplier networks.
Financial Health
StrongStrong · Hiring · 33% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsDevelops software for wealth management and financial planning firms, providing branded client portals and mobile apps with secure messaging, document sharing, digital onboarding, workflow automation…
Serves B2B financial services firms, including wealth managers, financial planners, discretionary fund managers, multi-family offices, platforms, providers and private banks managing high-net-worth…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides an email and contact data platform for sales and recruitment teams. Offers email and phone lookup, a Chrome extension, prospect search portal, outreach campaign tools, AI email…
Serves B2B sales teams, recruiters and hiring teams, from startups to Fortune 500 companies, that need professional contact data for prospecting and outreach.
Financial Health
StrongStrong · Hiring · 8% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides a contact data platform that helps sales and recruitment teams find professional email addresses and phone numbers. Offers a searchable database, Chrome extension, API access, data…
Serves B2B sales teams, recruiters, recruitment coordinators, and data/operations teams at startups, mid-market firms, and Fortune 500 companies.
Financial Health
StrongStrong · Growing · 0% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsDevelops and operates a digital loyalty and engagement platform for businesses. Provides tools such as rewards, points, referrals, challenges and promotions that help organisations incentivise…
Serves B2B organisations with large customer or member bases, including gym chains, fitness brands, football clubs, insurers, travel companies and financial institutions seeking loyalty and…
Financial Health
StrongStrong · Hiring · 60% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides software for managing corporate giving and employee volunteering programmes, including payroll giving, donation matching, charity payments, grant management, reporting, and charity due…
Serves HR, CSR/ESG and community engagement teams at large enterprises, especially banks, building societies and other global corporations managing employee giving, volunteering and grant programmes…
Financial Health
StableStable · -2% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsDevelops and provides a web-based B2B e‑commerce and procurement platform for suppliers of workwear, uniforms, PPE and equipment. The system manages employee ordering, approvals, multi-branch…
Serves B2B workwear, uniform, PPE, equipment and consumables suppliers, plus multi-branch businesses in sectors such as care homes, hygiene, packaging, retail, hospitality, food service and…
Financial Health
StrongStrong · 58% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides an online platform and API that aggregates data from 300+ official company registers worldwide, enabling businesses to verify companies, retrieve corporate filings and documents, and…
Sells to regulated businesses, compliance teams, and software platforms that need business verification, AML/KYB onboarding, official company data, and UBO checks across international jurisdictions.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsDevelops software tools that provide a gateway API for accessing and standardising accounting data from multiple platforms, enabling developers and businesses to integrate with systems such as Xero,…
Sells to software businesses and IT professionals building products that need access to customers’ accounting data, especially UK-focused apps serving businesses using Xero, QuickBooks, Sage,…
Financial Health
HealthyHealthy · Growing, Hiring · 3% CAGR over 4y
Location
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Computed from 5 filingsDevelops and provides SaaS pharmacy management and CRM software for community pharmacies, including patient medication record systems, dispensing workflow management, SMS patient communication,…
Sells to community pharmacies and pharmacy groups of all sizes, including independent pharmacies and multi-branch operators.
Financial Health
StableStable · Hiring · 46% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsDevelops retail management software for multi‑channel retailers, including merchandise management, order management, point‑of‑sale, business intelligence, and merchandising planning systems that…
Serves B2B retail and wholesale organisations, especially multi-store and omnichannel retailers in fashion, apparel, footwear, general merchandise, outdoor and sports, jewellery, perfume and gifts.
Financial Health
WeakWeak · -17% CAGR over 3y
Location
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Computed from 5 filingsProvides a sales intelligence platform offering company insights, brand activity signals, and curated contact data to help businesses identify prospects, research organisations, and connect with…
Serves B2B sales, business development and partnerships teams, particularly in charity and arts, HR and people services, marketing, and sport and entertainment organisations.
Financial Health
WeakWeak · -4% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsDevelops workforce assessment and analytics software that evaluates candidates and employees using skills mapping, cognitive and personality testing, and video analysis. The platform supports…
Serves employers, HR teams, recruitment teams and talent leaders managing hiring, workforce development, internal mobility, performance, wellbeing and succession planning across candidate and…
Financial Health
StableStable · -18% CAGR over 4y
Location
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Financial sub-scores
Computed from 2 filingsDevelops financial data aggregation and analytics software for banks, lenders and pension providers. Provides APIs and tools for transaction categorisation, customer data enrichment, segmentation,…
Serves banks, lenders, pension providers, wealth managers and master trusts seeking data-driven personalisation, decisioning and payments capabilities for digital financial services.
Financial Health
StableStable · 0% CAGR over 1y
Location
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Computed from 5 filingsDevelops and supplies cloud-based software systems for hospitality businesses and charity retailers, including tools for staff and people management, performance monitoring and operational support,…
Sells to hospitality businesses and charity retailers, serving organisations that manage staff, volunteers, retail operations and customer engagement in these sectors.
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsDevelops and operates a SaaS treasury management platform for corporate finance teams. The software provides tools for cash and treasury operations, shared reference data, reporting, and API…
Sells to corporate treasury teams, treasurers, and business finance operations in organisations that need shared access, integrations, and subscription-based treasury system management.
Financial Health
StrongStrong · Hiring · 26% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides an online contact discovery and outreach platform offering email and phone lookup for professionals. Includes a searchable database, Chrome extension, data enrichment tools, API access,…
Serves B2B sales teams, recruiters, recruitment coordinators and growth teams, including users in Fortune 500 companies and startups seeking professional contact data for prospecting, hiring and…
Financial Health
StrongStrong · Hiring · 22% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides digital software solutions that replace manual business processes, including workplace visitor check‑in systems, parcel management tools, event lead capture mobile apps, and data cleaning…
Serves businesses of all sizes across industries, including workplaces managing visitors, staff, contractors and parcels, plus marketing, data and event teams using digital data tools.
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 5 filingsDevelops and provides Halo, a case management software system for organisations supporting people with domestic abuse, substance misuse and mental health needs. Features include client records, task…
Serves organisations delivering complex-needs support, including domestic abuse, substance misuse and mental health services. Targets case workers, service managers and multi-agency teams in…
Financial Health
StableStable · -68% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides cloud-based automation and case management software for credit control, accounts receivable, debt recovery and legal workflows. Platform includes CRM, workflow automation, customer…
Serves B2B and public-sector buyers, including councils, local authorities, government bodies, law firms, finance teams, contact centres, credit control, accounts receivable, debt recovery and…
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsDevelops and provides creatiogreen, a configurable SaaS platform used by awarding organisations, membership bodies and training providers to manage qualifications, learner registration, assessment…
Serves B2B and public sector organisations delivering regulated or non-regulated training, courses, products or qualifications, including awarding organisations, membership and professional bodies,…
Financial Health
StableStable · -4% CAGR over 4y
Location
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Computed from 4 filingsDevelops and provides software platforms for business performance management and employee engagement. Products centralise KPI data, track sales channel performance, and manage incentive, recognition…
Serves large enterprises and global brands with frontline workforces, sales channels and partner networks, including automotive, energy and retail organisations operating across multiple countries.
Financial Health
StableStable · -4% CAGR over 5y
Location
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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…
Financial Health
StrongStrong · Hiring · 6% CAGR over 4y
Location
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Computed from 5 filingsDevelops data privacy and governance software that classifies sensitive data and enforces privacy and sovereignty controls across data pipelines. Provides tools to secure data in transit and at rest,…
Serves enterprises and regulated organisations with large data estates, especially data, security, privacy and compliance teams managing APIs, databases, cloud platforms and AI use cases.
Financial Health
WeakWeak · -11% CAGR over 4y
Location
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Computed from 3 filingsProvides a cloud-based technology platform for credit unions and community lenders, enabling online account access, digital loan applications, automated lending workflows, member communications,…
Sells to B2B affordable finance providers, including credit unions, community lenders and ethical lenders seeking digital member services, lending, marketing and payments capabilities.
Financial Health
WeakWeak · -3% CAGR over 2y
Location
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Computed from 3 filingsProvides returns management software and reverse logistics services for e-commerce retailers, including online return portals, box-free drop-off locations, item verification, fraud detection tools,…
Serves e-commerce merchants and omnichannel retailers managing high-volume consumer returns, particularly retail operations, customer experience, and loss prevention teams concerned with shopper…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 2y
Location
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Computed from 5 filingsDevelops delivery and shipping management software for e‑commerce and retail businesses. Platform connects to multiple parcel carriers, enabling checkout shipping options, label generation, tracking,…
Serves e-commerce and retail brands, logistics and warehouse operations teams, and businesses with high-volume multi-carrier delivery needs, alongside technology partners such as ERP, WMS and payment…
Financial Health
StableStable · -58% CAGR over 4y
Location
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Computed from 5 filingsProvides a data platform delivering litigation intelligence on UK High Court cases, aggregating and analysing claims data, outcomes, judges and parties to help law firms and in-house legal teams…
Serves UK law firms, disputes lawyers, legal knowledge and business development teams, and in-house legal departments at corporates involved in High Court litigation.
Financial Health
StrongStrong · Hiring · 24% CAGR over 4y
Location
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Computed from 5 filingsDevelops and provides case management software for organisations supporting people with domestic abuse, substance misuse and mental health needs. The system includes client records, multi‑agency…
Serves organisations providing complex-needs support, including domestic abuse, substance misuse and mental health services, with users such as case workers, clinical teams and service administrators.
Financial Health
StableStable · 0% CAGR over 5y
Location
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Computed from 4 filingsProvides cloud-based software for managing authorised signatory lists, bank mandates and authorised trader records. The platform digitises approval authorities, maintains audit trails, and enables…
Sells to businesses, especially large global enterprises, serving company secretariat, corporate treasury, trading and compliance teams that manage authorised signatories, bank mandates and trader…
Financial Health
StableStable · Hiring · 28% CAGR over 3y
Location
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Computed from 4 filingsDevelops and supplies Case Manager, a case management software platform used by charities and public sector organisations to manage client cases, workflows, documents, communications, compliance…
Serves B2B and public-sector organisations that manage complex client cases, including charities, advice/support services, government bodies, police and local authorities, from small teams to large…
Financial Health
HealthyHealthy · Hiring · 3% 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
Location
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Computed from 5 filingsDevelops actuarial modelling software and provides consulting and training services for insurance companies. Its R3S software suite supports financial, risk and actuarial analysis, including…
Serves insurers and insurance-sector actuarial, risk, finance and regulatory teams needing modelling, reporting and consulting support for financial analysis, risk management and regulatory change.
Financial Health
HealthyHealthy · -1% CAGR over 4y
Location
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Computed from 5 filingsDevelops web-based financial modelling and visualisation software for the pension industry. Provides actuarial and investment analytics tools, dashboards and drag‑and‑drop modelling environments,…
Serves B2B clients in the pension industry, including actuarial and investment teams, pension scheme consultants, trustees, sponsors, and organisations managing multiple pension plans or financial…
Financial Health
StableStable · Hiring · 24% CAGR over 4y
Location
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Computed from 5 filingsDevelops a platform for building and deploying AI agents that automate business tasks within tools such as Slack, Microsoft Teams, Google Workspace, and marketing platforms. Provides ready‑made…
Sells to SMEs and enterprises, particularly marketing, e-commerce, operations, customer support, customer success and SaaS teams using tools such as Slack, Microsoft Teams, Google Workspace and…
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 4y
Location
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Computed from 3 filingsDevelops software for travel data management, integrating booking, expense and supplier data into unified datasets. Provides analytics, reporting tools, virtual payment card processing and data…
Serves corporate travel teams, travel management companies and travel agencies managing business travel programmes, client reporting, payments and expense workflows.
Financial Health
StrongStrong · Growing, Hiring · 250% CAGR over 2y
Location
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Computed from 5 filingsDevelops digital pre‑operative assessment software used by healthcare providers to screen and prepare patients for surgery. The MyPreOp platform collects patient health information, supports clinical…
Serves NHS trusts and healthcare providers, particularly pre-operative assessment teams, clinicians and elective surgery services managing surgical patients and waiting lists.
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
Location
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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…
Financial Health
StrongStrong · Hiring · 22% CAGR over 4y
Location
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Computed from 5 filingsDevelops software for hotels providing a digital guest experience platform. Features include mobile food and beverage ordering, digital guest directories, and mobile concierge tools enabling guests…
Serves hotel operators, hotel chains and hospitality brands, particularly commercial, operations, food and beverage, and guest experience teams managing in-property guest services.
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 4y
Location
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Computed from 5 filingsDevelops and provides local SEO software and services for businesses and marketing agencies. Platform tracks local search rankings, audits SEO performance, manages business listings and citations,…
Serves marketing agencies and consultants, small businesses, and multi-location brands, with users including local marketers managing search presence for one or many business locations.
Financial Health
StrongStrong · Growing, Hiring · 25% CAGR over 4y
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Computed from 5 filingsProvides a data platform offering real-time information on companies and industries. Supplies sector classifications, company datasets, analytics tools, and API access for researching markets,…
Serves public sector bodies, academic researchers, financial services firms, investors, trade associations, economic consultants, commercial property teams and B2B sales teams needing company and…
Financial Health
HealthyHealthy · -51% CAGR over 4y
Location
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Computed from 5 filingsDevelops workforce management software for organisations including universities and sports clubs. Systems manage casual staff bookings, timesheets, payroll processes, compliance, scheduling, training…
Serves UK institutions with casual workforces, especially universities and sports clubs, selling to coordinators, HR/payroll teams and management responsible for staffing, compliance, budgets and…
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
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Computed from 5 filingsDevelops and provides the SafeZone platform, a cloud‑based safety and emergency management system that enables organisations to monitor people’s locations, receive alerts, manage incidents, and…
Sells to B2B and public sector organisations responsible for duty of care and incident response, especially higher education institutions, healthcare providers, government agencies, global…
Financial Health
StableStable · -65% CAGR over 4y
Location
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Computed from 5 filingsProvides online political monitoring tools that track parliamentary publications, debates, media coverage and politicians’ social media posts. Offers searchable databases, alerts and reporting…
Sells to B2B public affairs and communications teams in organisations of all sizes and sectors, especially professionals tracking political and parliamentary issues in the UK and internationally.
Financial Health
HealthyHealthy · Hiring · 50% CAGR over 4y
Location
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Computed from 4 filingsDevelops software for migrating, archiving, replicating and synchronising enterprise service management data between platforms such as ServiceNow, CRM, HR and DevOps systems, enabling cross‑platform…
Serves B2B organisations with IT, service management, HR, GRC, CRM, PPM and DevOps teams that need data moved between ServiceNow and other enterprise platforms, including global companies undertaking…
Financial Health
HealthyHealthy · Hiring · 22% CAGR over 3y
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Computed from 3 filingsProvides a cloud-based image CDN and digital asset platform for hosting, managing, and dynamically processing images. Enables resizing, optimization, responsive delivery, zoom and 360‑spin viewers,…
Serves businesses and teams running image-heavy websites and apps, especially ecommerce brands, retailers and agencies using platforms such as Shopify, Magento, WooCommerce, BigCommerce and…
Financial Health
HealthyHealthy · 0% CAGR over 2y
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Computed from 5 filingsDevelops a software platform that applies data analytics and artificial intelligence to help technology service providers analyse service contracts, identify cost savings, reduce customer churn risk,…
Sells to B2B technology and IT service providers, including delivery and commercial teams managing service contracts and customer accounts.
Financial Health
StableStable · -73% CAGR over 4y
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How Squarespace 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.
Squarespace 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
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