Accounting Companies Using Squarespace in the UK: 121 Active Firms (2026)
Accounting practices running hosted site builders provide bookkeeping, tax and audit services through public websites across the UK.
For small accounting practices, a hosted site builder sits between brochureware and a full agency-managed web stack: templates, content editing, forms and simple integrations are bought as a managed service rather than built in-house. Adoption tends to signal a modest marketing budget, partner-led content ownership and a direct-enquiry posture, especially where bookkeeping, tax, payroll and advisory work are sold to local business clients. It also suggests that the firm wants a controlled public presence without maintaining a developer team, while keeping enough flexibility for service pages, contact forms, appointment booking and occasional payment flows.
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In the UK, 121 accounting practices running this hosted builder are actively trading. Reported headcount totals 1,021 across the cohort, so the employment footprint is small but not just sole-practitioner activity. Within the accounting-and-audit website CMS mix, the platform ranks third, with 3.9% share across 3,124 detected sites. The regional distribution tilts towards the South East (20.7%) and London (18.2%), followed by the East Midlands (10.7%), West Midlands (9.9%) and East of England (9.1%).
Statutory audit is a regulated activity, and the FRC is the Competent Authority responsible for public supervision of UK statutory auditors. Audit firms are registered and supervised through Recognised Supervisory Bodies, with Audit Qualifications offered by Recognised Qualifying Bodies. For practices running a hosted builder, the practical issue is less the CMS itself than control of claims, privacy notices, enquiry forms and any payment or document-upload paths attached to the site. Marketing pages need to distinguish tax, bookkeeping and advisory work from audit services where authorisation is relevant.
Adoption appears to sit in the pragmatic middle of the accountancy web stack. Practices that need deep portal functionality, content governance or complex search visibility tend to move towards agency-managed builds or practice-management portals, while sole-practitioner-style firms may stay with lighter brochure sites. For the hosted-builder cohort, the likely pressure is incremental: more embedded booking, payments, client onboarding and analytics, rather than wholesale replacement. Consolidation among audit practices may also pull smaller branded sites into group-level web estates, leaving the tool most visible among local advisory and tax firms that still sell through direct enquiries.
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 Squarespace varies by company size across the trading UK accounting companies in this cohort. 0.3% of the 34,652 companies with under 10 employees run Squarespace (88 detected). 2.8% of the 1,209 companies with 10–50 employees run Squarespace (34 detected). 0% of the 60 companies with over 50 employees run Squarespace (0 detected). That is a 0.3% gap between the over 50 employees and under 10 employees bands.
121
Active firms
2026
3.9%
Of detected CMS share
UK accounting
6
Median headcount
Filed accounts
242
Verified directors
Across this cohort
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Key facts
6% of the cohort was incorporated since 2022 (8 firms), so a sizeable share is in its first few filing cycles.
Hosted site-builder users account for 3.9% (121) of 3,124 Accounting & Audit companies with a detectable CMS, ranking below the two largest CMS categories.
South East and London have the largest registered-region shares in this cohort, at 20.7% (25) and 18.2% (22).
A web-analytics tag is detected on 27.3% (33) of these sites, while tag-management tooling appears on 9.9% (12).
Statutory audit remains a regulated activity: the FRC is the Competent Authority under the Statutory Auditors and Third Country Auditors Regulation 2016.
Registered statutory audit firms fell to 3,760 in 2024 from 5,007 in 2020, a 24.9% decline over five years.
CMS market share among UK Accounting
Share of the 3,124 UK Accounting with a detectable system. As of June 2026.
What else do Squarespace-running Accounting run?
Share of the 121 Squarespace-running UK companies where each technology was also detected. As of June 2026.
Where Squarespace Accounting 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
£306.7K
Median UK turnover
0%
Above £5M turnover
8
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 195 companies, alongside financials and websites, in one CSV file.
Top UK Accounting 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 5 filingsProvides accountancy and tax advisory services including bookkeeping, payroll, audit, tax planning and compliance. Supports limited companies, SMEs and sole traders with cloud accounting, financial…
Serves sole traders, startups, SMEs, limited companies and larger businesses, mainly across Lancashire and the North West, plus individuals needing tax, mortgage or financial planning support.
Financial Health
HealthyHealthy · -1% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides chartered accountancy and registered audit services, including bookkeeping, VAT advice, payroll support, and business advisory for companies. Assists with accounting records, tax compliance,…
Serves small businesses and local business owners in Toomebridge and surrounding areas needing accountancy, VAT, bookkeeping, payroll and business advisory support.
Financial Health
StrongStrong · Hiring · 8% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsProvides accounting, tax and audit services to businesses and individuals, including year‑end accounts preparation, bookkeeping, payroll, VAT returns, self‑assessment tax returns, corporation tax…
Serves business owners and SMEs, companies needing statutory or specialist audit reports, shareholders, trusts and estates, and individuals with personal tax affairs.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 5y
Location
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Financial sub-scores
Computed from 2 filingsProvides chartered accountancy services to businesses including preparation of annual accounts, statutory audits, corporation tax returns, payroll, bookkeeping and VAT services, and advice for…
Serves business owners, start-ups and limited companies of varying sizes across most of Scotland, including firms with audit requirements and organisations seeking ongoing accounting administration…
Financial Health
DistressedDistressed · 0% CAGR over 1y
Location
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Financial sub-scores
Computed from 5 filingsProvides chartered accountancy services including preparation of business accounts, bookkeeping, tax compliance and planning, payroll, and company secretarial support. Also offers corporate finance…
Serves owner-managed businesses, business owners, high-net-worth individuals and specialist sectors including barristers, charities, estate agents, property and construction, technology, and trusts…
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides accountancy and audit services, tax planning and compliance, corporate finance, and strategic business advisory. Supports businesses and individuals with bookkeeping, cloud accounting…
Serves businesses, self-employed professionals and regulated bodies, with sector focus on digital and technology, events and hospitality, fashion, media and creative, music and entertainment,…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides chartered accountancy and audit services including financial accounts preparation, bookkeeping, payroll, and company secretarial support. Advises on corporate and personal tax, VAT,…
Sells to businesses and individual taxpayers, with particular focus on business owners seeking accounting support and specialist services for the legal, property and charity sectors in Northern…
Financial Health
StableStable · 0% CAGR over 4y
Location
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Provides accountancy services for businesses and individuals, including bookkeeping, payroll, VAT returns, accounts preparation, and tax planning. Offers advice for self‑employed people and limited…
Serves businesses and individuals in Sheffield and South Yorkshire, including self-employed people, limited companies, business owners, and clients needing personal tax support.
Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 3 filingsProvides chartered accountancy and business advisory services, including bookkeeping, payroll, management accounts, audit, corporate and personal tax planning, R&D tax claims, due diligence, and…
Serves ambitious owner-managed and growing family businesses, entrepreneurs and sector clients in property, recruitment, manufacturing, engineering, professional services, eCommerce and legal…
Financial Health
StableStable · -2% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy and audit services including statutory accounts preparation, tax compliance and planning, payroll, and bookkeeping. Advises business start-ups and established organisations on…
Serves private individuals, start-ups, small owner-managed businesses and national or large corporations across varied sectors, including clients needing UK or international tax support.
Financial Health
WeakWeak · -3% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides accounting, audit and tax compliance services for businesses and individuals. Offers business planning and advisory, corporate finance, bookkeeping and cloud accounting support, workplace…
Serves small businesses, regulated bodies, self-employed people and individuals, particularly in digital, technology, events, hospitality, fashion, media, creative, music, entertainment, property and…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Computed from 5 filingsProvides accountancy and business advisory services to SMEs, including bookkeeping, payroll, year‑end accounts, and tax compliance. Uses cloud accounting tools to manage finances, streamline…
Serves SME business owners and growing companies across the UK that need ongoing accountancy, payroll, compliance, and financial advice support.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides accountancy, tax advisory and business advisory services for businesses, including financial accounting, bookkeeping, VAT returns, payroll management and business development guidance, with…
Serves businesses and professionals needing accounting, tax, bookkeeping, VAT and payroll support, with clients across the south of England, including London, plus national and international clients.
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Computed from 4 filingsProvides accountancy and bookkeeping services for businesses and individuals, including annual accounts, corporation tax and personal tax returns, VAT, payroll, company secretarial work, management…
Sells to small and mid-sized businesses needing accounting support, including owner-managed firms and sole traders, as well as individuals requiring personal tax returns, such as the self-employed,…
Financial Health
StrongStrong · Hiring · 44% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy and tax services for small businesses, start-ups, self‑employed individuals and landlords. Services include bookkeeping, preparation of accounts and tax returns, VAT and payroll…
Serves start-ups, established businesses of any size, self-employed professionals, buy-to-let landlords and holiday home owners needing accountancy and tax support.
Financial Health
WeakWeak · -4% CAGR over 4y
Location
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Computed from 5 filingsProvides chartered accountancy and business advisory services to small and medium-sized enterprises, including preparation of accounts, tax compliance, bookkeeping, payroll and pensions, support with…
Serves small and medium-sized enterprises across all sectors, particularly farming businesses, professional services firms and other business services companies, as well as start-ups and…
Financial Health
StrongStrong · Hiring · 3% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy services for small businesses and self‑employed clients, including bookkeeping, tax return preparation, payroll, CIS administration, pension auto‑enrolment, limited company…
Serves small business owners across the UK, including start-ups, growing limited companies, self-employed people, contractors and CIS construction businesses.
Financial Health
StableStable · Hiring · 21% CAGR over 4y
Location
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Computed from 5 filingsProvides accountancy services for businesses including bookkeeping, payroll processing, tax returns, year-end accounts and financial advice. Also supports clients with cloud accounting software such…
Serves small, owner-managed and family-run businesses across varied sectors, including limited companies and entrepreneurs seeking a long-term accountancy partner.
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
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Computed from 5 filingsProvides accounting, tax advisory and audit services for businesses and individuals. Offers support with tax planning, inheritance tax, digital accounting software, compliance, Making Tax Digital…
Serves businesses, business owners, individuals, sole traders and landlords, with a stated focus on fourth sector organisations such as co-operatives, community interest companies, societies and…
Financial Health
StableStable · -1% CAGR over 4y
Location
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Computed from 5 filingsProvides audit, accounting, tax, payroll and financial reporting services, along with training, consultancy and in‑house finance support, primarily for charities, social enterprises and non‑profit…
Serves charities, social enterprises and other non-profit organisations, particularly teams and leaders involved in positive social change.
Financial Health
HealthyHealthy
Location
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Computed from 3 filingsProvides accountancy and financial advisory services including tax planning, corporation tax returns, audit, payroll and compliance. Supports businesses and individuals with self‑assessment, capital…
Serves businesses from solo entrepreneurs to large corporations, plus individuals needing personal tax support. Also targets medical-sector clients and organisations requiring bespoke advisory…
Financial Health
StableStable · 4% CAGR over 2y
Location
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Computed from 4 filingsProvides accountancy and business advisory services including preparation of financial statements, tax compliance and dispute resolution, bookkeeping and VAT reporting, payroll and CIS processing,…
Serves businesses in the South Yorkshire area, particularly local SMEs and owner-managed companies seeking accountancy, tax, payroll and business advisory support.
Financial Health
StableStable · -6% CAGR over 3y
Location
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Computed from 5 filingsProvides chartered accountancy, tax advisory and audit services to businesses and individuals. Offers financial reporting and compliance support, dispute and forensic investigation services,…
Serves SMEs, business owners and private clients, including organisations requiring audit support and individuals seeking personal tax, wealth or probate advice across varied industries.
Financial Health
StableStable · -11% CAGR over 5y
Location
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Provides accountancy services including bookkeeping, payroll administration, preparation of tax returns, and tax advisory services. Also offers business advice and support to small and medium-sized…
Serves businesses, particularly SMEs, seeking outsourced accounting support. Targets business owners needing bookkeeping, payroll, tax returns, tax advice and broader business advice, with a clear…
Financial Health
N/AN/A
Location
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Computed from 5 filingsProvides accountancy, tax advisory and auditing services to businesses and individuals. Offers financial reporting, tax planning, HMRC compliance support and business advisory services, and acts as a…
Serves businesses, companies and individual clients across London, Essex and the South East of England, including Xero users and organisations requiring audit support.
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
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Computed from 4 filingsProvides accountancy services including preparation of service charge accounts, statutory accounts, payroll processing, and tax compliance. Also supports audits through associated audit providers and…
Serves B2B clients, primarily businesses seeking an accountancy partner, with a specific focus on organisations responsible for service charge accounts alongside audit, payroll and taxation clients.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides chartered certified accountancy services including auditing, financial accounts preparation, tax planning and returns, PAYE administration, bookkeeping and compliance support for…
Serves individual taxpayers, business partnerships and directors of limited companies seeking accountancy support, including both experienced clients and those new to managing financial…
Financial Health
StrongStrong · Hiring · 14% CAGR over 4y
Location
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Computed from 3 filingsProvides accountancy, tax and auditing services for businesses and individuals. Offers financial reporting, bookkeeping, tax compliance and planning, and business advisory services, including support…
Serves a mix of business and individual clients, from small firms to larger organisations, plus private individuals needing accountancy, tax and advisory support.
Financial Health
StableStable · 0% CAGR over 2y
Location
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Computed from 5 filingsProvides chartered accountancy and tax advisory services to individuals and companies, including bookkeeping, payroll, VAT support, company accounts and financial statements, management accounts,…
Serves individuals, limited companies and company owners in the South East, including medium and large businesses and clients with personal or business accounting and tax needs.
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides accounting, bookkeeping, payroll, cloud accounting, tax planning and compliance, and financial advisory services. Supports start-ups and high‑growth companies with forecasting, reporting,…
Serves start-ups and high-growth businesses, mainly in fintech, energy and innovative technology, plus sectors such as crypto/blockchain, real estate, software, FMCG, manufacturing, textiles and…
Financial Health
HealthyHealthy · Hiring · 22% CAGR over 4y
Location
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Computed from 5 filingsProvides accountancy services for individuals and owner‑managed businesses, including preparation of statutory accounts, tax planning and returns, company formation and secretarial services, VAT and…
Serves individuals, entrepreneurs and owner-managed businesses, including limited company directors, primarily in Cambridgeshire.
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides accounting and tax services to businesses, including bookkeeping, VAT returns, tax planning, preparation of accounts, payroll, company secretarial support, corporate finance advice, and…
Serves growth-focused SMEs and business owners, particularly in Motherwell and Lanarkshire, that need ongoing accountancy, tax planning and business advisory support.
Financial Health
DistressedDistressed · -3% CAGR over 4y
Location
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Computed from 5 filingsProvides accounting and tax services including bookkeeping, VAT returns, payroll processing, company accounts preparation, personal and corporate tax returns, tax planning, management accounts, and…
Serves small businesses, limited companies and individuals in Coventry, Birmingham and Derby, with sector focus on e-commerce, landlords, manufacturing, pharmacies, retail and wholesale, and care…
Financial Health
StrongStrong · Hiring · 29% CAGR over 4y
Location
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Computed from 5 filingsProvides accounting and bookkeeping services for businesses, including preparation of statutory accounts, corporation tax and self‑assessment returns, payroll processing, PAYE and CIS reporting, and…
Serves UK businesses of all shapes and sizes, including limited companies, start-ups and employers needing payroll or CIS support, plus business owners and individuals requiring personal tax returns…
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 4y
Location
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Computed from 5 filingsProvides accounting services including bookkeeping, payroll, VAT returns, financial accounts preparation, corporation and personal tax returns, capital gains and inheritance tax planning, and company…
Sells to businesses at every stage, from start-ups to established companies, needing accountancy support. Also serves individual taxpayers requiring personal tax, capital gains, and inheritance tax…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides accountancy and tax services for businesses and individuals, including bookkeeping, VAT returns, payroll, financial accounts, and HMRC compliance support. Also offers business advisory and…
Serves entrepreneurs, fast-growth businesses, limited companies, LLPs, partnerships, sole traders and landlords across Hampshire, the South East and London, including ecommerce, construction,…
Financial Health
WeakWeak · Hiring · 14% CAGR over 4y
Location
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Computed from 4 filingsProvides accountancy and business advisory services including preparation of annual accounts, payroll administration, tax planning and compliance, VAT returns, service charge accounts, company…
Serves business clients in Hoddesdon and Hertfordshire, including companies needing accountancy, tax, payroll, VAT, cloud accounting and company formation support.
Financial Health
StableStable · 0% CAGR over 3y
Location
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Computed from 5 filingsProvides accountancy and tax services for businesses and individuals, including bookkeeping, payroll administration, statutory accounts preparation, VAT advice, self‑assessment and tax returns, tax…
Serves small businesses and organisations, including limited companies, sole traders, partnerships, start-ups, private landlords, academies and charities, plus individuals with tax affairs.
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 4 filingsProvides accountancy services for businesses, including bookkeeping, VAT returns, payroll processing, tax returns, and preparation of annual accounts, along with administrative support related to…
Serves small and owner-managed businesses across Hampshire, including local companies seeking ongoing accountancy, payroll and tax support.
Financial Health
HealthyHealthy · Hiring · 71% CAGR over 3y
Location
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Computed from 4 filingsProvides accountancy services to businesses including preparation of annual accounts, tax planning and compliance, VAT returns, payroll processing, bookkeeping, company formation support, and…
Serves business clients, including new and established companies, needing ongoing accountancy support across the business lifecycle. Targets owners and finance decision-makers seeking general…
Financial Health
WeakWeak · 2% CAGR over 3y
Location
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Computed from 3 filingsProvides accounting and tax services for businesses and individuals, including bookkeeping, payroll processing, accounts preparation, VAT returns, tax return filing, financial reporting, and business…
Serves small and medium owner-managed businesses, private individuals, clubs and associations needing accounting and tax support, primarily in the UK.
Financial Health
WeakWeak · -7% CAGR over 2y
Location
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Computed from 5 filingsProvides accountancy services for small businesses, including bookkeeping, payroll and CIS administration, VAT returns, year-end accounts, tax planning, and personal tax returns. Also offers company…
Serves small businesses and business owners in Kent and across the UK, including limited companies, contractors and employers seeking outsourced finance and tax/accounting support.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides chartered accountancy services including tax planning and returns, financial accounts preparation, audit and compliance, and business advisory. Supports business start‑ups, offers…
Serves private individuals, start-ups and established businesses of varying sizes in Swadlincote and surrounding areas, including owners seeking tax, compliance and business advisory support.
Financial Health
StableStable · 2% CAGR over 4y
Location
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Computed from 3 filingsProvides accountancy services for businesses and individuals, including bookkeeping, preparation of financial accounts, tax and financial advice, and business consultancy. Also offers support with…
Serves businesses and individuals throughout Essex, London and the East of England, including sole traders, small start-ups and larger established companies.
Financial Health
WeakWeak · -7% CAGR over 2y
Location
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Computed from 5 filingsProvides accountancy services to businesses including bookkeeping, payroll processing, tax compliance, and advisory services, as well as support with digital accounting systems and Making Tax Digital…
Serves small and local businesses in the West Midlands, particularly business owners and finance teams looking for an accountancy practice familiar with common accounting software and Making Tax…
Financial Health
WeakWeak
Location
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Computed from 5 filingsProvides accountancy and tax advisory services for businesses and individuals, including accounts preparation, bookkeeping, payroll and VAT returns, tax compliance and planning, self‑assessment, HMRC…
Serves businesses of all sizes, start-ups and private clients across the north of Scotland, including company owners, self-assessment taxpayers, trusts and estates with accountancy and tax…
Financial Health
StrongStrong · 4% CAGR over 3y
Location
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Computed from 5 filingsProvides outsourced accounting and finance services for businesses, including bookkeeping, monthly management accounts, VAT returns, corporation tax, payroll setup, and financial reporting, using…
Serves entrepreneurs, finance directors and fast-growing B2B companies, particularly in tech/IT and real estate, seeking outsourced finance team support.
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 4y
Location
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Computed from 2 filingsProvides accounting and tax services for businesses and individuals, including accounts preparation, corporation tax, bookkeeping, management accounts, payroll and pensions, VAT registration, company…
Serves start-ups, small and growing businesses, entrepreneurs, CICs and not-for-profit organisations, alongside individuals needing tax support. Also works with businesses from early advice through…
Financial Health
HealthyHealthy · 0% CAGR over 1y
Location
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Computed from 5 filingsProvides accounting and bookkeeping services for businesses, including statutory accounts, tax compliance, payroll, VAT, and self‑assessment. Also offers financial management support, business…
Serves business owners and small companies in the Linlithgow and Falkirk area, including clients needing ongoing accountancy, compliance and financial management support.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
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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. accounting 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 accounting 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
How many UK accounting companies use Squarespace?
What share of UK accounting companies run Squarespace?
How is Squarespace usage detected?
What size accounting companies use Squarespace in the UK?
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