Bookkeeping Companies Using Squarespace in the UK: 88 Active Firms (2026)
Bookkeeping firms running hosted website-builder sites provide accounting records, payroll support and compliance administration to UK employers.
Hosted website-builder use in bookkeeping usually points to a practice that treats the website as a front door for recurring service work, rather than as a brochure left untouched after incorporation. The stack suits firms that need editable service pages, enquiry capture, client onboarding links and appointment booking without maintaining an in-house web team. For this sector, adoption tends to signal a scaled local or regional operator: payroll, VAT and management-reporting services are packaged for employers, with partners or operations staff able to change copy, forms and calls to action as service lines shift.
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The UK cohort is 88 actively trading bookkeeping firms running the stack, with reported employment across them of 710 people. Within detected content-management-system use for bookkeeping firms, from a base of 2,487 sites, the stack sits in fourth place at 3.5%; the first-ranked platform accounts for 73.1%, followed by 7.7% and 3.7%. Regional concentration is tilted towards the South East at 23.9% and London at 15.9%, with the West Midlands at 11.4%, the East of England at 9.1% and the South West at 8.0%.
Bookkeeping websites sit close to operational processes, even when the site itself is a hosted template layer. Enquiry forms, onboarding questionnaires and appointment booking can pull personal and payroll-adjacent information into web workflows before a client has signed terms. That makes consent wording, data retention, access rights and supplier permissions more than a web-design issue. The vendor structure also matters: hosted website builders often bundle hosting, templates, analytics connectors and commerce-ready payment features, so procurement tends to focus on who controls form submissions, cookie settings, backups and offboarding if the practice later changes stack.
Adoption appears to sit in the pragmatic middle of the bookkeeping market. Smaller practices can publish a credible service site without hiring a developer, while more complex firms may outgrow template constraints once client portals, content governance and integrations become central to acquisition. The cohort is therefore likely to remain weighted towards practices with direct web-led enquiry generation and packaged recurring services. Migration pressure tends to come from marketing teams asking for more control, or from compliance teams wanting clearer ownership of forms, cookies and client-onboarding journeys.
Adoption by company size
Adoption of Squarespace varies by company size across the trading UK bookkeeping companies in this cohort. 0.4% of the 16,109 companies with under 10 employees run Squarespace (62 detected). 3.1% of the 830 companies with 10–50 employees run Squarespace (26 detected). 0% of the 42 companies with over 50 employees run Squarespace (0 detected). That is a 0.4% gap between the over 50 employees and under 10 employees bands.
88
Active firms
2026
3.5%
Of detected CMS share
UK bookkeeping
7
Median headcount
Filed accounts
145
Verified contacts
Across this cohort
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Key facts
3% of the cohort was incorporated since 2022 (3 firms), so a sizeable share is in its first few filing cycles.
Among 2,487 bookkeeping firms with a detectable CMS, Squarespace accounts for 3.5% (88) of sites, behind WordPress at 73.1% (1,817), Wix at 7.7% (192) and Joomla at 3.7% (93).
The detected Squarespace-running bookkeeping cohort skews towards the South East, which has 23.9% (21), followed by London at 15.9% (14) and the West Midlands at 11.4% (10).
Google Analytics appears on 27.3% (24) of these sites, while Intuit QuickBooks and Google Tag Manager each appear on 11.4% (10).
Accounting & Audit covers 100.0% (88) of the cohort, with overlapping tags for Management Consulting at 8.0% (7) and Wealth Management at 3.4% (3).
CMS market share among UK Bookkeeping
What else do Squarespace-running Bookkeeping run?
Share of the 88 Squarespace-running UK companies where each technology was also detected. As of June 2026.
Where Squarespace Bookkeeping 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.
7
Median headcount
£288.5K
Median UK turnover
0%
Above £5M turnover
3
Incorporated since 2022
145 verified decision-maker contacts
across these 88 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK Bookkeeping 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 4 filingsProvides bookkeeping and outsourced payroll services for businesses. Handles payroll processing, HMRC‑compliant submissions, auto‑enrolment administration, VAT returns, credit control, and cash flow…
Serves UK businesses of all sizes, from start-ups and local Hampshire firms to multinational corporations, particularly employers seeking outsourced payroll and bookkeeping support.
Financial Health
DistressedDistressed
Location
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Financial sub-scores
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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Financial sub-scores
Computed from 5 filingsProvides accountancy and bookkeeping services for businesses and individuals, including VAT preparation, payroll and PAYE administration, corporate and personal tax returns, tax planning, and…
Serves local businesses, non-audit clients and individuals in the Rotherham area needing accountancy, taxation, payroll and business planning support.
Financial Health
WeakWeak · -3% CAGR over 4y
Location
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Financial sub-scores
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 5 filingsProvides bookkeeping and financial operations services for small businesses, including payroll, credit control, accounts payable and receivable, and financial reporting. Integrates cloud accounting…
Serves small businesses and business owners needing outsourced bookkeeping and finance operations, with a secondary focus on accountancy practices seeking bookkeeping support.
Financial Health
DistressedDistressed · -5% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides bookkeeping, year-end accounts preparation, VAT returns, CIS declarations, management accounts, payroll coordination and personal tax return services for sole traders and companies,…
Serves sole traders, contractors, subcontractors and businesses of all sizes, from small firms to large corporations, as well as individuals needing personal tax return support.
Financial Health
HealthyHealthy · -8% CAGR over 4y
Location
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Financial sub-scores
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 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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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 outsourced bookkeeping and financial operations services for small businesses, freelancers and startups, including payroll processing, credit control, accounts payable and receivable,…
Serves small businesses, freelancers and startups, plus accountancy partners, mainly buyers seeking outsourced bookkeeping and finance operations support using Xero or QuickBooks.
Financial Health
WeakWeak · Hiring · 4% CAGR over 3y
Location
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Financial sub-scores
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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Financial sub-scores
Computed from 4 filingsProvides bookkeeping and outsourced payroll services for businesses, including payroll processing, HMRC‑compliant submissions, auto‑enrolment administration, VAT returns, credit control, and cash…
Serves UK businesses of all sizes, from start-ups and local firms to multinational corporations, especially employers needing outsourced payroll and bookkeeping support.
Financial Health
WeakWeak · 2% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy and tax services including bookkeeping, management accounts, payroll and auto‑enrolment, VAT returns, self‑assessment tax returns, corporation tax, CIS, capital gains tax, and…
Serves individuals and small businesses, including sole traders, partnerships and limited companies, as well as employers and construction-sector contractors under CIS.
Financial Health
StableStable · -6% CAGR over 4y
Location
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Financial sub-scores
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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Financial sub-scores
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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Financial sub-scores
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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Financial sub-scores
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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Financial sub-scores
Computed from 5 filingsProvides accountancy and taxation services including preparation of statutory and abbreviated accounts, corporation tax and self‑assessment returns, bookkeeping, payroll, VAT returns, and financial…
Serves local businesses in East Lothian, including small and medium limited companies, sole traders and partnerships, plus clubs, societies, associations and individuals.
Financial Health
StableStable · Hiring · 12% 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 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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Financial sub-scores
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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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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Financial sub-scores
Computed from 5 filingsProvides accountancy and business advisory services including accounts preparation, tax compliance, bookkeeping, VAT returns, payroll and pension auto‑enrolment administration, company formations,…
Serves SMEs, sole traders, partnerships, limited company directors and VAT-registered businesses, plus employees and pensioners needing personal tax support, primarily around Kingswinford and the…
Financial Health
HealthyHealthy
Location
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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 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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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 5 filingsProvides accountancy services for small businesses, contractors and landlords, including preparation of accounts, self‑assessment tax returns, bookkeeping, VAT returns, payroll, CIS reporting,…
Serves small businesses, start-ups, contractors, landlords and individuals needing tax returns, including sole traders, partnerships and limited companies in the Bury St Edmunds area.
Financial Health
StableStable · 0% CAGR over 4y
Location
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Financial sub-scores
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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Financial sub-scores
Computed from 3 filingsProvides accountancy and tax services for business owners, including limited company accounts, corporation tax returns, self‑assessment tax returns, payroll with auto‑enrolment pensions, VAT returns,…
Serves UK business owners, particularly limited company directors and small businesses, with clients in Wokingham and across the UK.
Financial Health
StableStable · Hiring · 18% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy services for sole traders, partnerships and limited companies, including bookkeeping, payroll, VAT and Making Tax Digital compliance, CIS returns, year‑end and management…
Serves sole traders, partnerships and limited companies, including newly self-employed people and established small business owners needing accountancy support in and around Colchester.
Financial Health
StableStable · Hiring · 6% CAGR over 4y
Location
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Financial sub-scores
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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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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Financial sub-scores
Computed from 5 filingsProvides accounting services including bookkeeping, payroll, tax and VAT compliance, and financial reporting. Advises startups, limited companies, landlords and self‑employed clients, and supports…
Serves a mix of business and individual clients, including start-ups, limited companies, self-employed professionals, landlords, and construction contractors/subcontractors across media, health,…
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
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Financial sub-scores
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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Financial sub-scores
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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Financial sub-scores
Computed from 3 filingsProvides accountancy services for small businesses, sole traders, partnerships and limited companies, including bookkeeping, payroll, management accounts, preparation of annual accounts,…
Serves small businesses, partnerships, sole traders, business start-ups and limited companies across the Midlands, particularly Nottingham, Hucknall, Mansfield and Derby.
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 2y
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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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 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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Financial sub-scores
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 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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Financial sub-scores
Computed from 3 filingsProvides accountancy and financial advisory services including annual and management accounts, bookkeeping, auditing, payroll, and tax compliance. Also offers business planning, forensic accounting,…
Serves a mix of businesses and individuals, including new ventures, growing companies, business owners, and personal clients needing tax, financial, probate, wills and estate planning support in…
Financial Health
DistressedDistressed · 3% CAGR over 3y
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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Financial sub-scores
Computed from 4 filingsProvides chartered accountancy and business advisory services, including tax planning and compliance, bookkeeping, payroll management, and support for business start-ups. Also offers accounting and…
Serves SMEs, business start-ups, employers and medical sector clients, alongside individuals or organisations with tax-related accountancy needs.
Financial Health
DistressedDistressed · -5% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsProvides accounting and business advisory services including bookkeeping, management information reporting, financial performance reviews, business planning support, and guidance on regulatory…
Serves businesses and their owners, with content aimed at B2B clients managing compliance, day-to-day finance, business planning and sector competitiveness rather than individual consumers.
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
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 3 filingsProvides accounting and tax advisory services for individuals and businesses, including bookkeeping, statutory accounts preparation, personal tax returns, payroll and pensions administration, and VAT…
Serves UK businesses and individuals, including owner-managed firms, start-ups, freelance professionals, medical practitioners, trading/wholesale/manufacturing businesses, and personal tax clients…
Financial Health
StableStable · 0% CAGR over 2y
Location
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Financial sub-scores
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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Financial sub-scores
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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Financial sub-scores
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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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. bookkeeping 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 bookkeeping 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.
Sources
- Payroll Outsourcing Market Size & Share Analysis - Growth Trends and Forecast (2026 - 2031)
- Market Size (2026): USD 13.21 Billion.
- Market Size (2031): USD 17.83 Billion.
- Growth Rate (2026 - 2031): 6.19% CAGR.
- North America accounted for 40.70% of 2025 revenue.
- Asia-Pacific is the fastest-growing region at an 8.78% CAGR through 2031.
Squarespace is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
UK Bookkeeping by CMS
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Frequently asked questions
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