Bookkeeping Companies Using Amazon S3 in the UK: 67 Active Firms (2026)
Bookkeeping firms running cloud object storage in the UK manage accounts, payroll and tax workflows with web-facing file infrastructure.
Client document exchange is the practical centre of gravity for bookkeeping and payroll providers using object storage. The stack tends to support upload areas, web reports, payslip distribution, archived working papers and marketing-site assets rather than stand-alone infrastructure products. Adoption usually signals a practice with enough recurring client work to need managed file handling, but not necessarily a large internal engineering team; many will rely on web agencies, outsourced IT or packaged practice systems. The commercial buyer is often an owner-manager, operations lead or finance-technology contact, with engagements shaped around reliability, access control and predictable client servicing.
Read more
Only 67 UK bookkeeping firms are actively trading with this object-storage stack detected on their public web estate. Reported employment across the cohort totals 1,961, which points to adoption beyond sole-practitioner websites. Within the detected CDN category, the stack ranks second at 8.5% of a 791-firm accounting-and-audit comparison set; the first-ranked option accounts for 89.9%. London accounts for 34.3% of users, followed by the South East at 16.4%, Yorkshire and The Humber at 13.4%, the North West at 10.4% and the West Midlands at 7.5%.
Client files handled by bookkeeping and payroll providers often contain payroll identifiers, bank details, tax records and director information, so object storage sits inside a GDPR and ICO risk frame even when the website use case looks operationally routine. Procurement tends to be less formal than in regulated financial services, but the buyer still has to evidence access controls, retention practices, backup arrangements and processor terms. The vendor ecosystem is usually mediated through web developers, managed-service providers or practice-software integrations, which can make accountability for configuration and permissions less direct than the contractual chain suggests.
Adoption appears likely to remain pragmatic: bookkeeping practices need client-facing document flows, but many do not have the engineering depth to treat storage architecture as a separate strategic layer. Bundled practice platforms and managed web services may absorb more of the visible file-handling work, leaving standalone object storage mainly where firms have bespoke portals, heavier reporting workflows or legacy web estates. Consolidation in practice software also tends to reduce the number of tools a small finance-services provider wants to manage, though migration caution remains high where archived payroll and tax material is involved.
Adoption by company size
Adoption of Amazon S3 rises with company size across the trading UK bookkeeping companies in this cohort. 0.3% of the 16,109 companies with under 10 employees run Amazon S3 (50 detected). 1.6% of the 830 companies with 10–50 employees run Amazon S3 (13 detected). 7.1% of the 42 companies with over 50 employees run Amazon S3 (3 detected). That is a 6.8% gap between the over 50 employees and under 10 employees bands.
67
Active firms
2026
8.5%
Of detected CDN share
UK bookkeeping
5
Median headcount
Filed accounts
136
Verified contacts
Across this cohort
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Key facts
About 5% of the trading cohort reports turnover above £5M (4 of 67 firms) — the rest sits below that revenue band.
1% of the cohort was incorporated since 2022 (1 firms), so a sizeable share is in its first few filing cycles.
Among 791 bookkeeping firms with a detectable CDN, this cloud object-storage system accounts for 8.5%, behind the largest detected alternative at 89.9%.
Storage detection is not isolated: 100.0% of the cohort also show wider cloud-infrastructure technology.
Website stacks frequently pair storage with publishing and measurement tools, with 46.3% showing a CMS, 40.3% tag management, and 37.3% web analytics.
London accounts for 34.3% of bookkeeping firms running cloud object storage, followed by the South East at 16.4% and Yorkshire and The Humber at 13.4%.
Sector tags overlap beyond Accounting & Audit, with SaaS on 11.9%, Wealth Management on 9.0%, and Management Consulting on 6.0% of the cohort.
Hosting & PaaS market share among UK Bookkeeping
Share of the 791 UK Bookkeeping with a detectable system. As of June 2026.
What else do Amazon S3-running Bookkeeping run?
Share of the 67 Amazon S3-running UK companies where each technology was also detected. As of June 2026.
Where Amazon S3 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.
5
Median headcount
£271.8K
Median UK turnover
6%
Above £5M turnover
1
Incorporated since 2022
136 verified decision-maker contacts
across these 67 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK Bookkeeping using Amazon S3
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 filingsProvides payroll services for contractors and recruitment agencies, including PAYE umbrella payroll, CIS payment processing, and payroll bureau services. Manages HMRC deductions, compliance checks,…
Serves UK recruitment agencies, startups and their temporary contractor workforces, including PAYE umbrella workers, CIS contractors, limited-company and self-employed contractors needing compliant…
Financial Health
HealthyHealthy · Profitable · -9% CAGR over 2y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 4 filingsProvides online accounting software and accountancy services for freelancers, contractors and small businesses. Offers bookkeeping tools, tax advice, self‑assessment filing, payroll processing, and…
Serves freelancers, contractors, sole traders, limited companies and small businesses, including e-commerce businesses, seeking accountancy support and software.
Financial Health
DistressedDistressed
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides accountancy and business advisory services including bookkeeping, audit, tax planning and compliance, payroll administration, management accounts, corporate finance advice, company…
Serves a mix of B2C and B2B clients across England and Wales, including individuals, contractors, sole traders, partnerships, limited companies and LLPs.
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 2y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 4 filingsProvides online accountancy services for freelancers, contractors, e‑commerce sellers and small businesses, including bookkeeping, VAT returns, tax filings, company formation, and accounts…
Serves UK freelancers, contractors, ecommerce and online retailers, content creators, consultants and small businesses, including new limited companies and SMEs switching accountants.
Financial Health
StrongStrong
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides outsourced payroll services for businesses, schools and accountancy firms, including payroll processing, staff payments via BACS, pension administration, compliance support, and online…
Serves UK organisations needing payroll support, including commercial clients, schools, academies and multi-academy trusts, plus accountancy firms seeking outsourced payroll for their clients.
Financial Health
DistressedDistressed · Hiring · 5% CAGR over 2y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides chartered accountancy and business advisory services, including audit, bookkeeping, payroll, tax planning and compliance. Also offers company secretarial support, HR consultancy, cloud…
Sells primarily to businesses seeking accountancy, tax and advisory support, especially SMEs. Also serves business owners and individuals needing personal wealth and tax advice, with most clients in…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides accounting and business advisory services including audit, bookkeeping, payroll, cloud accounting, tax planning, VAT advice, corporate finance, and banking and restructuring support, working…
Serves local SMEs and owner-managed businesses across Gloucestershire and Herefordshire, plus charities and organisations in construction, health and social care, hospitality, manufacturing,…
Financial Health
WeakWeak · Hiring · 4% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Provides payroll and workforce administration services for recruitment agencies and organisations engaging contingent workers. Operates an online platform handling payslips, timesheets, expenses,…
Serves recruitment agencies and client organisations that use contingent workers, from large organisations with high-volume workforce needs to firms with specialist niche requirements; also supports…
Financial Health
N/AN/A
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides accounting and bookkeeping services for small and medium-sized businesses, including payroll and CIS processing, tax and VAT return preparation, business advisory support, HR assistance, and…
Serves new and existing small to medium businesses, landlords, letting agents and local clubs or not-for-profit organisations, primarily around Sileby and Loughborough.
Financial Health
HealthyHealthy · Hiring · 9% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides umbrella company and payroll processing services for contractors, agency workers and self‑employed professionals. Handles wage payments, tax deductions and HMRC and IR35 compliance, enabling…
Serves a mix of B2C and B2B customers, including contractors, agency workers, consultants, self-employed workers, entrepreneurs, startups, and small to medium-sized businesses needing outsourced…
Financial Health
StrongStrong · Hiring · 152% CAGR over 5y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides outsourced payroll bureau services for businesses, including payroll processing, payslip production, RTI submissions to HMRC, workplace pension auto‑enrolment administration, handling PAYE…
Serves UK businesses, from single-director companies to employers with up to 1,000 staff, including local clients in Manchester, Stockport, Macclesfield, Alderley Edge, Wilmslow and Cheshire.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 4 filingsProvides accountancy and financial management services for businesses and charities, including audit and accounts, payroll, tax advice, virtual finance department support, accounting software setup…
Targets SMEs, growth-stage companies, start-ups, business incubators and charities, particularly founders, finance directors and charity leaders responsible for financial operations.
Financial Health
StableStable · 2% CAGR over 3y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 4 filingsProvides chartered certified accountancy services for businesses and individuals, including preparation of accounts, tax compliance and advisory services. Offers cloud accounting support, financial…
Serves small companies, local organisations and individual clients in Pembrokeshire, including business owners and finance staff seeking accountancy and tax support.
Financial Health
HealthyHealthy · -3% CAGR over 3y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 2 filingsProvides accounting, audit and assurance, tax advisory, bookkeeping, payroll and HR outsourcing, and corporate finance services. Also offers company secretarial, forensic accounting, wealth…
Serves UK and international businesses, including start-ups, growing companies, firms planning exits, charities and not-for-profits, plus clients in renewable energy, travel and hospitality.
Financial Health
WeakWeak · -3% CAGR over 1y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 4 filingsDevelops online accounting software and provides accountancy services for freelancers, contractors and small businesses. Services include bookkeeping tools, tax advice, self‑assessment filing,…
Serves freelancers, contractors, sole traders, small limited companies and e-commerce businesses, including owner-directors and small business owners.
Financial Health
StableStable
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides accountancy and business advisory services including auditing, bookkeeping, payroll, VAT and tax advice, corporate finance, restructuring, and cloud accounting, and support for buying or…
Serves UK businesses and organisations of varying stages, including charities, construction, health and social care, hospitality, manufacturing, professional services, property, recruitment and…
Financial Health
DistressedDistressed · 0% CAGR over 2y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides accountancy and business advisory services to SMEs, including preparation of annual accounts and tax returns, bookkeeping, VAT and payroll processing, management accounts, cashflow…
Serves SMEs and owner-managed businesses in Chelmsford, Tiptree and Essex, from start-ups to larger established companies.
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides accountancy and tax services for businesses and individuals, including accounts preparation, tax returns, payroll, and compliance. Supports cloud accounting using Xero and FreeAgent, and…
Serves small businesses, owner-managers and individuals in the Wokingham area, including FreeAgent and Xero users and people focused on business growth, personal wealth or retirement planning.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 4 filingsProvides payroll, residuals management, production accounting and financial administration services for film and television productions. Offers digital tools and support including payroll workflows,…
Serves film and television production companies, studios, broadcasters and production accounting teams, from individual productions to corporate entertainment groups and international entertainment…
Financial Health
StrongStrong · Hiring · 123% CAGR over 3y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides accounting and business advisory services including accounts preparation, tax planning, management reporting, payroll, auditing, VAT support and corporate finance advice to businesses and…
Serves owner-managed businesses in Yorkshire, with sector focus including charities, construction, health and social care, hospitality, manufacturing, professional services, property, recruitment and…
Financial Health
HealthyHealthy · -5% CAGR over 2y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides accounting, audit, tax, payroll and business advisory services to businesses and individuals. Offers outsourced finance functions, compliance support and consulting, including tax planning,…
Serves UK businesses of varied sizes, especially micro, small and medium-sized companies, as well as business owners and individuals seeking local accountancy and advisory support.
Financial Health
StableStable · -62% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides chartered accountancy services including statutory and management accounts, bookkeeping, payroll, tax compliance and advisory, audits, and financial planning. Also advises on business…
Serves UK businesses and individuals, including start-ups and established companies, with sector focus on manufacturing, medical professions and retail, plus clients needing audit, tax, accounting…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 2y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Provides accounting and business advisory services including audit and assurance, bookkeeping, payroll and HR outsourcing, tax planning and compliance, corporate finance, company secretarial support,…
Serves start-ups, growing businesses, companies planning exits, overseas businesses setting up in the UK, charities and not-for-profits, and clients in renewable energy, travel and hospitality,…
Financial Health
N/AN/A
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides accountancy and advisory services including statutory accounts preparation, independent audits, tax planning and compliance, VAT returns, payroll processing, bookkeeping, and financial…
Serves SMEs, entrepreneurs and high net worth individuals across the UK and Asia, with sector focus on retail, restaurants and bars, private investments and real estate.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides accountancy and business advisory services to businesses and individuals, including auditing, corporate and personal tax planning, payroll processing, VAT support, company secretarial…
Serves business owners and organisations of all sizes across the UK, with emphasis on North West businesses, regulated firms, charities and sports-sector clients; also supports individuals needing…
Financial Health
StableStable · 3% CAGR over 2y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides umbrella employment and payroll services for contractors and recruitment agencies, including PAYE payroll processing, CIS payment administration, and limited company accountancy support.…
Serves recruitment agencies, end clients and UK contractors, including temporary workers, CIS contractors and limited company contractors needing umbrella payroll, PAYE and accountancy support.
Financial Health
WeakWeak · -84% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides accountancy and tax services for contractors, freelancers, sole traders and small businesses. Services include bookkeeping, VAT, payroll, CIS returns and refunds, tax returns, management…
Serves contractors, freelancers, sole traders and small limited companies, including self-employed workers and small business owners seeking accounting and tax support.
Financial Health
WeakWeak · -18% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Provides accountancy and tax advisory services including VAT returns, corporate and personal tax, accounts preparation, and Making Tax Digital compliance. Supports businesses, landlords and sole…
Serves local small businesses, landlords and sole traders in West Sussex and Surrey, including business owners needing accountancy, VAT, corporate tax, personal tax and Making Tax Digital support.
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides accountancy services including accounts preparation, tax return completion, bookkeeping and payroll processing. Advises businesses on financial management and supports use of accounting…
Serves businesses across a variety of sectors, alongside individuals needing self-assessment support, with a focus on clients seeking accountancy and business advice.
Financial Health
StableStable · 2% CAGR over 2y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 4 filingsProvides accountancy and financial advisory services for businesses and individuals, including bookkeeping, payroll, VAT and tax compliance, corporate finance, business planning, mergers and…
Serves businesses and individual clients needing accountancy and tax support, with emphasis on SMEs and owner-managed firms in construction, healthcare, care homes, property and real estate, plus…
Financial Health
StableStable · 0% CAGR over 3y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 4 filingsProvides accounting and business advisory services including auditing, bookkeeping, payroll, tax planning, VAT advice, corporate finance, restructuring support, and probate and estate administration…
Serves UK businesses, charities and individuals, with sector focus on construction, health and social care, hospitality, manufacturing and engineering, professional services, property, recruitment…
Financial Health
StrongStrong · Growing, Hiring · 18% CAGR over 3y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides accounting and financial management services for startups and small businesses, including bookkeeping, tax compliance, year‑end accounts, R&D tax credit claims, and fractional CFO support,…
Serves startup founders and small businesses, from bootstrapped to scaling firms, across tech, SaaS, agencies, professional services, e-commerce, food and drink, consumer goods and retail.
Financial Health
HealthyHealthy · Growing · 2% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides accountancy and tax advisory services to businesses and individuals, including bookkeeping, accounts preparation, company formation, payroll, VAT and tax return filing, and support with…
Serves businesses and private individuals, including start-ups, sole traders, partnerships, limited companies, property investors and landlords needing accountancy and tax support.
Financial Health
StableStable
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides accounting and tax services for small and medium-sized businesses and self‑employed clients, including bookkeeping, payroll, HMRC and Companies House returns, company formation, company…
Serves small to medium-sized businesses, startups and self-employed individuals requiring accountancy support for HMRC and Companies House compliance.
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Provides accountancy and business advisory services including bookkeeping, financial reporting, tax compliance, and payroll processing through an associated payroll service for businesses and…
Serves businesses and employers in Kent, including clients needing accountancy, business advisory and payroll-related support.
Financial Health
N/AN/A
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides accountancy services for start-ups, sole traders, partnerships and limited companies, including accounts preparation, financial statements, tax and VAT returns, payroll processing,…
Serves UK start-ups, sole traders, partnerships and small to medium-sized limited companies across varied trades and professions.
Financial Health
WeakWeak · Hiring · 11% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides accountancy services for startups and small to medium businesses, including accounts preparation, financial statements for limited companies, tax and VAT returns, payroll and auto‑enrolment…
Serves B2B customers including start-ups, sole traders, partnerships, limited companies, and small to medium-sized businesses across a range of trades and professions, with clients accommodated…
Financial Health
StableStable
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides chartered accountancy and business advisory services including accounts preparation, audit, VAT returns, bookkeeping, payroll, and tax planning. Advises businesses and individuals on cash…
Serves businesses, business owners, trusts and private individuals across North Wales and beyond, including clients starting, managing, buying or selling businesses and those with personal tax or…
Financial Health
StableStable · -71% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides accountancy, audit and tax advisory services to businesses and individuals, including bookkeeping, payroll, statutory audits, tax planning and compliance, self-assessment returns, company…
Serves businesses and individuals, including hospitality firms, freelancers, contractors, construction businesses, medical professionals, expatriates and clients with UK inbound or outbound tax…
Financial Health
StrongStrong · Growing, Hiring · 9% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides accounting, audit and tax services, bookkeeping and payroll, business and tax advisory, personal tax, wealth, wills and probate planning, and cryptocurrency tax advice to individuals and…
Serves business owners and organisations, alongside individuals needing personal tax, wealth, wills, probate or crypto tax support.
Financial Health
StableStable · Hiring · 15% CAGR over 2y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides accountancy and audit services for businesses and individuals, including tax planning and self‑assessment, payroll management, financial planning, and business advisory services. Also offers…
Serves UK businesses of varying sizes, private clients and family estates, with sector focus on agriculture, charities, land development, landed estates, leisure and hospitality, property and…
Financial Health
StableStable · Hiring · 11% CAGR over 2y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides accountancy and tax services for businesses and individuals, including bookkeeping, payroll, audit, company formation, corporate tax planning, VAT support, and self‑assessment. Also advises…
Serves small and owner-managed businesses, sole traders, landlords, contractors, startups, charities and professional clients, plus individuals needing personal tax support, with in-person coverage…
Financial Health
StableStable · 0% CAGR over 2y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides accountancy services for businesses and startups, including preparation of accounts and financial statements for sole traders, partnerships and limited companies, tax and VAT compliance,…
Serves UK start-ups, sole traders, partnerships, limited companies and small to medium-sized businesses across varied trades and professions.
Financial Health
WeakWeak · Hiring · 19% CAGR over 3y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides chartered accountancy and business advisory services to owner-managed businesses, including auditing, tax planning, company accounts, payroll, financial support, and strategic business…
Serves ambitious directors of owner-managed businesses across Wakefield and Yorkshire, particularly growing firms facing management, financial or operational pressures.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Provides accounting and payroll services for businesses, including payroll processing, tax and financial compliance support, and business advisory. Also offers related administrative documentation…
Serves business clients and employers in Kent, including organisations needing accountancy, business advisory and payroll support.
Financial Health
N/AN/A
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides accounting and audit services, tax planning and compliance for businesses and individuals, bookkeeping and payroll, business and tax advisory, and support with wealth management, wills and…
Serves businesses and business owners needing accounting, audit, payroll and tax support, plus individual clients seeking personal tax, wealth, wills and probate advice, including self-employed…
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 5 filingsProvides outsourced accounting and finance services, including bookkeeping, financial reporting, tax and compliance support, and back‑office CFO services. Supports businesses and accounting firms…
Serves B2B clients including small businesses, accounting firms, property management companies, travel businesses and medical clinics, with stated markets in the US, UK and New Zealand.
Financial Health
HealthyHealthy · Hiring · 19% CAGR over 4y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides accounting and tax advisory services for individuals and businesses, including annual accounts preparation, bookkeeping, payroll, VAT and corporation tax, personal tax returns, management…
Serves small businesses and self-employed customers, including start-ups, companies, partnerships, charities, CIS subcontractors and landlords, as well as individual taxpayers seeking accounting,…
Financial Health
StableStable · Hiring · 14% CAGR over 2y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides chartered accountancy and business advisory services including audit, accounts preparation, tax compliance and advisory, VAT, payroll, R&D tax relief, company secretarial support, outsourced…
Serves ambitious small and growing businesses, owners and directors, primarily in Yorkshire and the UK, with sector focus on charities, not-for-profits, healthcare, rural economy, property/service…
Financial Health
HealthyHealthy · Hiring · 9% CAGR over 2y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Financial sub-scores
Computed from 3 filingsProvides accountancy and tax advisory services to businesses and individuals, including statutory accounts, management accounts, corporate tax calculations, VAT submissions, payroll, self‑assessment…
Serves private individuals, business owners, start-ups and limited companies in Chiswick and nearby west London areas needing accounting, tax and compliance support.
Financial Health
StableStable · 0% CAGR over 2y
Location
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
Unlock all 67 leads
Showing 50 of 67 — +17 more with verified decision-maker contacts, live data, and CRM sync.
How Amazon S3 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.
Amazon S3 is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
UK Bookkeeping by Hosting & PaaS
Other Bookkeeping technology
Related directories
Frequently asked questions
How many UK bookkeeping companies use Amazon S3?
What share of UK bookkeeping companies run Amazon S3?
How is Amazon S3 usage detected?
What size bookkeeping companies use Amazon S3 in the UK?
What do Amazon S3-running bookkeeping companies also run?
Can I get contact details for these companies?
Search 67 UK companies by the hosting & PaaS technology they run.
Find the right decision-makers, see verified company data, and export your list in seconds.