Accounting Companies Using Microsoft Clarity in the UK: 79 Active Firms (2026)
Accounting firms using website analytics in the UK provide audit, tax and advisory services while measuring website behaviour for client acquisition.
For accountancy practices, session-replay and behavioural analytics sit between the public website, enquiry forms and marketing reporting. The usual buying centres are business development, partner-led service lines and outsourced website teams, with compliance or risk functions setting limits on what can be tracked. Adoption tends to signal a practice with a direct-channel client acquisition posture, enough marketing budget to test service-page journeys, and a need to explain which audit, tax or payroll content turns visitors into enquiries. Engagements are usually website optimisation and attribution work rather than large enterprise analytics programmes.
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UK adoption is a small slice of the accounting and audit category: 79 trading companies are running this analytics stack. Within detected analytics tools for the sector, it ranks fifth, with 4.6% of a 1,712-company denominator. Employment reporting is unusually complete, with all 47 firms that report headcount disclosing staff numbers and 2,080 employees between them. The regional skew is London at 27.8%, South East at 13.9%, East of England at 12.7%, North West at 10.1% and West Midlands at 8.9%.
Statutory audit is a regulated activity, and the FRC acts as the Competent Authority for public supervision of UK statutory auditors. Audit firms are registered and supervised through recognised accountancy bodies, while audit qualifications sit within a separate recognised-body framework. For firms running behavioural analytics, the practical issue is less the tool itself than governance around client confidentiality, cookie consent, form tracking and evidence that marketing measurement does not leak audit or tax-client information into sales workflows. Procurement is therefore likely to involve website, marketing and compliance stakeholders rather than marketing alone.
Accounting practices appear likely to treat behavioural analytics as an adjunct to search, content and referral marketing rather than a standalone system of record. Adoption tends to follow a pragmatic pattern: marketing teams add journey insight, partners ask for clearer attribution, and compliance teams narrow what can be captured. Many adopters look small in headcount, so churn and replacement may matter as much as new take-up. Vendor bundling around tag management and website platforms may keep standalone analytics tools under pressure, while regulated-service buyers favour configurations that minimise personal-data exposure and are easy to evidence internally.
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 Microsoft Clarity rises with company size across the trading UK accounting companies in this cohort. 0.1% of the 34,652 companies with under 10 employees run Microsoft Clarity (46 detected). 2.3% of the 1,209 companies with 10–50 employees run Microsoft Clarity (28 detected). 11.7% of the 60 companies with over 50 employees run Microsoft Clarity (7 detected). That is a 11.6% gap between the over 50 employees and under 10 employees bands.
79
Active firms
2026
4.6%
Of detected Analytics share
UK accounting
8
Median headcount
Filed accounts
194
Verified directors
Across this cohort
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Key facts
About 5% of the trading cohort reports turnover above £5M (4 of 79 firms) — the rest sits below that revenue band.
3% of the cohort was incorporated since 2022 (3 firms), so a sizeable share is in its first few filing cycles.
Among 1,712 UK accounting and audit firms with a detectable analytics system, the tracked system ranks fifth by detected share at 4.6% (79), behind systems at 84.7% (1,450), 9.5% (162), 6.7% (115) and 5.5% (95).
Co-detected web stacks lean towards publishing and measurement tooling: the most common content-management system appears on 83.5% (66), another analytics package on 65.8% (52), and a tag-management tool on 62.0% (49).
London accounts for 27.8% (22) of the cohort, followed by the South East at 13.9% (11), the East of England at 12.7% (10), the North West at 10.1% (8) and the West Midlands at 8.9% (7).
Statutory audit is a regulated activity: the FRC is the Competent Authority under the Statutory Auditors and Third Country Auditors Regulation 2016, with registration and supervision through four Recognised Supervisory Bodies.
The FRC reports registered statutory audit firms at 3,760 in 2024, down from 5,007 in 2020, a 24.9% decline over five years and a 6.9% fall from 4,038 firms in 2023.
Analytics market share among UK Accounting
Share of the 1,712 UK Accounting with a detectable system. As of June 2026.
What else do Microsoft Clarity-running Accounting run?
Share of the 79 Microsoft Clarity-running UK companies where each technology was also detected. As of June 2026.
Where Microsoft Clarity 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.
8
Median headcount
£532.5K
Median UK turnover
5.1%
Above £5M turnover
3
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 119 companies, alongside financials and websites, in one CSV file.
Top UK Accounting using Microsoft Clarity
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 2 filingsProvides accountancy and business advisory services including audit and assurance, tax compliance and planning, payroll, corporate finance, outsourced finance functions, wealth management, IT…
Serves UK businesses and individuals, including food production, industrial and logistics, retail and wholesale, technology, professional services, and organisations trading internationally.
Financial Health
HealthyHealthy · Profitable, Growing, Hiring · 109% CAGR over 1y
Location
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Financial sub-scores
Computed from 5 filingsProvides chartered accountancy and business advisory services, including audit and assurance, tax planning and compliance, corporate finance, outsourced finance functions, payroll, and company…
Serves businesses, not-for-profits and private clients, including charities, education bodies, technology and media companies, property investors, high-net-worth individuals, expats, and…
Financial Health
StrongStrong · Hiring · 9% CAGR over 4y
Location
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Computed from 2 filingsProvides audit and assurance, accounting, tax compliance, and business advisory services. Offers corporate finance, restructuring, payroll, outsourced accounting, and wealth and tax planning services…
Serves growth-focused UK businesses and organisations across agribusiness, automotive, real estate, education, energy, financial services, healthcare, manufacturing, not-for-profit, retail,…
Financial Health
HealthyHealthy · -5% CAGR over 1y
Location
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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
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Computed from 2 filingsProvides audit and assurance, tax compliance and advisory services to businesses. Services include corporate and international tax, payroll and employer solutions, consulting, business risk,…
Serves businesses and organisations in Northern Ireland and Ireland, particularly mid-market companies, employers, charities, hospitality operators, dealmakers and private clients.
Financial Health
WeakWeak · 8% CAGR over 1y
Location
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Computed from 5 filingsProvides audit, accountancy and tax services including statutory and external audits, bookkeeping, payroll, corporate and personal tax planning, and R&D tax credit claims. Offers business advisory,…
Serves UK businesses and individuals, including startups and firms in legal, travel and hospitality, tech, property, digital assets, healthcare, care homes and FCA-regulated sectors.
Financial Health
StrongStrong · Growing, Hiring · 72% CAGR over 4y
Location
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Computed from 3 filingsProvides accountancy, audit, tax advisory, and corporate finance services to businesses, alongside business consulting, outsourcing, and cloud accounting. Also offers personal tax planning and…
Serves businesses and private clients across East Anglia, including agriculture, charities, construction, education, land and property, leisure and hospitality, technology, and transport and…
Financial Health
StableStable · -28% CAGR over 2y
Location
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Computed from 3 filingsProvides accountancy and advisory services for businesses and individuals, including audit, bookkeeping, payroll, management accounts, tax planning and compliance, VAT advice, company secretarial…
Serves businesses, start-ups, charities, company directors and individuals across Northamptonshire, including clients needing tax, audit, payroll, property, estate planning and corporate finance…
Financial Health
StableStable · -11% CAGR over 2y
Location
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Computed from 4 filingsProvides accountancy, audit, tax and business advisory services to companies and individuals. Services include corporate finance, restructuring, estate planning, bookkeeping, payroll, VAT returns,…
Serves businesses and individuals, including owner-managed firms, high-net-worth individuals, landed estates and organisations in capital markets, construction, hospitality, manufacturing, media,…
Financial Health
StableStable · -84% CAGR over 3y
Location
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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
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Computed from 5 filingsProvides accounting and advisory services through an international network of independent firms, including audit and assurance, tax advisory, financial consulting, transaction support, risk…
Serves businesses, organisations and high-net-worth individuals needing accounting, tax, audit and advisory support, particularly those operating internationally. Targets sectors including…
Financial Health
WeakWeak · -12% CAGR over 4y
Location
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Computed from 5 filingsProvides chartered accountancy services including audit, tax planning and compliance, corporate finance, and financial advisory. Advises businesses, entrepreneurs, and high‑net‑worth individuals…
Serves entrepreneurial SMEs, large corporates and high-net-worth individuals, with sector focus on property, hospitality, not-for-profit, sports, technology, financial services, media and…
Financial Health
HealthyHealthy · -1% CAGR over 5y
Location
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Computed from 5 filingsProvides accountancy and financial advisory services including bookkeeping, payroll management, tax advisory, audit and assurance, probate administration, and financial and strategic planning for…
Serves businesses of all sizes and sectors across the South West, plus families and individuals with financial affairs. Also addresses healthcare organisations and employers needing outsourced…
Financial Health
HealthyHealthy · -1% CAGR over 4y
Location
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Computed from 5 filingsProvides accountancy and business advisory services to owner‑managed and family businesses, including audit, tax planning and compliance, payroll, VAT, corporate finance, forensic accounting, company…
Serves family-run and owner-managed businesses, primarily in manufacturing, engineering, construction, property, legal and professional services, with additional support for individual taxpayers and…
Financial Health
StableStable · -68% CAGR over 4y
Location
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Computed from 5 filingsProvides accounting and business advisory services including bookkeeping, VAT returns, payroll, tax planning, and personal and business tax returns. Conducts statutory and internal audits, company…
Serves SMEs, startups, contractors, health-sector and dental businesses, charities, and solicitors across the UK, alongside individuals needing personal tax support.
Financial Health
WeakWeak · -14% CAGR over 4y
Location
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Computed from 5 filingsProvides accountancy and business advisory services including audit and assurance, tax planning and compliance, bookkeeping, payroll, VAT returns, company secretarial support, financial planning, and…
Serves individuals and businesses in and around Chesterfield, including start-ups, family businesses, SMEs, larger companies and private clients.
Financial Health
HealthyHealthy · Growing · 2% CAGR over 4y
Location
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Computed from 3 filingsProvides chartered accountancy and tax advisory services to businesses and individuals, including bookkeeping, payroll, management accounts, audit and assurance, VAT and tax returns, business…
Serves start-ups, SMEs, small businesses, limited companies, sole traders and individuals across the South East, including creative, manufacturing, service, medical, dental, property, construction,…
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 2y
Location
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Computed from 5 filingsProvides accounting and tax advisory services including bookkeeping, auditing, payroll, VAT and self‑assessment. Also offers corporate finance and tax planning, business startup support, insolvency…
Serves B2B clients including growing businesses, startups, entrepreneurs and shareholders, plus private individuals and property investors; content also addresses international clients linked to the…
Financial Health
StableStable · Hiring · 4% CAGR over 4y
Location
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Computed from 5 filingsProvides accountancy and business advisory services including bookkeeping, payroll, audit and assurance, tax planning and compliance, management accounts, VAT and self‑assessment, corporate finance…
Serves individuals, startups, small businesses and limited companies in Shropshire, including clients in agri-business, charities, hospitality, manufacturing, medical, property, retail, solicitors…
Financial Health
StableStable · -69% CAGR over 4y
Location
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Computed from 4 filingsProvides accountancy and business advisory services to companies, including financial reporting, audit, and implementation of digital and cloud-based accounting systems. Reviews business processes,…
Serves ambitious businesses, primarily SMEs and growing companies, seeking progressive accountancy support and digital finance systems, with an emphasis on companies across Warwickshire and London.
Financial Health
HealthyHealthy · 3% CAGR over 3y
Location
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Computed from 4 filingsProvides accountancy and business advisory services including accounts preparation, tax compliance, grant audits, corporate finance, and business planning. Advises on advanced tax matters such as R&D…
Serves businesses and business owners, including SMEs, solicitors, sports professionals and funding providers, plus private clients needing tax, trusts, estates, succession or retirement planning…
Financial Health
HealthyHealthy · -3% CAGR over 3y
Location
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Computed from 5 filingsProvides accounting and bookkeeping services for businesses and individuals, including audit, year‑end accounts preparation, corporation and personal tax, VAT returns, payroll, management accounting,…
Serves businesses and individuals in Oxford and nearby UK towns, including small businesses, startups, sole traders, freelancers, contractors, ecommerce sellers, landlords, property owners, and…
Financial Health
HealthyHealthy · Hiring · 24% CAGR over 4y
Location
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Computed from 5 filingsProvides accountancy and tax advisory services to small businesses and owner‑managed companies, including bookkeeping and accounting systems, audit and assurance, payroll, company secretarial…
Serves owner-managed and small businesses, sole traders and limited companies in Northampton and Northamptonshire, targeting business owners seeking accountancy and tax support.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Computed from 4 filingsProvides accounting and financial services including bookkeeping, tax preparation and compliance, payroll processing, auditing, and business advisory support for businesses and individuals, helping…
Serves local entrepreneurs, start-ups, growing and established businesses, and individuals on the Isle of Wight needing accountancy support and financial advice.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 3y
Location
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Computed from 5 filingsProvides accounting and financial advisory services to businesses, including bookkeeping, payroll, statutory accounts, tax compliance and HMRC reporting. Offers outsourced CFO and financial…
Serves UK growing businesses and entrepreneurs, including franchise owners, contractors, startups, freight forwarders, construction firms, logistics operators, e-commerce businesses, real estate…
Financial Health
StrongStrong · Hiring · 4% CAGR over 4y
Location
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Computed from 5 filingsProvides accounting, tax compliance and business advisory services for small and medium‑sized businesses, including management accounts, financial planning, and performance improvement support, with…
Serves business owners and SMEs, with dedicated focus on manufacturing firms, creative and digital businesses, and small companies seeking accountancy and business improvement support.
Financial Health
WeakWeak · -4% CAGR over 4y
Location
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Computed from 5 filingsFinancial Health
StableStable · -3% CAGR over 4y
Location
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Computed from 5 filingsProvides accountancy and tax consultancy services including bookkeeping, payroll processing, statutory and year‑end accounts, VAT and corporation tax returns, self‑assessment, tax planning, audit…
Serves UK business owners, startups and established SMEs, plus landlords and individuals needing tax support. Sector focus includes healthcare professionals, Amazon sellers, IT firms, hospitality…
Financial Health
WeakWeak · Hiring · 15% CAGR over 4y
Location
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Computed from 5 filingsProvides accountancy and financial services to businesses and individuals, including preparation of statutory and management accounts, bookkeeping, tax compliance and advisory, VAT support, payroll…
Serves start-ups, sole traders, partnerships, limited companies and private individuals across Norfolk and Suffolk, including landlords, tenant management firms and property companies.
Financial Health
HealthyHealthy · Hiring · 17% CAGR over 4y
Location
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Computed from 5 filingsProvides accountancy and financial advisory services including company accounts preparation, tax planning, payroll, bookkeeping and VAT. Also offers management reporting, outsourced finance director…
Sells to businesses needing accountancy and finance support, especially limited companies seeking outsourced FD, tax, payroll, bookkeeping and advisory services. Also serves self-employed people,…
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsProvides accountancy and financial advisory services including bookkeeping, tax, R&D claims, forecasting and outsourced financial director support. Also advises on commercial and corporate finance…
Targets business owners, entrepreneurs and finance leaders at UK businesses of all sizes, from sole traders and start-ups to scale-ups, SMEs, large and multinational organisations across industries.
Financial Health
HealthyHealthy · Hiring · 37% CAGR over 4y
Location
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Computed from 5 filingsProvides chartered accountancy services including tax planning and compliance, financial accounts preparation, business advisory, and complete accounting packages. Supports businesses and individuals…
Serves businesses of all sizes and their owners, including limited companies, directors and finance leads, with resources also aimed at start-ups, employers and individuals with personal tax affairs.
Financial Health
WeakWeak · -4% CAGR over 4y
Location
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Computed from 5 filingsProvides accounting and tax compliance services for businesses, particularly ecommerce sellers. Services include bookkeeping, payroll, VAT and sales tax registration and filings, corporation and…
Serves ecommerce and Amazon sellers, importers and cross-border businesses expanding into the UK, EU, US, Canada, UAE and Saudi Arabia, alongside UK SMEs in technology, hospitality, property,…
Financial Health
StrongStrong · Hiring · 37% CAGR over 4y
Location
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Computed from 2 filingsProvides accounting services for businesses, including bookkeeping, statutory accounts preparation, tax compliance and planning, company filings, and business advisory support for owners and growing…
Serves growing UK businesses, targeting business owners seeking accountancy, tax and advisory support. Sells to B2B clients, particularly ambitious small and scaling companies.
Financial Health
StableStable · Hiring · 29% CAGR over 1y
Location
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Computed from 4 filingsProvides accounting, tax advisory and financial planning services to businesses and individuals. Offers support with corporate finance, trusts, tax planning, wealth management and advice for sectors…
Serves a mix of businesses and individuals, including owner-managed companies, food and drink firms, property and construction businesses, rural enterprises and wealth management clients, mainly in…
Financial Health
HealthyHealthy · Profitable · -5% CAGR over 3y
Location
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Computed from 3 filingsProvides accountancy and business advisory services including bookkeeping, VAT returns, payroll, tax compliance, and financial planning. Works with SMEs, corporations, startups, and individuals,…
Serves startups, growing SMEs, business owners preparing exits, individuals running businesses, and corporations, with a focus on clients around King’s Lynn and Norwich.
Financial Health
StrongStrong · Growing, Hiring · 60% CAGR over 2y
Location
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Computed from 5 filingsProvides chartered accounting services for high‑growth businesses, including statutory accounts, tax compliance, financial reporting, cash‑flow forecasting and scenario modelling. Combines advisory…
Serves high-growth scale-up founders and business leaders, especially companies preparing for growth, fundraising or exit, that need strategic finance support beyond traditional compliance accounting.
Financial Health
HealthyHealthy · -5% CAGR over 5y
Location
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Computed from 5 filingsProvides accounting and tax services for businesses and individuals, including statutory accounts preparation, bookkeeping, VAT returns, payroll, self‑assessment and corporation tax filings. Also…
Serves startups, SMEs, limited companies, ecommerce businesses, freelancers, contractors, landlords, and sector specialists such as hotels, construction and media businesses, primarily in London.
Financial Health
WeakWeak · -40% CAGR over 4y
Location
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Computed from 5 filingsProvides accounting and finance advisory services for established businesses, including bookkeeping, tax compliance, financial control and governance, cashflow analysis, fractional CFO support, and…
Serves established, growth-focused businesses whose founders and senior leaders need stronger finance support beyond compliance, particularly firms expanding operations, acquiring companies, or…
Financial Health
StrongStrong · Growing, Hiring · 37% CAGR over 4y
Location
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Computed from 3 filingsProvides accounting and business advisory services including bookkeeping, tax compliance, VAT returns, payroll, financial reporting and growth planning. Supports SMEs, startups, individuals and…
Targets SMEs, startups, scale-ups, owner-managers, individuals running businesses, corporations, and business owners preparing to sell, with emphasis on King’s Lynn and Norwich.
Financial Health
DistressedDistressed · -2% CAGR over 2y
Location
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Computed from 3 filingsProvides chartered accountancy and business advisory services to individuals and businesses, including financial accounting, tax planning and compliance, bookkeeping, VAT returns, payroll processing,…
Serves businesses in Mid Wales, from startups to larger companies across multiple sectors, as well as individual clients and families needing accountancy and tax support.
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Computed from 5 filingsProvides accountancy and business advisory services including bookkeeping, tax compliance, management accounts, and financial director support. Advises SMEs on business planning, cashflow management,…
Serves SMEs and owner-managed businesses in Kent and the South of England, particularly agencies, creative firms, tech/digital companies, and businesses using Xero or QuickBooks.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides accountancy and bookkeeping services for businesses and individuals, including preparation of financial accounts, payroll and CIS processing, self‑assessment tax returns, business and…
Serves businesses and individuals needing accountancy support, including sole traders, partnerships and companies. Targets business owners seeking bookkeeping, payroll, tax, management accounts and…
Financial Health
DistressedDistressed
Location
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Computed from 3 filingsProvides accountancy services for small businesses and individuals, including bookkeeping, payroll processing, VAT returns, self‑assessment and corporation tax filings, annual and management…
Serves small businesses, limited companies, landlords and self-assessment taxpayers across Yorkshire and the UK, including business owners seeking accounting, payroll, VAT and tax compliance help.
Financial Health
WeakWeak · -7% CAGR over 2y
Location
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Computed from 5 filingsProvides accountancy services for small and medium-sized businesses, including preparation of accounts, self‑assessment and corporation tax returns, VAT and Making Tax Digital submissions, payroll…
Serves Northamptonshire businesses, from start-up sole traders and SMEs to established larger firms, with emphasis on trades, construction/CIS clients, ecommerce businesses and landlords.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsProvides accounting and tax advisory services for individuals and businesses, including self‑assessment returns, bookkeeping, financial reporting, and tax planning. Also offers forensic accounting,…
Serves both consumers and businesses needing tax, accounting and financial advice, including self-assessment taxpayers, business owners, companies seeking restructuring or exit planning, and clients…
Financial Health
StrongStrong · Hiring · 16% CAGR over 4y
Location
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How Microsoft Clarity 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.
Microsoft Clarity is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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Frequently asked questions
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