Accounting Companies Using Smush in the UK: 50 Active Firms (2026)
Accounting practices using image-optimisation web tools provide tax, audit and advisory services to UK business clients.
For accounting and audit practices, an image-optimisation web tool is usually part of the public acquisition layer: service pages, partner profiles, tax-update content and enquiry forms. Its use tends to signal a practice that has moved beyond a brochure site, with somebody maintaining search visibility, page speed and conversion paths, even if that person is not a dedicated marketer. The buying centre is normally a managing partner, practice manager or outsourced web agency rather than the audit team. Client targets are SMEs, owner-managed businesses, charities and regulated clients, so the engagement model is still relationship led; the technology mainly supports discoverability and a faster initial impression.
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UK adoption is a narrow slice of the accounting website estate: 50 active accounting and audit practices are detected running the image-optimisation plugin. Reported employment across this cohort totals 442 people, which fits the small-practice and regional-adviser profile more than the national audit network profile. Within the sector’s site-plugin ranking, the tool appears at 12.7% on a denominator of 394, placing it second behind anti-spam tooling. The registered-address skew is southern but not exclusively London: London accounts for 26.0% of the cohort, the East of England 24.0%, the North West 10.0%, the North East 8.0%, and the West Midlands 8.0%.
Statutory audit creates a different operating backdrop from general bookkeeping or tax compliance. The FRC is the Competent Authority for public supervision of UK statutory auditors, while registration, monitoring and qualification routes sit with recognised supervisory and qualifying bodies. That matters for website-led acquisition because claims about audit capability, sector specialisms and regulated-client work need to align with the permissions and supervision status behind the practice. The FRC’s profession reporting also points to continuing consolidation in registered statutory audit, so smaller practices using public content and performance tools may be competing for advisory and tax work as audit supply narrows.
Adoption appears likely to stay tied to ordinary website maintenance rather than stand-alone technology programmes. Accounting practices tend to refresh sites around partner changes, service-line repositioning and local search work, so image optimisation is often adopted with broader content and form-management changes. The pressure is practical: slower pages make fee-earner biographies, insight pages and enquiry forms less effective on mobile. At the same time, bundled site-management tools may reduce the visibility of standalone optimisation plugins. Smaller practices may keep using familiar stacks, while more marketing-led firms move towards managed website and hosting arrangements.
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 Smush 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 Smush (34 detected). 1.2% of the 1,209 companies with 10–50 employees run Smush (14 detected). 3.3% of the 60 companies with over 50 employees run Smush (2 detected). That is a 3.2% gap between the over 50 employees and under 10 employees bands.
50
Active firms
2026
12.7%
Of detected WordPress plugins share
UK accounting
6
Median headcount
Filed accounts
91
Verified directors
Across this cohort
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Key facts
About 4% of the trading cohort reports turnover above £5M (2 of 50 firms) — the rest sits below that revenue band.
4% of the cohort was incorporated since 2022 (2 firms), so a sizeable share is in its first few filing cycles.
Accounting practices running Smush account for 12.7% (50) of the 394 firms with a detectable WordPress-plugin system, behind Akismet at 24.4% (96) and ahead of Jetpack at 10.9% (43).
The Smush-running accounting cohort is concentrated in London at 26.0% (13) and the East of England at 24.0% (12), followed by the North West at 10.0% (5).
Every firm in the cohort also runs WordPress 100.0% (50), while 64.0% (32) also run Yoast SEO and 54.0% (27) also run reCAPTCHA.
Statutory audit is a regulated activity: the FRC is the Competent Authority for public supervision of UK statutory auditors, with registration and supervision through ACCA, Chartered Accountants Ireland, ICAEW and ICAS.
Registered statutory audit firms fell to 3,760 in 2024 from 5,007 in 2020, a 24.9% decline over five years.
WordPress plugins market share among UK Accounting
Share of the 394 UK Accounting with a detectable system. As of June 2026.
What else do Smush-running Accounting run?
Share of the 50 Smush-running UK companies where each technology was also detected. As of June 2026.
Where Smush Accounting are, and how healthy they look
By region
By registered-office region; companies without a regional match count toward Rest of UK.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
6
Median headcount
£262.2K
Median UK turnover
4%
Above £5M turnover
2
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 68 companies, alongside financials and websites, in one CSV file.
Top UK Accounting using Smush
Ranked by sales-readiness score: an AI model assesses what each company does, its sector and size, and scores its overall fit. Best-fit prospects appear first.
Financial sub-scores
Computed from 5 filingsProvides accounting, tax and business advisory services to individuals, contractors and SMEs. Services include bookkeeping, payroll, VAT and tax planning, year‑end accounts, company formation, IR35…
Serves individuals, contractors, startups, SMEs and businesses across the UK, with sector focus on healthcare, legal practices, construction, charities, landlords and property clients.
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
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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
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Financial sub-scores
Computed from 5 filingsProvides chartered accountancy services for businesses and individuals, including audit, financial accounting, bookkeeping, payroll processing, VAT and business tax compliance, self‑assessment…
Serves businesses, charities, solicitors and private individuals needing accountancy and personal tax support, primarily in Newport, South Wales and along the M4 corridor including Cardiff and…
Financial Health
StableStable · -2% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy and business advisory services including audit, accounts preparation, tax planning, cloud accounting, and board advisory. Supports businesses, charities and individuals with…
Serves businesses, charities and individuals across Devon, including owner-managed and family firms, academies, and clients in manufacturing, engineering, technology, retail, distribution, food,…
Financial Health
WeakWeak · Hiring · 6% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy and taxation services for businesses and individuals, including preparation of accounts, tax returns, audit, payroll and bookkeeping, and advice for start-ups, limited companies,…
Serves startups, established small businesses, limited companies, charities, self-employed people and individuals needing tax support, primarily around Brierley Hill and Dudley.
Financial Health
HealthyHealthy · 0% 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, year‑end accounts preparation, VAT returns, payroll, audits, management accounts, company formation, and…
Serves businesses and individual taxpayers, particularly business owners and start-ups needing accountancy, audit, payroll, tax and company formation support. Works with clients across the south of…
Financial Health
StableStable · -4% 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 bookkeeping, cloud accounting, payroll, VAT returns, management and final accounts, cash flow forecasting, and…
Serves small businesses and individuals in the UK, including startups, sole traders, limited companies, contractors, landlords, regulated firms, retail businesses, solicitors, overseas entities and…
Financial Health
StrongStrong
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy and tax consultancy services for businesses and individuals, including bookkeeping, payroll, VAT returns, management and final accounts, tax planning and compliance, company…
Serves small businesses, sole traders, limited companies, contractors, landlords, regulated firms, retail businesses, solicitors, overseas entities, groups, public listed companies and high-net-worth…
Financial Health
StrongStrong
Location
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Financial sub-scores
Computed from 5 filingsProvides chartered accountancy services including tax planning and returns, financial accounts preparation, audit and compliance, and business advisory. Supports business start‑ups, offers…
Serves private individuals, start-ups and established businesses of varying sizes in Swadlincote and surrounding areas, including owners seeking tax, compliance and business advisory support.
Financial Health
StableStable · 2% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides accounting services for businesses including preparation of accounts and tax returns, bookkeeping, payroll processing, and management accounts. Offers Xero accounting software support,…
Serves small and medium-sized businesses and business owners in Kent, including Maidstone and Medway, seeking accountancy, tax, bookkeeping, payroll and Xero support.
Financial Health
WeakWeak · 0% CAGR over 1y
Location
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Financial sub-scores
Computed from 5 filingsProvides accounting and bookkeeping services for businesses and individuals, including payroll, VAT returns, management accounts, personal and business tax, and business startup support, along with…
Serves SMEs, startups, contractors, landlords and business owners in Manchester and across the UK, with sector focus including construction, hospitality, leisure, real estate, digital and technology.
Financial Health
WeakWeak · Hiring · 3% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides accounting and tax services for businesses, including accounts preparation, bookkeeping, VAT, payroll and auto‑enrolment, and company secretarial and formation services. Also offers cloud…
Serves startups, small businesses and growing companies in Northern Ireland, particularly business owners seeking digital accounting, tax planning and Xero-based support.
Financial Health
StableStable · 0% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy services for individuals and businesses, including preparation of management and annual accounts, bookkeeping, payroll and workplace pension administration, VAT and tax…
Serves individuals and businesses of all sizes, especially small business owners, in Scunthorpe, Brigg, Epworth and further afield.
Financial Health
StableStable · Hiring · 4% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides accounting and tax services including bookkeeping, accounts preparation, VAT returns, payroll and pensions administration, company formation support, tax return filing, business startup…
Serves small businesses, business start-ups and individuals needing accountancy, bookkeeping, payroll, VAT, tax return and HMRC investigation support.
Financial Health
StrongStrong · Hiring · 25% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy and taxation services for individuals, sole traders and small to medium-sized businesses. Services include personal and business tax returns, payroll, cloud accounting setup and…
Serves individuals and small businesses, including sole traders, micro businesses and SMEs, seeking accountancy, tax and payroll support. Targets clients across a range of industries, including…
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy services for individuals and businesses, including company accounts, bookkeeping, payroll and pensions, tax planning and compliance, VAT and CIS reporting, management accounts,…
Serves business owners and individuals across the North West, including limited companies, partnerships, sole traders and startups of any size or industry.
Financial Health
StrongStrong · Hiring · 7% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides chartered accountancy services including preparation of accounts, tax returns and tax planning, payroll, and business advisory support. Also offers digital accounting, bookkeeping, and setup…
Serves local businesses of any size, new start-ups and individual taxpayers in Hertfordshire and Bedfordshire, including company directors and business owners.
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsProvides accounting, bookkeeping and cloud accounting services including final and management accounts, payroll, VAT returns and cash‑flow forecasting. Also delivers personal and corporate tax…
Serves small businesses and individuals in London/UK, including start-ups, sole traders, limited companies, contractors, construction firms, landlords, regulated businesses, retailers, solicitors,…
Financial Health
StableStable · Hiring · 10% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy and outsourced finance services to businesses, including bookkeeping, financial management, compliance support, and strategic business advisory. Operates as a virtual finance…
Serves business owners and SMEs, from start-ups to companies with up to £15m turnover, including firms needing outsourced finance office support or extra capacity for in-house finance teams.
Financial Health
StableStable · 2% CAGR over 5y
Location
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Financial sub-scores
Computed from 3 filingsProvides accounting and tax services to businesses, including preparation of accounts, bookkeeping, payroll processing, and tax compliance. Also offers Xero accounting software support, management…
Serves small and medium-sized businesses and business owners in Kent, including Maidstone and Medway, particularly those using Xero or needing ongoing finance, payroll and tax support.
Financial Health
HealthyHealthy · -11% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides accounting and tax services for individuals and businesses, including preparation of statutory accounts, personal and corporation tax returns, payroll processing, VAT returns, company…
Serves businesses and individuals, including sole traders, small business owners and larger limited companies, seeking accounting and tax support. Targets self-employed people and business owners…
Financial Health
StableStable · Hiring · 11% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy services for businesses and individuals, including preparation of accounts, tax returns, payroll bureau services, cloud accounting setup, digital bookkeeping, and business…
Serves small and medium-sized businesses and individuals across the UK needing accountancy, taxation, payroll and business consultancy support.
Financial Health
StableStable · -2% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides accounting services including preparation of management and annual accounts, tax planning and returns, payroll administration, VAT management, advice on business funding applications, and…
Serves individuals and businesses needing accountancy and tax support, with emphasis on business owners and SMEs requiring accounts, payroll, VAT, funding, R&D tax relief and tax investigation…
Financial Health
StableStable · Hiring · 44% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides accounting and tax services for small businesses and individuals, including tax return preparation, payroll and VAT processing, capital gains tax advice, management reporting, and support…
Serves small business owners, including sole traders and limited companies. Targets businesses needing accounting, payroll and tax support, with examples including medical professionals,…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides chartered accountancy services for businesses and individuals, including audit, financial accounts preparation, bookkeeping, payroll, VAT and business tax compliance, self‑assessment, tax…
Serves businesses, charities, solicitors and private individuals needing accountancy and tax support, mainly in Newport, South Wales and along the M4 corridor including Cardiff and Bristol.
Financial Health
StableStable · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy and tax advisory services to businesses and individuals, including bookkeeping, financial reporting, business start‑up support, corporate and personal tax planning, VAT advice,…
Serves small businesses and larger commercial clients across all sectors of trade and commerce, plus individuals needing personal tax support, mainly in Counties Down, Armagh, Louth and surrounding…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides accounting services for small businesses, including tax return preparation, payroll processing, VAT reporting, and capital gains tax advice. Offers quarterly management reports, bookkeeping…
Serves small business owners, sole traders and limited companies, plus individuals, with clients in medical, manufacturing, leisure, retail and creative sectors.
Financial Health
HealthyHealthy · -23% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides outsourced accounting and bookkeeping services for businesses, including management accounts, tax returns, VAT, payroll, R&D tax credit claims, credit control, and financial planning…
Serves startups, SMEs and growing businesses needing outsourced accounting, bookkeeping and finance support, including founders and management teams seeking help with tax, payroll, VAT, R&D credits…
Financial Health
StableStable · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides tax consulting and chartered accountancy services including preparation of year-end accounts, tax planning, cloud accounting, and business advisory. Works with clients such as design,…
Serves businesses and professionals in creative industries, including design studios, fashion designers and agencies, stunt coordinators and performers, film/TV production clients, PR, media and…
Financial Health
WeakWeak · -66% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides business management and financial services for entertainment professionals, including accounting, bookkeeping, tax preparation, cash management, tour budgeting, payroll, and financial…
Serves entertainers and creative professionals, including musicians, artists, filmmakers, social media creators and their business entities, with a focus on clients in the music, film and digital…
Financial Health
WeakWeak · Hiring · 11% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides accounting and financial management services for businesses and individuals, including preparation of annual accounts, bookkeeping, management accounts, payroll administration, VAT returns,…
Serves businesses of all sizes, sole traders, limited companies, corporations and private individuals across Newcastle, North Shields and the North East of England.
Financial Health
StableStable · Hiring · 7% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides outsourced chief financial officer and finance director services to businesses. Offers financial planning, management accounting, bookkeeping, payroll, compliance support, and strategic…
Serves start-ups, SMEs, technology companies and other growing businesses seeking senior finance leadership, business planning and growth advice without permanent headcount.
Financial Health
WeakWeak · Hiring · 6% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides accounting and tax services including accounts preparation, personal and corporation tax returns, VAT returns, bookkeeping, payroll and auto‑enrolment, business start‑up advice, and cloud…
Serves local individuals, start-ups and small businesses in Woodbridge and surrounding Suffolk towns and villages, plus some clients further afield. Targets business owners needing accounts, tax,…
Financial Health
StableStable · -68% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy and tax advisory services to businesses and individuals, including preparation of annual accounts, payroll, VAT returns, management accounts and personal tax returns. Uses…
Serves business and personal clients in Hertfordshire, Essex and North London, including professional consultants, landlords, craftspeople, artisans, real estate developers, finance professionals and…
Financial Health
StableStable · Hiring · 6% CAGR over 4y
Location
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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
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Financial sub-scores
Computed from 5 filingsProvides accountancy and tax services for limited companies, self‑employed individuals, and e‑commerce businesses. Offers bookkeeping, tax return preparation, financial management, and advisory…
Serves limited companies, self-employed professionals, e-commerce businesses and individuals, primarily in London, seeking accountancy, tax and financial support.
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy services to individuals and businesses, including preparation of financial accounts, tax returns, bookkeeping, and tailored financial reporting, with experience supporting small…
Serves individuals, sole traders, small businesses and property investment organisations, mainly in the Royal Borough of Kensington & Chelsea, with some clients in the Channel Islands.
Financial Health
WeakWeak · 0% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsProvides tax advisory and compliance services for individuals and businesses, including tax planning, self‑assessment and tax return preparation, expatriate tax advice, accountancy support, and…
Serves individuals, expatriates, owner-managed companies, international businesses and finance leaders, with emphasis on clients in Winchester, London and the South East.
Financial Health
StableStable · Hiring · 7% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy services for individuals and businesses, including preparation of accounts, financial reporting, and tailored advice. Works with sole traders, small companies, and property…
Serves individual clients, sole traders and small businesses, with a focus on property-related clients, plumbing and management companies, and offshore property investment organisations mainly in…
Financial Health
StrongStrong · Growing · 0% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsProvides accounting services including bookkeeping, VAT return preparation, management accounts, and annual accounts filing with Companies House and HMRC. Also offers payroll processing, workplace…
Serves small business owners and company directors, with examples from construction, hospitality and scaffolding, as well as individuals needing personal tax and finance support.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides outsourced payroll services for businesses, including weekly and monthly payroll processing, employee payslip distribution, Real Time Information (RTI) submissions to HMRC, payroll…
Serves small and medium-sized employers across Cornwall and the South West, across varied sectors, that need outsourced payroll, HMRC reporting, workplace pension administration, or CIS support.
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
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27 more companies and their verified directors are in the file
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How Smush 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.
Smush 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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