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Tax Advisory Companies in Bristol: 100+ Active Firms (2026)
Tax advisory companies in Bristol advise businesses and individuals on compliance, planning and disputes across the city region.
Buying centres in this market sit with finance directors, business owners, private-client advisers and deal teams rather than a centralised procurement function. Work is split between recurring compliance support, advisory projects around ownership or group structure, and time-sensitive matters such as enquiries, disputes and transactions. The buyer base is mostly owner-managed companies, local businesses and private clients, with mid-market clients bringing in specialist support when internal finance teams meet unfamiliar tax questions. Engagements tend to be relationship-led, adviser-heavy and scoped by risk, deadline pressure and confidentiality.
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Bristol has 135 actively trading tax advisory companies, a city-region cohort that spans sole-adviser practices, small specialist teams and mid-sized professional-services firms. Reported employment totals 808 people, pointing to a service market with an employment footprint beyond occasional consultancy. The shape is built around repeat client work, referrals and specialist projects, with a thin upper end: most firms remain below higher turnover bands, while the upper tier is limited rather than broad.
Advisory work is shaped by filing cycles, enquiry risk, professional conduct duties and the need to evidence advice if a client later faces challenge. Market structure is therefore closer to accountancy and legal services than to software or brokerage: reputation, specialist judgement and continuity of personnel matter more than distribution scale. Practices serving business owners tend to sit between bookkeeping, audit, corporate finance and private-client advice, while dispute-led work is more episodic and deadline-driven. That mix keeps capacity constrained, especially where clients need technical review rather than routine preparation.
Future movement appears likely to come from client complexity rather than simple volume. Owner-managed businesses still need recurring compliance work, but advisory demand tends to rise when ownership changes, succession planning, property decisions or investigations create questions that generalist advisers prefer not to hold alone. Smaller practices may remain viable where relationships are personal and local, although succession and recruitment pressure can push some towards mergers or networked referral models. The scarcer asset is specialist judgement with enough client-facing experience to price risk without turning every matter into a large-firm process.
135
Active firms
2026
2
£5M+ revenue
Above the threshold
13
New since 2022
Recent incorporations
Key facts
About 1% of the trading cohort reports turnover above £5M (2 of 135 firms) — the rest sits below that revenue band.
9% of the cohort was incorporated since 2022 (13 firms), so a sizeable share is in its first few filing cycles.
Bristol tax advisers cover compliance, planning and disputes rather than a single repeatable service line.
Tax advice is often a recurring relationship, as filing work can lead into planning or dispute support when client circumstances change.
Buyers tend to compare likely service focus, with corporate tax, employment-tax and transaction work carrying different requirements.
Bristol’s market appears broad rather than centred on one type of tax practice.
Top Bristol Tax Advisory companies
EDGE TAX PROFESSIONAL SERVICES LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides tax advisory services to individuals, companies and accountants, including support with HMRC enquiries and investigations, self‑assessment tax returns, inheritance tax and estate planning,…
Serves individuals, business owners, companies and shareholders, accountants/advisers, and internationally mobile clients with complex UK and cross-border tax needs, including those facing HMRC…
Financial Health
WeakWeak · -4% CAGR over 4y
Location
Dorrington Mundy Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy and taxation services for businesses and individuals, including bookkeeping, payroll, VAT returns, self‑assessment, corporate and personal tax planning, company secretarial…
Serves businesses and individuals in Bristol and surrounding areas, including startups, owner-managed businesses, partnerships, small and medium-sized companies, self-employed people, and personal…
Financial Health
StableStable · -7% CAGR over 4y
Location
MITCHELL GLANVILLE (BRISTOL) LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides accountancy services for businesses, including preparation of accounts, tax planning and compliance, VAT advice, company structuring, remuneration planning, and support with R&D tax credit…
Serves small and medium-sized businesses in Bristol and Gloucestershire, including clients in retail, services, automotive, construction and finance sectors.
Financial Health
WeakWeak · Hiring · 12% CAGR over 2y
Location
HAINES WATTS BRISTOL (HOLDINGS) LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides accountancy and advisory services including audit and assurance, corporate and private tax, VAT, and R&D tax support. Also offers outsourced finance functions such as payroll, company…
Serves ambitious UK businesses from small teams to AIM-listed firms, plus charities, non-profits, financial institutions, technology companies, property firms, private clients, landlords and sole…
Financial Health
StableStable · Hiring · 5% CAGR over 2y
Location
Kwan & Company Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accounting and tax advisory services including bookkeeping, preparation of financial statements, tax planning, and assistance with HMRC tax investigations, along with business consultancy…
Serves large and small English- and Chinese-speaking clients across the UK, including businesses and individuals, with an emphasis on Chinese-speaking communities in Bristol, Wales and nationwide.
Financial Health
StableStable · 0% CAGR over 4y
Location
CLISTE CONSULTING LTD
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy and tax advisory services for individuals and small businesses, including company accounts, personal and corporate tax returns, payroll, HMRC enquiry support, voluntary tax…
Serves a mix of B2B and B2C clients: individuals, private clients, contractors and small or owner-managed businesses, especially in construction, property, ecommerce, hospitality and retail.
Financial Health
DistressedDistressed
Location
Oakensen (Bristol) Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides chartered accountancy services including preparation of year-end and management accounts, bookkeeping, payroll and VAT returns, and tax planning. Also delivers statutory audits, business…
Serves business owners and limited companies, including organisations requiring statutory audits or solicitors’ reports, as well as individuals with self-assessment and personal tax needs.
Financial Health
HealthyHealthy · -2% CAGR over 4y
Location
Elite Financial Accounting Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accounting and tax advisory services for businesses and individuals, including year‑end accounts, tax returns, bookkeeping, payroll, VAT returns and tax planning. Specialises in property…
Serves small businesses, freelancers, contractors, residential property investors and landlords, and individuals in Bristol, including those with inheritance tax needs.
Financial Health
StableStable · -4% CAGR over 4y
Location
Everett King (Inntobookwork) Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy and tax services for sole traders, partnerships and limited companies, including bookkeeping, payroll bureau, business advisory and planning, and stocktaking and valuations.…
Serves SMEs, sole traders, partnerships, limited companies, self-employed people, landlords and individuals across Bristol, Exeter, Devon and Somerset, including hospitality, fitness, professional…
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 4y
Location
Pure Professionals Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides accountancy services to businesses and individuals, including tax planning and compliance, bookkeeping, VAT returns, business advisory, startup support, and ad‑hoc tax advice. Also offers…
Serves businesses, especially business owners seeking accountancy, tax and advisory support. Targets start-ups and established SMEs needing compliance, tax planning and ongoing finance support, with…
Financial Health
WeakWeak · Hiring · 29% CAGR over 2y
Location
Nasa Accountants Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy services for small and medium-sized businesses, contractors and individuals, including bookkeeping, preparation and submission of tax returns and self‑assessments, company…
Serves small and medium-sized businesses, partnerships, contractors, freelancers, sole traders and landlords, plus individuals with self-assessment needs, primarily in Bristol, Portishead and…
Financial Health
StableStable · -5% CAGR over 4y
Location
Stanley Joseph Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides chartered accountancy services including tax planning, tax return preparation, bookkeeping, payroll, and financial outsourcing. Advises individuals, startups, sole traders, partnerships, and…
Serves individuals, business start-ups, sole traders, partnerships and small to medium-sized businesses, with a focus on Bristol-area clients managing personal or business finances.
Financial Health
StableStable · 4% CAGR over 2y
Location
Stanley Joseph Payroll Services Limited
Trajectory
3y · 2023–NowProvides accountancy services including tax planning, tax return preparation, bookkeeping, payroll processing, and financial outsourcing. Advises individuals, startups, sole traders, partnerships,…
Serves individuals, business startups, sole traders, partnerships and small to medium-sized businesses, with a stated focus on Bristol-based clients.
Financial Health
Insufficient historyInsufficient history
Location
BURNSIDE LIMITED
Trajectory
5y · 2023–NowFinancial sub-scores
Computed from 5 filingsProvides chartered accountancy services including financial accounting, auditing, tax planning and compliance, VAT advice, and payroll. Advises businesses across sectors such as care homes,…
Serves businesses and individuals needing accountancy support, with sector focus on care homes, commercial contractors, media, mobile home and holiday parks, property, recruitment and sports…
Financial Health
StableStable
Location
TAX RECLAIMED LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StableStable
Location
THE PROPERTY ACCOUNTANT LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
Foxmain Associates Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides accounting and business support services for individuals and small to medium-sized businesses, including bookkeeping, payroll processing, VAT returns, tax planning and self-assessment,…
Serves small and medium-sized businesses in Bristol, including sole traders, individuals, partnerships and limited companies seeking local accountancy and business support.
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
Whitestone Accounting Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides accounting services for businesses and individuals, including preparation of annual accounts, corporation tax and personal tax returns, bookkeeping, payroll processing, VAT returns, and…
Serves individuals and businesses, from smaller firms needing finance support to larger organisations seeking ongoing accounting input, with an emphasis on clients in Bristol.
Financial Health
HealthyHealthy · Hiring · 32% CAGR over 4y
Location
P B Accountancy Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides accountancy services to businesses and individuals, including bookkeeping, tax preparation, financial reporting, and advisory support. Assists clients with managing finances, meeting tax…
Serves business owners, entrepreneurs, small family firms, growing businesses and individual taxpayers in Bristol and the South West.
Financial Health
WeakWeak · -7% CAGR over 3y
Location
Adams Root Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides accounting, bookkeeping and tax services for individuals and small businesses, including accounts preparation, tax compliance, VAT, payroll, and business advisory support such as start‑up…
Serves small businesses, business start-ups and individual taxpayers, mainly in Bristol, Gloucester, Somerset and surrounding areas, with clients also across the UK.
Financial Health
StableStable · Hiring · 40% CAGR over 1y
Location
Jay & Jay Partnership Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy and business advisory services including annual accounts preparation, audit, tax planning, personal tax, payroll and employment services, cloud accounting, financial management…
Serves SMEs, startups, UK subsidiaries of international companies, consultants, professional services firms, property investors and businesses in construction, retail, automotive, healthcare,…
Financial Health
StableStable · 2% CAGR over 4y
Location
AA ACCOUNTANTS (UK) LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy and tax advisory services focused on property investors, including property tax planning, business structure advice, capital gains tax management, VAT compliance, capital…
Serves UK property investors, landlords and property portfolio owners, including individuals and businesses with property-related tax planning and compliance needs.
Financial Health
WeakWeak
Location
Lloyd Property Services (Bristol) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accounting and business support services for small and medium-sized businesses, including bookkeeping, payroll processing, VAT returns, year-end accounts, tax returns, credit control, and…
Serves small to medium-sized businesses, sole traders, partnerships and limited companies in Bristol, including start-ups and licensed trade operators.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
BRISTOL TAX LTD
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
CAMERON GORDON LTD.
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
HELEN COOPER CAPITAL ALLOWANCES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
C & M SERVICES (BRISTOL) LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -33% CAGR over 4y
Location
Bw Business Accountants & Advisers Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StrongStrong · Hiring · 44% CAGR over 3y
Location
Finelead Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · Hiring · 11% CAGR over 4y
Location
TYRRELL PROCTER LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides chartered accountancy services to businesses and individuals, including bookkeeping, management accounts, payroll, VAT, tax compliance and planning, company formation, corporate finance…
Serves small and medium-sized businesses, business owners and individuals, including contractors and clients in hospitality, leisure, investment, financial, manufacturing, medical and retail sectors.
Financial Health
StableStable · Hiring · 9% CAGR over 4y
Location
Park Street Accountants Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
Sunny Vallies Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
RUHID ACCOUNTING SERVICES LTD.
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
Edzell Lindsay Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Growing, Hiring · 6% CAGR over 5y
Location
Aftab Foroze Consultancies Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy services for businesses including bookkeeping, VAT returns, preparation of final accounts, payroll processing and pensions administration, tax advice and HMRC inquiry support,…
Sells to businesses needing outsourced accountancy, payroll, tax and admin support, including employers and landlords. Serves company owners seeking help with bookkeeping, VAT, final accounts, HMRC…
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
INGLE & COMPANY LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy services for self‑employed individuals and businesses, including preparation of annual accounts, bookkeeping, payroll administration, VAT returns, CIS returns, and tax support…
Serves self-employed individuals, sole traders and small to larger owner-managed businesses, particularly in the Kingswood and East Bristol business community.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
HS ACCOUNTANTS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
WeakWeak · Hiring · 26% CAGR over 3y
Location
Verinder Powell Associates Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides accountancy and specialist tax planning services for individuals, entrepreneurs and business owners. Advises on tax‑efficient structuring, personal and business tax affairs, HMRC matters,…
Serves individuals, entrepreneurs and business owners in Bath, Bristol, Gloucestershire and surrounding areas with complex financial or tax circumstances requiring bespoke support.
Financial Health
StrongStrong · Growing, Hiring · 21% CAGR over 2y
Location
Phinch Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy and tax advisory services for businesses and individuals, including preparation of financial statements, management accounts, corporate tax and VAT compliance, payroll, company…
Serves businesses and individuals across the South West, including companies needing ongoing accountancy and tax support, business owners at lifecycle events, property or crypto investors, and people…
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
Location
RICHARDSON SWIFT AUDIT LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides accountancy and tax advisory services for businesses, charities and individuals, including statutory audits, financial reporting, tax planning and compliance, business valuations, support…
Serves B2B, nonprofit and private clients: SME businesses, charities, business owners, and individuals or families with income, property, assets or investments, primarily in the Bath area.
Financial Health
WeakWeak · 0% CAGR over 3y
Location
Taxpartner Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides corporate, VAT, personal and employment tax advisory and compliance services to private and public companies. Advises on UK and international tax issues, working with client finance teams to…
Serves private and public companies, particularly finance teams and finance directors responsible for UK and international tax matters, including corporate groups with VAT, employment tax and…
Financial Health
StrongStrong · Hiring · 12% CAGR over 4y
Location
BRISTOL TAXSAVERS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy and tax advisory services for businesses and individuals, including accounts preparation, bookkeeping, payroll, VAT returns, company formation, corporation tax, personal tax…
Serves small businesses, contractors, landlords, construction firms, start-ups and individuals needing tax/accountancy support, including non-UK nationals, expatriates and seafarers in the…
Financial Health
StableStable · Hiring · 26% CAGR over 4y
Location
Sestini & Co Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides taxation compliance and advisory services for individuals and businesses, including preparation of tax returns, tax planning, and consultancy on corporate and personal tax matters, alongside…
Serves UK businesses, employers and corporate clients, alongside private clients such as property owners, trusts and estates, and individuals with personal or US tax needs.
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 4y
Location
KELLER ACCOUNTANCY SERVICES LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides accountancy and taxation services for small and medium-sized businesses, including financial accounts preparation, corporate and personal tax planning, payroll, VAT returns, self-assessment,…
Serves SMEs and local businesses across North Bristol and the surrounding area, including clients from varied trades and professions, plus business owners and individuals needing tax and…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 3y
Location
PG OWEN LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides accountancy and taxation services including annual accounts, payroll, audit, and company secretarial support. Also offers business advisory, financial planning, probate, and online…
Serves family and owner-managed businesses, business owners and start-ups, alongside individual private clients. Targets organisations needing accountancy, tax and financial advice, including…
Financial Health
StableStable · 0% CAGR over 3y
Location
Delphi Accounting Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accounting and tax advisory services for businesses and individuals, including bookkeeping, tax returns, tax planning, cloud accounting system setup, and outsourced finance functions such as…
Serves SMEs and startups, typically £500k-£10m turnover, plus individuals needing personal tax support, with clients in Frome, Bath, Bristol and London.
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
WEST & CO ACCOUNTANTS LIMITED
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides accounting and tax advisory services to businesses and individuals, including bookkeeping, payroll, management accounts, start-up support, online accountancy services, and personal tax…
Serves businesses and private individuals throughout the Bristol area, including start-ups, owner-managed firms, and people seeking personal tax advice.
Financial Health
DistressedDistressed · -4% CAGR over 3y
Location
Orpheus Corporation Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides accountancy and tax services for small and medium-sized businesses and individuals, including bookkeeping, cloud accounting, payroll, VAT and CIS support, business tax planning, company…
Serves small and medium-sized businesses with £20k–£3m turnover, contractors, consultants, startups, limited companies, and personal tax clients across Bath, Bristol, London and the South West.
Financial Health
WeakWeak · 0% CAGR over 3y
Location
Japevsoli Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides consultancy on UK innovation tax incentives, including R&D tax relief claims, Patent Box relief, capital allowances and grant funding. Supports businesses with claim preparation, HMRC…
Serves UK businesses undertaking innovation, from SMEs to large companies, plus accountants supporting clients. Targets finance, tax and leadership teams navigating R&D incentives, grants, Patent…
Financial Health
StableStable · 0% CAGR over 2y
Location
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How Bristol Tax Advisory companies work and how to sell to them
What they do
Revenue usually comes from professional fees rather than product resale. Bristol tax advisory firms typically blend annual compliance retainers with scoped advisory projects, charging fixed fees for defined work, time-based fees where facts are uncertain, and success-linked or staged fees only in limited situations. Their output is advice, calculations, filings support, evidence packs and negotiation support, often delivered alongside accountants, lawyers or corporate-finance advisers. Margins depend on utilisation, technical review time and how much routine preparation can be delegated without weakening judgement on higher-risk matters.
Who they sell to
Most sell to owner-managed businesses, family shareholders and private clients, with a smaller mid-market stream where in-house finance teams need specialist cover. The buyer is usually the owner, finance director, external accountant, private-client adviser or deal adviser, not a procurement team. Lower-risk work can be bought through referral and a short scoping call; transaction, dispute or succession work tends to involve several advisers and more checking before appointment. Larger clients may ask for fee estimates, credentials and conflict checks, but the channel is still mostly direct relationship and referral-led.
What they buy
Tax advisory practices tend to spend on tools and services that protect chargeable time and reduce file risk. Common categories include practice management, time recording, billing, document management, secure client portals, e-signature, tax research, workflow tracking, identity checks, anti-money laundering support and cyber security. Firms with transaction or dispute work may also buy data extraction, project management, specialist insurance, litigation support and outsourced technical review. Recruitment, training, local marketing and referral development matter as much as software because delivery capacity is tied closely to adviser quality and availability.
Why and how to sell to them
Tax advisory buyers tend to evaluate suppliers when capacity tightens around filing deadlines, a new service line is added, senior staff leave, a merger is being considered or a run of enquiries exposes gaps in workflow. Outbound messages land better when they are tied to risk, recoverability and client response time rather than generic productivity claims. Useful angles include reducing write-offs on scoped projects, speeding document collection, improving evidence trails, helping small teams handle specialist demand, or giving partners clearer visibility over deadlines without imposing a large-firm process.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. 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.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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Frequently asked questions
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