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Accountancy Companies in Portsmouth: 306 Active Firms (2026)
Accountancy companies in Portsmouth provide bookkeeping, tax, payroll and audit assurance services to organisations across the Solent economy.
Buying decisions usually sit with owner-managers, finance directors and payroll administrators rather than procurement teams. Work is mostly business-to-business, with local SMEs buying recurring compliance support and larger regional clients using practices for year-end accounts, management reporting, tax planning or assurance. Engagements tend to be relationship-led: monthly retainers for routine finance work, annual cycles for accounts and tax, and separate regulated scopes where statutory audit is needed. The supplier base ranges from sole-practitioner offices to regional multi-site practices, so service depth and partner access vary more than the basic service labels suggest.
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Portsmouth has 306 actively trading accountancy firms in this list, giving the city a sizeable local practice base for an economy centred on Solent employers and owner-managed businesses. Scale is uneven: 3 firms report turnover above £5M, while 32 were incorporated since 2022, pointing to a long tail of newer and smaller practices alongside a small higher-revenue tier. The reported employment footprint is 587 people, so the market looks labour-intensive without being dominated by large local employers.
Statutory audit is the main regulatory dividing line. The FRC is responsible for public supervision of UK statutory auditors, while audit registration and monitoring run through recognised supervisory bodies and the audit qualification route sits with recognised qualifying bodies. That structure matters for Portsmouth because not every accountancy practice can offer audit work; many compete instead on accounts preparation, tax compliance, payroll and management accounts. The result is a market split between regulated assurance capability and lower-barrier recurring compliance services.
Routine compliance work appears likely to remain price-sensitive, especially for smaller clients that treat bookkeeping, payroll and accounts preparation as necessary administration. Practices that combine recurring finance work with advisory contact tend to have more chances to retain clients between filing deadlines. Audit-capable firms may face a higher compliance burden, which has been one reason national statutory-audit capacity has consolidated. In Portsmouth, the small-practice tail should continue to provide entry points for owner-managed clients, while scale-up scarcity leaves room for regional consolidators to absorb retiring partners and subscale books.
306
Active firms
2026
3
Above £5M turnover
Portsmouth firms over the threshold
32
New incorporations
Since 2022
Key facts
About 1% of the trading cohort reports turnover above £5M (3 of 306 firms) — the rest sits below that revenue band.
10% of the cohort was incorporated since 2022 (32 firms), so a sizeable share is in its first few filing cycles.
Statutory audit is a regulated activity, with the FRC designated as Competent Authority under the Statutory Auditors and Third Country Auditors Regulation 2016.
Statutory auditors and audit firms are registered and supervised through four Recognised Supervisory Bodies, while five Recognised Qualifying Bodies can offer the Audit Qualification.
Registered statutory audit firms fell to 3,760 in 2024 from 5,007 in 2020, a 24.9% decline over five years.
The count also fell 6.9% in 2024, from 4,038 firms in 2023 to 3,760 in 2024.
FRC 2025 accountancy profession statistics put surveyed-body membership at more than 408,000 in the UK and Republic of Ireland, compared with more than 623,000 worldwide.
Top Portsmouth Accountancy companies
MORRIS CROCKER LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides chartered accountancy and tax advisory services for businesses and individuals, including audit and assurance, bookkeeping, payroll, company secretarial support, cloud accounting, cash flow…
Serves businesses, charities and individuals across Portsmouth, Hampshire and southern England, including medical and dental practices, property firms, landlords, construction businesses, care homes,…
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 2y
Location
REVIS & CO ACCOUNTANCY SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy and bookkeeping services for small businesses and individuals, including limited company accounts preparation, payroll processing, VAT returns, personal tax and self‑assessment,…
Serves startups, sole traders, small businesses, limited companies and individuals in Portsmouth, Hampshire and the South Coast needing accountancy, bookkeeping, payroll, VAT and tax support.
Financial Health
StableStable · -4% CAGR over 4y
Location
AMR BOOKKEEPING & ACCOUNTS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides bookkeeping and accountancy services for sole traders, partnerships and limited companies, including preparation of year‑end and management accounts, tax returns, payroll administration, VAT…
Serves sole traders, startups, small businesses, partnerships and limited companies in Portsmouth and surrounding areas needing accountancy support.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
HT IOW Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides accounting and tax services for businesses and individuals, including bookkeeping, tax compliance and planning, payroll support, and financial reporting. Also offers corporate and business…
Serves individuals, self-employed people, startups and growing businesses, with a local focus around Portsmouth.
Financial Health
HealthyHealthy
Location
FAB Accountants Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accounting services for businesses, including bookkeeping, payroll, management accounts, year‑end statutory accounts and tax return preparation. Also advises on cloud accounting using Xero…
Serves small and medium-sized businesses on and around the South Coast, particularly owners using or looking to adopt Xero accounting software.
Financial Health
StableStable · Hiring · 3% CAGR over 4y
Location
JAMES BLAKE AUDIT LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy, audit, tax planning, and bookkeeping services alongside business advisory support. Also offers financial planning, wealth and estate management, and legal advisory services for…
Serves businesses—especially SMEs and business owners—and private clients, including owners and their families seeking accountancy, tax, financial, legal and wealth advice. Also targets firms looking…
Financial Health
StrongStrong
Location
Jackson & Green Accountants Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
HealthyHealthy · -5% CAGR over 2y
Location
myOMB Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
Addo Accounting Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
LESSTAX2PAY (PORTSMOUTH) LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy and tax services for small and medium-sized businesses and individuals, including preparation of annual accounts, self‑assessment tax returns, VAT returns, payroll and CIS…
Serves small and medium-sized businesses, start-ups, limited companies, LLPs, sole traders and individuals needing accountancy and tax support, including CIS contractors and payroll or VAT-registered…
Financial Health
WeakWeak
Location
Holland Accountancy Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides accountancy services for self‑employed individuals and limited companies, including tax returns, payroll, CIS subcontractor accounting, company formation, digital record keeping, and…
Serves self-employed individuals, CIS subcontractors, small limited companies and construction businesses, including clients with HMRC, payroll and Making Tax Digital requirements.
Financial Health
DistressedDistressed · -4% CAGR over 3y
Location
Match Accounting Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy and business advisory services including bookkeeping, financial reporting, tax compliance and HMRC filings. Offers outsourced finance manager, controller and finance director…
Serves small and medium-sized businesses, larger corporate companies and individuals needing accountancy support, financial management and business advice, including clients seeking outsourced…
Financial Health
StableStable · -7% CAGR over 4y
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides accounting, tax and business advisory services for individuals and companies, including financial reporting, tax compliance and planning, payroll support, and corporate advisory to help…
Serves businesses and individuals needing accounting, tax and advisory support, with a clear focus on SMEs, start-ups and growing companies seeking long-term business advice, alongside self-employed…
Financial Health
DistressedDistressed
Location
BHARAT D HATHI LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
Craker Business Solutions LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -20% CAGR over 4y
Location
TC Group
Provides accountancy, tax planning and compliance services for businesses and individuals. Offers bookkeeping, financial advisory, business strategy support, and private client services including…
Serves SMEs, business owners and their families, private clients, and accountancy practice owners seeking partnership or exit options. Mix of B2B and private client markets.
Location
TC ACCOUNTANTS 012 LIMITED
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Hive Client Services Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides accountancy services including preparation of service charge accounts for property management and leasehold properties, and accounting support for small businesses such as bookkeeping, tax,…
Serves small business owners nationwide and landlords or property management companies in the leasehold sector that collect service charges for shared property costs.
Financial Health
DistressedDistressed · -7% CAGR over 2y
Location
J L GLASS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · Hiring · 19% CAGR over 4y
Location
JG Finance Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed
Location
LOT INVESTMENTS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -68% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy
Location
PAULLEY'S TAXATION LTD
Trajectory
5y · 2020–NowFinancial Health
Insufficient historyInsufficient history
Location
FAB ACCOUNTANTS 2020 LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
Chariot Accountants Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StrongStrong · Hiring · 15% CAGR over 2y
Location
Accountancy Solutions (Winchester) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · Hiring · 11% CAGR over 4y
Location
MMO Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides chartered accountancy services including accounts preparation, management accounts, auditing, bookkeeping, VAT, payroll, and company secretarial support. Advises businesses and individuals…
Serves businesses and individuals needing accountancy and tax support, particularly organisations across sectors such as manufacturing, retail, construction, not-for-profit, legal, medical,…
Financial Health
StableStable · 0% CAGR over 4y
Location
Walton Accountancy Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy services for individuals and businesses, including bookkeeping, self‑assessment tax returns, payroll processing, VAT returns, company accounts preparation, Companies House…
Serves small businesses, limited companies, self-employed people, landlords and property investors, primarily around Waterlooville and Hampshire, plus individuals with multiple income sources or…
Financial Health
StrongStrong · 17% CAGR over 3y
Location
The Digital Accounting Department Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides outsourced accounting and bookkeeping services for businesses, including bank reconciliations, VAT calculations, management accounts and reports, KPI reporting, intercompany and sales…
Serves business owners and companies that want outsourced accounts support instead of an in-house accounts department, with an emphasis on Portsmouth and the South East.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 5y
Location
D V Marlow & Co Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides chartered accountancy services including bookkeeping, financial accounts preparation, tax planning and compliance, and advisory support for businesses, sole traders and individuals. Uses…
Serves businesses of all sizes, sole traders, solopreneurs and individuals in Fareham, Portsmouth, Southampton and wider Hampshire, including larger companies with multimillion-pound turnover.
Financial Health
StableStable · Hiring · 6% CAGR over 4y
Location
BAYLISS WARE LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides chartered accountancy services to individuals and businesses, including audit and accounts preparation, self‑assessment tax returns, payroll, bookkeeping, VAT returns, tax planning, company…
Serves personal clients and businesses needing accountancy and tax support, from small independent traders to substantial companies and groups. Targets UK-based clients across the South of England,…
Financial Health
WeakWeak · -69% CAGR over 4y
Location
Ellyss Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy and tax services for businesses and individuals, including bookkeeping, VAT returns, payroll, financial accounts, and HMRC compliance support. Also offers business advisory and…
Serves entrepreneurs, fast-growth businesses, limited companies, LLPs, partnerships, sole traders and landlords across Hampshire, the South East and London, including ecommerce, construction,…
Financial Health
WeakWeak · Hiring · 14% CAGR over 4y
Location
Hampshire Accountancy & Taxation Services Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides accounting and tax services for small and medium-sized businesses, including bookkeeping, statutory accounts preparation, corporation and personal tax returns, VAT returns, payroll and PAYE,…
Serves SMEs, start-ups, contractors, LLPs and farms, as well as individuals with personal or property tax needs, mainly around Hampshire and nearby towns.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
WETTONE MATTHEWS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides accounting and tax services for businesses, individuals, start‑ups and charities, including bookkeeping, audits, financial reporting, tax compliance and advisory support, and assistance with…
Serves businesses of all sizes, start-ups, charities and private individuals across Hampshire and Surrey, including sole traders, landlords and company owners.
Financial Health
WeakWeak · 2% CAGR over 3y
Location
QUICK ACCOUNTANCY WATERLOOVILLE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy and tax services for sole traders, partnerships and limited companies, including bookkeeping, preparation of annual accounts, income and corporation tax returns, national…
Serves B2B clients including sole traders, partnerships, limited companies, subcontractors and landlords, mainly small and medium-sized businesses in South Hampshire needing accountancy and tax…
Financial Health
HealthyHealthy
Location
Mascolo & Styles Limited Liability Partnership
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides bookkeeping and outsourced payroll services for businesses. Handles payroll processing, HMRC‑compliant submissions, auto‑enrolment administration, VAT returns, credit control, and cash flow…
Serves UK businesses of all sizes, from start-ups and local Hampshire firms to multinational corporations, particularly employers seeking outsourced payroll and bookkeeping support.
Financial Health
DistressedDistressed
Location
ARTHUR DANIELS & COMPANY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy and taxation services for businesses and individuals, including preparation of accounts, tax returns, compliance support, business start‑up advice, and business advisory…
Serves a wide range of businesses, business start-ups and individual taxpayers in Fareham and Hampshire seeking accountancy, tax and business support.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
Simply Balanced Solutions Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides bookkeeping and accounting support for small businesses, sole traders and subcontractors, including payroll processing, CIS returns, VAT submissions, tax returns, invoicing, and cloud…
Serves sole traders, freelancers, CIS subcontractors, tradespeople and small limited companies in Hampshire, including service, mobile, design-and-build, construction and pet service businesses.
Financial Health
StrongStrong · Hiring · 15% CAGR over 4y
Location
SHCA Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy and taxation services to individuals, businesses and charities. Services include tax compliance and planning, payroll processing, bookkeeping and VAT support, and preparation of…
Serves individuals, sole traders, entrepreneurs, partnerships, limited companies, LLPs, property rental businesses, charities and non-profit organisations needing accountancy and tax support.
Financial Health
HealthyHealthy · Hiring · 9% CAGR over 4y
Location
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides accountancy and business advisory services including bookkeeping and cloud accounting, payroll administration, statutory accounts preparation, auditing, and specialist tax planning and…
Sells to businesses and organisations needing accounting support, particularly creative firms, property businesses, charities, engineering and manufacturing companies. Serves UK clients, including…
Financial Health
StableStable · 0% CAGR over 2y
Location
Evo Accounting Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -16% CAGR over 4y
Location
Accounts Digital Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
VISUALIZE OFFICE SOLUTIONS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Hiring · 15% CAGR over 4y
Location
ALLIOTT WINGHAM LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides accounting, auditing, bookkeeping, tax planning and compliance services, along with business advisory, corporate finance, company secretarial support, wealth management and pensions advice…
Serves startups, established businesses, company owners and private individuals needing accounting, audit, tax, financial planning and business advisory support.
Financial Health
WeakWeak · Hiring · 5% CAGR over 4y
Location
FRANCIS MAXWELL LLP
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides accountancy, tax compliance, auditing and business advisory services to businesses and individuals, including preparation of financial statements, tax planning, and support for start-ups and…
Serves start-ups, entrepreneurial businesses, international businesses, individuals, and companies of various sizes across multiple industries.
Financial Health
StableStable · 3% CAGR over 2y
Location
Butcher Connor & Horner Limited
Trajectory
3y · 2022–NowProvides accountancy and taxation services for sole traders, partnerships, and limited companies. Services include bookkeeping, payroll processing, VAT returns, tax return preparation, company…
Sells to businesses including sole traders, partnerships and limited companies needing accountancy, tax, payroll, bookkeeping and company secretarial support, serving local and nationwide clients.
Financial Health
Insufficient historyInsufficient history
Location
David Howard Accountants
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides accountancy and bookkeeping services for small businesses and individuals, including accounts preparation, payroll, VAT, corporation and personal tax compliance and planning, auditing, and…
Serves small businesses, landlords, charities and individuals across the UK, with sector focus on leisure, healthcare, retail/wholesale, construction/property, recruitment, technology, marketing,…
Financial Health
DistressedDistressed · -13% CAGR over 2y
Location
KACIMAC LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides accountancy and tax services for individuals and businesses, including bookkeeping, VAT returns, payroll and PAYE administration, financial reporting, and advice on starting and managing a…
Serves private clients and businesses, including start-ups, newly formed firms and established small companies, with an emphasis on clients in Gosport and Hampshire.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
Mad About Book-keeping Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides bookkeeping services for businesses, including transaction recording, bank reconciliation, management accounts and credit control. Prepares and submits VAT and Construction Industry Scheme…
Serves small business owners, sole traders and limited companies, including VAT-registered businesses and construction firms subject to CIS, with an emphasis on local Hampshire clients.
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 4y
Location
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How Portsmouth Accountancy companies work and how to sell to them
What they do
Portsmouth accountancy practices earn most of their revenue from recurring compliance services rather than one-off projects. Monthly retainers usually cover bookkeeping, payroll, management accounts and client queries, while annual fee letters cover accounts preparation and business tax work. Statutory audit sits apart: it is scoped around assurance evidence, partner review and file sign-off. Advisory work, such as tax planning or reporting support, is more likely to be fixed-fee or time-based, with margins depending on staff utilisation, deadline control and how much client cleanup is needed.
Who they sell to
Most clients are owner-managed businesses, local SMEs and larger regional employers that want a dependable finance function without building every capability in-house. Buying authority usually sits with the owner-manager, finance director or payroll administrator, with partners often acting as the commercial face of the practice. Procurement is rarely formal for smaller clients; referral, local reputation and direct partner contact matter. Larger regional clients and audit engagements are more likely to involve finance director comparisons, board approval, fee tenders or an RFP. Switching tends to cluster around year-end planning, payroll issues or dissatisfaction with responsiveness.
What they buy
Most accountancy firms tend to spend on practice-management systems, workflow tools, secure document collection, client portals, time-and-fee recording, billing and debtor control. Payroll bureaux need payroll production, payroll-process support and error checking; audit-capable practices need audit file management, evidence collection and quality review tooling. Sellers outside software can still find fit in managed IT, cybersecurity, website and local search marketing, recruitment for qualified accountants and payroll staff, training, professional services support, and office services. Smaller practices usually prefer low-disruption tools that fit existing routines; larger regional firms may look for standardisation across teams and sites.
Why and how to sell to them
Buying intent tends to appear when a practice is under margin pressure, has taken on more clients than its admin processes can handle, or is preparing for a partner retirement, acquisition or service-line change. Audit work creates extra trigger points after monitoring visits or changes in file-quality expectations; payroll creates them when error rates or client queries start absorbing senior time. Outbound messages work better when they tie to chargeable-time leakage, deadline visibility, client response rates or evidence for supervision. Vague efficiency claims are easy to ignore; a credible approach shows how the practice keeps partner control while reducing repeat admin.
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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