Bookkeeping Companies in Cardiff: 201 Active Firms (2026)
Bookkeeping companies in Cardiff manage accounting records, payroll administration and compliance reporting for local employers.
Buying centres tend to sit with owner-managers, finance directors and operations teams that want routine finance administration handled outside the business but close enough for ad hoc queries. The recurring work is usually sold as a retainer rather than a project: bookkeeping runs, payroll cycles, management reporting and evidence-gathering for compliance work. Demand is mainly business-to-business, with local employers and regional service businesses looking for a provider that can absorb process detail without the cost of an in-house finance function. Larger engagements tend to be relationship-led, often expanding from payroll or record maintenance into broader finance administration across Cardiff and South Wales.
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Cardiff has 201 actively trading bookkeeping companies in this cohort, so the city’s supplier base is sizeable enough for buyers to compare specialist payroll, record-maintenance and wider outsourced-finance providers without moving outside the local market. Reported headcount across the cohort totals 449 people. That footprint points to a market made up mostly of small professional-services teams rather than large administrative outsourcers, with capacity spread across many local practices. For researchers, Cardiff looks like a practical service market in its own right, not merely an adjunct to larger finance and professional-services centres elsewhere.
Client risk sits around recurring statutory timetables, payroll accuracy and record retention rather than sector-specific licensing. Providers therefore compete on process control, handover discipline and the ability to keep evidence trails clean when clients change accountants or move systems. Cardiff’s local structure also matters: outsourced finance work tends to be relationship-led, with referrals from accountancy practices, payroll contacts and South Wales business networks shaping demand. For buyers, the practical diligence questions are about staff continuity, cut-off procedures, professional indemnity cover and how exceptions are escalated before a filing or payroll date is missed.
Demand appears steadier than in discretionary advisory categories because payroll and record-keeping work follows recurring compliance cycles. Cardiff providers with enough staff continuity to absorb client handovers tend to look better placed than very small practices, particularly where employers want payroll, bookkeeping and reporting under the same service relationship. Scale-up scarcity may keep consolidation selective: acquirers are likely to prefer practices with repeatable processes and low owner dependence, while smaller operators continue to serve relationship-led local work. Pricing pressure is likely to persist as routine record entry becomes more automated, pushing firms towards exception handling and client-specific controls.
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
201
Active firms
2026
1
Above £5M
reported revenue
31
Since 2022
new incorporations
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Key facts
About 1% of the trading cohort reports turnover above £5M (1 of 201 firms) — the rest sits below that revenue band.
15% of the cohort was incorporated since 2022 (31 firms), so a sizeable share is in its first few filing cycles.
Cardiff bookkeeping providers handle statutory record-keeping, payroll administration and compliance reporting for local employers.
Small clients tend to use outsourced bookkeeping to keep statutory records current, while larger employers use providers to reduce internal finance administration.
The market spans owner-managed practices, payroll bureaux and accountancy-service groups rather than a single delivery model.
Recurring compliance work gives providers repeat engagement patterns around payroll and accounting-record deadlines.
Top Cardiff Bookkeeping companies
Financial sub-scores
Computed from 5 filingsProvides accountancy and tax services including bookkeeping, audit, payroll, VAT, self‑assessment, corporate and personal tax planning, company secretarial support, corporate finance advice, business…
Serves small businesses and organisations in Cardiff and nearby South Wales towns, alongside individual taxpayers, with a focus on clients without in-house finance expertise.
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 5y
Location
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Financial sub-scores
Computed from 3 filingsProvides accountancy and business advisory services including financial accounts preparation, audit, tax compliance and planning, VAT, payroll, and company secretarial support. Also advises on…
Serves small and growing businesses in Cardiff and nearby South Wales towns, including organisations needing accountancy, audit, tax, payroll, corporate finance and business advisory support.
Financial Health
StableStable · -11% CAGR over 2y
Location
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Provides accountancy and tax services for businesses and individuals, including bookkeeping, audit, payroll, VAT, self‑assessment and corporate tax. Also offers company secretarial support, corporate…
Serves small businesses, owner-managed companies and other organisations in Cardiff and nearby South Wales towns, alongside individual taxpayers.
Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 3 filingsProvides accountancy and business advisory services including audit, annual accounts preparation, tax compliance and planning, management accounts, payroll and auto‑enrolment bureau services. Also…
Serves businesses, charities, public-sector organisations and personal clients, including corporate clients, new start businesses and individuals in South Wales.
Financial Health
StableStable · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy and tax services for individuals and businesses, including preparation of financial accounts, self‑assessment tax returns, VAT returns, payroll processing, bookkeeping, and…
Serves individuals, landlords, sole traders, partnerships and limited companies needing accountancy and tax support, with a focus on clients across South Wales and the South West of England.
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides chartered accountancy services including preparation of accounts, tax planning and compliance, payroll administration, audit, and business advisory support for businesses and individuals,…
Serves small businesses, start-ups, employers and individuals needing accountancy and tax support, with an emphasis on clients in Cardiff, Caerphilly and nearby areas.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Provides accounting and financial advisory services for businesses and individuals, including bookkeeping, management accounts, payroll, VAT, tax returns, corporation tax planning, company…
Serves small businesses, sole traders, partnerships, limited companies, charities, start-ups and individual taxpayers, primarily clients seeking ongoing financial support in South Wales.
Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy and business advisory services, including bookkeeping, accounts preparation, tax planning, VAT, payroll, corporate finance, and company secretarial support. Advises individuals…
Serves owner-managed businesses, start-ups and medical sector clients in Wales, alongside individuals needing personal tax, estate planning, retirement and self-assessment support.
Financial Health
StableStable · -5% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides accounting and taxation services for businesses, including preparation of annual accounts, VAT returns, bookkeeping, and payroll. Also offers tax planning, business start‑up advice, business…
Serves small businesses, start-ups and growing companies, primarily owner-managed businesses seeking ongoing accountancy and business advisory support.
Financial Health
StableStable · -7% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides accounting, auditing and tax advisory services for businesses and individuals, including corporate and personal tax planning, VAT advice, payroll, outsourced accounting, wealth planning, and…
Serves owner-managed businesses, entrepreneurs and private clients, alongside not-for-profit, voluntary, community and social enterprise organisations.
Financial Health
HealthyHealthy · 4% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -7% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 3 filingsProvides accountancy and business advisory services including audit and annual accounts, tax compliance and planning, management accounts, payroll and auto‑enrolment, accounting software support, and…
Serves businesses and individual clients, including corporate organisations, charities and public sector bodies. Targets new start businesses and legal-sector clients, and also supports personal tax…
Financial Health
StableStable · -2% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy and tax services for businesses and individuals, including preparation of annual accounts, tax planning and self‑assessment returns, payroll administration, VAT returns, business…
Serves small businesses, startups, employers and individual taxpayers needing accountancy and tax support, including clients with payroll, VAT, self-assessment and Making Tax Digital obligations.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides chartered accountancy and audit services for businesses and organisations, including financial accounts preparation, assurance, tax planning and advisory, VAT, payroll and PAYE, management…
Serves privately owned and owner-managed businesses, other organisations, and clients requiring probate and estate administration support.
Financial Health
WeakWeak · -3% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Hiring · 32% CAGR over 4y
Location
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Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable · Hiring · 19% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides accounting, tax planning and compliance services to individuals and businesses, including bookkeeping, financial reporting, payroll, cloud accounting using Xero, and advisory support on…
Serves individuals and businesses, from small local firms to large national and international companies, with emphasis on business owners using cloud accounting.
Financial Health
StableStable · Hiring · 16% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · 26% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
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Computed from 5 filingsProvides accounting, auditing, payroll, and tax advisory services for businesses and individuals. Offers business advisory, VAT support, cloud accounting software solutions, estate planning, probate…
Serves B2B and private clients: ambitious startups, established and growing SMEs in property, construction, manufacturing, engineering, digital/tech, SaaS and block management, plus property…
Financial Health
DistressedDistressed
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy services for sole traders, partnerships, and limited companies, including year-end accounts, bookkeeping, payroll, VAT returns, corporation tax and self-assessment filings. Also…
Serves UK sole traders, self-employed individuals, partnerships and small limited companies seeking local accountancy and tax support, including people starting, running, growing, buying or selling a…
Financial Health
WeakWeak · Hiring · 19% CAGR over 4y
Location
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Financial sub-scores
Computed from 2 filingsFinancial Health
StrongStrong · Hiring · 100% CAGR over 1y
Location
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Financial sub-scores
Computed from 3 filingsFinancial Health
HealthyHealthy · Hiring · 41% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
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Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 3y
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Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
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Computed from 3 filingsProvides chartered accounting and tax advisory services to businesses and individuals, including accounts preparation, tax returns, tax planning, investigations support, company secretarial services,…
Serves individuals and businesses, especially SMEs, charities and academies, construction and property firms, entertainment, media and sports clients, healthcare providers, retailers, and wealth…
Financial Health
WeakWeak · Hiring · 22% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
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Financial Health
N/AN/A
Location
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Financial Health
N/AN/A
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Financial Health
N/AN/A
Location
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Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 2 filingsFinancial Health
StableStable
Location
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Financial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsFinancial Health
StableStable · 0% CAGR over 3y
Location
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Financial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed
Location
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Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsFinancial Health
WeakWeak · Hiring · 23% CAGR over 3y
Location
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Computed from 4 filingsFinancial Health
StableStable
Location
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Computed from 5 filingsFinancial Health
DistressedDistressed · -16% CAGR over 4y
Location
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Computed from 4 filingsFinancial Health
StableStable · 0% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides accountancy services for businesses, including financial reporting, bookkeeping, management accounts, and accounting system setup. Offers ongoing monthly review of financial data and…
Serves ambitious business owners and SMEs seeking strategic accountancy support, particularly values-led companies focused on growth, resilience, and balancing people, planet and profit.
Financial Health
WeakWeak · -24% CAGR over 4y
Location
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Computed from 5 filingsFinancial Health
StrongStrong
Location
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Computed from 5 filingsProvides accountancy and business support services for small businesses, including bookkeeping, VAT and payroll processing, statutory and management accounts, company formation, company secretarial…
Serves small business owners and growing limited companies/LLPs in South Wales, particularly firms needing financial insight, statutory compliance support and interim finance leadership.
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
Location
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How Cardiff Bookkeeping companies work and how to sell to them
What they do
Bookkeeping firms in Cardiff usually monetise time-sensitive process work rather than one-off advice. Core revenue comes from monthly retainers covering transaction coding, reconciliations, payroll processing, management accounts and client communications around missing evidence. Fees tend to be tiered by transaction volume, payroll complexity, reporting cadence and the number of entities handled, with clean-up projects or system migrations billed separately. Delivery is professional services with software-enabled workflows: the client buys consistency, cut-off discipline and an accessible finance contact more than a standalone technology platform.
Who they sell to
Most providers sell to owner-managed companies, local employers and regional service businesses that do not want to build an internal finance team. The buyer is often the proprietor, finance director, operations lead or an external accountant influencing the choice. Smaller accounts are usually won through referral, local networking and direct conversations; larger payroll and multi-entity assignments may involve informal comparison exercises or an RFP-style process. Sales cycles tend to be shorter when the trigger is a missed deadline or staff departure, and longer when the buyer is moving historic records or consolidating suppliers across Cardiff and South Wales.
What they buy
Most bookkeeping providers tend to spend on practice-management software, payroll systems, bookkeeping automation, document capture, secure file exchange, CRM, billing and workflow tools. As delivery teams grow, the buying list widens into cyber security, IT support, data migration, professional indemnity advice, recruitment, training and client marketing. Products that reduce rework around missing documents, exception chasing and payroll approvals usually have a clearer route to budget than general productivity tools. Service vendors also need to fit around partner-led relationships, because many bookkeeping firms sit between the client, the accountant and the payroll contact.
Why and how to sell to them
Bookkeeping buyers tend to evaluate suppliers when manual handovers start to break, payroll errors create client noise, or pricing pressure makes low-value record entry less attractive. Commercial signals include recruitment for delivery roles, a new operations or finance lead, growth in payroll work, service expansion beyond basic record maintenance, and recent incorporation; 31 Cardiff bookkeeping firms were incorporated since 2022. Only one firm is above £5M revenue, so many sellers will need a modest initial contract and proof that implementation will not disrupt statutory timetables or client relationships.
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.
Sources
- Payroll Outsourcing Market Size & Share Analysis - Growth Trends and Forecast (2026 - 2031)
- Market Size (2026): USD 13.21 Billion.
- Market Size (2031): USD 17.83 Billion.
- Growth Rate (2026 - 2031): 6.19% CAGR.
- North America accounted for 40.70% of 2025 revenue.
- Asia-Pacific is the fastest-growing region at an 8.78% CAGR through 2031.
Also in Cardiff
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Frequently asked questions
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