Accountant Companies for Small Business in the UK: Firms and Services Guide
AC
Acumon Chartered Accountants·16 min read
Choosing an accountant is not simply about filing accounts or meeting tax deadlines. The right firm also shapes how clearly a business understands its finances, plans cash flow, and deals with changes as it grows.
The UK has a broad mix of accountancy providers, from independent local practices to online firms and larger teams offering tax, payroll, legal, and advisory services. Their working styles, technology, sector knowledge, and level of day-to-day involvement can differ considerably.
This guide looks at a selection of accountants for small businesses in the UK. It is not a ranking. Instead, it gives practical context on who these firms are, the businesses they work with, and the accounting services they provide.
Acumon
Acumon is a UK firm of chartered accountants and registered auditors providing accounting, tax, bookkeeping, and business support services to small businesses across the United Kingdom.
The firm works with organisations ranging from startups and growing owner-managed businesses through to established SMEs, charities, corporate groups, and regulated entities. Accounting services are delivered by a UK-based team and structured around accurate financial records, statutory reporting obligations, tax compliance, and clear management information.
Acumon supports small businesses with day-to-day bookkeeping, annual accounts preparation, management accounts, payroll, VAT reporting, and wider tax matters. The firm also works with businesses that require more specialist financial reporting under UK GAAP, FRS 102, FRS 105, or IFRS.
Alongside its accountancy services, Acumon is a registered statutory auditor and holds a Public Interest Entity (PIE) audit licence. This authorisation allows the firm to audit listed companies and other organisations subject to enhanced regulatory oversight in the United Kingdom.
Acumon also holds audit licences in several international financial centres, including the Cayman Islands, British Virgin Islands (BVI), Jersey, and Isle of Man. These registrations support corporate groups with entities located across the UK and international jurisdictions.
Small businesses operating within wider group structures require consistent bookkeeping, statutory accounts, tax reporting, and financial information across each entity. This is particularly relevant to businesses working in sectors such as investment management, technology, energy, and international trade.
Acumon works directly with business owners, finance teams, and boards to manage accounting responsibilities while strengthening financial reporting processes, internal controls, and access to reliable financial information as the organisation grows.
Accounting Capabilities
Acumon provides accounting and financial reporting support across a wide range of organisational structures and sectors.
These include:
UK limited companies and corporate groups
Public Interest Entities (PIEs) and regulated organisations
offshore holding companies and investment vehicles
Accounting work is typically overseen by experienced professionals who remain directly involved in understanding the business, reviewing its financial records, and addressing reporting or compliance issues.
Regulatory Licences and Registrations
Acumon holds several professional registrations that enable it to support businesses operating in the UK and across international jurisdictions.
These include:
UK statutory audit registration
Public Interest Entity (PIE) audit licence
Jersey audit licence
Isle of Man audit licence
Cayman Islands audit licence
British Virgin Islands audit licence
These registrations allow the firm to continue supporting small businesses as they grow into more complex groups, establish overseas entities, seek investment, or become subject to additional reporting and audit requirements.
Core Services
Acumon provides a range of accounting, reporting, tax, governance, and audit services for small businesses and growing organisations.
These include:
statutory external audit
group and subsidiary audits
Public Interest Entity (PIE) audits
charity and not-for-profit audit
audit of international group structures
internal audit and governance reviews
risk management and compliance support
The firm's wider accounting work can also cover annual statutory accounts, bookkeeping and accounting records, corporation tax compliance, management accounts, financial reporting support, payroll, VAT.
Many small businesses begin with relatively straightforward accounting requirements. As turnover, staffing, investment, and business activity increase, their reporting and compliance responsibilities often become more demanding.
Acumon works with businesses that are:
approaching their first statutory audit
preparing for external investment
expanding into international markets
operating within corporate group structures
Working with an accountant before these changes take place can help a business organise its records, improve financial reporting, identify potential compliance issues, and prepare its systems for future growth.
Address: 1-2 Craven Road, Ealing, London, W5 2UA, UK
Accountsway
Accountsway is an online accountancy firm based in London, working with small businesses, freelancers, start-ups, ecommerce sellers, individuals, and companies in the UK and overseas. They handle routine accounting work such as bookkeeping, company accounts, tax returns, VAT preparation, payroll, and electronic filings, with services delivered remotely.
Their wider work includes virtual CFO services, company formation, financial modelling, business analysis, data analytics, and accounting system implementation. Their team combines accounting, financial reporting, operational, and business development experience, allowing them to work on both day-to-day compliance and the financial processes behind a growing business.
Key Highlights:
Online accountancy and bookkeeping model
Based in Covent Garden, London
Works with UK and international clients
Services for start-ups, freelancers, ecommerce sellers, and established companies
Experience in financial reporting, controls, analytics, and system implementation
SBX Accountants is a chartered accountancy firm with offices in London and Slough. They work with sole traders, start-ups, entrepreneurs, small businesses, and limited companies across the UK, as well as some overseas clients. The firm was founded by a PwC-trained chartered accountant and combines traditional compliance work with ongoing business advice.
They take a hands-on approach to client communication and deal with HMRC obligations, bookkeeping, accounts, payroll, VAT, and other regulatory tasks. Their work also covers specific groups such as property investors and tradespeople, with support shaped around how each client operates rather than a single standard process.
Key Highlights:
Chartered accountancy firm
Offices in London and Slough
Works with sole traders, start-ups, and limited companies
Supports clients across the UK and overseas
Direct access to the leadership team
QuickBooks certified advisers
Focus on practical communication and ongoing advice
Accounts and Legal brings accounting, tax, payroll, and legal services together within one firm. They work with sole traders, start-ups, limited companies, growing SMEs, established businesses, and companies with internal finance teams that need extra oversight. Their accounting team includes ACA and ACCA-qualified professionals, while their in-house solicitors handle legal matters affecting the business.
Their process begins with a review of the company, its existing financial setup, and the tasks taking up the owner's time. They then manage areas such as bookkeeping, VAT, payroll, Corporation Tax, Companies House filings, management accounts, and cash flow planning. Quarterly meetings are used to review performance, discuss upcoming tax issues, and keep financial decisions tied to current figures rather than relying only on year-end accounts.
Key Highlights:
Combined accounting and legal practice
Works with businesses at different stages of development
ACA and ACCA-qualified accounting team
In-house tax and legal specialists
Quarterly business review meetings
Xero Platinum Partner
Handles accountant transitions and document handovers
Works alongside internal finance teams where needed
Services:
Bookkeeping
VAT returns
Payroll
Corporation Tax
Companies House filings
Annual accounts
Management accounts
Cash flow planning
Tax planning
Director remuneration planning
Company formation
Financial reporting
Accounting process reviews
Accountant switching support
Fractional CFO services
Business valuations
Trademark registration
Commercial legal advice
Legal document support
Exit planning
Contact information:
Website: accountsandlegal.co.uk
Phone: 020 7043 4000
Address: The Hop Exchange, 24 Southwark Street, South Bank, London, SE1 1TY
Mollan & Co
Mollan & Co is an accountancy practice based in York. They work with business start-ups, established companies, individuals, and landlords, providing accounting services through a team of client managers, payroll specialists, and administrative staff. Each client is assigned a dedicated manager who deals with questions and oversees the ongoing relationship.
The firm uses cloud-based accounting technology alongside conventional accountancy work. Their process centres on understanding the client's goals, business requirements, and current systems before deciding how the work should be handled. They offer fixed monthly fees and an initial consultation without an obligation to proceed.
Key Highlights:
York-based accountancy practice
Dedicated client manager for each client
Works with start-ups, established businesses, individuals, and landlords
Crunch combines accounting software with access to certified UK accountants and tax professionals. They work with sole traders, limited companies, ecommerce businesses, and larger small businesses with more involved accounting requirements. Clients use the platform to manage invoices, expenses, bank transactions, filings, and communication with the accounting team.
Their services cover bookkeeping, Self Assessment, payroll, VAT, annual accounts, and tax advice. They also provide HMRC-recognised Making Tax Digital software and a separate service for businesses with complex company structures, higher transaction volumes, international currencies, or ecommerce systems that need to connect with the accounting platform.
Key Highlights:
Accounting software and human accountant service
ACCA-accredited practice
HMRC-recognised software
Works with sole traders and limited companies
Services for ecommerce and more complex small businesses
Access to certified accountants
Supports Making Tax Digital requirements
Software for tracking financial activity in one place
Address: Unit W8A, The Knoll Business Centre, 325-327 Old Shoreham Road, Hove, BN3 7GS
Facebook: www.facebook.com/CountOnCrunch
Twitter: x.com/CountOnCrunch
LinkedIn: www.linkedin.com/company/countoncrunch
Instagram: www.instagram.com/countoncrunch
AA Accountants UK
AA Accountants UK is a Bristol-based firm of Chartered Certified Accountants serving businesses and individuals in the UK and overseas. They work with sole traders, partnerships, limited companies, small and medium-sized businesses, landlords, investors, and individual taxpayers. Their team deals with routine accounting and tax work while keeping communication open through telephone and email support.
They prepare and file annual accounts, manage bookkeeping and payroll, and handle tax returns, property tax, and Making Tax Digital requirements. The firm also develops tax-efficient plans around each client's circumstances and works to keep filing deadlines and compliance obligations under control. Meetings are arranged around the client's availability, with fees agreed in advance.
Key Highlights:
Bristol-based accountancy firm
ACCA-qualified team
Works with UK and international clients
Fixed annual fee structure
Initial consultation available
Telephone and email support
Services for businesses, landlords, investors, and individuals
Clear House Accountants is an ACCA-regulated firm with offices in London, Stanmore, and Harrow, alongside an international presence. They work with businesses through cloud-based accounting systems, real-time financial information, and ongoing advisory work. Their team combines accounting and tax services with business planning, financial strategy, and process improvement.
They use tools such as Xero, QuickBooks, and Sage to organise reporting and give clients regular access to their numbers. The wider service also brings in external expertise through partnerships covering funding, banking, legal services, marketing, software, protection, and wealth management. Their advisory work includes cash flow management, forecasting, risk planning, and business exit preparation.
Mazuma runs a subscription-based accounting service built around sole traders, freelancers, limited companies, partnerships, and other micro businesses. Clients send their receipts, invoices, and bills by post, email, or online, and the accounting team handles the bookkeeping and tax work. Businesses are not required to learn or manage accounting software themselves.
Each client is assigned an accountancy team that deals with monthly records, annual accounts, tax returns, VAT, and payroll. They also handle HMRC and Companies House registrations, company changes, tax planning, and accountant transfers. Services are charged monthly, with packages adjusted to the structure and workload of the business.
S&B Accountants is a London firm working with start-ups, contractors, sole traders, partnerships, limited companies, charities, landlords, and property investors. Their team is ACCA-qualified and provides clients with a dedicated manager who oversees accounts, tax work, and ongoing queries. They operate from offices in East London and Wood Green.
Their services cover bookkeeping, payroll, company accounts, tax planning, VAT, and company secretarial work. They also handle less routine areas such as forensic accounting, charity reporting, business loan applications, investor materials, and sector-specific compliance. Clients using online accounting platforms receive help setting up and working with Xero, QuickBooks, FreeAgent, or Sage.
Accounting Wise provides online accountancy services for limited companies, sole traders, partnerships, contractors, freelancers, landlords, ecommerce sellers, and other small businesses across the UK. Clients receive a dedicated accountant and choose either a prepared package or a set of individual services. Communication is handled online, by phone, or through in-person appointments.
They use cloud accounting platforms such as Xero, QuickBooks, Sage, FreeAgent, Dext, Pandle, and Clear Books to manage invoices, expenses, bookkeeping, and reporting. Their team deals with routine filing and compliance, while also handling company formation, payroll, tax planning, share changes, registered office services, internal control reviews, and accountant transfers.
Key Highlights:
Online, telephone, and in-person service
Dedicated accountant for each client
AAT, ACCA, ICAEW, and ICPA credentials within the team
Build-your-own and prepared service packages
Cloud accounting software included with selected services
Works with several business structures and trades
Handles communication with previous accountants and HMRC
Blue Shore is a London-based accountancy firm led by qualified accountants with experience in finance management and commercial decision-making. They work with business owners on everyday financial administration as well as wider issues such as cash flow, planning, funding, and business purchases. Their style is based around direct conversations and access to people who understand the financial work in detail.
The team covers bookkeeping, accounts, and management accounting, alongside practical advice for businesses working through change or growth. They also use platforms such as QuickBooks and Sage, keeping accounting records accessible while retaining a personal service through phone calls and direct contact with the team.
Key Highlights:
London-based accountancy firm
Senior team made up of qualified accountants
Experience in commercial finance and financial management
Direct access to accounting staff
Phone-based and personal communication
Uses cloud accounting software
Works on routine accounts and wider business decisions
Experience with purchases, funding, and business planning
Hawsons is a firm of chartered accountants with offices in Sheffield, Doncaster, and Northampton. Their small business team works with sole traders, partnerships, limited companies, start-ups, and growing businesses. They handle both the early stages of setting up a company and the accounting, tax, and reporting work needed once operations are underway.
Their work includes statutory accounts, management accounts, bookkeeping, VAT, tax advice, financial forecasting, and accounting software implementation. They also advise on funding and banking relationships, and their sector work covers areas such as hospitality, engineering, property, retail, consulting, architecture, education, and IT. When a client changes accountants, they manage the professional clearance and onboarding process with the previous firm.
Key Highlights:
Offices in Sheffield, Doncaster, and Northampton
Team covering business, corporate, tax, and audit services
Works with sole traders, partnerships, and limited companies
Services for start-ups and established businesses
Sector-specific accounting experience
Advice shaped around the client's business and current stage
Handles accountant switching and professional clearance
Small Business Accounting Ltd is an independent accountancy practice based in the Forest of Dean area of Gloucestershire. They work with self-employed people, sole traders, small limited companies, partnerships, and franchisees in Lydney, Monmouth, Gloucester, Bristol, and nearby areas. The service is run on a hands-on basis, with clients dealing directly with the accountant responsible for their records and filings.
Their core work covers Self Assessment, Corporation Tax, VAT, PAYE, bookkeeping, and accounts reporting. They use HMRC-recognised software and work with Xero, FreeAgent, and Coconut, including tools aimed specifically at sole traders and self-employed clients. The practice is supervised by HMRC for anti-money laundering compliance and is registered with the Information Commission (which replaced the Information Commissioner's Office, ICO, on 30 September 2026).
Choosing an accountant usually comes down to how a business operates, what kind of support it needs, and how involved the firm is expected to be. Some organisations want straightforward help with accounts, tax returns, payroll, and VAT. Others need regular reporting, cash flow planning, sector knowledge, or advice that goes beyond the annual filing cycle.
That is why it helps to compare more than service lists. Working style, communication, software, team structure, location, and experience with similar businesses all matter. This guide brings those details together so organisations can narrow the field, ask better questions, and choose an accountant based on their actual needs rather than a broad claim or a familiar name.
AC
Written by the Acumon team
Acumon is an ICAEW-registered firm of chartered accountants and registered auditors
based in London, with offices in Pitstone, Aylesbury and Bournemouth. Need advice on
anything covered here? Talk to us.
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