{"id":3868,"date":"2025-02-21T12:51:26","date_gmt":"2025-02-21T12:51:26","guid":{"rendered":"https:\/\/www.whizconsulting.net\/uk\/?p=3868"},"modified":"2026-08-06T08:22:35","modified_gmt":"2026-08-06T07:22:35","slug":"top-accounting-firms-uk","status":"publish","type":"post","link":"https:\/\/www.whizconsulting.net\/uk\/blog\/top-accounting-firms-uk\/","title":{"rendered":"Top Accounting Firms in the UK: A Complete Comparison Guide"},"content":{"rendered":"

Whether you’re a startup managing tight budgets or an established business looking for greater financial control, choosing the right accounting services provider matters. The top accounting firms UK businesses rely on combine experienced professionals with cloud-based technology to deliver efficient, scalable financial management solutions.<\/p>\n

From global leaders like Deloitte and PwC to outsourced accounting specialists such as Moore UK and Whiz Consulting, this guide explores the firms helping UK businesses modernise their finance functions.<\/p>\n\t

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Which Are the Top Accounting Firms in the UK?<\/h2>\n

The top accounting firms in the UK include Deloitte, EY, PwC, KPMG, and BDO. Over the years, these have established themselves as pioneers in the field of finance and accounting and paved the way for innovation and high professional standards. Let\u2019s dive into what these firms offer, what sets them apart, and why they remain the top choice for businesses and professionals alike.<\/p>\n

1. Deloitte<\/h3>\n

Founded in 1845, Deloitte is part of the global \u201cBig\u202fFour,\u201d and one of the top accounting firms in UK with more than 27,000 professionals serving clients in finance, healthcare, public sector, private equity and energy sector. Being one of the top auditing firms, they offer audit prep, business and international tax, payroll, finance transformation, and strategy consultation services.<\/p>\n

Leveraging platforms such as SAP, Oracle, Salesforce, Google Cloud, Adobe, and UiPath, Deloitte automates your financial operations, offering a faster turnaround time. As a truly global leader, they pair deep-industry insight with proprietary solutions like Deloitte\u202fOmnia to enhance the auditing process.<\/p>\n

2. PwC<\/h3>\n

With presence in the UK since 1998, PwC is another top accounting firm in the UK. The company has over 25,000 professionals working to deliver audit, accounting, tax compliance, financial planning and analysis, and finance statement prep services to clients. They integrate Microsoft\u202f365, NetSuite, Salesforce, SAP, Sage, and Workiva, offering you tech\u2011driven workflows and solutions.<\/p>\n

Renowned for championing diversity and sustainability, PwC UK blends human expertise with smart automation to help clients navigate complex situations, mitigate risk, and secure long\u2011term financial growth.<\/p>\n

3. EY<\/h3>\n

Among the biggest accounting firms in the UK is EY, with its solid workforce of 20,000+ professionals. As a major auditing firm, their team delivers financial transformation, risk advisory, audit, assurance, forensic accounting, and tax compliance.<\/p>\n

They hold expertise in accounting proficiency in MS\u202fAzure, SAP, Nvidia, Shopify, and UiPath, and use automation, AI, and analytics to provide clients with real\u2011time insights, M&A advisory, and make tax strategies. EY\u2019s global scale, sector expertise, and tech integration empower businesses to build trust, reduce complexity, and drive growth that lasts long.<\/p>\n

4. KPMG<\/h3>\n

Established in 1987, KPMG UK is part of the global KPMG network, with over 14,000 professionals serving multinational corporations and SME businesses. They offer tax strategy, VAT and corporate tax, IFRS & UK GAAP compliance, automated operations, risk management, audit, and consulting services.<\/p>\n

With expertise in Microsoft, Oracle, SAP, Salesforce, and IBM, KPMG leverages these platforms to provide smarter audits, seamless compliance, and operational efficiency for your business. Boasting as one of the largest accounting firms in the UK, their sector expertise and risk management services help businesses keep on financially growing stress-free.<\/p>\n

5. BDO<\/h3>\n

Established in 1903, BDO is one of the top accounting firms in the UK with over 8,000 professionals delivering tax support (corporate, VAT, and indirect tax), business planning, payroll, financial reporting advisory, and HMRC compliance. They utilise MS\u202fDynamics, QuickBooks, Twinfield, AccountsIQ and Xero to deliver personalised services with strong industry expertise to solve your business queries.<\/p>\n

BDO\u2019s tailored approach and tech\u2011driven insights position them as a trusted growth partner for SMEs and large enterprises seeking scalable financial solutions.<\/p>\n

6. RSM UK<\/h3>\n

Founded in 1964, RSM\u202fUK is a leading mid\u2011market firm with over 5,000 employees offering audit, tax support (corporate, VAT, and indirect), risk advisory, and international services. They blend traditional methods with modern accounting platforms, such as NetSuite, Sage, Microsoft\u202f365, and proprietary tools like\u202fPay\u202fManager, People\u202fManager, and InTime.<\/p>\n

Serving clients in tech, media, manufacturing, education, energy, real estate, and NGOs, RSM\u2019s sector expertise empowers mid\u2011sized businesses to streamline their operations and boost growth. RSM UK offers you comprehensive and data\u2011driven solutions that are moulded according to your business needs.<\/p>\n

7. Grant Thornton UK<\/h3>\n

Established in 2004, Grant Thornton, one of the biggest accounting firms in the UK, employs more than 5,000 professionals. It delivers comprehensive tax support, CFO services, statutory financial statements, and month\u2011end reporting services. Popular with mid\u2011sized businesses and public interest entities, they extend into ESG advisory, financial due diligence, and operational improvement.<\/p>\n

By integrating Dayshape, Leap, MS Power\u202fBI, and the Workday suite, Grant Thornton blends sector expertise with advanced technology to help you grow sustainably and streamline financial processes.<\/p>\n

8. Forvis Mazars<\/h3>\n

Founded in 1945, Forvis\u202fMazars has grown into an international firm with over 3,000 UK professionals delivering financial advisory, tax support, accounting, payroll, and risk consulting services. They offer expertise across real estate, retail, manufacturing, energy & infrastructure, and media & tech sectors.<\/p>\n

Forvis Mazars is counted among the top ten accounting firms as it fuses technical excellence with their client\u2011first approach. Leveraging Xero, SAP, NetSuite, MS\u202fDynamics\u202f365, and Sage, Forvis\u202fMazars combines digital expertise and tailored services to help your business manage operations for the long run.<\/p>\n

9. S&W Group<\/h3>\n

Founded in 1881 and one of the top auditing firms in the UK, Smith\u202f&\u202fWilliamson, now rebranded as S&W Group, employs over 4,000 professionals. It offers accounting advisory, business outsourcing, payroll, comprehensive tax planning and compliance, and digital and forensic services.<\/p>\n

Their services emphasise strategic guidance, financial planning, and growth advisory. They work with accounting software such as FinTech North, Relativity, and Dayshape to empower your business with optimised financial operations, manage risks, and help achieve long\u2011term objectives.<\/p>\n

10. Crowe UK<\/h3>\n

Founded in 2004, Crowe\u202fUK is part of the Crowe Global network with over 1,400 UK professionals delivering audit, tax advisory services (HMRC compliance and VAT support), bookkeeping, monthly cash\u2010flow forecasting, app implementation, payroll, and corporate finance.<\/p>\n

With thorough sector expertise in real estate, energy, retail, and healthcare, they blend personalised services with cloud platforms such as Sage, Microsoft\u202fAzure, Xero, and Dext for valuable insights. Extensive industry-expertise combined with innovative technology allows Crowe to provide reliable accounting services and emerge as one of the top accounting firms in the UK.<\/p>\n

Top 10 Outsourced Accounting and Bookkeeping Firms in the UK<\/h2>\n

Leading outsourced accounting firms in the UK include The Accountancy Partnership, Moore UK, PKF, Whiz Consulting, Meru Accounting, and Accountancy Cloud, alongside several other established providers. The firms below are recognised for their expertise in bookkeeping, payroll, tax compliance, cloud accounting, and outsourced finance services for businesses of all sizes.<\/p>\n

1. The Accountancy Partnership<\/h3>\n

Founded in 2006, the Accountancy Partnership brings a modern touch to virtual accounting for UK freelancers and small businesses. With a robust team of 100+ professionals, they offer precise bookkeeping, payroll, VAT, and self-assessment returns, along with detailed financial reporting. They also manage quarterly RTI returns, including CIS returns and submissions.<\/p>\n

The company uses its proprietary cloud bookkeeping tool, Pandle, to streamline its workflow, leverage accounting automation, reduce turnaround time, and simplify tax compliance.<\/p>\n

2. 123Financials<\/h3>\n

Established in 2017, 123Financials is listed among the top accounting firms in the UK, and they support small businesses, startups, freelancers, and landlords with practical F&A services. With a team of 40+ accountants and bookkeepers, they provide tax planning, VAT and Capital Gains Tax support, R&D tax credit advice, and cash-flow management while ensuring full HMRC compliance.<\/p>\n

By leveraging virtual accounting platforms such as Xero, QuickBooks, and Zoho Books, 123Financials delivers efficient, transparent accounting and bookkeeping services. Their technology-driven approach helps businesses simplify tax management, maintain healthy cash flow, and gain better financial control to support sustainable growth.<\/p>\n

3. Moore UK<\/h3>\n

Moore brings more than a century of expertise to the modern financial services space. As part of the global Moore network (founded in 1907), they deliver bookkeeping, advisory, payroll (including PAYE deductions, pension administration, and P60 prep), tax services (VAT returns, VAT advice, registration), and audit services for clients worldwide.<\/p>\n

Their large team of 5,000+ professionals use platforms like Xero, QuickBooks, Sage One, and FreeAgent to streamline operations. Combining international scope with personalised outsourced accounting services, Moore UK empowers both SMEs and large enterprises with scalable, tech-integrated financial solutions and forward-thinking strategies.<\/p>\n

4. The Numbersmith Limited<\/h3>\n

Founded in 1992, the Numbersmith is a UK-based accounting firm offering comprehensive accounting and bookkeeping services to help businesses streamline their finances. With a team of 45+ professionals, they deliver reconciliations, payroll, transaction recording, VAT returns, and ongoing support to ensure smooth HMRC compliance for growing businesses.<\/p>\n

By leveraging cloud accounting platforms such as QuickBooks and Xero, The Numbersmith enables efficient, transparent financial management. With nearly three decades of experience, they are particularly well-suited to small businesses and startups seeking reliable expertise, improved financial control, and long-term stability.<\/p>\n

5. Whiz Consulting<\/h3>\n

Established in 2014, Whiz Consulting has earned its reputation as one of the top accounting outsourcing firms in the UK. They have expertise in providing remote bookkeeping, payroll processing, tax compliance support (VAT compliance & UK IFRS), financial reporting and analysis, and virtual CFO services. Their expert virtual accountants offer accounting outsourcing services<\/strong><\/a> across sectors like real estate, hospitality, media and marketing, healthcare, and ecommerce.<\/p>\n

With over 10+ years of experience, they have strong proficiency in online accounting software, including Xero, NetSuite, QuickBooks, Zoho Books, and MS Dynamics. With a team of 150+ professionals, Whiz Consulting delivers tailored F&A solutions that are reliable and scalable. Also, they are an SOC 2 and ISO 1900:27001 certified firm, which further fortifies their reputation for being a trusted outsourcing accounting firm.<\/p>\n

6. Watermill Accounting<\/h3>\n

Established in 2009, Watermill Accounting is a UK-based firm with a team of 40+ accountants and bookkeepers delivering year-end accounts, monthly bookkeeping, reconciliations, PAYE setup, VAT registration, R&D tax credits, cash-flow forecasting, and tax planning. They support corporations, startups, and freelancers seeking structured, reliable financial management.<\/p>\n

Using top accounting software such as Xero and QuickBooks, Watermill Accounting helps clients maintain accurate records, improve cash-flow visibility, and make informed strategic decisions. Their technology-led approach supports sustainable growth while strengthening financial readiness for funding and long-term expansion.<\/p>\n

7. PKF<\/h3>\n

Established in 1969, PKF is one of the biggest accounting firms in UK, which operates with more than 21,000 professionals, bringing decades of cross-border experience to the table. They offer a full spectrum of services, including accounting, VAT support, statutory and internal audits, risk management, and detailed financial planning.<\/p>\n

They use cloud accounting software such as Xero, QuickBooks, and Sage to deliver real-time insights. With a diverse team of online professionals, the company provide its services across various industries such as NPOs, retail, IT, manufacturing, real estate, and hospitality.<\/p>\n

8. Meru Accounting<\/h3>\n

Founded in 2013, Meru Accounting has grown into a large accounting firm with a team of 400+ accountants and bookkeepers delivering end-to-end finance and accounting services. Their services include accounts payable and receivable management, VAT claim calculations, CIS return submissions, payroll processing, and tax return preparation for businesses of all sizes.<\/p>\n

By leveraging platforms such as QuickBooks, Xero, Zoho Books, Odoo, FreshBooks, and NetSuite, Meru Accounting ensures seamless financial management. With experience across industries such as construction, e-commerce, real estate, marketing, and pharma, they tailor their approach to each client\u2019s business structure, enabling accuracy, compliance, and scalable growth.<\/p>\n

9. Accountancy Cloud<\/h3>\n

Founded in 2014, Accountancy Cloud provides specialised virtual accounting, CFO services, tax advisory, bookkeeping, year\u2011end accounting, VAT return prep, and R&D tax credit support. Their versatile team of about 50 accountants tailor these services specifically for startups and SMEs across tech, SaaS, retail, and ecommerce sectors.<\/p>\n

They integrate with Xero, Sage, Dext, PayPal, Stripe, Shopify, and QuickBooks to automate your workflows and deliver real-time clarity. Supported by a boutique UK team of certified experts, they offer scalable finance services that drive growth and free up your time to focus on other core business activities.<\/p>\n

10. Makesworth Accountants<\/h3>\n

Established in 2012, Makesworth Accountants supports businesses of all sizes with a team of around 45 accounting professionals. They work across industries, including construction, travel and tourism, real estate, and hospitality, delivering reliable finance and accounting support tailored to each sector\u2019s needs.<\/p>\n

Leveraging cloud platforms such as QuickBooks, Sage, FreeAgent, and Xero, Makesworth Accountants provides year-end accounts, bookkeeping, payroll, transaction recording, tax planning, R&D tax credits, and VAT returns. Their hands-on, data-driven approach helps clients streamline financial operations, stay compliant, and support steady business growth.<\/p>\n

How to Choose a Suitable Accounting Firm in the UK?<\/h2>\n

Selecting the right accounting firm depends on your business requirements, industry, growth plans, and preferred way of working. The factors below can help narrow your options.<\/p>\n

 <\/p>\n

What Are Your Business Needs?<\/h3>\n

Start by identifying the services you actually require. Some businesses only need bookkeeping and payroll support, while others require tax planning, CFO advisory, or a fully outsourced finance function.<\/p>\n

Look for Relevant Qualifications<\/h3>\n

Choose firms with professionals accredited by recognised UK bodies such as ACCA, ICAEW, or CIMA. These qualifications demonstrate technical expertise and adherence to professional standards.<\/p>\n

Industry Experience Matters<\/h3>\n

An accounting firm with experience in your sector will understand industry-specific regulations, reporting requirements, and operational challenges.<\/p>\n

Technology and Software Expertise<\/h3>\n

Modern accounting firms should be proficient with cloud accounting platforms such as:<\/p>\n