Top Audit Services Companies in Edinburgh: Top Options for Reliable Assurance

Edinburgh is a key business centre in Scotland, with many limited companies, PLCs, charities, non-profits, and international subsidiaries facing statutory audit requirements. The best company audit services companies in the city go beyond basic compliance, providing independent assurance that strengthens financial controls, builds trust with stakeholders, and often highlights practical ways to improve operations.

Top providers in Edinburgh range from global networks with broad sector expertise to strong local and regional teams focused on responsive, personalised support. They handle statutory audits for UK companies and PLCs, charity assurance, international group subsidiary audits, internal controls reviews, and related advisory work. The strongest options combine high ethical standards, good grasp of the Scottish business environment, and a practical approach that turns audit obligations into real strategic benefits. Businesses usually look at experience, availability, sector fit, and how well the service matches their size and type when choosing audit support in Edinburgh.

Acumon

Acumon provides company audit services from our base in London while actively serving clients in Edinburgh and across Scotland as part of our UK-wide practice. We act as external auditors for a range of entities including UK PLCs, limited companies, charities, and international group subsidiaries that have operations or reporting needs connected to the Edinburgh business market. Our audits focus on meeting statutory requirements with clear reporting and dedicated specialists who understand the local regulatory environment in Scotland. All our professionals remain UK-based to ensure consistent quality and easier access for clients in the Edinburgh area.

We handle statutory audits that deliver reliable financial assurance tailored to the specific circumstances of businesses active in Edinburgh’s diverse economy – from established firms in financial services and professional sectors to growing companies and charities based in the city. Our approach combines compliance with practical insights where relevant, drawing on the experience of staff who have previously worked with HMRC to support related tax and reporting matters that often arise for Edinburgh-based clients.

Key Highlights:

• Registered audit firm authorised by ICAEW
• External audits for PLCs and limited companies
• Charity and non-profit audit services
• Audits for international group subsidiaries
• UK-based professionals serving Edinburgh clients
• HMRC background in tax-related staff

Services:

• Audit services
• Accounts preparation and bookkeeping
• VAT returns and compliance
• Tax planning and returns
• Payroll processing
• Business advisory
• Risk and tech assurance
• Company secretarial filings

Contact Information:

• Website: acumon.com
• Phone: 020 8567 3451
• Email: mail@acumon.com 
• Address: 1-2 Craven Road, Ealing, London, W5 2UA, UK

Johnston Carmichael

Johnston Carmichael offers audit and assurance services from its Edinburgh office on Melville Street. The company provides expert compliance advice and assurance to businesses across various sectors. Audit work gets led by partners with experience in the field. The Edinburgh presence supports a mix of audit, tax and advisory for local clients. Risk assurance and internal audit also form part of what they handle. Clients sometimes mention the practical focus on Scottish businesses when chatting about their experiences.

Key Highlights:

• Audit and assurance services available
• Edinburgh office on Melville Street
• Compliance advice in audit work
• Risk assurance and internal audit offered
• Sector experience across businesses
• Partner-led delivery mentioned

Services:

• Audit and assurance
• Tax services
• Business advisory
• Payroll
• Bookkeeping
• Employment tax
• Pension advice
• Risk assurance

Contact Information:

• Website: johnstoncarmichael.com
• Phone: 0131 220 2203
• Address: 7-11 Melville Street, Edinburgh, EH3 7PE
• LinkedIn: www.linkedin.com/company/johnston-carmichael-chartered-accountants-and-business-advisers
• Facebook: www.facebook.com/JohnstonCarmichael
• Twitter: x.com/JC_Accountants
• Instagram: www.instagram.com/johnston_carmichael

Forvis Mazars

Forvis Mazars provides audit and advisory through its Edinburgh office at Capital Square on Morrison Street. The company handles audit alongside tax compliance, accounting outsourcing and other advisory areas. Services get tailored with insight into sectors like healthcare, financial services and charities. The Edinburgh setup includes work for private individuals too. Audit forms part of a broader range that covers corporate finance and financial planning. Many who use them point out the blend of local and international angles in conversations.

Key Highlights:

• Audit and advisory in Edinburgh
• Office at Capital Square
• Sector specialisms in healthcare, financial services, charities
• Support for private individuals
• Tax compliance included
• Accounting outsourcing available

Services:

• Audit and assurance
• Tax compliance and advisory
• Accounting and financial outsourcing
• Corporate finance and deal advisory
• Financial planning
• Advisory services

Contact Information:

• Website: www.forvismazars.com
• Phone: +44 131 313 7900
• Address: 58 Morrison Street, Edinburgh, EH3 8BP, United Kingdom
• Facebook: www.facebook.com/ForvisMazarsGroup
• LinkedIn: www.linkedin.com/company/forvis-mazars-in-the-uk
• Twitter: x.com/ForvisMazarsUK
• Instagram: www.instagram.com/forvismazarsuk

S&W Group

S&W Group delivers audit and assurance from its Edinburgh office near Queensferry Road at Q Court. The company focuses on external auditing that aims to provide clarity for businesses and stakeholders. Bespoke advice covers audit alongside personal tax, corporate tax and business outsourcing. Sectors include professional services, technology, manufacturing and hospitality. The Edinburgh location makes it handy for clients across Scotland. Advisory work often ties into growth opportunities.

Key Highlights:

• Audit and assurance offered
• External auditing expertise
• Edinburgh office near Queensferry Road
• Sector coverage in technology, retail, charity
• Bespoke advice for businesses
• Outsourcing included

Services:

• Audit and assurance
• Personal tax planning
• Corporate tax
• Business outsourcing
• Advisory consulting
• Payroll services
• Corporate finance

Contact Information:

• Website: www.swgroup.com
• Phone: +44 131 625 5151
• Email: legal@swgroup.com
• Address: Court, 3 Quality Street, Edinburgh EH4 5BP
• LinkedIn: www.linkedin.com/company/swgroupuk
• Twitter: x.com/S_W_Group

Henderson Loggie

Henderson Loggie offers audit and assurance services including statutory audits, external audits, and financial assurance from offices across Scotland, including Edinburgh. The company provides independent audits that ensure financial transparency, compliance, and stakeholder confidence for a variety of clients. Services cover owner-managed businesses, large multi-national groups, commercial entities, charities, universities, and public sector organisations. Audit teams bring expertise in UK financial reporting and International Financial Reporting Standards to address business strategies and risks. Regular communication on financial matters and legislative changes helps maintain strong client relationships.

Internal audit consulting remains a key part, with focus on controls enhancement, risk management, assurance reviews, fraud prevention, and digital governance. Third party assurance such as ISAE 3402 reports gets delivered for systems and processes. The setup serves public sector bodies, housing associations, education institutions, and private clients with practical improvements. 

Key Highlights:

• Internal audit consulting
• Internal controls and compliance
• Risk management support
• Fraud prevention and investigations
• Digital governance assurance
• Public sector focus

Services:

• Internal audit
• Risk management consulting
• Third party assurance
• Fraud detection
• Performance improvement
• Digital assurance

Contact Information:

• Website: hlca.co.uk
• Phone: 0141 471 9870
• Email: info@hlca.co.uk
• Address: The Stamp Office, Level 5, 10-14 Waterloo Place, Edinburgh, EH1 3EG
• LinkedIn: www.linkedin.com/company/hendersonloggie
• Facebook: www.facebook.com/HendersonLoggie
• Instagram: www.instagram.com/hendersonloggie

TC Group (TC Alexander Sloan)

TC Alexander Sloan, as part of TC Group, offers audit services from its Edinburgh office on Fountainbridge. The company includes external and internal audit in its accountancy work. Compliance services sit alongside advisory for SMEs, charities and owner-managed businesses. The Edinburgh team handles accounts, tax and business advice with a no-jargon approach. Audit gets provided by registered auditors in the office. Support extends to personal financial planning too.

Key Highlights:

• External and internal audit
• Edinburgh office on Fountainbridge
• Compliance and accounts included
• Focus on SMEs and charities
• No-jargon delivery
• Personal tax elements

Services:

• Audit services
• Accounts and compliance
• Tax advice
• Business advisory
• Payroll and HR outsourcing
• Succession planning
• Financial planning

Contact Information:

• Website: www.tc-group.com
• Phone: +44 (0)330 088 7111
• Email: enquiries@tc-group.com
• Address: 1 Lochrin Square, 92-98 Fountainbridge, Edinburgh, EH3 9QA
• LinkedIn: www.linkedin.com/company/tc-group3
• Instagram: www.instagram.com/tcgroupuk

MHA

MHA provides external audit with industry knowledge and specialisation. The company offers audit alongside tax, consulting and advisory from its Edinburgh office on St Colme Street. Services aim at delivering quality audits for clients. The Edinburgh presence supports a full range of accountancy needs. Audit work pairs with corporate tax and private client solutions. Many note the independent feel with international ties.

Key Highlights:

• External audit services
• Edinburgh office on St Colme Street
• Industry knowledge in audits
• Tax and advisory included
• Quality focus mentioned
• Consulting options

Services:

• External audit
• Corporate tax
• Private client tax
• Consulting
• Advisory services
• Sustainability support

Contact Information:

• Website: www.mha.co.uk
• Phone: +44 (0)131 225 4681
• Address: 6 St Colme Street, Edinburgh EH3 6AD
• LinkedIn: www.linkedin.com/company/mha-uk
• Facebook: www.facebook.com/people/MHA-Accountants/100063452388108
• Instagram: www.instagram.com/mhaaccountants

Wbg

Wbg offers external audit and internal audit as part of its accountancy services. The company handles clients from different sectors and brings in digital tools to support its accounting work. External audit sits within a broader package that covers tax, payroll and advisory. Clients often mention the sector-specific knowledge as something that stands out in conversations. The approach mixes traditional accountancy with more modern digital elements. Nothing flashy, just steady service delivery across various business types.

Key Highlights:

• External audit available
• Internal audit offered
• Sector specialists covering charities, education, healthcare
• Digital accounting options included
• Business advisory as a core part
• Payroll handled in-house

Services:

• Business advisory services
• Corporate finance
• External audit
• Internal audit
• Payroll processing
• Tax compliance and planning
• Digital services
• Consumer debt support

Contact Information:

• Website: wbg.co.uk
• Phone: 0131 221 1221
• Email: info@wbg.co.uk
• Address: 1/1 Bearford House, 39 Hanover Street, Edinburgh, EH2 2PJ
• LinkedIn: www.linkedin.com/company/wylie-&-bisset-llp
• Twitter: x.com/WbgAccountancy

KPMG

KPMG carries out audit services with a focus on delivering quality financial reporting that helps build confidence for stakeholders. The company works across different sectors and combines audit with advisory and tax capabilities. UK operations cover multiple locations, though the main site doesn’t call out Edinburgh specifics. Audit work often ties into broader insights around things like AI readiness or ESG matters. Clients tend to point out the structured approach to complex reporting requirements. It’s very much geared towards larger or more regulated entities.

Key Highlights:

• Audit approach centres on financial reporting confidence
• Sector coverage includes financial services and private enterprise
• Additional emphasis on AI and ESG topics
• Long history of handling complex client challenges
• Regular publication of industry trend reports
• Focus on combining audit with tech-driven insights

Services:

• Audit
• Advisory
• Tax
• Artificial Intelligence support
• ESG services
• Legal advice
• Risk management
• Technology transformation

Contact Information:

• Website: kpmg.com
• Phone: +44 (0) 131 222 2000
• Address: Saltire Court, 20 Castle Terrace, Edinburgh, EH1 2EG
• Facebook: www.facebook.com/KPMG
• LinkedIn: www.linkedin.com/company/kpmg-uk
• Twitter: x.com/kpmguk

Deloitte

Deloitte manages audit and assurance work within its UK-wide services. The company supports clients on significant financial and reporting tasks, drawing on a very long presence in the profession. UK coverage includes audit for businesses of varying sizes and complexity. Assurance often extends beyond pure compliance into areas that matter for governance and decision-making. Many who have used the service mention the depth of resources available when things get complicated. It’s positioned for organisations that need thorough, well-documented audit processes.

Key Highlights:

• Long-standing experience with audit and assurance
• Emphasis on supporting clients with impactful financial work
• UK presence across multiple business types
• Focus on complex and important client assignments
• Structured approach to assurance and reporting
• Resources suited to different scales of organisation

Services:

• Audit and assurance
• Consulting
• Tax services
• Risk advisory
• Financial advisory
• Technology consulting
• Governance support

Contact Information:

• Website: www.deloitte.com
• Phone: +44 (0)131 221 0002
• Address: 9 Haymarket Square, Edinburgh, EH3 8RY, United Kingdom
• LinkedIn: www.linkedin.com/company/deloitte
• Facebook: www.facebook.com/deloitteuk
• Twitter: x.com/deloitteuk

PwC

PwC provides audit and assurance through its Edinburgh office, where a decent-sized team handles the full service range. The company produces regular insights on business and economic trends across the UK. More than five hundred people work out of the Edinburgh location. Audit sits alongside tax, advisory and risk services. Clients frequently bring up the combination of local presence with access to wider expertise. The office deals with everything from standard statutory audits to more specialised assurance needs.

Key Highlights:

• Edinburgh office dedicated to audit and assurance
• Broad service coverage including tax and cyber elements
• Regular reports and surveys on UK business topics
• Substantial local team in the city
• Mix of compliance and advisory in audit delivery
• Insights shared on economic and sector trends
• Experience across various industries

Services:

• Audit and assurance
• Tax compliance and advisory
• Risk and regulation services
• Advisory and consulting
• Cyber security support
• Deal advisory
• ESG reporting assistance
• Workforce and employment advisory

Contact Information:

• Website: www.pwc.co.uk
• Phone: +44 (0)131 226 4488
• Address: Atria One, 144 Morrison Street, Edinburgh, EH3 8EX
• LinkedIn: www.linkedin.com/company/pwc-uk
• Facebook: www.facebook.com/PwCUK
• Instagram: www.instagram.com/pwc_uk

BDO

BDO delivers audit and assurance services through its Edinburgh office, where the focus sits on transparent work carried out by people with sector knowledge. The company advises a range of clients including owner-managed businesses in Scotland. Offices exist in both Edinburgh and Glasgow, which helps with covering local needs across the region. Audit forms part of a wider set of accountancy and advisory offerings. Clients sometimes point out the practical side of dealing with Scottish businesses in conversations. Nothing overly complicated – just consistent delivery from a presence that’s invested in the area.

Key Highlights:

• Audit and assurance services provided
• Edinburgh office in Scotland
• Sector experience with local owner-managed businesses
• Presence in Edinburgh and Glasgow
• Transparent audit approach mentioned
• Advisory support alongside audit

Services:

• Audit and assurance
• Tax services
• Business advisory
• Accounting support
• Sector-specific advice
• Consulting elements

Contact Information:

• Website: www.bdo.co.uk
• Phone: 0131 347 0347
• Email: experienced.hire@bdo.co.uk
• Address: 30 Semple street, Edinburgh, EH3 8BL, United Kingdom
• LinkedIn: www.linkedin.com/company/bdo-llp
• Instagram: www.instagram.com/bdo_uk

RSM

RSM handles audit, tax and consulting through its Edinburgh office on Semple Street. The company combines regional insight with broader capabilities for clients in the area. Audit sits within services aimed at the middle market, often with a view to understanding client needs properly. The Edinburgh setup allows for that mix of local knowledge and access to wider resources via the international network. Many who deal with them note the emphasis on tailored solutions. It’s geared towards businesses that value a balance between personal attention and structured delivery.

Key Highlights:

• Audit services available in Edinburgh
• Office at Semple Street
• Focus on middle market clients
• Regional insight combined with wider access
• Tailored solutions highlighted
• Consulting and tax alongside audit

Services:

• Audit
• Tax
• Consulting
• Business advisory
• International support
• Data-driven insights

Contact Information:

• Website: www.rsmuk.com
• Phone: +44 (0)131 659 8300
• Email: info@rsmuk.com
• Address: 3rd Floor, 2 Semple Street, Edinburgh, EH3 8BL
• LinkedIn: www.linkedin.com/company/rsm-uk
• Instagram: www.instagram.com/rsm.uk

Saffery

Saffery provides audit and assurance as part of its chartered accountancy services from the Edinburgh office in Haymarket. The company works with companies, partnerships, individuals and not-for-profits across various sectors. Audit gets delivered in a partner-led way that’s adjusted to fit specific business requirements. Membership in Nexia brings in some global connections for clients with international angles. The Edinburgh presence supports a range of tax, accounting and advisory needs too. Clients often mention the straightforward handling of complexities in discussions.

Key Highlights:

• Audit and assurance offered
• Edinburgh office in Haymarket
• Partner-led audit approach
• Nexia network membership
• Sector expertise in place
• Support for not-for-profits included

Services:

• Audit and assurance
• Tax advice
• Accounting services
• Business advisory
• Cloud accounting
• Payroll
• Outsourcing
• Forensic services

Contact Information:

• Website: www.saffery.com
• Phone: +44 (0)131 221 2777
• Email: info@saffery.com
• Address: Level 4, 9 Haymarket Square, Edinburgh EH3 8RY
• LinkedIn: www.linkedin.com/company/saffery
• Instagram: www.instagram.com/saffery_uk

Grant Thornton

Grant Thornton offers audit and assurance through its Edinburgh office on Castle Street. The company combines local understanding with access to a broader network for clients across markets. Audit work fits into services that include tax and advisory, often with an eye on growth ambitions. The Edinburgh location supports a range of business types with flexible yet rigorous delivery. Many note the personal touch in how relationships get built over time. It’s set up for organisations looking for consistent support without the overly corporate feel.

Key Highlights:

• Audit and assurance in Edinburgh
• Office on Castle Street
• Local insight with network access
• Flexible service delivery
• Focus on building relationships
• Advisory and tax alongside audit

Services:

• Audit and assurance
• Tax services
• Advisory
• Deals support
• Forensic services
• Restructuring
• Government and public sector work

Contact Information:

• Website: www.grantthornton.co.uk 
• Phone: +44 (0)131 229 9181
• Email: dan.j.dickinson@uk.gt.com
• Address: 7 Castle Street, Edinburgh, EH2 3AH
• LinkedIn: www.linkedin.com/company/grant-thornton-uk
• Instagram: www.instagram.com/gt_trainees

AAB

AAB delivers audit and assurance including external, internal and joint venture audits from its Edinburgh office. The company covers accounting, tax, payroll, HR and advisory solutions for businesses at different stages. Audit forms a core part alongside other services like corporate finance and business recovery. The Edinburgh setup specialises in those areas with a practical focus on helping clients overcome barriers. Team members bring experience from various backgrounds. It’s very much about providing support that’s geared towards real goals.

Key Highlights:

• External, internal and joint venture audit
• Edinburgh office presence
• Accounting and tax included
• Payroll and HR support
• Business advisory options
• Corporate finance elements
• Focus on client goals

Services:

• Audit and assurance
• Accounting
• Tax compliance and planning
• Payroll
• HR and employment
• Business advisory
• Corporate finance
• Restructuring and recovery

Contact Information:

• Website: aab.uk
• Phone: +44 (0)131 357 6666
• Address: 81 George St, Edinburgh, EH2 3ES
• LinkedIn: www.linkedin.com/company/aab-accountants
• Facebook: www.facebook.com/AABLLP
• Twitter: x.com/AABGroup_
• Instagram: www.instagram.com/_aabgroup

Johnston Smillie

Johnston Smillie carries out independent financial audits as a registered statutory auditor with the Institute of Chartered Accountants of Scotland. The company focuses on audit services for clients across Scotland, including those in Edinburgh, with an emphasis on straightforward compliance and reliable reporting. Work gets handled from their Edinburgh base, serving a range of business types that need external assurance. Many clients appreciate the direct, no-fuss style when dealing with Scottish regulatory requirements. The service stays practical for companies that want audits done efficiently without unnecessary layers.

Key Highlights:

• Statutory audit registration with ICAS
• External financial audits provided
• Edinburgh-based service delivery
• Focus on compliance and assurance
• Support for Scottish businesses

Services:

• Audit services
• Accounting and bookkeeping
• Tax advice
• Business advisory
• Payroll support

Contact Information:

• Website: www.jsca.co.uk
• Phone: 0131 317 7377
• Email: mail@jsca.co.uk
• Address: 5 South Gyle Crescent Lane, Edinburgh, EH12 9EG
• LinkedIn: www.linkedin.com/company/johnston-smillie-ltd
• Facebook: www.facebook.com/johnstonsmillie
• Twitter: x.com/johnstonsmillie

Conclusion

Picking the right company audit services in Edinburgh really comes down to what your business actually needs right now. Some situations call for straightforward statutory compliance that ticks all the regulatory boxes without much fuss, while others benefit from having someone who can spot potential improvements or flag risks early. The Edinburgh market has a decent mix of options – everything from long-established Scottish practices with deep local roots to providers who bring in broader UK experience and can handle more complex group structures or international reporting.

What tends to make the biggest difference isn’t always the size of the provider or how flashy their website looks. It’s usually about whether you feel genuinely understood when you explain your setup, how quickly they respond when things get busy, and if the final report actually helps you make better decisions rather than just sitting in a filing cabinet. Edinburgh’s business scene moves pretty fast – fintech, renewables, tourism, professional services – so finding auditors who already know those sectors (or at least show they can get up to speed quickly) saves everyone time and headaches.

At the end of the day, a good audit shouldn’t feel like a necessary evil. Done properly, it gives you clean numbers you can trust, peace of mind with stakeholders, and occasionally some practical pointers that make running the business a little smoother. Take your time to talk to a couple of options, ask about their recent work in Edinburgh, and see who you actually click with. The right fit usually becomes obvious pretty quickly once the conversation gets going.