Internal Audit Services Companies in Birmingham in 2026
AC
Acumon Chartered Accountants·12 min read
If you’re looking for internal audit support in Birmingham, you’ll quickly notice there’s no shortage of firms - from large, internationally connected practices to smaller specialist teams that work closely with regional businesses. The right choice often depends on your organisation’s size, regulatory environment, and how hands-on you want your auditors to be.
Below is a curated list of well-known internal audit services companies operating in and around Birmingham. It’s not a ranking, and it doesn’t assume one firm fits everyone. Instead, think of it as a starting point - a way to see who’s active locally, what kind of providers are available, and where you might begin conversations based on your specific needs.
Acumon
Acumon is a UK firm of chartered accountants and auditors that provides internal audit services and risk assurance services to organisations across the country, including Birmingham. We work with finance teams, boards, and senior management who need an independent view of controls, governance, and operational risks. Our internal audit work typically sits within a broader risk and technology assurance offering, so it often connects with areas like compliance, cybersecurity, and financial oversight.
As a registered audit firm with UK-based staff, we support a wide range of entities - from companies and charities to subsidiaries of international groups. Internal audit engagements are usually tailored to the structure and risk profile of each organisation rather than delivered as a fixed package. Alongside audit work, we also provide accounting, tax, advisory, and business support services, which means we are often involved in different aspects of a client’s financial and operational environment.
Key Highlights:
UK-based team of accountants, auditors, and advisors
Registered audit firm authorised by the ICAEW
Internal audit delivered as part of risk and technology assurance work
Experience working with companies, charities, and group subsidiaries
Background in accounting, tax, governance, and compliance
Address: 1-2 Craven Road, Ealing, London, W5 2UA, UK
Phone: 020 8567 3451
Grant Thornton
Grant Thornton provides internal audit services to organisations across the UK, including those operating in Birmingham, with work often delivered on an outsourced, co-sourced, or staff support basis. They focus on giving boards and management an independent view of how risks are managed and whether controls are working as intended. Their teams include risk specialists and subject matter experts who can step in when internal resources are limited or when additional expertise is needed.
Their approach tends to be collaborative, adapting to the structure and maturity of each organisation. Internal audit work may cover both core processes and emerging risks, reflecting the pressures many businesses face from regulation, technology change, and shifting operating models. They also carry out external quality assessments of internal audit functions and provide interim support at different seniority levels.
Key Highlights:
Internal audit delivered through outsource, co-source, or staff support models
Use of risk specialists and subject matter experts
External quality assessments of internal audit functions
Support for organisations with complex or evolving risk environments
Protiviti offers internal audit consulting services to UK organisations, including those with operations in Birmingham, focusing on risk, governance, and operational controls. Their work often combines traditional audit techniques with technology-driven analysis, reflecting how modern businesses manage digital systems, data, and regulatory expectations. They support internal audit functions that need transformation, additional expertise, or full outsourcing.
They also advise audit committees and executives on how audit programmes should evolve as risks change. Engagements may include reviewing technology risks, compliance frameworks, fraud exposure, or large capital projects. In many cases, they provide specialist teams for defined projects or ongoing support, depending on what the organisation requires at the time.
Key Highlights:
Internal audit consulting and outsourcing options
Focus on technology, data, and emerging risks
Support for audit transformation initiatives
Experience with regulatory and compliance environments
Access to specialist audit and controls expertise
Services:
Technology and IT audit
Internal audit programme transformation
Controls advisory and testing
Fraud risk management reviews
Capital project audit support
SOX compliance support
Staff augmentation for audit teams
Contact Information:
Website: www.protiviti.com
Facebook: www.facebook.com/Protiviti
Twitter: x.com/ProtivitiUK
LinkedIn: www.linkedin.com/company/protiviti-uk-
Instagram: www.instagram.com/protiviti.uk
Address: Second Floor, AIR, 35 Homer Road, Solihull B91 3QJ, United Kingdom
Phone: +44.12.1616. 4600
Bishop Fleming
Bishop Fleming delivers internal audit and risk assurance services to organisations across both public and private sectors, including clients in Birmingham and the wider Midlands. Their work ranges from focused compliance reviews of key controls to full annual internal audit plans that examine multiple operational areas. The aim is to help organisations understand where risks sit and whether existing safeguards are adequate.
They often work in regulated environments such as education, housing, healthcare, and government bodies, where formal oversight requirements are common. Engagements typically involve reviewing governance arrangements, systems, and internal processes, then providing feedback that supports decision-making and accountability. The scope is usually tailored to each organisation’s structure and regulatory obligations.
Key Highlights:
Internal audit for public and private sector organisations
Experience in regulated sectors such as NHS, housing, and education
Combination of one-off reviews and annual audit programmes
S&W provides audit and assurance services that can include internal-focused reviews for organisations across the UK, including businesses operating in Birmingham. Their work looks beyond basic compliance to understand how systems, reporting structures, and processes function in practice. This often involves identifying risks, operational gaps, or areas where oversight could be strengthened.
Their teams typically engage with finance leaders, owners, or audit committees who need independent assurance about the organisation’s financial and operational position. Reviews may cover internal reporting, financial controls, or specialised areas such as pensions or intellectual property arrangements. The emphasis is on understanding the business context before carrying out detailed testing.
Key Highlights:
Audit and assurance work covering financial and operational areas
Engagement with senior leadership and governance bodies
Reviews of systems, reporting, and internal processes
Support for organisations facing change or complexity
Shareef & Co Chartered Accountants, based in Solihull near Birmingham, provides internal audit as part of a broader audit and assurance offering to local businesses, charities, and regulated organisations. Their internal audit work is built on developing an understanding of how the organisation operates, including its financial systems, objectives, and key risks. This allows them to identify weaknesses or inefficiencies in controls and processes.
They also carry out statutory audits, independent examinations, and specialist reviews when required by governing bodies or regulators. Internal audit engagements often involve reviewing financial records, operational procedures, and governance arrangements, then reporting findings to management. Their work is overseen by professional bodies, reflecting standard UK audit regulation.
Key Highlights:
Internal audit services for businesses and charities in the Birmingham area
Regulated audit work overseen by the ICAEW
Risk-based audit approach
Experience with specialist regulatory reviews
Focus on financial systems and operational controls
Forvis Mazars operates from a central Birmingham office and provides audit, risk, and advisory services to organisations across the West Midlands. Their internal audit and risk assurance work is typically delivered as part of a broader governance and compliance offering, supporting businesses, financial institutions, public bodies, and large private organisations. Being part of an international network, they often work with companies that have cross-border operations or complex reporting requirements.
Their teams combine local market knowledge with national and global resources, which can be useful for organisations dealing with sector-specific regulations or expansion. Internal audit assignments usually focus on reviewing controls, risk management processes, and operational practices to help leadership understand how effectively the organisation is functioning and where attention may be needed.
Key Highlights:
Birmingham office in the central business district
Part of an international audit and advisory network
Work across private, public, and financial sectors
Integration of local expertise with global resources
Address: 3 Chamberlain Square, Birmingham, B3 3AX, United Kingdom
Phone: +44 (0) 121 232 9500
PKF Smith Cooper
PKF Smith Cooper provides internal audit services to businesses across the Midlands, including organisations based in Birmingham, as part of a wider audit and advisory offering. Their internal audits focus on reviewing how a company’s operations, controls, and governance processes function in practice, with the aim of identifying weaknesses and areas that may need improvement. The work is typically designed to give management and stakeholders an independent perspective on risk management and compliance.
They tailor each engagement to the organisation’s structure and objectives, recognising that different sectors face different operational risks. Internal audit findings are reported to senior leadership to support decision making and oversight. Alongside this work, they also deliver a broad range of accounting, tax, and corporate finance services, which means they often understand both the financial and operational context of the businesses they review.
Key Highlights:
Internal audit services available to Birmingham and Midlands organisations
Focus on risk management, governance, and operational controls
Sedulo provides internal audit services to organisations across the UK, including those with operations in Birmingham, with an emphasis on strengthening internal controls and managing risk. Their approach involves working closely with senior management to identify key operational and financial risks, then building an audit programme that addresses those areas over time. This can include both one-off reviews and ongoing audit plans.
They also assist organisations in developing internal audit frameworks and strategies where these do not yet exist or need improvement. Support may extend to training, advisory input, or responding to specific governance questions as they arise. The firm operates under UK professional oversight and serves both larger corporate groups and smaller businesses.
Key Highlights:
Bespoke internal audit programmes
Focus on risk identification and control effectiveness
Support for developing audit frameworks and strategies
External quality assessments of audit arrangements
Address: The Metro Club, 73 Cornwall Street, Birmingham, B3 2DF
Phone: 0333 222 4445
Fraser Russell
Fraser Russell is a Birmingham-based professional services firm offering audit and assurance as part of its advisory and tax work. Their services include internal-focused assurance reviews that examine financial systems, compliance processes, and organisational controls. Being locally based, they work with businesses in Birmingham and the surrounding area across different stages of development.
The firm provides a mix of compliance and advisory support, helping organisations meet regulatory requirements while maintaining oversight of their operations. Internal assurance work often sits alongside tax, business support, and startup advisory services, giving them a broader view of how businesses operate day to day.
Key Highlights:
Birmingham-based audit and advisory firm
Internal assurance as part of wider audit services
Support for local businesses and startups
Professional affiliations with recognised accounting bodies
Address: 77 Francis Road, Edgbaston, Birmingham B16 8SP
Phone: 0121 647 5030
Veritau
Veritau provides internal audit services primarily to public sector organisations, including councils, schools, and public bodies operating in Birmingham. Their work focuses on assessing risks, reviewing governance arrangements, and evaluating whether systems and processes are performing as intended. As an organisation owned by local authorities, they operate with a strong understanding of public sector requirements and constraints.
Internal audits often examine financial systems, project management, operational performance, and value for money considerations. They also provide ongoing advice and support to help organisations implement improvements. Engagements are tailored to each client, with attention given to minimising disruption to day-to-day services.
Key Highlights:
Focus on public sector organisations
Experience with councils, schools, and public bodies
Independent assurance on governance and risk management
Professionally qualified audit staff
Services delivered across multiple public sector areas
Address: West Offices, Station Rise, York, YO1 6GA
Phone: 01904 552943
BDO
BDO provides internal audit and advisory services to organisations in Birmingham and across the West Midlands through its regional office. Their teams support businesses at different stages of growth, from smaller companies to large international groups, offering assurance over risk management, controls, and governance arrangements. Being part of an international network allows them to work with organisations that operate across multiple jurisdictions.
Internal audit work is often integrated with broader advisory and assurance services, reflecting the complex environments many businesses face. Their sector specialists cover industries such as manufacturing, technology, consumer markets, and not-for-profit, which is particularly relevant in the Midlands region.
Key Highlights:
Internal audit services for Birmingham and West Midlands organisations
Support for businesses from startups to large groups
Sector-focused expertise across key regional industries
Access to international network resources
Combination of audit, tax, and advisory capabilities
Services:
Internal audit
Risk and governance assurance
Compliance reviews
External audit
Business advisory
Private client services
Contact Information:
Website: www.bdo.co.uk
LinkedIn: www.linkedin.com/company/bdo-llp
Instagram: www.instagram.com/bdo_uk
Address: Two Snowhill, Birmingham, B4 6GA, United Kingdom
Phone: 0121 352 6200
Conclusion
Birmingham has a wide mix of internal audit providers, and that variety is actually useful. Some firms focus on large, complex organisations, others work more closely with local businesses, charities, or public sector bodies. There are also differences in style - some operate as full outsourcing partners, while others step in for specific reviews or short-term support. In practice, the right choice usually comes down to how much independence you need, how regulated your environment is, and whether you want a long-term relationship or a one-off piece of work.
What stands out is that internal audit today is less about ticking boxes and more about understanding how an organisation really functions day to day. A good audit team should be able to challenge assumptions without getting in the way, and offer insight that management can actually use. The firms listed above give a snapshot of what’s available around Birmingham, from global consultancies to regional practices. For most organisations, the next step is simply to speak with a few providers, compare approaches, and see which one feels aligned with how you operate.
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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