Internal Audit Services Companies in Glasgow: Trusted Firms

Finding the right internal audit partner isn’t just a box-ticking exercise, especially in a city like Glasgow, where businesses range from fast-growing startups to long-established institutions. Some organisations need rigorous compliance support, others want a clearer view of operational risks, and many are simply looking for independent reassurance that everything is running as it should.

The companies listed below represent a cross-section of Glasgow’s internal audit landscape. You’ll see a mix of large, globally connected firms and smaller specialist practices with deep local roots. This isn’t about ranking one “best” provider, it’s about giving you a practical starting point. Each firm brings its own approach, sector experience, and style of working, so the right choice will depend on your organisation’s size, complexity, and priorities.

1. Acumon

Acumon provides internal audit services as part of our broader risk and assurance work, supporting organisations in Glasgow as well as across the UK. We approach internal audit as a practical review of how controls, governance, and processes operate day to day, not just how they look on paper. Our teams work with finance leaders and management to examine risk areas, compliance obligations, and operational weaknesses, then report findings in a way that can actually be used.

As a full service accountancy and advisory firm, we combine internal audit with wider expertise in audit, tax, technology assurance, and business operations. This allows us to look at issues in context rather than in isolation. Our work is carried out by UK based professionals, many of whom have backgrounds in regulatory environments, so we tend to focus on clarity and accuracy rather than theory. The goal is to give organisations an independent view of how things are functioning and where adjustments may be needed.

Key Highlights:

• UK based team of accountants, auditors, and risk specialists
• Registered audit firm authorised by the ICAEW
• Experience working with companies, charities, and group subsidiaries
• Internal audit delivered within a broader governance and risk framework
• Background knowledge of UK regulation and compliance environments
• Part of a full service advisory practice

Services:

• Internal audit
• Risk management reviews
• Governance and compliance assessment
• IT risk and cybersecurity assurance
• External audit
• Accounting and bookkeeping
• Tax advisory and compliance
• Payroll management
• Business advisory and due diligence
• Company secretarial support

Contact Information:

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

2. Azets

Azets provides internal audit and assurance support to organisations in Glasgow alongside its wider audit work across the UK. Their teams review financial controls, operational processes, and risk areas to give management and stakeholders an independent picture of how things are functioning. The work is usually grounded in sector knowledge, which is useful in a city like Glasgow where industries range from public sector bodies to private mid market companies.

They combine a local office presence with a larger national structure, so engagements tend to involve people who understand the regional business environment but can draw on broader expertise when needed. Internal audit is positioned as part of ongoing assurance, helping organisations identify weaknesses, compliance gaps, or process issues without disrupting day to day operations more than necessary.

Key Highlights:

• Internal audit delivered as part of wider assurance work
• Local teams supported by a national network
• Experience across multiple industry sectors
• Focus on risk identification and process review
• Independent perspective for management and stakeholders

Services:

• Internal audit
• External audit
• Assurance reviews
• Statutory accounting
• Risk assessment
• Compliance support

Contact Information:

• Website: www.azets.com
• LinkedIn: www.linkedin.com/company/azets
• Instagram: www.instagram.com/azets_uk
• Address: Titanium 1, King’s Inch Place, Renfrew, PA4 8WF
• Phone: 0141 886 6644

3. AAB

AAB delivers internal audit services to organisations in Glasgow as part of a broader audit and assurance offering. Their work typically involves examining governance, controls, and operational risks, with the aim of helping organisations understand where issues may arise before they become larger problems. This can include working alongside internal teams or taking on specific projects when additional capacity is needed.

They operate with a flexible model, offering fully outsourced audits, co sourced arrangements, or targeted reviews depending on what the organisation requires. In practice, this often means reviewing particular risk areas, investigating potential fraud concerns, or assessing contract performance. The approach reflects the varied nature of Glasgow’s business landscape, where organisations differ widely in size, structure, and regulatory exposure.

Key Highlights:

• Internal audit delivered on outsourced or co sourced basis
• Risk focused methodology
• Support for public sector, private businesses, and non profits
• Experience with fraud prevention and investigation
• Ability to provide project based audit support

Services:

• Internal audit
• External audit
• Joint venture and contract audits
• Fraud investigation and prevention
• Risk management support
• Secondments and project assistance

Contact Information:

• Website: aab.uk
• Facebook: www.facebook.com/AABLLP
• Twitter: x.com/AABGroup_
• LinkedIn: www.linkedin.com/company/aab-accountants
• Instagram: www.instagram.com/_aabgroup
• Address: 133 Finnieston St, Glasgow, G3 8HB
• Phone: +44 (0)141 221 2984

4. Forvis Mazars

Forvis Mazars provides internal audit services to organisations in Glasgow through its risk and governance practice. Their work focuses on reviewing how risk management, internal controls, and compliance frameworks operate across a business. In a complex regulatory environment, this type of review can help boards and senior management understand whether policies are actually being applied in practice.

Their teams draw on specialists from different disciplines, which allows them to examine operational, financial, and technological risks together. Internal audit may involve supporting an existing function, building a new one, or delivering specific reviews tied to regulatory change or business transformation. This integrated approach suits organisations with diverse activities or international links.

Key Highlights:

• Internal audit within a broader governance framework
• Multi discipline teams covering different risk areas
• Support for developing or enhancing audit functions
• Experience across public and private sectors
• Focus on compliance and control effectiveness

Services:

• Internal audit
• Risk consulting
• Governance reviews
• Compliance assessment
• Technology risk advisory
• Financial audit and assurance

Contact Information:

• Website: www.forvismazars.com
• Facebook: www.facebook.com/ForvisMazarsGroup
• Twitter: x.com/ForvisMazarsUK
• LinkedIn: www.linkedin.com/company/forvis-mazars-in-the-uk
• Instagram: www.instagram.com/forvismazarsuk
• Address: 100 Queen Street, Glasgow, G1 3DN, United Kingdom
• Phone: +44 141 227 2400

5. Armstrong Watson

Armstrong Watson offers internal audit services to organisations in Glasgow as part of its audit and assurance practice. Their work often begins with understanding how a business operates in practice, then reviewing internal controls, processes, and risk management arrangements. This can help organisations check whether procedures are working as intended or identify areas where improvements are needed.

Internal audit engagements may be tailored to specific objectives, such as strengthening controls, reviewing compliance, or assessing operational efficiency. The firm also undertakes assurance engagements where a full statutory audit is not required but an independent review would still be useful. This approach suits organisations that want oversight without committing to a formal external audit process.

Key Highlights:

• Internal audit tailored to organisational requirements
• Focus on controls, risk management, and processes
• Experience with complex assignments
• Ability to provide targeted assurance reviews
• Part of a wider audit and advisory practice

Services:

• Internal audit
• Statutory audit
• Assurance engagements
• Grant and contract audits
• Pension scheme audit
• Strategic business advice

Contact Information:

• Website: www.armstrongwatson.co.uk
• Facebook: www.facebook.com/armstrongwatson
• Twitter: x.com/armstrongwatson
• LinkedIn: www.linkedin.com/company/armstrong-watson
• Instagram: www.instagram.com/armstrongwatsonllp
• Address: Caledonia House, 89 Seaward Street, Glasgow, G41 1HJ
• Phone: 0141 272 0000

6. BDO

BDO provides internal audit and risk advisory support to organisations operating in Glasgow through its UK wide network. Their teams work with businesses of different sizes, from growing companies to listed organisations, reviewing governance structures, financial controls, and operational risks. In a city with a diverse economy, this breadth allows them to engage with many different sectors.

Internal audit is typically delivered alongside other assurance and advisory services, which can help organisations address issues that cut across finance, operations, and strategy. Their regional presence means they are familiar with local economic conditions while still being connected to national and international resources.

Key Highlights:

• Internal audit as part of broader advisory services
• Experience with mid market and listed companies
• Sector coverage across multiple industries
• Regional teams supported by national expertise
• Integration with risk and financial advisory work

Services:

• Internal audit
• Business assurance
• Risk advisory
• Forensic accounting
• Corporate finance support
• Tax advisory

Contact Information:

• Website: www.bdo.co.uk
• LinkedIn: www.linkedin.com/company/bdo-llp
• Instagram: www.instagram.com/bdo_uk
• Address: 2 Atlantic Square, 31 York Street, Glasgow, G2 8NJ , United Kingdom
• Phone: 0141 248 3761  

7. Grant Thornton

Grant Thornton provides internal audit services to organisations in Glasgow through its risk and advisory teams. Their work focuses on giving boards and management an independent assessment of how effectively risks are being managed and controls are operating. This can be particularly relevant as organisations deal with regulatory change, new business models, or expansion into new areas.

They offer different delivery models, including fully outsourced internal audit, co sourced arrangements, or temporary staff support where internal resources are limited. Engagements often draw on specialists in areas such as technology, compliance, or sector regulation, allowing reviews to address emerging risks as well as established processes.

Key Highlights:

• Internal audit delivered through flexible sourcing models
• Support for complex and evolving organisations
• Access to subject matter specialists
• Focus on governance, controls, and assurance
• Global network with local delivery

Services:

• Internal audit
• External quality assessments
• Risk advisory
• Governance reviews
• Compliance support
• Interim audit staffing

Contact Information:

• Website: www.grantthornton.co.uk
• LinkedIn: www.linkedin.com/company/grant-thornton-uk
• Instagram: www.instagram.com/gt_trainees
• Address: Level 8, 120 Bothwell St, Glasgow, G2 7JS
• Phone: +44 (0)141 223 0000

8. Wbg

Wbg provides internal audit services to organisations in Glasgow through a dedicated team focused on risk and governance. Their work centres on evaluating internal controls and reviewing how policies and procedures operate in practice across different parts of an organisation. In a city with a strong public sector presence, they often work with education bodies, social housing providers, charities, and both public and private organisations.

The team works closely with management to understand how systems function day to day, then assesses whether controls are adequate and risks are being managed appropriately. Internal audit can also extend into related areas such as IT audit, investigations, and forensic accounting when concerns arise or deeper analysis is required.

Key Highlights:

• Glasgow based internal audit team
• Experience across public, private, and third sectors
• Focus on governance, risk, and internal controls
• Capability to support investigations and forensic reviews
• Sector knowledge in education, housing, and charities

Services:

• Internal audit
• IT audit
• Risk and governance reviews
• Investigations
• Forensic accounting
• Control evaluation

Contact Information:

• Website: wbg.co.uk
• Email: info@wbg.co.uk
• Twitter: x.com/WbgAccountancy
• LinkedIn: www.linkedin.com/company/wylie-&-bisset-llp
• Address: 168 Bath Street, Glasgow, G2 4TP
• Phone: 0141 566 7000

9. Henderson Loggie

Henderson Loggie delivers internal audit services to organisations in Glasgow from its Scottish office network. Their consultants review governance arrangements, risk management processes, and operational controls to provide independent assurance to boards and senior management. This type of work is often relevant for public bodies, educational institutions, and organisations that must demonstrate accountability.

They offer several delivery models, including fully outsourced audit functions, co-sourced support for in house teams, and advisory projects focused on specific risks or improvement areas. The work may also involve reviewing digital governance, fraud risks, or third party assurance requirements, reflecting the growing complexity of organisational oversight.

Key Highlights:

• Offices across Scotland including Glasgow
• Internal audit delivered by specialist consultants
• Experience in public, private, and third sectors
• Flexible delivery models
• Focus on risk management and governance

Services:

• Internal audit
• Internal controls and compliance reviews
• Enterprise risk management consulting
• Third party assurance reporting
• Digital and information governance assurance
• Fraud prevention and investigation

Contact Information:

• Website: hlca.co.uk
• Email: info@hlca.co.uk
• Facebook: www.facebook.com/HendersonLoggie
• LinkedIn: www.linkedin.com/company/hendersonloggie
• Instagram: www.instagram.com/hendersonloggie
• Address: Suite 5.3, Kirkstane House, 139 St Vincent Street, Glasgow, G2 5JF
• Phone: 01382 200055

10. Thomas Barrie & Co

Thomas Barrie & Co provides audit related services to businesses in Glasgow, including reviews of internal controls and management systems that form part of internal audit work. Their approach typically involves examining financial processes, documentation, and reporting systems to ensure accuracy and compliance with regulatory requirements.

During audit engagements, they assess operational procedures and identify areas where controls could be strengthened or risks reduced. The work also involves reviewing how financial information is prepared and used, which can help organisations understand whether their systems support reliable decision making.

Key Highlights:

• Glasgow based audit firm
• Registered to carry out audit work in the UK
• Focus on financial systems and internal controls
• Use of technology to support audit processes
• Personal contact throughout engagements

Services:

• Internal control reviews
• External audit
• Financial systems assessment
• Regulatory compliance review
• Preparation and submission of financial documents
• Business process evaluation

Contact Information:

• Website: www.thomasbarrie.co.uk
• Email: contact@thomasbarrie.co.uk
• Facebook: www.facebook.com/ThomasBarrieCo
• Twitter: x.com/ThomasBarrieCo
• LinkedIn: www.linkedin.com/company/thomas-barrie-&-co-llp
• Address: Thomas Barrie & Co, Atlantic House,  1A Cadogan St, Glasgow G2 6QE
• Phone: 0141 221 2257

11. Gerber Landa & Gee

Gerber Landa & Gee provides audit services to businesses in Glasgow, including statutory and internal audits as part of their wider accountancy offering. Their work involves examining financial records, controls, and operational practices to confirm that accounts present a fair view of the business and comply with relevant regulations.

They aim to carry out audits with minimal disruption to daily operations, allowing companies to continue running normally while the review takes place. The process can also highlight weaknesses, exposure to fraud, or areas where processes could be improved, giving management a clearer understanding of potential risks.

Key Highlights:

• Glasgow based chartered accountants and auditors
• Registered with the Institute of Chartered Accountants of Scotland
• Internal and statutory audit capability
• Focus on compliance and operational review
• Support for fraud risk awareness

Services:

• Internal audit
• Statutory audit
• Due diligence
• Fraud risk assessment
• Benchmarking analysis
• Accountancy and tax services

Contact Information:

• Website: www.gerberlandagee.co.uk
• Email: mail@gerberlandagee.co.uk
• LinkedIn: www.linkedin.com/company/gerber-landa-&-gee
• Address: Pavilion 1, Finnieston Business Park, Minerva Way, Glasgow, G3 8AU
• Phone: 0141 221 7446

12. KPP Chartered Accountants

KPP Chartered Accountants provides audit services to businesses across Glasgow and Central Scotland, including reviews of management systems, financial controls, and risk areas that align with internal audit objectives. Their work is often relevant for companies that want independent oversight of their financial reporting and operational processes.

In addition to statutory audits, they carry out non statutory and specialist reviews, such as management audits or risk assessments. These engagements can help organisations identify inefficiencies, compliance issues, or areas requiring closer monitoring, especially as businesses grow or prepare for significant changes.

Key Highlights:

• Glasgow based registered auditors
• Experience with statutory and voluntary audits
• Focus on financial controls and reporting
• Capability to review management systems
• Support for risk identification

Services:

• Management audits
• Risk assessment audits
• Statutory audit
• Non statutory audit
• Tax compliance reviews
• Forensic audit

Contact Information:

• Website: www.kppca.co.uk
• Email: info@kppca.co.uk
• Facebook: www.facebook.com/kppca
• LinkedIn: www.linkedin.com/company/key-professional-partnership
• Instagram: www.instagram.com/kppaccountants
• Address: Unit 3 Morris Park, 37 Rosyth Road , Glasgow, G5 0YD
• Phone: 0141 345 2335

13. SRG

SRG provides auditing services to organisations in Glasgow, including internal audit work based on a risk focused approach. Their teams review critical areas of the business to identify vulnerabilities, assess controls, and ensure compliance with regulatory requirements. This type of review can be useful for companies operating in regulated industries or those undergoing change.

Their audits are often tailored to the specific sector, such as agriculture, manufacturing, or financial services, reflecting the different risks each industry faces. Alongside internal audit, they also provide statutory audit and accountancy services, allowing organisations to address financial reporting and governance matters within a single engagement framework.

Key Highlights:

• Glasgow office serving multiple industries
• Risk based audit methodology
• Sector specific expertise
• Focus on regulatory compliance
• Clear reporting on vulnerabilities

Services:

• Internal audit
• Statutory audit
• Risk assessment
• Compliance review
• Financial performance analysis
• Accountancy services

Contact Information:

• Website: www.srgcas.com
• Address: Turnberry House, 175 West George Street, Glasgow, G2 2LB
• Phone: 0141 221 9922

14. Moore UK

Moore UK provides internal audit services to organisations in Glasgow as part of its governance and risk advisory work. Their teams conduct systematic reviews of key business processes, including finance, HR, IT, and operational functions, to assess whether controls are functioning effectively and resources are being used appropriately.

They can deliver internal audit through fully outsourced arrangements, co sourced support, or targeted reviews of specific areas. In addition to evaluating existing functions, they also help organisations establish internal audit frameworks where none currently exist or assess the effectiveness of an existing programme.

Key Highlights:

• Internal audit covering multiple operational areas
• Flexible delivery models
• Focus on governance and risk management
• Capability to review existing audit functions
• Support for establishing new audit processes

Services:

• Internal audit
• Governance reviews
• Risk management assessment
• Compliance evaluation
• Operational process review
• Internal audit function support

Contact Information:

• Website: www.moore.co.uk
• Email: mark.houston@jcca.co.uk
• Twitter: x.com/MooreUKNetwork
• LinkedIn: www.linkedin.com/company/moore-uk
• Address: 227 West George Street, Glasgow, G2 2ND
• Phone: +44 (0)141 222 5800

Conclusion

Choosing an internal audit provider in Glasgow isn’t really about finding a single “right” firm – it’s about finding one that fits how your organisation actually operates. Some businesses need structured oversight because of regulation or public accountability, while others simply want an independent view of risks that may not be visible from inside the company. The firms listed here reflect that range, from large international networks to smaller local practices that know the regional landscape well.

Glasgow’s economy is varied, and that shows in the audit market too. A housing association, a university department, a manufacturing business, and a growing tech company will all expect something different from internal audit. That’s why it usually makes sense to look beyond size or reputation and focus on sector experience, working style, and how comfortable you feel having that team examine the details of your operations.