Leading IT Audit Companies in Glasgow: Expert Services & Providers

In a city like Glasgow, where tech, finance, and creative industries mix with a growing number of SMEs, staying on top of IT risks isn’t optional-it’s essential. Companies providing IT audit services help organisations uncover weaknesses in their infrastructure, verify controls around data security and access, and make sure everything lines up with legal and industry requirements. Whether it’s a full internal audit of tech systems, a focused cybersecurity review, or assurance around cloud setups and digital transformation, these services give clear insights that prevent costly breaches or compliance headaches down the line.

The landscape includes well-established companies with national reach and strong Glasgow offices, alongside dedicated local specialists who understand the Scottish market inside out. Many bring deep experience in areas like vulnerability scanning, governance reviews, and strategic IT planning, often combining traditional audit rigour with modern tech-focused approaches. Businesses turn to these providers for independent, high-quality assessments that build trust with stakeholders and support long-term growth in an increasingly digital world.

1. Acumon

We at Acumon deliver comprehensive audit services from our London base, and while our main operations are centred in the capital, we actively support clients right across the UK – including a steadily growing number of businesses in Glasgow and throughout Scotland. Glasgow’s diverse economy, with its strong presence of manufacturing companies, emerging tech startups, retail chains, professional services firms, and a vibrant not-for-profit sector, means we often carry out sector-specific audits that align closely with local realities. Statutory audits form the core of much of our work, but we also regularly handle specialist audits such as technology sector reviews for Glasgow-based software houses and IT service providers, retail audits for high street shops and online retailers in the city, and charity or not-for-profit audits for the many community groups, social enterprises, and registered charities active in the area.

We also support Glasgow clients with more niche needs, such as group audits for businesses with international ties (common in Scotland’s export-oriented firms), pension scheme audits for occupational schemes in the region, and forensic audits when discrepancies or compliance questions come up. Our ICAEW registration and FRC authorisation for public interest entities let us cover larger Glasgow companies that need that level of assurance, while recognised auditor status in Jersey and the Isle of Man helps with any cross-jurisdiction elements some Scottish groups have. It all comes down to tailoring the audit to what the Glasgow business actually needs without unnecessary disruption.

Key Highlights:

• ICAEW registered audit company
• FRC authorised for PIE audits
• Recognised auditor in Jersey and Isle of Man
• Covers statutory and specialist audits
• Handles sector-specific and regulatory audits
• Serves clients in Glasgow and Scotland

Services:

• Statutory audit services
• Charity audit
• Education audit
• Healthcare audit
• Financial services audit
• Forensic audit
• Grant audit
• Group audits
• Pension scheme audit
• Public interest entity audit
• Technology audit
• SRA legal audit
• CASS audit
• Retail audit
• Manufacturing audit
• Professional services audit

Contact Information:

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

2. Wbg

Wbg offers an IT audit service that looks at an organisation’s IT setup and suggests ways to put solid protections in place. The approach comes from their understanding of how important it is to protect networks and digital assets from cyber threats that keep changing. Experience in the IT industry stretches back 30 years, and reports aim to deliver real value while helping clients stay ahead of those evolving risks.

An IT audit suits pretty much any organisation, no matter the industry, especially if there’s a compliance angle or just a need for reassurance. It becomes relevant when a business collects or processes data, holds intellectual property, or depends heavily on IT for day-to-day operations. Without strong controls, issues like data breaches, loss of intellectual property, operational disruptions, or even fraud can crop up and cause serious financial or reputational harm.

Key Highlights:

• Assesses IT systems and controls
• Provides recommendations for improvements
• Delivers high-value reports
• Helps minimise risks like data breaches and fraud

Services:

• IT audit
• Internal audit
• External audit
• Business advisory
• Digital services
• Insolvency and business recovery

Contact Information:

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

3. Deloitte

Deloitte handles risk, regulatory, and forensic matters with a focus on protecting business integrity, investments, and innovation against financial crime and other threats. Services adapt to rising regulation and tech-driven issues, helping build or sustain risk and compliance setups that fit specific needs, whether reacting to an event or planning ahead. They draw on deep knowledge across industries and apply advanced technologies carefully while managing data and regulatory details.

The company combines consistent global standards with local relevance in the UK market. Offerings cover regulatory and financial risk to safeguard operations and finances, forensic and financial crime advisory to strengthen protections, and enterprise risk support to keep organisations adaptable in shifting conditions. Trust from regulators comes through meticulous work in these areas.

Key Highlights:

• Addresses evolving threats from regulation and technology
• Simplifies risk and compliance capabilities
• Applies advanced technologies
• Covers multiple industries

Services:

• Regulatory & Financial Risk
• Forensic & Financial Crime
• Enterprise Risk

Contact Information:

• Website: www.deloitte.com
• Phone: +44 (0)141 204 2800
• Address: 110 Queen Street, Glasgow, G1 3BX, United Kingdom
• LinkedIn: www.linkedin.com/company/deloitte
• Facebook: www.facebook.com/deloitteuk
• Twitter: x.com/deloitteuk

4. KPMG

KPMG provides audit and advisory services with an emphasis on understanding client businesses, sectors, and operating environments. They deliver insights, fresh perspectives, and tech-driven solutions to tackle challenges and spot opportunities. In audit, the focus stays on quality reporting that builds confidence, while advisory covers complex deals, innovation, tech transformations, and risk reduction.

Artificial intelligence features prominently in their offerings, helping clients scale AI use and establish trust in it. ESG work integrates sustainability as a factor for growth and resilience rather than a separate burden. Legal and tax support rounds out the mix for handling policy pressures and cost management.

Key Highlights:

• Draws on long-standing client relationships
• Uses cutting-edge tech for solutions
• Focuses on audit quality and confidence
• Supports AI value realisation

Services:

• Audit
• Advisory
• Artificial Intelligence
• Environmental, social and governance
• Legal
• Tax

Contact Information:

• Website: kpmg.com
• Phone: +44 (0) 141 226 5511
• Address: 319 St Vincent St, Glasgow G2 5LD
• LinkedIn: www.linkedin.com/company/kpmg-uk
• Twitter: x.com/kpmguk

5. PwC

PwC’s risk services aim to build resilient organisations through collaboration, skills, and up-to-date technology. The team helps clients understand and manage risks in a constantly shifting landscape, allowing them to take calculated risks for growth while staying secure. Capabilities span predicting, preparing, and responding to uncertainties with forward-looking approaches powered by tech and insights.

Areas include cyber security, internal audit, governance risk and compliance, risk data and analytics, and technology-related services. Commercial control, financial crime, forensic work, and sustainability also form part of the picture. The emphasis sits on navigating complexity together to create measurable positive outcomes.

Key Highlights:

• Pioneers approaches to changing risks
• Brings diverse teams for complex problems
• Uses technology for insights and decisions
• Measures societal impact of work

Services:

• Cyber Security
• Internal Audit
• Governance, Risk and Compliance
• Risk Data & Analytics
• Technology, Data & Analytics
• Financial Crime
• Forensic services

Contact Information:

• Website: www.pwc.co.uk
• Phone: +44 (0)113 289 4000
• Address: 120 Bothwell Street, Glasgow, G2 7JS
• LinkedIn: www.linkedin.com/company/pwc-uk
• Facebook: www.facebook.com/PwCUK
• Instagram: www.instagram.com/pwc_uk

6. Grant Thornton

Grant Thornton delivers audit and assurance that incorporates smart technology to speed up processes and highlight insights quickly. The approach uses AI and automation to handle complexity, zero in on risks, and produce sharper outputs for clients. It goes beyond basic compliance by offering clarity on financial performance alongside risk identification, with a digital-by-design method that cuts down on back-and-forth and supports faster decisions. Sector specialists handle work for various business types, drawing on expert judgment to make audits meaningful rather than just routine.

The company maintains a presence in Glasgow as part of its UK network. Audit quality relies on ongoing investment in tools and talent to match modern business pace. Practical insights aim to help organisations make better choices while ensuring transparency and trust in the results.

Key Highlights:

• Uses smart technology and AI in audits
• Focuses on risk identification and opportunities
• Provides real-time clarity and fewer requests
• Tailors to business size and sector

Services:

• Audit and assurance
• Internal audit
• Deals
• Forensic and investigation services
• Tax

Contact Information:

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

7. BDO

BDO provides risk advisory services that address a wide range of threats, including those from digital disruption, cyber security, data privacy, and technology implementation challenges. The technology risk side offers specialist input on resilience dependencies and growing reliance on tech for operations. Internal audit and controls assurance help verify that risks get mitigated properly, often through practical enterprise risk management setups. It includes support for governance frameworks and board reporting while keeping things efficient.

Services extend to third party assurance, ethics and compliance, and business transformation elements that can touch on tech aspects. The focus sits on preparing organisations to handle uncertainties and turn risk management into something that supports strategy rather than just defence. A dedicated technology risk team handles the more technical advice needed in these areas.

Key Highlights:

• Covers cyber security and data privacy risks
• Offers controls assurance
• Supports enterprise risk management
• Includes internal audit services
• Addresses technology resilience

Services:

• Internal Audit Services
• Risk Management Services
• Technology Risk
• Controls Advisory Services
• Third Party Assurance
• Ethics and Compliance

Contact Information:

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

8. HLCA

HLCA delivers internal audit advisory services from offices including Glasgow, with a strong emphasis on understanding each organisation’s specific situation. Digital and information governance assurance helps strengthen cybersecurity, meet UK GDPR requirements for data protection, and implement responsible AI governance. Third party assurance includes ISAE 3402 reports on systems and processes to build trust in controls and compliance. Fraud prevention and detection work covers forensic investigations alongside assurance reviews.

The approach partners with clients to improve risk management, controls, and governance while aiming for practical value and potential cost savings. Options range from co-sourced or fully outsourced internal audit to standalone consultancy for operational efficiency. Enterprise risk management consulting tailors frameworks to boost organisational resilience.

Key Highlights:

• Offices in Glasgow and other Scottish cities
• Specialises in digital governance and cybersecurity
• Provides third party assurance reports
• Offers fraud detection and investigations
• Focuses on risk management improvements

Services:

• Internal Controls & Compliance
• Enterprise Risk Management Consulting
• Third Party Assurance & SOC Reports
• Digital & Information Governance Assurance
• Fraud Prevention & Detection Assurance
• Performance Improvement & Business Process Optimisation

Contact Information:

• Website: hlca.co.uk
• Phone: 0141 471 9870
• Email: info@hlca.co.uk
• Address: Suite 5.3, Kirkstane House, 139 St Vincent Street, Glasgow, G2 5JF
• LinkedIn: www.linkedin.com/company/hendersonloggie
• Facebook: www.facebook.com/HendersonLoggie
• Instagram: www.instagram.com/hendersonloggie

9. Red Mosquito

Red Mosquito runs a free IT audit aimed at Glasgow businesses to review current system strengths and point out potential improvements. It includes discussions on how innovative solutions might support growth and acceleration. The process starts with booking a meeting, either virtually or in-person at the client’s office, followed by the audit itself. As a local IT support provider, the audit fits into broader managed services where they handle everything from hardware issues to ongoing monitoring.

The company emphasises quick, human-touch responses to IT problems while maintaining visibility through a client portal for tracking incidents and progress. Service level agreements set clear response and fix timeframes. On-premise server and network management keeps things running smoothly with around-the-clock oversight.

Key Highlights:

• Offers free IT audit for Glasgow area
• Reviews system strengths and improvement areas
• Provides growth insights via innovative solutions
• Bases operations in Glasgow

Services:

• IT audit
• Managed IT Services
• On-premise server monitoring
• Network and hardware management
• Microsoft Cloud Services

Contact Information:

• Website: www.redmosquito.co.uk
• Phone: 0141 348 7950
• Email: enquiries@redmosquito.co.uk
• Address: 21 – 23 Panorama Business Village, Glasgow, G33 4EN
• LinkedIn: www.linkedin.com/company/redmosquito-limited
• Facebook: www.facebook.com/redmosquitoltd
• Twitter: x.com/redmosquitoltd

10. Systal Technology Solutions

Systal Technology Solutions delivers security assessments that identify risks and shape strategies for better protection. Penetration testing forms part of the mix, alongside compliance support tailored to specific industries or policies. Zero-trust approaches feature in their work, helping organisations build layered defences against threats.

The company provides consulting on security outcomes, focusing on reducing reputational and operational risks through practical advice. Services adapt to enterprise needs with an emphasis on understanding the environment first. It’s a UK provider that serves various sectors, including those in Scotland.

Key Highlights:

• Performs penetration testing
• Offers security strategy consulting
• Supports compliance requirements
• Identifies and manages risks
• Implements zero-trust models

Services:

• Security assessments
• Penetration testing
• Compliance consulting
• Zero-trust security
• Risk identification
• Security strategy development

Contact Information:

• Website: systaltech.com
• Address: Rowan House, 1 Robroyston Oval, Nova Business Park, Glasgow, G33 1AP
• LinkedIn: www.linkedin.com/company/systal-technology-solutions
• Facebook: www.facebook.com/SystalTech
• Instagram: www.instagram.com/systaltech

11. Barnes Dennig

Barnes Dennig carries out SOC audits, including SOC 1, SOC 2, and SOC 3 reports, along with readiness assessments for companies in Glasgow and across the UK. The process examines internal controls over business processes and IT, with SOC 2 concentrating on security, availability, processing integrity, confidentiality, and privacy. SOC 1 looks at controls relevant to financial statement audits (Type 1 for design, Type 2 for operating effectiveness), while SOC 3 makes results publicly available. Readiness assessments give an overview of preparedness for these or cybersecurity audits.

Experience covers industries like healthtech, data centers, loan servicing, medical claims processing, and payroll companies that handle sensitive financial or personal data. The firm works remotely with Glasgow clients, focusing on understanding risk profiles and exposure areas to make reports reflect what’s important for the business and its customers.

Key Highlights:

• Offers SOC 1, SOC 2, and SOC 3 audits
• Provides readiness assessments
• Serves Glasgow and UK clients remotely
• Focuses on IT and business process controls

Services:

• SOC 1 Audits
• SOC 2 Audits
• SOC 3 Audits
• SOC Readiness Assessments

Contact Information:

• Website: www.barnesdennig.com
• Phone: 800-430-4731
• Address: 150 East Fourth Street, Cincinnati, OH 45202
• LinkedIn: www.linkedin.com/company/barnes-dennig
• Facebook: www.facebook.com/BarnesDennig
• Twitter: x.com/barnesdennig

12. Certum

Certum runs as a long-standing IT support provider right here in Glasgow, with our office on Stonelaw Road in the city area – we’ve been around for years helping local businesses keep their systems running smoothly. In our advisory process, we start with a full audit to map out the current infrastructure, which gives a clear picture of what’s in place before suggesting improvements or security layers. Managed IT security forms a big part of what we do, covering ongoing protection and checks that often overlap with compliance needs, especially as a Microsoft Gold Partner where posture reviews and basic assessments come naturally into the mix for small to medium-sized Glasgow companies.

We focus on practical, responsive support that aligns tech with business goals without overcomplicating things. The audit step helps spot risks early, whether it’s for general IT health or tying into security setups that prevent common issues. It’s straightforward work for local firms that want someone nearby who understands the Glasgow scene rather than dealing with distant providers.

Key Highlights:

• Glasgow-based with local office
• Conducts full infrastructure audits
• Offers managed IT security
• Provides IT consultancy with assessments
• Long-established in the city

Services:

• Managed IT support
• Managed IT security
• IT consultancy
• Infrastructure audits
• Microsoft solutions support

Contact Information:

• Website: www.certum.co.uk
• Phone: 0345 872 9728
• Email: info@certum.co.uk
• Address: The Brickhouse, 24 Stonelaw Road, Glasgow, G73 3TW
• LinkedIn: www.linkedin.com/company/certum-ltd
• Facebook: www.facebook.com/Certum
• Twitter: x.com/certumltd

13. Managed IT Experts

Managed IT Experts guides businesses through Cyber Essentials and Cyber Essentials Plus certification with an initial cyber security audit to assess risks and decide the right level. The framework applies five controls – firewalls and boundary protection, secure configurations, access controls, malware protection, and patch management – to address common internet-based attacks. Implementation follows the audit, adding measures like anti-virus, monitoring, and employee training, with advice to integrate into ongoing managed IT support.

Local support targets Glasgow, Edinburgh, and Central Scotland companies, using hands-on guidance based on their own internal process. Certification starts from a set cost, offers peace of mind against typical threats, reassures customers via logo display, and helps with government tender requirements.

Key Highlights:

• Carries out Cyber Essentials audits
• Assesses exposure to cyber risks
• Implements proven security controls
• Provides local Scotland support
• Offers certification starting from a base price

Services:

• Cyber Essentials audit
• Cyber Essentials Plus support
• Security measure implementation
• Managed IT support
• Employee security training

Contact Information:

• Website: manageditexperts.co.uk
• Phone: 01417398868
• Address: 1 Lonmay Road, Glasgow, G33 4EL
• LinkedIn: www.linkedin.com/company/managed-it-experts-ltd
• Facebook: www.facebook.com/manageditexpertsltd
• Twitter: x.com/ITExpertsUK

Conclusion

Wrapping up a look at IT audit services in Glasgow, it’s clear the city’s scene has options that range from big-picture risk assessments to hands-on cyber checks and everything in between. Whether a business needs to dig into controls for compliance reasons, hunt down vulnerabilities before someone else does, or just get a clear read on how secure their setup actually is, there’s something out there that can fit without forcing a square peg into a round hole. Glasgow’s mix of tech firms, manufacturers, financial players, and growing startups means these services aren’t one-size-fits-all – they tend to adapt to whatever the local economy throws at them.

At the end of the day, picking the right one usually comes down to what keeps you awake at night: regulatory headaches, cyber threats that feel closer every week, or simply wanting confidence that the tech backbone won’t collapse when you need it most. It’s worth taking the time to talk through your specific setup rather than jumping at the first name that pops up. The landscape here keeps evolving as threats do, so staying connected with what’s available in Glasgow can make a real difference when the next big decision rolls around. If nothing else, getting even a basic review done tends to uncover things you didn’t realise were sitting there quietly.