Financial Due Diligence Services in Glasgow: A Practical Selection
Choosing the right support for financial due diligence is one of the most important steps when preparing for a business acquisition or sale. This practical guide gives you a clear overview of the financial due diligence services companies operating in Glasgow and the surrounding areas.
It is not a ranking or top list, but a straightforward review to help you understand who these companies are, how they work, and the value they bring to different types of transactions.
You will find everything from larger full-service companies with broad M&A experience to more specialist teams that focus purely on financial and commercial due diligence. Each has its own strengths, client focus, and approach.
Whether you are a buyer looking to uncover hidden risks or a seller preparing a vendor due diligence report, this guide will give you the context you need to compare options and make an informed choice.

Acumon
Acumon is a UK firm of Chartered Accountants and registered auditors that provides specialist financial due diligence services as part of its transaction advisory offering. Primarily London-based, the company is increasingly active in the Glasgow and Scottish market, supporting buyers, sellers, private equity investors and corporates with detailed, independent due diligence ahead of M&A transactions across the UK.
The team combines deep financial analysis with in-house tax expertise and real commercial understanding gained from supporting numerous transactions. Senior involvement is standard on every engagement, and the firm draws on direct acquisition experience as well as the private equity and infrastructure background of Partner Stuart Thomson. Acumon is deliberately flexible and tailors the scope and depth of due diligence to match the size and complexity of each deal.
The company works effectively on both buy-side and vendor due diligence assignments. This allows acquirers to gain a clear picture of what they are buying and helps sellers present a well-supported, credible position to the market. Acumon’s approach emphasises clear reporting with actionable findings that resonate with Scottish businesses navigating competitive deal environments.
Financial Due Diligence Capabilities:
Acumon provides comprehensive financial due diligence services across a range of transaction types and client situations. These include:
- Buy-side due diligence for acquirers
- Vendor due diligence for sellers
- Private equity backed transactions
- Corporate acquisitions and disposals
- Mid-market and owner-managed business deals
- Cross-border and international group acquisitions
Regulatory Licences and Registrations:
Acumon holds professional registrations and qualifications that support reliable due diligence delivery. These include:
- UK Chartered Accountant qualification and regulation
- Registered audit firm status
- In-house Chartered Tax Advisor expertise
- Public Interest Entity (PIE) audit licence
- International audit licences in key jurisdictions
Core Services:
In addition to core financial due diligence, Acumon provides supporting services that add value during transactions. These include:
- Quality of earnings analysis
- Working capital and cash flow review
- Tax due diligence and risk assessment
- Corporate structure and strategic review
- Operational and commercial due diligence
- Clear reporting with negotiation recommendations
Supporting Transactions Across the UK:
Many businesses and investors seek due diligence support when preparing for a significant transaction, raising finance or planning an exit. Acumon works with organisations that are:
- Considering or undertaking acquisitions in Scotland and beyond
- Preparing for a sale or vendor due diligence process
- Evaluating investment or funding opportunities
- Expanding through mergers or group restructurings
- Looking for independent risk insights in the Glasgow and Scottish market
Contact Information:
- Website: acumon.com
- Phone: 020 8567 3451
- Email: mail@acumon.com
- Address: 1-2 Craven Road, Ealing, London, W5 2UA, UK

Consilium Chartered Accountants
Consilium Chartered Accountants delivers financial due diligence as a core part of its corporate finance work. The company supports buyers, private equity houses, banks and lenders across Scotland and the UK with detailed assessments ahead of acquisitions and investments.
The team focuses on understanding the full picture of a target business through analysis of earnings quality, cash generation, working capital and future projections. Reports come with clear findings and practical recommendations that help clients evaluate risks and structure deals effectively. Consilium works on both buy-side and vendor due diligence projects, tailoring the scope to each transaction.
Key Highlights:
- Hands-on partner involvement
- Tailored project scoping
- Buy-side and vendor support
- Focus on commercial realities
- Clear and direct reporting
Services:
- Quality of earnings analysis
- Working capital reviews
- Cash flow and debt assessment
- Projections and forecasting review
- Finance function evaluation
- Pre-lending due diligence
- SPA mechanism advice
Contact Information:
- Website: consiliumca.com
- Phone: 0141 204 6650
- Address: 169 WEST GEORGE STREET, GLASGOW G2 2LB
- LinkedIn: www.linkedin.com/company/consilium-chartered-accountants
- Twitter: x.com/ConsiliumCA
- Instagram: www.instagram.com/consiliumca

Christie Griffith
Christie Griffith carries out due diligence for clients considering investments and corporate transactions. The company draws on its business and accounting background to review proposed deals in a constructive yet thorough way.
The team manages the process to fit within tight deal timetables while highlighting important financial and commercial points. Christie Griffith combines critical assessment with practical input that supports decision-making during mergers, acquisitions and other deals.
Key Highlights:
- Practical deal experience
- Timetable-conscious approach
- Balanced constructive feedback
- Investment-focused reviews
Services:
- Investment due diligence
- Corporate transaction reviews
- Mergers and acquisitions support
- Management buy-out due diligence
- Private equity due diligence
Contact Information:
- Website: www.christiegriffith.co.uk
- Phone: 0141 225 8064
- Email: robin@christiegriffith.co.uk
- Address: 20 Woodside Place, Glasgow, G3 7QL, United Kingdom

Armstrong Watson
Armstrong Watson provides financial due diligence through its corporate finance team in Glasgow. The company supports buyers and investors with analysis that helps build confidence before completing acquisitions or funding rounds.
Led by experienced professionals, the team examines earnings, working capital and balance sheet positions with a pragmatic mid-market focus. Armstrong Watson works with owner-managed businesses and financial investors looking for clear insights into growth opportunities and potential risks.
Key Highlights:
- Mid-market transaction focus
- Pragmatic and commercial advice
- Earnings and working capital expertise
- Local Glasgow presence
Services:
- Earnings analysis
- Working capital assessment
- Balance sheet reviews
- Acquisition due diligence
- Investment due diligence
Contact Information:
- Website: www.armstrongwatson.co.uk
- Phone: 0141 272 0000
- Email: help@armstrongwatson.co.uk
- Address: Caledonia House, 89 Seaward Street, Glasgow, G41 1HJ
- LinkedIn: www.linkedin.com/company/armstrong-watson
- Facebook: www.facebook.com/armstrongwatson
- Twitter: x.com/armstrongwatson
- Instagram: www.instagram.com/armstrongwatsonllp

BDO
BDO operates a dedicated transaction services team in Glasgow that handles financial due diligence across Scotland. The company supports buy-side, sell-side and refinancing work for mid-market companies, private equity and corporates.
Craig Martin leads the Scottish transaction services practice and brings significant experience to complex deals. BDO combines local knowledge with broader UK and international resources to deliver structured due diligence that identifies risks and supports value creation.
Key Highlights:
- Strong transaction services presence
- Buy-side and sell-side capability
- Refinancing due diligence
- Mid-market and PE experience
Services:
- Buy-side due diligence
- Sell-side due diligence
- Financial analysis
- Risk identification
- Transaction support
- Refinancing reviews
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

Grant Thornton
Grant Thornton offers financial due diligence as part of its transaction advisory services with a Glasgow office presence. The company helps clients understand historical performance, underlying profitability and working capital dynamics during deals.
The team combines financial expertise with sector knowledge to flag potential issues early and support informed investment decisions. Grant Thornton tailors its approach to each client’s specific objectives whether on the buy side or vendor side.
Key Highlights:
- Sector-aligned due diligence
- Early issue identification
- Partner-led engagement
- Working capital normalisation
Services:
- Underlying earnings review
- KPI and trading analysis
- Working capital profiling
- Net debt and cash assessment
- Buy-side due diligence
- Vendor due diligence
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

Countify
Countify provides mergers and acquisitions support from its Glasgow base as part of its broader accounting and advisory services. The company focuses on financial analysis and risk assessment to help businesses prepare for and execute transactions in a structured and compliant manner.
The team delivers guidance throughout the deal process, including detailed financial due diligence and risk evaluation to give clients confidence in their decisions. Countify works across various industries and handles both domestic and cross-border opportunities. The company combines practical transaction support with compliance input to help ensure deals run smoothly from start to finish.
Key Highlights:
- Transaction-focused support
- Risk assessment expertise
- Tailored deal guidance
- Glasgow-based delivery
- Compliance emphasis
Services:
- Financial due diligence
- Risk analysis
- Strategic transaction planning
- Compliance reviews
- Acquisition support
- Mergers evaluation
Contact Information:
- Website: countify.co.uk
- Phone: 01412754860
- Email: info@countify.co.uk
- Address: 3rd Floor, St. Georges Building, 5 St. Vincent Place, Glasgow, G1 2DH
- LinkedIn: www.linkedin.com/company/countify-cloud-accountants
- Facebook: www.facebook.com/people/Countify/100094716728290

WBG
WBG delivers corporate finance services through its experienced Glasgow team with support for buyers, sellers, borrowers and lenders. The company provides integrated advice across the full transaction cycle from pre-deal preparation to post-completion matters.
The corporate finance specialists handle due diligence alongside raising finance, business sales and acquisitions. WBG brings practical knowledge of price mechanisms, legal processes and funding arrangements while working closely with other members of the deal team. The company is part of the Corporate Finance Network which gives access to additional specialist resources and contacts across the UK when needed.
Key Highlights:
- Integrated corporate finance
- Buyer and seller support
- Due diligence capability
- Post-deal advice
- Network access
Services:
- Due diligence
- Buying a business
- Selling a business
- Raising finance
- Transaction support
- Price mechanism advice
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/wbg-accountancy
- Twitter: x.com/WbgAccountancy

Deloitte
Deloitte maintains a strong transaction services presence in Glasgow with dedicated support for financial due diligence. The company works with corporate clients, private equity houses and infrastructure investors across the full deal lifecycle from planning through to completion.
The Glasgow team contributes to a wider national network that delivers acquisition due diligence, vendor due diligence and related transaction support. Deloitte combines financial analysis with access to specialists in commercial, operational and other areas when required for more complex deals. The firm handles transactions of varying sizes and helps clients identify key risks and opportunities during the process.
Key Highlights:
- National transaction network
- Full deal lifecycle support
- Corporate and private equity focus
- Multidisciplinary access
- Glasgow office delivery
Services:
- Acquisition due diligence
- Vendor due diligence
- Financial analysis
- Transaction planning
- Deal execution support
- Post-deal services
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

PwC
PwC delivers transaction services and due diligence support from its Glasgow office. The company helps buyers and sellers with financial, commercial and operational insights during mergers, acquisitions and divestitures.
The team focuses on understanding deal value and risks through structured analysis and data-driven approaches. PwC works across different transaction types and provides input that supports negotiation and decision-making throughout the process.
Key Highlights:
- Data-driven insights
- Buyer and seller support
- Full transaction lifecycle
- Commercial integration
- Glasgow-based team
Services:
- Financial due diligence
- Vendor due diligence
- Commercial due diligence
- Transaction advisory
- Deal value analysis
- Bid support
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

KPMG
KPMG provides transaction advisory and due diligence services through its Glasgow office. The company supports clients with financial and commercial reviews as part of broader deal advisory work.
The Scottish team works on acquisitions, disposals and other transactions while collaborating with specialists across pricing, operations and sector areas. KPMG uses analytical tools and multidisciplinary input to help clients assess opportunities and manage risks effectively.
Key Highlights:
- Multidisciplinary team
- Scotland transaction focus
- Analytical tool support
- Sector specialist input
- Deal planning capability
Services:
- Financial due diligence
- Commercial due diligence
- Transaction advisory
- Deal strategy
- Risk assessment
- Value driver analysis
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

RSM
RSM offers transaction services with financial due diligence support from its UK offices including coverage for Glasgow clients. The company helps private equity and corporate acquirers gain clarity on performance, value and potential risks in transactions.
The team delivers practical analysis focused on quality of earnings, working capital and cash flow elements that matter to deal outcomes. RSM tailors its approach to mid-market transactions while providing clear reporting and actionable insights.
Key Highlights:
- Mid-market transaction focus
- Practical reporting style
- Private equity experience
- Corporate acquirer support
- Clear risk identification
Services:
- Quality of earnings analysis
- Working capital review
- Cash flow assessment
- Financial due diligence
- Transaction support
- Deal mechanism advice
Contact Information:
- Website: www.rsmuk.com
- Phone: 0141 221 0477
- Email: accountants@ngs-ca.co.uk
- Address: Mercantile Chambers, 53 Bothwell Street, Glasgow, Lanarkshire G2 6TB
- Instagram: www.instagram.com/rsm.uk
- LinkedIn: www.linkedin.com/company/rsm-uk

Johnston Carmichael
Johnston Carmichael provides corporate finance services with a dedicated focus on financial due diligence. The company supports clients across Scotland, including a strong presence in Glasgow, with practical advice for acquisitions, investments and sales.
The corporate finance team delivers robust reports that examine financial performance, forecasts and potential risk areas. Johnston Carmichael works with buyers and sellers to provide clear insights that help inform decisions during transactions. The team combines financial analysis with commercial understanding to support deals in a range of sectors.
Key Highlights:
- Strong Scottish presence
- Corporate finance expertise
- Buy and sell side support
- Practical risk reporting
- Glasgow office delivery
Services:
- Financial due diligence
- Acquisition support
- Vendor due diligence
- Forecast reviews
- Transaction tax input
- Deal evaluation
Contact Information:
- Website: johnstoncarmichael.com
- Phone: 0141 222 5800
- Email: dpo@jcca.co.uk
- Address: 227 West George Street, Glasgow, G2 2ND
- 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

AAB
AAB delivers corporate finance services from its Glasgow office with support for mergers, acquisitions and transactions. The company helps businesses navigate the full deal process with integrated financial and advisory input, including due diligence as part of its M&A advisory work.
The team provides due diligence alongside financial modelling and commercial assessments. AAB works with owner-managed businesses, family companies and larger organisations across different stages of growth and change. The approach focuses on clear guidance that helps clients make informed decisions during deals.
Key Highlights:
- Integrated transaction support
- Glasgow-based team
- M&A advisory capability
- Practical deal guidance
- Cross-border experience
Services:
- Due diligence
- Mergers and acquisitions advisory
- Business valuations
- Fundraising support
- Transaction support
- Selling a business
Contact Information:
- Website: aab.uk
- Phone: +44 (0)141 221 2984
- Address: 133 Finnieston St, Glasgow, G3 8HB
- LinkedIn: www.linkedin.com/company/aab-accountants
- Facebook: www.facebook.com/AABLLP
- Twitter: x.com/AABGroup_
- Instagram: www.instagram.com/_aabgroup
Conclusion
Choosing the right company for financial due diligence in Glasgow depends on several practical factors. These include the size of the transaction, your sector, the maturity of the target’s financial processes, and any specific regulatory requirements involved.
Some companies offer a broad integrated approach with access to multidisciplinary teams, while others provide more focused, specialist due diligence support. Both have their place depending on what you need for your deal.
This guide has aimed to give you a neutral, factual overview of the main players active in the Glasgow market. It is designed to help you compare options and understand the different strengths each company brings.
The right partner delivers independent assurance and practical steps to reduce risks and support resilience. With clear information in hand, you can move forward with greater confidence in your transaction.