Due Diligence Services in Aberdeen – A Clear Overview

Choosing the right support for due diligence in Aberdeen can make a significant difference when you are preparing for a business acquisition or sale. This practical guide gives you a clear overview of the due diligence services companies active in the Aberdeen area – it is not a ranking or list of “top” providers, but a straightforward review to help you understand what each brings to the table.

These companies range from larger practices with broad capabilities to more specialised teams focused purely on transaction support. Some work mainly with oil and gas businesses, energy firms and local SMEs, while others handle a wider mix of sectors across Scotland and beyond.

In the sections ahead you will find who these companies typically serve, the types of due diligence they deliver – financial, tax, commercial and vendor – and the strengths that set them apart. Our aim is simple: to give you the context and clarity you need to make a confident, informed decision when selecting the right due diligence team in Aberdeen.

Acumon

Acumon is a UK firm of chartered accountants and specialist advisory professionals providing comprehensive due diligence services for corporate transactions. The firm supports clients across the UK, including Aberdeen and the North East of Scotland, as well as internationally on mergers, acquisitions, disposals and other strategic deals. Due diligence engagements are delivered with a structured, risk-focused methodology that emphasises clarity, independence and practical outcomes.

Acumon works with a diverse range of organisations preparing for or undertaking transactions in the Aberdeen region and beyond. The firm assists both buyers and sellers, delivering clear insights that help identify risks, strengthen negotiating positions and support better decision-making. Their team combines financial, tax and commercial expertise to provide integrated due diligence tailored to the specific context of each deal.

The firm brings a balanced perspective to transactions, drawing on its experience with UK businesses and international group structures. Acumon’s approach focuses on understanding the commercial realities of each situation – from Aberdeen’s energy and oil & gas sector to broader UK and international markets – while maintaining high professional standards throughout the due diligence process.

Due Diligence Capabilities:

Acumon provides due diligence services across a wide range of organisational structures and transaction types. These include:

• Buy-side due diligence for acquisitions
• Vendor due diligence for business sales
• Financial due diligence
• Tax due diligence
• Commercial due diligence
• Due diligence for UK and international group transactions
• Due diligence support for private equity and corporate buyers

Regulatory Licences and Registrations:

Acumon holds relevant professional qualifications and registrations that support high-quality due diligence work. These include:

• Chartered accountants regulated by ICAEW
• Registered audit firm with full UK statutory audit authorisation
• Specialist advisory team with transaction experience
• UK-based professionals qualified to deliver tax and commercial due diligence

Core Services:

In addition to standalone due diligence, Acumon provides integrated support for transactions. These include:

• Financial due diligence
• Tax due diligence
• Commercial due diligence
• Vendor due diligence
• Integrated transaction due diligence
• Post-transaction support and risk reviews

Supporting Growing Organisations:

Many businesses engage due diligence services when preparing for a sale, seeking investment or making an acquisition. Acumon works with organisations that are:

• Preparing for a business sale or exit
• Evaluating potential acquisitions
• Undertaking management buy-outs or buy-ins
• Expanding through corporate transactions
• Operating within UK and international group structures

Early engagement allows companies to identify issues proactively and strengthen their position in negotiations.

Contact Information:

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

Quantify Advisors Group LLP

Quantify Advisors Group LLP works from its Aberdeen office and provides corporate finance and transaction support to business owners, corporates and private equity houses. The company focuses on the full range of deal-related activities across the UK.

The team handles buy side due diligence, sell side support and vendor due diligence, along with red flag reviews and financial modelling. They help prepare businesses for sale, support acquisitions and disposals, and work through different stages of transactions. Their approach combines partner-led advice with practical support tailored to each deal in the Aberdeen region and further afield.

Key Highlights:

• Partner-led transaction support
• Buyside and vendor due diligence
• Sell side preparation
• Red flag reviews
• Financial modelling for deals
• Aberdeen office presence

Services:

• Buyside due diligence
• Vendor due diligence
• Sell side support
• Red flag reviews
• Transaction financial modelling
• Acquisition advisory
• Disposal support
• Vendor assist preparation

Contact Information:

• Website: quantify-advisors.co.uk
• Phone: (01224) 007066
• Email: info@quantify-advisors.co.uk
• Address: H1 Hill of Rubislaw, Anderson Drive, Aberdeen, AB15 6BL
• LinkedIn: www.linkedin.com/company/quantifyadvisors

AAB

AAB delivers corporate finance services from its Aberdeen office. The company supports businesses through mergers, acquisitions, disposals and other transaction processes while working with owner-managed businesses, family companies and larger UK and international entities.

They provide transaction support that includes due diligence, business valuations and fundraising advice. The team also helps with deal structuring, selling a business and international corporate finance matters. Their integrated approach aims to give clients clear information throughout complex processes without losing focus on day-to-day operations.

Key Highlights:

• Aberdeen office location
• Transaction support for deals
• Business valuations
• Fundraising support
• M&A advisory
• International corporate finance

Services:

• Mergers and acquisitions advisory
• Transaction support
• Due diligence
• Business valuations
• Selling a business support
• Fundraising advice
• Deal structuring

Contact Information:

• Website: aab.uk
• Phone: +44 (0) 1224 625111
• Address: Kingshill View, Prime Four Business Park, Kingswells, Aberdeen, AB15 8PU
• LinkedIn: www.linkedin.com/company/aab-accountants
• Facebook: www.facebook.com/AABLLP
• Twitter: x.com/AABGroup_
• Instagram: www.instagram.com/_aabgroup

Johnston Carmichael

Johnston Carmichael offers corporate finance services with a strong Aberdeen presence through its local partners. The company advises on acquisitions, disposals, management buy-outs and institutional buy-ins across Scotland and beyond.

Their team carries out financial due diligence as part of a joined-up service that also includes lead advisory, financial modelling and fundraising support. They bring experience from industry and banking backgrounds to help clients navigate growth, expansion or exit processes.

Key Highlights:

• Aberdeen-based corporate finance partners
• Financial due diligence
• Integrated transaction advice
• Acquisition and disposal support
• Financial modelling
• Fundraising guidance

Services:

• Financial due diligence
• Mergers and acquisitions advice
• Acquisition support
• Disposal advisory
• Financial modelling
• Fundraising for deals
• Management buy-out support

Contact Information:

• Website: johnstoncarmichael.com
• Phone: 01224 212222
• Email: dpo@jcca.co.uk
• Address: Bishop’s Court, 29 Albyn Place, Aberdeen, AB10 1YL
• 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

Grant Thornton

Grant Thornton operates an Aberdeen office that serves businesses across Scotland, the UK and internationally. The team provides transaction advisory services, including due diligence for acquisitions and sales, alongside other support for private businesses in various sectors.

They combine local market knowledge with wider experience to assist companies with buying or selling a business and improving operations. The Aberdeen team works with clients of different sizes in sectors including energy and beyond.

Key Highlights:

• Aberdeen office location
• Transaction advisory services
• Due diligence support
• Local and international reach
• Support for business sales and purchases

Services:

• Transaction advisory
• Due diligence
• Acquisition support
• Disposal support
• Deal structuring advice

Contact Information:

• Website: www.grantthornton.co.uk
• Phone: +44 (0)1224 925 986
• Email: dan.j.dickinson@uk.gt.com
• Address: Neo House, Riverside Drive, Aberdeen, AB11 7LH
• LinkedIn: www.linkedin.com/company/grant-thornton-uk
• Instagram: www.instagram.com/gt_trainees

Hall Morrice

Hall Morrice provides corporate finance services from Aberdeen to SMEs across a range of industries. The company supports businesses looking to expand through acquisition, realise value through sale or secure funding for growth.

They offer acquisition support from opportunity identification through due diligence, financing and post-deal integration. The team also helps with sales preparation, private equity introductions and business modelling to align funding with company needs.

Key Highlights:

• Acquisition support package
• Financial due diligence
• Sales and disposal support
• Fundraising and modelling
• Post-deal integration
• Private equity connections

Services:

• Acquisition support
• Financial due diligence
• Sales support
• Fundraising and modelling
• Disposal advisory
• Private equity introductions
• Post-transaction support

Contact Information:

• Website: www.hall-morrice.co.uk
• Phone: +44 (0)1224 647394
• Address: 6 & 7 Queens Terrace, Aberdeen AB10 1XL
• LinkedIn: www.linkedin.com/company/hall-morrice
• Facebook: www.facebook.com/HallMorriceCA
• Twitter: x.com/HallMorriceCA

Henderson Loggie (HLCA)

Henderson Loggie provides corporate finance services with teams based in both Aberdeen and Dundee. The company supports clients throughout Scotland who are considering buying or selling a business. They work with private companies, management teams and shareholders on a range of transaction types.

The team carries out financial and operational due diligence to help buyers understand what they are acquiring. They also guide clients through management buy-outs, employee ownership transitions and the process of securing finance for deals. Their support covers the different stages of transactions with a practical and structured approach. Clients receive clear information to help them make informed decisions during the buying or selling process.

Key Highlights:

• Corporate acquisition support
• Due diligence for buyers
• Management buy-out advice
• Aberdeen and Dundee presence
• Deal finance guidance
• Practical transaction support

Services:

• Acquisition support
• Financial due diligence
• Operational due diligence
• Management buy-outs
• Employee ownership transitions
• Business valuations
• Deal finance advice
• Transaction structuring

Contact Information:

• Website: hlca.co.uk
• Phone: 01224 322100
• Email: info@hlca.co.uk
• Address: 1 Marischal Square, Broad Street, Aberdeen, AB10 1BL
• LinkedIn: www.linkedin.com/company/hendersonloggie
• Facebook: www.facebook.com/HendersonLoggie
• Instagram: www.instagram.com/hendersonloggie

Brodies LLP

Brodies LLP offers mergers and acquisitions expertise with an office in Aberdeen. The company advises clients on corporate transactions across Scotland, the UK and international markets. They work with private companies, owner-managed businesses and larger organisations.

Their team manages the full range of M&A processes including due diligence during live deals. They coordinate with specialists in tax, employment, real estate and regulatory matters to deliver joined-up support. The Aberdeen office serves clients in key sectors such as energy, renewables, food and drink, and technology. This allows them to provide relevant advice that reflects both local conditions and wider market factors.

Key Highlights:

• Aberdeen office presence
• Full service M&A support
• Cross-border transaction experience
• Sector focused advice
• Collaborative team approach
• Comprehensive deal coordination

Services:

• Mergers and acquisitions advisory
• Due diligence in transactions
• Corporate deal structuring
• Joint venture agreements
• Private equity transactions
• Business sale support
• Acquisition legal advice
• Regulatory support in deals

Contact Information:

• Website: brodies.com
• Phone: +44 (0)1224 392 242
• Address: 31-33 Union Grove, Aberdeen, AB10 6SD, Scotland, UK
• LinkedIn: www.linkedin.com/company/brodies-llp
• Facebook: www.facebook.com/BrodiesLLP
• Instagram: www.instagram.com/brodiesllp

Aberdein Considine

Aberdein Considine delivers corporate and business advisory services from its Aberdeen office. As a legal firm, the company supports shareholders, business owners and management teams through the legal aspects of mergers, acquisitions and other corporate transactions. They provide guidance from initial negotiations through to deal completion.

The team has considerable experience across key Aberdeen and Scottish sectors including energy, marine, financial services, technology, healthcare and food and drink. They advise on the legal and property elements of deals, including acquisitions, business sales, joint ventures and corporate restructures. Their strength lies in combining commercial awareness with detailed legal transaction support.

Key Highlights:

• Partner-led transaction teams
• Aberdeen office location
• Legal and property aspects of transactions
• Cross-border deal support
• Sector specific expertise
• Full transaction lifecycle support

Services:

• Mergers and acquisitions advisory
• Legal due diligence in transactions
• Support with due diligence in acquisitions and business sales
• Property and commercial due diligence
• Joint venture agreements
• Management buy-outs
• Corporate restructures
• Shareholder agreements

Contact Information:

• Website: legal.acandco.com
• Phone: 0333 0044333
• Email: ask@acandco.com
• Address: 1st Floor, Blenheim House, Fountainhall Road, Aberdeen, AB15 4DT
• LinkedIn: www.linkedin.com/company/aberdein-considine

FRP Advisory

FRP Advisory operates an Aberdeen office that provides corporate finance and transaction services to businesses in the North East of Scotland. The company supports clients in important local sectors such as energy, engineering, manufacturing and technology. They work with management teams, shareholders and other professional advisers.

Their team offers guidance on transactions, financial assessments and different aspects of deal execution. They help businesses with acquisitions, disposals and other corporate activity in the region. The Aberdeen office combines local market knowledge with practical transaction experience. This helps clients move through deals with clear direction and realistic expectations.

Key Highlights:

• Aberdeen office location
• Corporate finance support
• Transaction services
• Regional sector knowledge
• Practical deal guidance
• Support for local businesses

Services:

• Transaction support
• Corporate finance advisory
• Due diligence
• Acquisition advice
• Business sale support
• Deal structuring
• Restructuring support

Contact Information:

• Website: www.frpadvisory.com
• Phone: +44 (0)330 055 5455
• Email: aberdeen@frpadvisory.com
• Address: Suite B, 4th Floor, Meridian, Union Row, Aberdeen, AB10 1SA

PwC

PwC runs an Aberdeen office with a dedicated team serving the energy, engineering and wider business community in the North East of Scotland. The company provides transaction services and advisory support to organisations of different sizes in the region. They combine local presence with access to broader resources.

Their specialists deliver financial due diligence and M&A advisory as part of transaction projects. The team supports clients involved in acquisitions, disposals and other corporate deals. They bring understanding of both the Aberdeen market and national and international transaction trends. This helps organisations approach deals with a balanced view of risks and opportunities.

Key Highlights:

• Aberdeen office presence
• Energy sector experience
• Transaction services
• Financial due diligence
• Local and national support
• M&A advisory

Services:

• Transaction advisory
• Financial due diligence
• Mergers and acquisitions advisory
• Deal support
• Corporate finance services
• Acquisition guidance
• Disposal advisory

Contact Information:

• Website: www.pwc.co.uk

• Phone: +44 (0)1224 210100
• Email: laetitia.lynn@pwc.com
• Address: 431 Union Street, Aberdeen, AB11 6DA
• LinkedIn: www.linkedin.com/company/pwc-uk
• Facebook: www.facebook.com/PwCUK
• Instagram: www.instagram.com/pwc_uk

Wood Group

Wood Group provides specialist technical and environmental due diligence services as part of its broad engineering and consultancy capabilities. The company supports clients with detailed assessments for new investments and existing assets, particularly in the energy and industrial sectors across Aberdeen and internationally. Their work is highly relevant for organisations operating in complex industrial environments where technical and operational risks are significant.

The company focuses on transactional due diligence with an emphasis on engineering and environmental risks that can materially impact project viability and asset value. Their team evaluates hazard and risk management, operational readiness, regulatory compliance and asset integrity. This technical expertise complements financial due diligence by identifying practical and operational issues that could affect transaction outcomes or future performance.

Key Highlights:

• Technical and environmental due diligence
• Transactional due diligence
• Engineering risk evaluation
• Environmental risk assessment
• Asset integrity review
• Energy sector expertise

Services:

• Technical and environmental due diligence
• Transactional due diligence
• Engineering risk analysis
• Environmental assessment
• Hazard and risk management
• Operational readiness review
• Asset integrity review
• Regulatory compliance support

Contact Information:

• Website: www.woodgroup.com
• Phone: +44 1224 851000
• Address: Sir Ian Wood House, Hareness Road, Altens Industrial Estate, Aberdeen, AB12 3LE, United Kingdom
• LinkedIn: www.linkedin.com/company/woodgroup-ltd
• Facebook: www.facebook.com/woodgroupltd
• Twitter: x.com/Woodplc
• Instagram: www.instagram.com/woodgroupglobal

Grant Smith Law

Grant Smith Law Practice delivers corporate legal services to businesses across North-East Scotland. The company advises owner-managed businesses, family firms and partnerships on company structures, ownership arrangements and transactions. Their team takes time to understand each client’s specific goals and provides practical legal guidance tailored to the situation.

They support clients through the full corporate lifecycle, including buying and selling businesses with due diligence, heads of terms and completion. The practice also assists with shareholder agreements, company formation, succession planning and management buy-outs. As a full-service firm they can coordinate related legal matters such as property or employment issues within the same team. This local presence in the North East allows them to deliver straightforward advice that reflects the realities of businesses in the region.

Key Highlights:

• Corporate legal advice
• Aberdeen area focus
• Transaction support
• Practical business guidance
• Full lifecycle support

Services:

• Business acquisitions
• Business disposals
• Due diligence in transactions
• Shareholder agreements
• Management buy-outs
• Succession planning
• Company restructuring
• Heads of terms negotiation

Contact Information:

• Website: www.grantsmithlaw.co.uk
• Phone: 01224 621620
• Email: info@grantsmithlaw.co.uk
• Address: Amicable House, 252 Union Street, Aberdeen, AB10 1TN
• LinkedIn: www.linkedin.com/company/grant-smith-law-practice
• Facebook: www.facebook.com/GrantSmithLawPractice

JG Collie & Co

JG Collie offers legal services for business acquisitions and sales from offices in Aberdeen and Stonehaven. The company supports clients who need a fast, efficient and commercially aware approach to complex transactions. Their experienced commercial team guides businesses through every stage of the buying or selling process.

The team handles initial investigations, confidentiality agreements, heads of terms, due diligence exercises and full transaction documentation through to completion. They work with technically competent lawyers who understand the practical realities of deals in the North East of Scotland. This allows clients to receive consistent support from the same team from start to finish. The firm’s local presence helps ensure advice remains relevant to regional business conditions and requirements.

Key Highlights:

• Business acquisition support
• Business sale support
• Aberdeen and Stonehaven offices
• Commercial legal advice
• Full process guidance

Services:

• Business acquisitions
• Business sales
• Due diligence
• Heads of terms
• Confidentiality agreements
• Transaction documentation
• Commercial transaction support
• Risk review in deals

Contact Information:

• Website: www.jgcollie.co.uk
• Phone: 01224 945594
• Email: info@jgcollie.co.uk
• Address: 1 East Craibstone Street, Aberdeen, Scotland, AB11 6YQ
• LinkedIn: www.linkedin.com/company/james-and-george-collie-llp
• Facebook: www.facebook.com/jgcollie
• Instagram: www.instagram.com/jgcollie

Conclusion

Choosing the right due diligence partner in Aberdeen ultimately depends on several practical factors. These include the size of your business, the sector you operate in, the maturity of your internal processes, and any specific regulatory requirements that apply to the transaction.

Some companies offer a broad, integrated approach that combines multiple types of due diligence under one roof. Others focus on a narrower, more specialised service, such as technical, environmental or purely financial reviews.

The right partner delivers independent assurance and practical steps to reduce risks and support resilience.

This guide has aimed to provide clear, neutral context about the due diligence services companies active in the Aberdeen area. Armed with this overview, you can now compare options more effectively and identify the team that best matches your specific needs.