AUDIT & ACCCOUNTING SERVICES
As an experienced audit firm supporting organisations throughout the UK and Ireland, we go beyond the statutory report. Our team delivers clear insight that sharpens controls, reduces risk and uncovers opportunities —whether you operate in a single location or across borders. We specialise in working with mid-market organisations throughout the UK and Ireland, as well as those with multinational operations.


WHAT SETS US APART?
1000+ Specialist advisors
600+ Audits performed annually
80+ Countries we operate in
50+ Prestigious awards won
Top 20* UK Accountancy Firm

SLEEP BETTER, WORK BETTER, WITH OUR AUDIT & ACCOUTNING SERVICE
Your shareholders and stakeholders want to feel confident; you need insights and advice to help you sleep easy. Besides providing honest facts and transparency, our audit firm goes further – helping ensure your regulatory compliance and guiding your strategies to grow and sustain your business.
By getting under the skin of your organisation, our auditors will help you gain a clearer understanding of your risks and potential, with proactive suggestions for improving performance.
THE SUPPORT YOU DESERVE, FROM AN AUDIT FIRM THAT GETS IT.
In today’s economic climate, many businesses tell us the same thing — they’re not
getting the support they need from their current audit firm. Have you seen your
audit fees rise, but the level of service slip? We hear this often from businesses
that turn to us after feeling let down by their previous firm. Some also feel they’ve
outgrown their advisors, while others feel left behind.
At AAB, we believe audit should be more than a tick-box exercise. It should offer
insight, spark better decisions, and give you confidence in where you’re headed.
Our audit team is part of a wider group with deep specialist knowledge across the
UK and Ireland. That means we’re equipped to support businesses of all sizes,
across all sectors — with practical advice, delivered when it matters most.
We take the time to understand your world, ask the right questions, and offer more
than just a year-end sign-off. We’re here to help you save money, time, and sleep a
little easier — today, and as your business grows.
THE SUPPORT YOU DESERVE, FROM AN AUDIT FIRM THAT GETS IT.
In today’s economic climate, many businesses tell us the same thing — they’re not
getting the support they need from their current audit firm. Have you seen your
audit fees rise, but the level of service slip? We hear this often from businesses
that turn to us after feeling let down by their previous firm. Some also feel they’ve
outgrown their advisors, while others feel left behind.
At AAB, we believe audit should be more than a tick-box exercise. It should offer
insight, spark better decisions, and give you confidence in where you’re headed.
Our audit team is part of a wider group with deep specialist knowledge across the
UK and Ireland. That means we’re equipped to support businesses of all sizes,
across all sectors — with practical advice, delivered when it matters most.
We take the time to understand your world, ask the right questions, and offer more
than just a year-end sign-off. We’re here to help you save money, time, and sleep a
little easier — today, and as your business grows.

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RELIABLE AUDITS, REAL SUPPORT.
Our team brings deep sector knowledge and practical insight to audits that
go beyond the basics. With experience gained at Big 4 accounting firms, our
specialists combine technical excellence with commercial understanding.
Whether you’re in some of our key sectors such as construction, real estate,
infrastructure, consumer goods or technology, we understand the pressures you
face and the opportunities ahead.

BIG PICTURE THINKING, LOCAL KNOW-HOW.
What sets us apart? It’s the way we combine on-the-ground insight with the scale
and specialist expertise of the wider AAB Group. You get the best of both worlds
— people who understand your local market and have the reach to support you
wherever your business goes next.
Our team is straight-talking, switched-on, and genuinely invested in helping you
succeed. Backed by smart technology and a culture that puts clients first, we’re here
to keep things moving smoothly, even when the road gets bumpy.
BIG PICTURE THINKING, LOCAL KNOW-HOW.
What sets us apart? It’s the way we combine on-the-ground insight with the scale
and specialist expertise of the wider AAB Group. You get the best of both worlds
— people who understand your local market and have the reach to support you
wherever your business goes next.
Our team is straight-talking, switched-on, and genuinely invested in helping you
succeed. Backed by smart technology and a culture that puts clients first, we’re here
to keep things moving smoothly, even when the road gets bumpy.


We're an audit firm that delivers high-quality technology-enabled audits by bringing in the right people, listening to your needs, and committing time to getting things right. Communication is key - we raise issues early, plan ahead, keep you updated and provide clear, useful reporting. Our team takes the time to understand your business, so your audit is tailored, efficient, and adds value.
"AAB has been pivotal in consolidating our international group of companies. Their professional and collaborative approach fosters a strong sense of partnership. Their expertise ensures our business operates effectively and efficiently across all areas."
CIARAN QUINN, FINANCE DIRECTOR OF PW MINING INTERNATIONAL LTD

HOW OUR AUDIT FIRM DELIVERS
The experience of our dedicated team enables us to deliver an audit process that
combines the approach taken by large firms (detailed pre year-end planning, clear
and transparent communication and scoping, a risk-based testing approach and
value adding reporting), with the delivery of a local team who are friendly, commercial
and pragmatic.
-
Depth of Resource: We can mobilise a team at short notice for any project, big or small.
- Partner-led: Our partners stay closely involved year-round, giving us the flexibility to shape a service that truly fits your business
- Cross-service Capability: We offer the full range of accountancy and advisory services you'd expect from a leading audit firm.
- High Quality Team: We have a fantastic mix of home-grown talent and senior recruits from the top Big 4 accounting firms who are all passionate, well-rounded advisors
- Value for Money: Our approach to pricing aligns cost with value for money and gives flexibility and conrol back to you, the client.
HOW OUR AUDIT FIRM DELIVERS
The experience of our dedicated team enables us to deliver an audit process that
combines the approach taken by large firms (detailed pre year-end planning, clear
and transparent communication and scoping, a risk-based testing approach and
value adding reporting), with the delivery of a local team who are friendly, commercial
and pragmatic.
-
Depth of Resource: We can mobilise a team at short notice for any project, big or small.
- Partner-led: Our partners stay closely involved year-round, giving us the flexibility to shape a service that truly fits your business
- Cross-service Capability: We offer the full range of accountancy and advisory services you'd expect from a leading audit firm.
- High Quality Team: We have a fantastic mix of home-grown talent and senior recruits from the top Big 4 accounting firms who are all passionate, well-rounded advisors
- Value for Money: Our approach to pricing aligns cost with value for money and gives flexibility and conrol back to you, the client.


EXTERNAL AUDIT: COMPLIANCE, NOT COMPLEXITY
Our external auditors' primary role is to ensure that your financial statements present a true and fair view. However, to us that’s just the start. We look to get under the skin of your business and provide data that can inform your best business decisions. We go beyond traditional auditing by challenging the status quo to help you succeed.
Working with clients across a wide range of sectors – from construction to charities, energy to education – means we’ll already be familiar with your marketplace, risks and legislation. We will gain a thorough understanding of your business, collect input from partners and senior staff, working unobtrusively with your people with minimal impact and above all, provide value for money.
CLARITY & SUPPORT FOR PUBLIC & NON-PROFIT
Public sector bodies, charities and not-for-profit organisations such as social housing providers face increasing scrutiny of their financial position and sustainability, with the likelihood of negative publicity or regulator focus if there’s evidence of exceptions.
Our public sector and not-for-profit audit team is highly experienced in audits for social housing providers, Higher Education Institutions and charities, with a thorough understanding of the SORPs for each sector. Our auditors will conduct a diligent, comprehensive and cost-effective independent audit for your organisation.
Besides accurately reflecting your financial position, it can offer a useful early warning of risks and helpful pointers for how you can mitigate them, with the option of our team’s support, advice and training on technical accounting matters.
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CLARITY & SUPPORT FOR PUBLIC & NON-PROFIT
Public sector bodies, charities and not-for-profit organisations such as social housing providers face increasing scrutiny of their financial position and sustainability, with the likelihood of negative publicity or regulator focus if there’s evidence of exceptions.
Our public sector and not-for-profit audit team is highly experienced in audits for social housing providers, Higher Education Institutions and charities, with a thorough understanding of the SORPs for each sector. Our auditors will conduct a diligent, comprehensive and cost-effective independent audit for your organisation.
Besides accurately reflecting your financial position, it can offer a useful early warning of risks and helpful pointers for how you can mitigate them, with the option of our team’s support, advice and training on technical accounting matters.

EXPERTS IN JOINT VENTURE & CONTRACT AUDITS
Accurate audits are essential for joint venture projects. With a team of specialists with extensive experience and knowledge in leading industries, AAB is positioned to support clients worldwide. By establishing relationships with operators based on mutual trust and respect, we consistently deliver prompt and dependable audits.
Our services include:
- Joint Venture Audit
- Contract/Vendor Audit
- Drilling Audit
- Completion Accounts
We’ll give you the peace of mind and:
- Save you time by managing the entire Joint Venture/Contract Audit process
- Help you make savings in your ventures
- Identify and report on risks and bring any issues to a conclusion
- Recover incorrectly charged costs and ensure appropriate corrections
- Advise you on best practices and industry benchmarks
- Help you escalate and resolve issues through the right channels at the right time

EXPERIENCED GLOBAL REACH
As well as delivering audit services to businesses in the UK, we act as the lead auditor for many international clients, managing the global audit process. Through our affiliation to Crowe Global (through Accelerate) and TIAG (The International Accounting Group) we offer a truly global audit service.
We work with UK entities within international groups, liaising with overseas auditors to ensure compliance with UK statutory requirements and adherence to the Group auditor’s work scope, instructions and all reporting deadlines. We’ll make sure you’re aware of any changes in regulations, locally or in other jurisdictions, that could affect your business.
EXPERIENCED GLOBAL REACH
As well as delivering audit services to businesses in the UK, we act as the lead auditor for many international clients, managing the global audit process. Through our affiliation to Crowe Global (through Accelerate) and TIAG (The International Accounting Group) we offer a truly global audit service.
We work with UK entities within international groups, liaising with overseas auditors to ensure compliance with UK statutory requirements and adherence to the Group auditor’s work scope, instructions and all reporting deadlines. We’ll make sure you’re aware of any changes in regulations, locally or in other jurisdictions, that could affect your business.

"It was the start of a big journey that AAB has supported me on all the way through and they continue to do so. AAB knows all my businesses. They understand us and have consistently helped to shape our growth, which has involved advising and auditing businesses with a £50m turnover across the whole group. It’s a key selling point for me that they’ve been on the whole journey, including all the operational challenges we faced during the pandemic."
GRAEME LEE, FOUNDER & FORMER CHIEF EXECUTIVE, SPRINGFIELD HEALTHCARE GROUP
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HOW CAN AAB HELP?
At AAB we understand the requirement of your shareholders and stakeholders to feel confident; you need insights and advice to help you sleep easy. Besides providing honest facts and transparency, we go further – helping ensure your regulatory compliance and guiding your strategies to grow and sustain your operations. By getting under the skin of your organisation, we’ll help you gain a clearer understanding of your risks and potential, with proactive suggestions for improving processes and controls. Our audit service goes above and beyond, ensuring compliance is just the starting point of what we provide for our clients.
SOME OF OUR EXPERIENCED TEAM

JAMES PIRRIE
Head of Audit
James Pirrie is Head of Audit and leads our Audit team. He specialises in providing audit services to a wide range of clients. James’ role includes working with clients to provide audit services and he also has an operational and leadership role within AAB.

JAI RAJA
Audit Partner
Jai Raja is an Audit Partner at AAB and the Regional Audit Lead for South England, based in the firm’s London office. With a career spanning over 17 years, he brings a depth of experience and a practical, people-first approach to every client relationship. His sector knowledge covers a broad range of industries, including manufacturing, renewable energy, technology, real estate, and construction.
