Audit & Assurance Services in Dublin & Ireland

Audit & assurance services in Ireland that go beyond compliance

In addition to being a regulatory requirement, audit plays a vital role in maintaining the credibility of your business and provides directors with an important business control. Our audit approach is designed to meet compliance requirements while also adding real value for your management team.

We work closely with directors and finance teams in Ireland and internationally, building strong relationships and delivering a practical, well-managed audit process.

Our clients operate across multiple sectors, including property and construction, eCommerce and retail, manufacturing, pharmaceutical, professional services, and hospitality. We are also the trusted auditor in Ireland to many multinational brands. 

Led by Audit Partner Francis Mc Carron and our experienced team of accountants, we provide a partner-led service with continuity of staff and a collaborative approach that ensures open matters are closed efficiently and deadlines are met.

Get in touch with an Audit Specialist Today ⟶

We offer a full range of Audit & Assurance services

Statutory Audit Services

  • Independent financial statement audits.
  • Audit of group and consolidated accounts.
  • Compliance with Irish regulatory requirements.

Financial Statements Preparation

  • Company financial statements.
  • Sole trader and partnership accounts.
  • Preparation in line with relevant accounting standards.

Outsourced Accountancy

Audit & Assurance

Payroll & Compliance

Taxation & Tax Advisory

Restructuring & Insolvency Services

Business Support Services

Digital Currency Advisory

International Business

Audit & Assurance Advisory

  • Identification of financial and operational risks.
  • Recommendations to improve internal controls.
  • Practical insights to strengthen your business governance.

Outsourced Financial Controller Support

  • Ongoing financial oversight and guidance.
  • Ensuring Companies Registration Office (CRO) compliance.
  • Meeting Revenue deadlines accurately and on time.

Who We Work With

Supporting businesses across Ireland and beyond

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Our audit & assurance clients include

  • SMEs and owner-managed businesses
  • Growing and scaling companies across a variety of sectors.
  • Irish subsidiaries of international groups.
  • Companies requiring statutory audit compliance.
  • Company financial statements.
  • Sole trader and partnership accounts.
  • Preparation in line with relevant accounting standards.

Financial Statements Preparation

We adapt our audit approach based on your size, sector, and complexity.

What Our Clients Say

“This is my second scale-up with CAS Advisory. CAS are more than accountants – they’re a sounding board and a strategic partner. I value being able to pick up the phone, get practical advice, and know that they understand our long-term vision. I know they are the right partner for us as we enter this exciting next phase of expansion into the UK.”
Chris Rooney
Chris RooneyHead of Marketing and Communications | Dabbledoo
“We’ve been with CAS Advisory for over ten years now. Their reliable, hands-on approach is exactly what we need on the ground in Ireland. We know the services they provide to us are in hand, with no surprises. And if we need to seek expert advice, we can get it quickly through their senior management. We’ve grown (and continue to grow) together, and I can’t recommend them enough.”
-Maximilian Harper, COO & CDO,
-Maximilian Harper, COO & CDO,Ceo & CDO | Zeidler Group
“Stephen and the team at CAS Advisory have played a pivotal role in the success of Clarity VP. Their strategic approach and consistently valuable advice have enabled us to sustain continued growth since launching in 2013. The team at CAS is truly outstanding and I look forward to continuing to work with them well into the future!”
Valerie O‘Keefe
Valerie O‘KeefeCeo | Clarity VP
With our previous firm, everything last minute. Since switching to CAS Advisory, we’ve gained a partner — responsive, knowledgeable, and always one step ahead. They understand our sector, offer solid advice, and deliver a hassle-free audit across all our companies. Stephen, Corina, and the who team there are responsive, flexible, and great to deal with- I’d be happy to recommend CAS!”
Michael Murphy
Michael MurphyFinancial Controller | Bargaintown
“The team at CAS are a huge support to O’HareTEP. We’ve been steadily growing over the past few years and that’s partially down to my ability to focus on business growth, while CAS Advisory looks after all my accounts, tax, payroll, and audit. They’ve been particularly valuable in helping me navigate the purchase of equipment from various locations across Europe - they’re genuine experts. I’d highly recommend CAS Payroll.”
Gavin O’Hare
Gavin O’HareOwner & MD | O’HareTEP

What You Can Expect with a CAS Led Audit

See our Team in Action ⟶
  • We agree on timelines upfront.
  • Everything is planned, diarised, and aligned with your internal deadlines.
  • You know exactly what’s happening and when.
  • Senior professionals lead your audit.
  • You get direct access to experienced advisors who understand your business.
  • Questions are answered quickly and clearly.
  • We stay in touch throughout.
  • Regular check-ins keep everything on track.
  • Issues are flagged early, not at the end.
  • We address matters as they arise.
  • No unexpected adjustments late in the process.
  • You stay informed at every stage.
  • Deadlines are met.
  • Your audit is delivered when you need it.
  • No delays, no last-minute stress.
  • Everything is aligned with your statutory and company requirements.
  • You leave the process fully compliant and ready for what’s next.

Why Choose CAS?

A more personal, organised, & responsive audit

  • A responsive, approachable team who pick up the phone to get things done if deadlines are approaching.
  • Strong focus on adding value beyond compliance.
  • Experience across multiple sectors and business types.
  • Efficient delivery with minimal disruption.
contact us ⟶

Looking for an experienced auditor that brings real insight to your business?

Let’s make your audit process smoother, clearer, and more useful.

Speak to Our Audit Team ⟶

Meet your Audit Partner

Director

Francis McCarron ⟶

Francis Mc Carron

Director

Francis is a Director at CAS Advisory, where he leads the firm’s Audit department. He manages a team of qualified accountants and trainees, overseeing statutory audits and ensuring clients receive a responsive, high-quality service.

He works with businesses across a range of sectors, including retail and e-Commerce, property management and healthcare, providing support with financial statement preparation, taxation and payroll.

Known for his technical expertise and plain-speaking approach, he helps clients navigate complex problems and stay ahead of their compliance obligations.

Originally from Co. Fermanagh, Francis is a passionate supporter of Liverpool FC and the Philadelphia Eagles.

How CAS Advisory supports O’Hare Technical Production (OHareTEP)

  • Outsourced Accountancy
  • Taxation
  • Payroll
  • Business Advisory
  • Scale-up support
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What do O’HareTEP value most about the team at CAS Advisory?

  • Knowledge and expertise.
  • Ability to pick up the phone and get quick, yet expert advice.
  • Organised, no surprises approach.
  • Strategic mindset & support with sustainable growth.
  • Their understanding of a growing services-based business.
  • VAT experts across various jurisdictions – valuable in our business.
“The team at CAS are a huge support to O’HareTEP. We’ve been steadily growing over the past few years and that’s partially down to my ability to focus on business growth, while CAS Advisory looks after all my accounts, tax, payroll, and audit. They’ve been particularly valuable in helping me navigate the purchase of equipment from various locations across Europe – they’re genuine experts. I’d highly recommend CAS.”
Gavin O’Hare -Owner and MD
O’Hare TEP
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Growth aligned with a thriving industry

Since its establishment in Ireland, Zeidler Group has grown steadily to a significant team locally, expanding with the growth of the funds and asset management industry in Ireland. 

What sets them apart is their technology-driven legal approach and expansive network, which allows them to remain highly responsive to client and industry needs while leveraging longstanding expertise in cross-border distribution and licensing.

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What do Zeidler Group (Ireland) value most about the team at CAS Advisory?

  • Partnership approach.
  • Direct access to senior management.
  • Hands-on, local Irish advice.
  • Clear, reliable service with no surprises.
  • Invaluable support during a restructure.
“We’ve been with CAS Advisory for over ten years now. Their reliable, hands-on approach is exactly what we need on the ground in Ireland. We know the services they provide to us are in hand, with no surprises. And if we need to seek expert advice, we can get it quickly through their senior management. We’ve grown (and continue to grow) together, and I can’t recommend them enough.”
Maximilian Harper -COO and CDO
Zeidler Group
contact us ⟶

Touch Case Studies Supporting one of Ireland’s largest furniture retailers with business advisory, audit, and CRO compliance

About Bargaintown

Bargaintown is one of Ireland’s largest furniture retailers, with 5 stores in Dublin and a thriving online business. 100% family owned, Bargaintown has been in business over 50 years, providing cost-effective furniture and carpets for the rental and domestic markets. Known for being a ‘one-stop-shop’ in beds, mattresses, and furniture, Bargaintown offers full outfitting, installation, and assembly, as well as supply.

How CAS Advisory supports Bargaintown

  • Audit
  • Company Secretarial
  • Financial Strategy
  • Previously supported the secondment of an on-site accounts assistant.
  • Businesses with complex or cross-border tax requirements.

What do Bargaintown value most about the team at CAS Advisory?

  • Access to expertise.
  • Rapid response times.
  • Organised, ‘no surprises’ approach.
  • Strategic mindset & support.
  • Ability to deal with the complex (5 companies, mix of E-Commerce & Retail + Property Co.)
  • Advice during business change.
“With our previous firm, everything last minute. Since switching to CAS Advisory, we’ve gained a partner — responsive, knowledgeable, and always one step ahead. They understand our sector, offer solid advice, and deliver a hassle-free audit across all our companies. Stephen, Corina, and the who team there are responsive, flexible, and great to deal with- I’d be happy to recommend CAS!”
Michael Murphy - Financial Controller
Bargaintown
“With our previous firm, everything last minute. Since switching to CAS Advisory, we’ve gained a partner — responsive, knowledgeable, and always one step ahead. They understand our sector, offer solid advice, and deliver a hassle-free audit across all our companies. Stephen, Corina, and the who team there are responsive, flexible, and great to deal with- I’d be happy to recommend CAS!”
Michael Murphy - Financial Controller
Bargaintown

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