Audit services, tax services, consulting services, corporate services

About us

Professional Services

Supporting your business

As global leaders in professional services we can provide you with the insight to move your business forward. We bring deep industry knowledge to bear in our distinctive audit approach, expert tax advice, consulting solutions and full-service corporate finance capability.

Our professional services 


Auditing is a highly complex process, and the importance of auditors as a vital link in the financial reporting chain has never been more important nor their role as trusted advisors more valued. Innovative suppliers of advice on financial instruments.

View our Audit page for more information on the services we offer. 


No matter how complex your business questions, we have the capabilities and experience to deliver the answers you need to move forward. As the world's largest consulting firm, we can help you take decisive action and achieve sustainable results.

View our Consulting page for more information on the services we offer. 

Corporate Finance

Our Corporate Finance department/team provides advisory services around M&A transactions, restructurings and forensics. Our finance transformation teams help CFOS drive business performance and efficiency within their finance organisation. Our CFO Programme delivers innovative events and insights.

View our Finance page for more information on the services we offer.


Deloitte provides business and personal tax services to a wide range of clients, from multinationals to family-owned businesses and individuals. We can assist with transactions across many jurisdictions, advise on key business decisions, and offer cost-effective support for more routine matters.

View our Tax page for more information on the services we offer. 

Meet our Leaders

If you are interested in learning more about the professional services we offer, contact: 

Harry Goddard, Partner – Head of Consulting 

Lorraine Griffin, Partner – Head of Tax 

Martin Reilly, Partner – Head of Corporate Finance 

Marguerite Larkin, Partner - Head of Audit 

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