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60 Seconds with Denis McCarthy

16 June 2025
In our latest 60 Seconds, we sit down with Denis McCarthy, one of our Regional Assesors to learn more about his role, experiences, and insights.

What does your role involve?

My role involves carrying out ISO certification audits to ensure companies comply to ISO standards. I audit ISO9001, ISO14001, ISO45001, ISO22301, ISO27001 and ISO 27701. I also audit some Highway Sector Schemes. I meet various roles within companies from Managing Directors to administration and it's enjoyable to see how different some companies approach the audit process. 

What do you enjoy most about your job?

  • I love that every day can be different. I audit a variety of industries such as construction, shipping, telecoms, recruitment, transport, recycling and many more. I learn a lot from audits but can also spread best practice during audits. The variety of audits keeps me focused on specific company activities and I find that helps me learn more about how companies and different industries are managing locally and globally.
  • It's also interesting to see small businesses remaining involved in their communities, particularly, helping with climate change and local environmental issues. I love seeing companies develop new products and technologies such as AI and how businesses are becoming more aware of these changes ahead of the changes.

How would your team describe you in 3 words?

Driven, empathetic, and adaptable!

Why did you choose this career path?

I fell into auditing by accident when I was a performance officer. I was part of the compliance team and got my first ISO9001 and ISO14001 Lead Auditor Certification. I then worked in security services before I was asked to be a Lead Auditor for a certification body. Since then I've developed further Lead Auditor qualifications.

What’s a fun fact about you that most people don’t know?

I'm a published author and have completed a serial killer trilogy. I am just about to publish my second non-crime book at the end of June. Stephen King watch out!!!!

If you could instantly master one skill or talent, what would it be?

I play guitar and used to play in a band. I would love to learn the piano or even the violin, if only to annoy the neighbours!

A proud moment or achievement at work or in your personal life

When I worked for charities in war torn areas, I helped to develop education programmes for children. It was great seeing children from rival military factions learning together with no prejudices. The idea that different ideologies can be brought together was great to see.   

Special edition: Auditor joke

What do you call an auditor whose car breaks down during the audit?...
A cab! 


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