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About Us


Over 60 years experience in the leak detection business

With our experience and knowledge we have a wide range of testing methods


The company was established in 1986 as Leaktector specialising in electronic testing for leaks in flat roof waterproofing membranes...


We work across the UK and are proud to have been associated with many prestigious contracts...


Our Directors collectively have more than 60 years experience within the business and are experts in the field...


We offer specialist advice and case studies for more information on our expertise through our blogs...

Our Experience

Thornton Consulting was established in 1986 and encompasses the brand Leaktector, which pioneered the electronic testing for leaks in flat roof waterproofing membranes.  

The management team have over 60 years experience between them and are specialists in their area. We have a highly qualified team of consultants and engineers that cover the UK.

Our Experience
Our Clients
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Our Clients

We work across the UK on both commercial and large residential buildings that include office blocks, shopping centres, schools, car parks and apartment blocks.


We are very proud to have worked on many prestigious contracts. Here are just some of our clients: 

Meet The Team

Our experienced Management Team

Over 60 years in the business

Sam Audsley

Sam joined Thornton Consulting in 2001 and has more than 20 years experience in the industry having trained with the company under Steve Thornton. 


As co-owner and director he is involved with all aspects of testing as well as development of processes and procedures, ensuring the company stays at the forefront of the industry.

Wendy Belding

Wendy has been with the company since 1999 and worked her way  from Office Administrator to becoming a co-owner.  Wendy has undertaken Management  and Leadership courses to ensure the delivery of the best solutions that the company can offer clients in terms of customer service, professionalism and implement change.   Wendy prides herself on her enthusiasm and good sense of humour to build a great rapport with existing and new clients.

Simon Thompson

Simon started at Thornton Consulting in 2000 and has over 20 years experience  in both electronic waterproofing integrity testing and structural leak investigations.


Simon represents the company with RAWTA (our trade association) and as a co-owner of the company he is looking forward to maintaining the companies position at the forefront of the leak detection industry.

Our Blogs

Our Work

To find out more about what we do and how we work, read our case studies and blogs below.

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