Keeping electrical safety in check

Keeping electrical safety in check

The team

Mark Smith, Fixed Wire Testing Manager

Mark Smith is the business owner and is also the Fixed Wire Testing Manager. Mark has been involved within the industry for 27 years and founded MS Electrical Services 12 years ago to deliver PAT testing and fixed wire testing in Cambridge and surrounding areas. He brings a wealth of experience both on and off site, as well as thorough and efficient project management. With the experience of running fixed wire testing projects such as Babraham Research Campus, Savills, Cambridge University and within the NHS, Mark ensures the MS Electrical team works around our clients requirements to minimise disturbance to their day-to-day activities.

Justin Carpenter, PAT Testing Manager

We were incredibly pleased when Justin joined the MS Electrical Services team back in 2011. He is our PAT test manager and has been in charge of running the PAT testing jobs on site. To date, he has managed projects for clients including Hinchingbrooke Hospital, St Marys School and Cambridge University, as well as many more. Justin brings a wealth of knowledge within the PAT testing industry and works together with our clients to minimise the disruption on site. His skill at managing not just the large sites but smaller sites too means that we can plan works in to provide structure to each client's needs. As Justin works with the same clients every year, he quickly builds excellent relationships which enables us to understand how different businesses work. This in turn helps to provide a smooth PAT testing service where we can put our clients’ needs first. He is good with people, flexible in his approach to working around clients and knowledgeable about all the technical aspects of PAT testing. All in all, he's a really good egg, and a genuine asset to our business.

Catherine Smith, Office Manager

Catherine is our office manager and has been a huge asset to us since joining the team six years ago. Catherine boasts a wealth of knowledge in office administration and management. By managing our reporting software, notifying our clients of test due dates, undertaking the invoicing and generally keeping the business administration in order Catherine helps us deliver the most professional and efficient service we can for our clients.

Latest News

EICRs for Landlords: What you need to know

If you are a landlord, keeping the electrical installation in your rental property safe with an EICR is an important part of protecting your tenants and meeting your responsibilities...

6th November 2026

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What happens when an appliance fails a PAT test?

PAT testing effectively identifies safety issues with electrical appliances, but what actually happens if one fails?

19th October 2026

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Preparing your workplace for winter: an electrical safety checklist

When temperatures drop electrical systems in the workplace can come under extra pressure, so safety checks are imperative...

9th October 2026

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Why PAT testing matters

Frayed cables, cracked plugs and exposed wiring are all signs that your appliances could be dangerous, so that's why PAT testing should top your agenda...

17th September 2026

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Testimonials

Thank you for all you and your team's hard work in getting all of our sites PAT tested. We will certainly be using you again in 12 months' time to go over the same locations again.

Rutland Cycling

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Our Clients

Westminster College
Belvoir
Global Graphics Software
Murray Edwards College
Ely Museum
Pocock & Shaw
Christ's College Cambridge
Homerton College
Cambridge Property Lettings
Histon Football Club
Clare College
Swynford Manor
Bidwells
St Giles International
Iconal Technology Ltd
Interaction Recruitment
St Mary's School
GR8
Cambridge BID
Wolfson College Cambridge
St John's College
The Cambridge Building Society
EF Education First
Fitzwilliam College
Poets House
Cambridge Junction
Cheffins
Corpus Christi College
Romsey Mill
Cambridge Dial-a-Ride
Eaton
Footprint Signs & Graphics
Inspired Health & Fitness Club
Elyte Fitness
Ryder & Amies
The Cambridge Satchel Co.
Redmayne Arnold & Harris
Westcott House
Toshiba
Rutland Cycling
John Banks Group
Bush & Co
Vindis
Sepura
Standen

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Our Accreditations

NICEIC Domestic Installer
NICEIC Approved Contractor
Registered Competent Person Electrical
SafeContractor
TrustMark