NHS | Guys & St Thomas Hospital
Approved Service Contractor.

East London Foundation Trust
Servicing 15 mental health centres | Electrical framework.

Havering Educational Services
Approved contractor | servicing over 80 schools within the London Borough of havering.

10 Years of NIEIC
We have Recently received our certificate for our 10 year NIEIC.

“Hollmark have proved that they are extremely competitive with regard to costs, are accommodating in terms of changing circumstances, are responsive, and can be relied upon to ensure that all works are carried out in a safe and conscientious manner to a high quality standard.

They go that extra mile!”

John Turner

Senior Building Surveyor, Sense

Some of our clients include

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