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Our Accreditations

A reputable local roofing company with nationally recognised accreditations, CSM are proud to be trusted by hundreds of customers all across the North East.

which trusted trader

Which? Trusted Trader

We are proud to be recognised as a Which? Trusted Trader, an endorsement scheme that helps consumers find reputable traders. The Which? brand is synonymous with quality and fairness and so using a Which? Trusted trader provides consumers with peace of mind. The standard covers every aspect of the trader-customer relationship.


Fairtrades Registered

FairTrades Registered

Complete Service Maintenance is a FairTrades Registered Company. FairTrades has been the endorsement for top quality home improvement companies since 1983. Being a member of FairTrades requires us to uphold, follow and endorse the association’s high standards of customer service. Click here for further details.


Accredited Guardian Installer

We are an officially approved installer of the Guardian Warm Roof. Find us and verify us on the official Guardian website.


BBA approved

BBA Approved

The BBA is the UK's major authority offering approval and certification services to manufacturers and installers supplying the construction industry.


freefoam lifetime guarantee 

Freefoam Registered Installer

We are a Freefoam registered installer and offer the extended 50 Year Lifetime Guarantee on Freefoam products.


Homepro Insurance backed guarantee

10 year HomePro Insurance Backed Guarantee

HomePro Insurance is a specialist in the home improvement industry and is authorised and regulated by the Financial Services Authority and covered by the Financial Services Compensation Scheme. Complete Service Maintenance offer all customers a HomePro Insurance backed guarantee. The guarantee covers both our workmanship and all of the materials used for 10 years.

Who We Are:

Established in 1999, Complete Service Maintenance Ltd (CSM) is a trusted North East roofing company with a great reputation for providing top quality service and products.

Company Reg. No: 07504709   VAT No: 164 77 32 86 

Contact Us:

Jarrow Business Centre,
Tyne & Wear, NE32 3DT

Phone: 0191 428 3448
Freephone: 0800 011 3770