THS Inspection Services Ltd provide compliance support, technical monitoring audits and quality assurance services primarily to the domestic energy efficiency sector.


Our strengths are our national network of highly experienced and trained auditors and the added value brought by our data management and reporting. Our bespoke IT systems allow flexible interrogation of findings to allow you to utilise the information to drive improvements and efficiencies within your company.


THS are a member of ATMA (Association of Technical Monitoring Agents), who are a Scheme Provider under TrustMark; meaning that THS are a Registered Business under the TrustMark Quality Scheme, in the category of 'Energy Retrofit Inspectors'.


Staying COVID-19 Secure in 2020

Technical Monitoring Inspections

ECO Compliant




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Registered Office: Dissington Hall, Dalton, Ponteland, Newcastle-Upon-Tyne, NE18 0AD

Registered in England under Company No. 8921845

VAT No. 184843769

Gas Safe registered: 564159