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Quality assurance and assessments for energy performance from experts in Dumbarton



At CMS Surveyors Ltd we have a proud history supporting organisations and businesses by completing quality assurance and compliance assessments for energy performance. We are an experienced team based in Dumbarton and offer services across Scotland and throughout the UK. Call now for information.

Quality assurance auditors and assessors in the renewable energy industry

We have a dedicated team of highly experienced and trained Quality Assurance Auditors, Retrofit Assessors and Retrofit Coordinators that are both field and office based that will provide detailed pre, mid and post install audit reports through our bespoke inspection management system Compl-i. Our technical team can also provide support and guidance to ensure installations are completed to the highest standard.


CMS Surveyors Ltd have been a long-term member of ATMA (Association of Technical Monitoring Agents), who are a Scheme Provider under This means that CMS is a registered Business under the Quality Scheme of Energy Retrofit Inspectors.

Quality assurance team with a customer
glass planet in a forest with sunshine
Working at a desk in the CMS Surveyors office

What is Compl-i?

Compl-i is our secure purpose-built all-in-one system for technical monitoring. With Compl-i, you can easily place and track order progress and instantly view completed inspections along with results and evidence. This is usually completed manually but with Compl-i, you can benefit from instant results. With our system, you can easily make challenges and receive feedback on non-compliant installs and track utility notifications. Ensuring ECO measures are met has never been easier with our automatic and efficient app.

Looking for a commercial EPC?

If you are selling or renting your property, you will require an Energy Performance Certificate. CMS Surveyors Ltd can help you get an accurate EPC in no time at all.

Key Benefits of Compl-i

Combined with CMS Surveyors Compl-i system, technical monitoring is essential in ensuring you remain compliant with Ofgem regulations. If you would like to know more about Compl-i and how we can help, please complete the contact form on this page and a member of our team will be in touch. Choose Compl-i for:

Cloud-based inspection app to use on site by inspectors

Communicate easily on specific jobs – no need to call or email

Keep evidence in one place making it easier to check

Check progress and get instant feedback

Receive guidance on non-compliant installs and track utility notifications

butterfly in hand on grass

Contact CMS Surveyors Ltd in Dumbarton to find out more about our quality assurance and compliance assessments or to speak to an auditor.

01389 298330

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