MCS (Microgeneration Certification Scheme)
The UK quality mark for installers of heat pumps, solar panels, battery storage and other small-scale renewables. MCS certification is usually required to access government grants such as the Boiler Upgrade Scheme.
Verify on the official register →
Based on public register entries and source listings collected up to 14 Jul 2026. Not an official membership count.
Check a specific trader
Thinking of hiring someone? Confirm their current MCS status on the official register, then run their name through our Cowboy Checker to see their reviews, credentials and company details in one place.
Where MCS holders are
- London
- Norwich
- Southampton
- Bournemouth
- Sheffield
- Leeds
- Ipswich
- Nottingham
- Glasgow
Trades that hold it
Electrician · 273Heating Engineer · 82Plumber · 51EV Charger Installer · 34Solar Installer · 32Builder · 15Building Services Contractor · 11
MCS holders with review evidence
These businesses hold a current MCS entry and have customer reviews we can show. This is a small slice of all holders, not the register itself.
Common questions
What is MCS (Microgeneration Certification Scheme)?
The UK quality mark for installers of heat pumps, solar panels, battery storage and other small-scale renewables. MCS certification is usually required to access government grants such as the Boiler Upgrade Scheme. (Certification scheme.)
How many traders hold MCS (Microgeneration Certification Scheme)?
We track 6,184 traders with an MCS (Microgeneration Certification Scheme) entry, based on register and listing data collected up to 14 Jul 2026. This reflects the public entries we have collected, not necessarily the scheme's complete membership.
How do I check whether a specific trader holds MCS (Microgeneration Certification Scheme)?
Check the official register at https://mcscertified.com/find-an-installer/, or look the trader up on MyTrustedTraders. Profiles show the credentials we have found for them, alongside reviews and other public evidence.
Keep checking
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We show what the public sources say, with dates. A listing here is not an endorsement, and absence from our data does not mean a trader is unregistered. Always confirm current status with the scheme before you hire.