Certification scheme

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 →

5,647tradespeople with a MCS record in the public data we track

Based on public register and directory records collected up to 6 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 record in one place.

Where MCS holders are

  • UK5,636 on record
  • GB11 on record

Trades that hold it

Electrician · 32Plumber · 25EV Charger Installer · 15Building Services Contractor · 10Builder · 4Solar Installer · 4Hvac · 3Renewable Energy Installer · 3Heating Engineer · 2

MCS holders with review evidence

These businesses hold a current MCS record and have customer reviews we can show — 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 tradespeople hold MCS (Microgeneration Certification Scheme)?

We track 5,647 tradespeople with a MCS (Microgeneration Certification Scheme) record, based on register and listing data collected up to 6 Jul 2026. This reflects the public records 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

All certificationsCowboy CheckerCompany Health CheckCredential Guide by trade

We show what the public records 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.