MCS, RECC, HIP, TrustMark: Which Solar Certifications Actually Matter

A no-nonsense walkthrough of the four UK solar certification schemes — what each protects you against, which are mandatory, and how to verify them.

Cover Image for MCS, RECC, HIP, TrustMark: Which Solar Certifications Actually Matter

Reviewed by Avtar Kataria · Head Engineer · MCS-certified installer · Last reviewed April 2026

TL;DR

MCS certification is the only one that's non-negotiable; you need it to get paid for exporting power. Protections like HIP or RECC cover your deposit, workmanship warranty, and contract rights. Always verify an installer's protection before signing anything.

The solar industry has an unfortunate love of acronyms. When you're comparing quotes, you'll see a lot of logos — MCS, HIP, RECC, TrustMark. They aren't just for show; they tell you who you're dealing with.

MCS: The one you can't skip

If you only remember one, make it MCS (Microgeneration Certification Scheme). This is the industry's quality standard for both products and installers.

An MCS-certified installer has proven they can design, fit, and commission a system to a high technical standard. The panels and inverter they use must also be MCS-certified products.

Crucially, you can only access the Smart Export Guarantee — the scheme that pays you for exporting surplus electricity — if your system was installed by an MCS-certified company. No MCS, no export payments. It's that simple.

HIP & RECC: Your safety net

These are the consumer and financial protection layers. HIP (Home Improvement Protection) provides deposit protection and insurance-backed guarantees, while RECC (Renewable Energy Consumer Code) is a consumer code used across renewables.

They exist to protect you, the customer. Membership means the installer must follow rules on:

  • Clear contracts: No hidden clauses or confusing jargon.
  • Deposit protection: Your money is insured if the company goes bust.
  • No hard selling: They must give you time to think, not pressure you on the day.
  • Dispute resolution: If something goes wrong, there's an independent body to mediate.

Think of it as your insurance policy against cowboy outfits and misleading sales scripts.

TrustMark: Government-endorsed quality

TrustMark is a broader, government-endorsed quality scheme for all home improvement trades, not just solar.

To get the TrustMark badge, a company must prove it has high standards of technical competence, customer service, and trading practices. It's another good sign that an installer is reputable, but the solar-specific MCS and a consumer code membership are more critical.

How to check an installer's claims

Don't just trust the logos on a website. Anyone can copy and paste a JPEG.

  • For MCS, use the installer search on the mcscertified.com website.
  • For HIP or RECC, check their protection or member directories online.
  • For TrustMark, use their "Find a Tradesperson" search.

It takes two minutes and tells you for certain if they are who they say they are. Belt and braces.

What a good installer looks like

A reputable installer will have all the right paperwork in order and be happy to prove it. For the record, we are MCS Certified, NAPIT Approved, TrustMark Registered, and HIP-protected. This ensures every installation we carry out is technically sound and that your investment is fully protected.

If you want a quote from an installer who's done the homework so you don't have to, get in touch for a free site survey.

FREE · PERSONALISED · NO OBLIGATION

Let's get your solar estimate

Just a friendly chat about how much your roof owes you.

HIP ProtectionNAPIT ApprovedTrustMark Registered