Getting on the MCS installer list and turning it into leads
In short
The MCS installer list is the public directory of certified installers, and you join it by becoming MCS certified. Keep your listing accurate and answer every enquiry the same day it arrives.
- Certification through an approved body is the only way onto the MCS installer list.
- Your listing shows technologies, regions and contact details, so check it against reality every quarter.
- Annual surveillance and complete job records protect your place on the list.
- Log every listing enquiry with its source so you can see what it earns.
- Reply the same day with one clear next step, then follow up on a fixed schedule.
The public MCS installer list is where customers go to shortlist certified installers. Learn how to get listed, what to keep current to stay on it, and how to answer every enquiry the same day.
The MCS installer list is the public "Find an Installer" directory run by MCS, the UK quality mark for small-scale renewables. You get onto it by becoming MCS certified through an independent certification body; there is no separate sign-up. To stay on it, you keep your certification live through annual surveillance, keep the technologies, regions and contact details on your listing accurate, and keep meeting the scheme's other requirements, such as consumer code membership and approved financial protection. Most installers treat all of this as compliance. This guide argues for treating it as a lead source too: the listing is where customers go to find you, so every enquiry that arrives through it deserves a same-day reply.
Why the listing is a lead source as well as a compliance step
MCS says certified installers get a bespoke listing on Find an Installer, where customers thinking about switching to home-grown energy can find their contact details. Each listing shows the certification number, telephone, address, regions covered, Boiler Upgrade Scheme registration, the certification body and the technologies the business is certified for. Customers can search by installer name or certification number, or search by technology and location.
That is a shop window. A homeowner who has heard that MCS matters, perhaps because a grant requires it, uses the tool to build a shortlist and then phones or emails two or three businesses. The installer who answers first, with a clear next step, usually frames the rest of the conversation. We could not find a published figure for how many enquiries the tool sends or how fast customers expect a reply, so treat the same-day rule as sound practice rather than a statistic.
The listing also does not fill your diary on its own. The MCS Installations Database records the jobs you win but does not send you any, so the discipline sits with you.
What the listing cannot do
A listing shows you are certified. It does not rank you, qualify the enquiry or chase it for you. Everything after the first contact is your own process.
Getting onto the list
Certification is the only route. MCS covers small-scale installations up to 50kW for electrical technologies and 45kW for heating (70kW where several heating units share one installation). The technologies include solar PV, battery storage, heat pumps, biomass, solar heating and small wind turbines. Under the redeveloped installer scheme, which replaces the old contractor standard, most existing installers must have transitioned by 31 March 2027 according to a third-party summary of MCS guidance, so check your certification body's timetable.
Decide which technologies and regions you want to be listed for
Certification is per technology, and a business can hold heat pumps without holding solar PV. List only what you can design, install and commission to the MCS standards, and note the regions you will genuinely travel to. These become the filters customers use to find you.
Name your people for the required business roles
MCS expects a Main Contact for scheme queries, a Licensee who signs the Installer Agreement and accepts ultimate responsibility, and a Technical Supervisor who signs off every installation. In a small business one person can hold several roles. Write down who it is before you apply.
Document your processes and controls
You must develop and document the processes that make every installation meet scheme requirements, sized to the complexity of your work. Include design, pre-sale information, commissioning records and customer documentation, because assessors sample them.
Apply to a certification body
Choose an independent certification body that covers the technologies you want. Compare the total cost including the annual surveillance fee, and ask what a surveillance visit involves. Confirm the consumer code and financial protection requirements that apply to you.
Check your listing as soon as it goes live
Search for your own business by name and by certification number on Find an Installer. Confirm the phone number, address, regions, technologies, certification body and Boiler Upgrade Scheme status are all correct. If something is wrong, raise it with your certification body or the MCS Customer Support Helpdesk.
Keeping the listing accurate and your place on it
Staying on the list depends on staying certified. Certification is maintained through annual surveillance by your certification body. If assessments find continuing non-conformances, the body can restrict the scope of a certificate or, in serious cases, suspend it, and MCS says installation database access is revoked if an installer is suspended or removed. Under the redeveloped scheme, surveillance is risk-based, so records matter more than ever.
Run a quarterly listing review
Every three months, search for yourself again. Check that staff changes, a new office, a new phone number or a new technology have been reflected. A listing that sends a customer to a dead number is worse than no listing at all.
Keep the compliance trail current
Keep qualifications, insurance, consumer code membership and financial protection arrangements in date, and keep job records complete so surveillance is a formality. Registering each finished job on the installation database within the permitted window keeps the certificate trail clean for customers and assessors.
Turning listing enquiries into booked surveys
An enquiry from a public listing is a warm lead from someone who has already filtered for certified installers. Handle it with a fixed routine, not memory and goodwill.
Capture every enquiry as a lead the moment it arrives
Whether it comes by phone, email or web form, log the name, contact details, address, technology, source ("MCS listing") and time received. A lead tracker does this in one place, but a shared spreadsheet works if everyone uses it. Recording the source lets you see later which enquiries become revenue.
Reply the same day with one clear next step
Acknowledge the enquiry by phone or message within the working day, ask the two or three questions that decide feasibility (roof or plant space, current energy use, grant interest), and offer survey dates. If you cannot call the same day, send a short written reply saying when you will.
Send a written quote and keep following up
After the survey, issue a clear quote built on the pre-sale information and performance estimate the scheme requires. Keep options and versions together so the customer sees one current price. Diarize a follow-up three days later, then a week later. When the customer accepts, convert it to a job so survey, install, commissioning and certificate stay tied to one record.
Common pitfalls
Most losses are mundane. Enquiries sit in a shared inbox over a weekend. The person named on the listing has left. A business lists regions it no longer serves and wastes surveys on out-of-area calls. Another lets a technology lapse and keeps appearing for it. Each of these is fixed by assigning one owner for the listing and one for incoming leads, then reviewing both on a calendar.
Software can carry the routine. Zigaflow's leads feature logs each enquiry with its source, quotes keeps versions of the price together, and jobs ties survey, installation and certificate to one record. Installers working across solar, batteries and heat pumps can find the wider picture on the renewables industry page. The principle is simple: the listing earns its place on your marketing plan only if the enquiries it produces are answered promptly and tracked to a result.
Common questions
Sources
- Find An Installer - MCSMCS · accessed 2026-11-06
- Becoming certified - MCSMCS · accessed 2026-11-06
- MCS Database: MID Login, Installer and Product LookupSolar Surveys UK · accessed 2026-11-06
- MCS Redeveloped Installer Scheme 2026: Installer GuideReonic · accessed 2026-11-06