Solar Installation Companies UK (2026)
John Rooney is the founder of Solar Info and has been covering the UK solar energy market since 2023. He researches every battery and inverter brand against manufacturer datasheets, MCS and Ofgem data, and feedback from the MCS-certified installers in our directory before publishing.
Compare the top rated solar installation companies in the UK in 2026, ranked by verified Google and Trustpilot reviews. Based on 1,578,951 verified reviews across 1902 MCS-certified companies. Updated July 2026.
Top 5 Solar Installation Companies in the UK (2026)
- Harling Electrical Limited: 5.0 stars (564 reviews), serves 2 counties
- PWS Renewables LTD: 5.0 stars (518 reviews), serves 32 counties
- Now EV Ltd: 5.0 stars (481 reviews), serves 5 counties
- Staybright Energy Ltd T/A Skylar Solar: 5.0 stars (324 reviews), serves 2 counties
- Home Heating Services (Scotland) Limited: 5.0 stars (273 reviews), serves 6 counties
Ranked by combined Google & Trustpilot rating, weighted by review volume. All MCS-certified. Updated July 2026.
Fact-checked by John Rooney, Solar Energy Editor. Editorial policy
Compare Top Solar Installation Companies in the UK
Side-by-side comparison of the highest rated solar installation companies in the UK, ranked by verified customer reviews from Google and Trustpilot. All are MCS-certified.
| Rank | Company | Rating | Reviews | Trustpilot | Counties | MCS | |
|---|---|---|---|---|---|---|---|
| 1 | Harling Electrical Limited | 5.0 ★ | 564 | 5.0 (27) | 5.0 (537) | 2 | Yes |
| 2 | PWS Renewables LTD | 5.0 ★ | 518 | 5.0 (518) | , | 32 | Yes |
| 3 | Now EV Ltd | 5.0 ★ | 481 | 5.0 (323) | 5.0 (158) | 5 | Yes |
| 4 | Staybright Energy Ltd T/A Skylar Solar | 5.0 ★ | 324 | 5.0 (324) | , | 2 | Yes |
| 5 | Home Heating Services (Scotland) Limited | 5.0 ★ | 273 | 5.0 (227) | 5.0 (46) | 6 | Yes |
| 6 | CRC Electrical and Renewables Ltd | 5.0 ★ | 270 | 5.0 (261) | 5.0 (9) | 1 | Yes |
| 7 | Solarfix NI Ltd | 5.0 ★ | 260 | 5.0 (260) | , | 3 | Yes |
| 8 | Green Home Heating Ltd | 5.0 ★ | 243 | 5.0 (243) | , | 3 | Yes |
| 9 | APEX DOMA Ltd | 5.0 ★ | 236 | 5.0 (130) | 5.0 (106) | 7 | Yes |
| 10 | JDS Gas Services Ltd | 5.0 ★ | 231 | 4.9 (81) | 5.0 (150) | 4 | Yes |
Combined rating = weighted average of Google and Trustpilot ratings by review count. Minimum 3 verified reviews required. Rankings independent of sponsorship.
Best Solar Installers by County
Top rated solar companies in the UK's most searched counties, based on verified customer reviews.
Top Solar Installers in Greater London
- BM Electricals: 5.0 ★ (143 reviews)
- JJB Electrical Ltd: 5.0 ★ (109 reviews)
- QUANTUM ELECTRICAL & SOLAR LTD: 5.0 ★ (100 reviews)
- Green Energy Electrical Ltd: 5.0 ★ (99 reviews)
- Green Eco Group Ltd: 5.0 ★ (58 reviews)
Top Solar Installers in Essex
- Staybright Energy Ltd T/A Skylar Solar: 5.0 ★ (324 reviews)
- The Solar & Renewables Co. Ltd t/a The Solar Co.: 5.0 ★ (156 reviews)
- Coolpower Electrical Ltd: 5.0 ★ (141 reviews)
- B-Solar Energy Installations LTD: 5.0 ★ (115 reviews)
- OJF Electrical Limited: 5.0 ★ (113 reviews)
Top Solar Installers in Kent
- AquaHeat Ashford Limited: 5.0 ★ (171 reviews)
- The Solar & Renewables Co. Ltd t/a The Solar Co.: 5.0 ★ (156 reviews)
- Sussex Solar Ltd: 5.0 ★ (101 reviews)
- Green Energy Electrical Ltd: 5.0 ★ (99 reviews)
- Stag Solar Solutions Limited: 5.0 ★ (91 reviews)
Top Solar Installers in Surrey
- The Solar & Renewables Co. Ltd t/a The Solar Co.: 5.0 ★ (156 reviews)
- Viable Power Solutions Ltd: 5.0 ★ (151 reviews)
- BM Electricals: 5.0 ★ (143 reviews)
- Sussex Solar Ltd: 5.0 ★ (101 reviews)
- Green Energy Electrical Ltd: 5.0 ★ (99 reviews)
Top Solar Installers in Hampshire
- Cinergi Ltd: 5.0 ★ (194 reviews)
- Viable Power Solutions Ltd: 5.0 ★ (151 reviews)
- Alps Electrical Ltd: 5.0 ★ (124 reviews)
- Sussex Solar Ltd: 5.0 ★ (101 reviews)
- Green Energy Electrical Ltd: 5.0 ★ (99 reviews)
Top Solar Installers in West Yorkshire
- APEX DOMA Ltd: 5.0 ★ (236 reviews)
- Save With Solar Ltd: 5.0 ★ (209 reviews)
- EV Chargers & Electricals Limited t/a Voltco: 5.0 ★ (154 reviews)
- Ben Energy Electrical Services Ltd: 5.0 ★ (126 reviews)
- Alps Electrical Ltd: 5.0 ★ (124 reviews)
Top Solar Installers in Greater Manchester
- APEX DOMA Ltd: 5.0 ★ (236 reviews)
- Think Free Solar Ltd: 5.0 ★ (128 reviews)
- Greentech Renewables Ltd: 5.0 ★ (123 reviews)
- Litlec: 5.0 ★ (122 reviews)
- CJR Electrical Services Ltd: 5.0 ★ (95 reviews)
Top Solar Installers in West Midlands
- EV-PV Ltd: 5.0 ★ (202 reviews)
- Rollings Renewables Limited: 5.0 ★ (185 reviews)
- Actismart Ltd: 5.0 ★ (179 reviews)
- Next Phase Electrical Services Ltd t/a NPES: 5.0 ★ (154 reviews)
- Craig Michael Maintenance Ltd T/A Craig Michael Renewables: 5.0 ★ (144 reviews)
How We Rank Solar Installation Companies
Our comparison ranks solar installation companies using a weighted average of verified Google and Trustpilot reviews. This gives more weight to companies with more reviews, not just high ratings from a small number of customers.
Inclusion criteria: MCS-certified, active, at least 3 verified reviews on Google or Trustpilot. Rankings are calculated automatically and updated regularly.
Editorial independence: Solar Info earns revenue through sponsorships and advertising. Sponsored installers are clearly labelled. Rankings are applied equally regardless of payment status. See our editorial policy.
For a deeper look at what makes a good installer, read our guide to choosing the best solar installer. For pricing, see solar panel costs in the UK. All installers listed qualify for the Smart Export Guarantee (SEG) and benefit from 0% VAT on solar installations (until March 2027).
Most Reviewed Solar Installers in the UK
Solar companies with the highest number of verified customer reviews. More reviews indicate more completed installations and a longer track record.
| # | Company | Total Reviews | Rating | Based in |
|---|---|---|---|---|
| 1 | Octopus Energy Services Limited | 772315 | 4.8 ★ | Greater London |
| 2 | OVO (S) Gas Limited | 264985 | 4.4 ★ | Bristol |
| 3 | Utilita Field Services Limited | 111508 | 4.2 ★ | Hampshire |
| 4 | E.ON Energy Installation Services Limited t/a EON | 65573 | 3.7 ★ | Warwickshire |
| 5 | E.ON UK Green Funding Solutions Limited | 65571 | 3.7 ★ | West Midlands |
| 6 | Zuno Opco Limited t/a BOXT | 56839 | 4.8 ★ | West Yorkshire |
| 7 | PHS Home Solutions Limited t/a 0800 Repair | 34458 | 4.7 ★ | Durham |
| 8 | Glow Green Ltd | 14475 | 4.4 ★ | Dorset |
| 9 | Good Energy Solar (South West) Ltd | 14471 | 4.6 ★ | Wiltshire |
| 10 | Heatable Ltd | 13962 | 4.8 ★ | Cheshire |
Frequently Asked Questions
Who are the top 5 solar installers in the UK in 2026?
Based on verified Google and Trustpilot reviews, the top rated solar installers in the UK in 2026 are: 1. Harling Electrical Limited (5.0 stars, 564 reviews), 2. PWS Renewables LTD (5.0 stars, 518 reviews), 3. Now EV Ltd (5.0 stars, 481 reviews), 4. Staybright Energy Ltd T/A Skylar Solar (5.0 stars, 324 reviews), 5. Home Heating Services (Scotland) Limited (5.0 stars, 273 reviews). All are MCS-certified and serve multiple counties. Rankings are based on combined review ratings and volume.
How do you rank the best solar installation companies in the UK?
We rank solar installation companies using a weighted average of verified Google and Trustpilot reviews. Companies must be MCS-certified and have at least 3 verified reviews to appear in our comparison. Rankings are updated regularly and are independent of sponsorship.
How do I choose a solar installation company in the UK?
Look for MCS certification (required for the Smart Export Guarantee), verified reviews on Google and Trustpilot, at least a few years of trading history, and workmanship warranties of 10+ years. Always get 3 quotes from different solar installation companies before committing, and check they serve your county.
What is the best solar company in the UK in 2026?
Based on combined Google and Trustpilot reviews, Harling Electrical Limited has the highest rating among MCS-certified solar installers in the UK with 5.0 stars across 564 reviews. However, the best installer for you depends on your location, budget, and system size. We recommend getting 3+ quotes.
Which solar installers have the most reviews in the UK?
The most reviewed solar installers in the UK are: Octopus Energy Services Limited (772315 reviews), OVO (S) Gas Limited (264985 reviews), Utilita Field Services Limited (111508 reviews). More reviews generally indicate more installations completed and a longer track record.
What are the best solar companies in London in 2026?
The top rated solar installers serving London in 2026 are: BM Electricals (5.0 stars), JJB Electrical Ltd (5.0 stars), QUANTUM ELECTRICAL & SOLAR LTD (5.0 stars). All are MCS-certified. See our full London comparison for more.
Are all listed solar installers MCS certified?
Yes. Every installer in our comparison is verified as MCS-certified. MCS (Microgeneration Certification Scheme) is the UK quality mark for small-scale renewable energy installations. MCS certification is required for eligibility for the Smart Export Guarantee (SEG), which pays you for surplus electricity exported to the grid.
Related Guides
Best Solar Installers UK
Guide to choosing the best solar installer in the UK.
Project Solar UK Review
Trustpilot scores, the 99-year warranty, prices and alternatives.
Solar Panel Cost UK
Full cost breakdown and payback periods.
MCS Certification
What MCS means, why it matters, and how to check your installer.
Solar Incentives
0% VAT, Smart Export Guarantee, ECO4, and business capital allowances.
Octopus Energy Solar Panels
Octopus solar panel packages, pricing, Intelligent Go tariff, and how they compare.
EON Next Solar Panels
EON Next solar panel packages: costs, what is included, smart tariffs, and comparison with independent installers.
British Gas Solar
British Gas solar packages with Hive integration review.
Related Blog Posts
Sources
- Google Reviews: verified customer ratings via Google Business Profiles
- Trustpilot: verified customer ratings via trustpilot.com
- MCS (Microgeneration Certification Scheme): mcscertified.com
John Rooney is the founder of Solar Info and has been covering the UK solar energy market since 2023. He researches every battery and inverter brand against manufacturer datasheets, MCS and Ofgem data, and feedback from the MCS-certified installers in our directory before publishing.
Get Quotes from Top Rated Installers
Compare prices from the highest rated MCS-certified solar installers in your area. Free, no obligation.