| 28261 | United Kingdom | Absolute Renewable Technologies | 2 Riverside Studios, Amethyst Road, Newcastle Business Park, Newcastle Upon Tyne, NE4 7YL | +44 1207 201201 | www.absoluterenewables.net | | |
| 28262 | United Kingdom | Artisan Electrics | Nine Hills Road, Cambridge, CB2 1GE | +44 1223 968001 | artisanelectrics.co.uk/ | | |
| 28263 | United Kingdom | Arun Construction Services Ltd | Unit U1 Riverside Industrial Estate, Bridge Road, Littlehampton, BN17 5DF | +44 1903 734444 | www.arunservices.co.uk | | |
| 28264 | United Kingdom | Ashfield ECO Systems Ltd. | 6 Newlands Court, Attwood Road, Burntwood, Staffordshire WS7 3GF | +44 121 7854100 | www.e-c-a.co.uk | | |
| 28265 | United Kingdom | Ashley & McDonough Compliance Service | Ashley Business Centre, Warrington Road, Prescot, Merseyside, L34 5RR | +44 151 4306191 | www.theamgroup.co.uk | | |
| 28266 | United Kingdom | Ashton Electrical | Middlehills, East Putford, Holsworthy, Devon, EX22 7XS | +44 1409 241366 | www.ashtonelectrical.org | | |
| 28267 | United Kingdom | ASK Renewable Solutions Ltd | 158 Pemberton Road, Wigan, WN3 6DB | +44 7791 650353 | https://askrenewablesolutions.co.uk | | LG Electronics, Inc., Sapphire Solar |
| 28268 | United Kingdom | Ask Renewables Limited | Unit 10 Sandybridge Lane Industrial Estate, Sandybridge Lane, Shafton S72 8PH | +44 1226 715522 | ask-renewables.co.uk | | |
| 28269 | United Kingdom | Aspen Renewables Ltd | Apex Way, Hailsham, East Sussex, BN27 3WA | +44 845 8738861 | www.aspenrenewables.co.uk | | |
| 28270 | United Kingdom | Aspey Electrical Services | 58 Lime Tree Avenue, Broadway, WR12 7BE | +44 7970 638644 | https://aspeyelectricalservices.co.uk | | |
| 28271 | United Kingdom | Aspire Eco Energy Ltd | Unit 34, Coney Green Business Centre, Wingfield View, Chesterfield, Derbyshire, S45 9JW | +44 1246 860581 | aspireecoenergy.co.uk | | |
| 28272 | United Kingdom | Aspull Electrical Services Ltd. | 124-128 Frog Lane Wigan Lancashire, WN6 7DS | +44 1942 247459 | https://aspullelectrical.co.uk | | |
| 28273 | United Kingdom | Assured Northwest Limited | Unit 29, St Michaels Industrial Estate, Widnes WA88TL | +44 151 4248161 | www.assurednw.co.uk | | |
| 28274 | United Kingdom | Assured Pro Roofing | 4 Stanley Street Lockwood Huddersfield HD1 3UQ | +44 798 8332958 | www.assuredproroofing.co.uk | | |
| 28275 | United Kingdom | Aston Group UK | Moss Lane, Romford, Essex, RM1 2PT | +44 208 0172234 | astongroupuk.com | | |
| 28276 | United Kingdom | Aston Reef Consulting Engineers | 30, Trelevan Close, St Austell, Pl25 4UU | +44 1208 811153 | astonreef.com/ | | |
| 28277 | United Kingdom | Asunim U.K. Ltd. | 52, Brook Street, W1K 5DS, London | +44 20 80893704 | www.asunim.co | SMA Solar Technology AG, Victron Energy BV, KACO New Energy GmbH, REFU Elektronik GmbH, Huawei Technologies Co., Ltd. | |
| 28278 | United Kingdom | Athena Electrical Ltd | 190 Evering Road, London, E5 8AJ | +44 20 75036211 | www.athenaelectrical.com | Panasonic Corporation (Sanyo), Tesla Energy | SolarEdge Technologies, Ltd., SolaX Power Network Technology(Zhejiang) Co.,Ltd. |
| 28279 | United Kingdom | Atherton & Partners Ltd. | Grange House, 19-21 Grange Mount, Birkenhead, Wirral, Merseyside, CH43 4XN | +44 151 6700666 | www.athertonandpartners.co.uk | | |
| 28280 | United Kingdom | Atkinson Building Contractors | 1 Brancana Court, East Lakes Business Park, Penrith, Cumbria, CA11 9BB | +44 1768 890244 | www.atkinson-builders.co.uk | | |
| 28281 | United Kingdom | D J Atkinson Construction Ltd. | 123 North Wingfield Road, Grassmoor Chesterfield, S42 5EB | +44 1246 850217 | www.atkinson-construction.co.uk | | |
| 28282 | United Kingdom | Atlantic Renewables | 51 Hillcroft Road, Altrincham, Cheshire, WA14 4JE | +44 161 2074044 | www.atlanticrenewables.co.uk | Suntech Power Co., Ltd., Win Win Precision Technology Co., Ltd., Seraphim Solar System Co., Ltd. | Enphase Energy, Inc., Danfoss A/S, SolarEdge Technologies, Ltd., Fimer S.p.A. |
| 28283 | United Kingdom | Atom Electrical Contractors | 53 The Meadows, Cimla, Neath, SA11 3XF | +44 7967 729964 | www.atomelectrical.com | | |
| 28284 | United Kingdom | Attleys Roofing Ltd | Spital Farm, Thorpe Mead, Banbury, Oxon, OX16 4RZ | +44 1295 258747 | www.attleysroofing.co.uk | | |
| 28285 | United Kingdom | Auream Energy Ltd | 17 Merton Road, Basingstoke, RG21 5UA | +44 845 4657988 | www.aureamenergy.com | Panasonic Corporation (Sanyo), Phono Solar Technology Co., Ltd., AU Optronics Corporation, LG Electronics, Inc. | SolarEdge Technologies, Ltd. |
| 28286 | United Kingdom | Austin Heating Services Ltd | 155 Harwich Rd, Little Clacton, Clacton-on-sea, Essex, CO16 9NL | +44 1255 860168 | www.aheservices.co.uk | | |
| 28287 | United Kingdom | Auto-Master (South Wales) Ltd. | Unit 3, Llywna Farm, Llanharry Road, Brynsadler, Pontyclun, CF72 9DB | +44 1443 222234 | https://auto-master.co.uk | | |
| 28288 | United Kingdom | Avatar Electrical Ltd | Unit 5, Hobbs Cross Business Centre, Theydon Garnon, Epping, Essex, CM16 7NY | +44 1992 814442 | www.avatarelectrical.co.uk | | |
| 28289 | United Kingdom | Avonlea Solar | Unit 1a, Moravian Road, Kingswood, Bristol, BS15 8NF | +44 117 9353047 | www.avonleaphotovoltaic.co.uk | | |
| 28290 | United Kingdom | Avonside Group Services Limited | he Courtyard, Green Lane, Heywood, Lancashire, OL10 2EX | +44 800 7315982 | www.avonsidegroup.co.uk | Hanwha Q CELLS GmbH, Yingli Green Energy Holding Co., Ltd., ReneSola Ltd. | SolarMax Sales and Service GmbH, Samil Power Co., Ltd. |