| 1 | — |  | Eevery | Measurement & Reporting | Carbon Accounting | Authority |
| 2 | — |  | 51toCarbonZero | Measurement & Reporting | Carbon Accounting | Authority |
| 3 | — |  | Future Tech Solar | Energy Solutions | Building Retrofit & Refurbishment | Authority |
| 4 | ▲560 |  | Hyperion Executive Search | Training & Culture | | Basic |
| 5 | ▲77 |  | Charm Industrial | Carbon Markets & Offsetting | | Basic |
| 6 | ▲251 |  | Pure Energy UK | Energy Solutions | | Basic |
| 7 | ▲61 |  | bp pulse | Energy Solutions | | Basic |
| 8 | ▲17 |  | ERM | Advisory & Strategy | | Basic |
| 9 | ▲89 |  | Seedling | Measurement & Reporting | | Basic |
| 10 | ▲27 |  | Ecotricity | Energy Solutions | Renewable Energy Supply | Authority |
| 11 | ▼7 |  | 1% for the Planet | Impact Organisations | | Basic |
| 12 | ▲139 |  | Breakthrough Energy | Finance & Funding | | Basic |
| 13 | ▲555 |  | Time to Act | Finance & Funding | | Basic |
| 14 | ▲265 |  | QLM Technology | Measurement & Reporting | | Basic |
| 15 | ▲105 |  | Good Energy | Energy Solutions | Renewable Energy Supply | Engage |
| 16 | ▲345 |  | SE Advisory Services | Advisory & Strategy | Sustainability Strategy | Authority |
| 17 | ▲120 |  | Greenpixie | Measurement & Reporting | | Basic |
| 18 | ▲14 |  | Ailuna | Training & Culture | | Basic |
| 19 | ▲82 |  | One Tribe | Carbon Markets & Offsetting | Carbon Credit Providers | Authority |
| 20 | ▲470 |  | Carbon Clean | Carbon Markets & Offsetting | | Basic |
| 21 | ▲687 |  | Exponential Roadmap Initiative | Membership Organisations & Alliances | | Basic |
| 22 | ▼16 |  | 3DegreeGroup | Advisory & Strategy | | Basic |
| 23 | ▲577 |  | International Ethics Standards Board for Accountants | Certifications & Standards | | Basic |
| 24 | ▲673 |  | Nayture | Advisory & Strategy | | Basic |
| 25 | ▼9 |  | Acre | Training & Culture | Recruitment & Talent Services | Authority |
| 26 | ▼2 |  | Action Sustainability | Advisory & Strategy | | Basic |
| 27 | ▲442 |  | Green Future Project | Measurement & Reporting | | Basic |
| 28 | ▲259 |  | Saïd Business School - University of Oxford | Training & Culture | | Basic |
| 29 | ▲460 |  | Verte Ltd | Advisory & Strategy | Energy Efficiency Solutions | Engage |
| 30 | ▼21 |  | 4C Associates | Advisory & Strategy | | Basic |
| 31 | ▼5 |  | Aggreko | Energy Solutions | | Basic |
| 32 | ▲193 |  | Zeigo | Measurement & Reporting | | Basic |
| 33 | ▼19 |  | Abatable | Carbon Markets & Offsetting | | Basic |
| 34 | ▲617 |  | UK Carbon Registry | Carbon Markets & Offsetting | | Basic |
| 35 | ▲415 |  | E.ON UK PLC | Energy Solutions | | Basic |
| 36 | ▲53 |  | Bedrock Energy | Energy Solutions | | Basic |
| 37 | ▲217 |  | CWP Energy | Energy Solutions | | Basic |
| 38 | ▲1 |  | Carbon Architecture | Advisory & Strategy | Sustainability Strategy | Authority |
| 39 | ▲17 |  | Carbmee | Measurement & Reporting | | Basic |
| 40 | ▲30 |  | EcoOnline | Measurement & Reporting | | Basic |
| 41 | ▲426 |  | Ever Sustainable | Advisory & Strategy | | Basic |
| 42 | ▲327 |  | JRP Solutions | Advisory & Strategy | | Basic |
| 43 | ▲29 |  | Palladium | Advisory & Strategy | | Basic |
| 44 | ▲94 |  | POD Point | Energy Solutions | | Basic |
| 45 | ▲28 |  | SOUTH POLE | Advisory & Strategy | | Basic |
| 46 | ▲94 |  | Tesla | Energy Solutions | | Basic |
| 47 | ▼1 |  | Aura | Finance & Funding | | Basic |
| 48 | ▲590 |  | Deloitte | Advisory & Strategy | | Basic |
| 49 | ▲247 |  | ISEP | Membership Organisations & Alliances | | Basic |
| 50 | ▲343 |  | Innovate UK | Finance & Funding | | Basic |
| 51 | ▲346 |  | Phoenix Contact Innovation Ventures | Finance & Funding | | Basic |
| 52 | ▲255 |  | Equans | Energy Solutions | | Basic |
| 53 | ▲525 |  | Position Green | Measurement & Reporting | | Basic |
| 54 | ▲361 |  | AM Ventures | Finance & Funding | | Basic |
| 55 | ▲605 |  | Global Action Plan | Impact Organisations | | Basic |
| 56 | ▼6 |  | ScottishPower | Energy Solutions | | Basic |
| 57 | ▲9 |  | Heliatek | Energy Solutions | | Basic |
| 58 | ▲403 |  | Edenlab | Advisory & Strategy | | Basic |
| 59 | ▼5 |  | Sage Earth | Measurement & Reporting | Carbon Accounting | Basic |
| 60 | ▼42 |  | Aequilibria Srl | Advisory & Strategy | | Basic |
| 61 | ▼20 |  | Anthesis Group | Advisory & Strategy | | Basic |
| 62 | ▲130 |  | Climact | Advisory & Strategy | | Basic |
| 63 | ▲209 |  | Green & Good Consulting | Advisory & Strategy | | Basic |
| 64 | ▲302 |  | Greenly | Measurement & Reporting | | Basic |
| 65 | ▲306 |  | NET ZERO International | Advisory & Strategy | | Basic |
| 66 | ▲129 |  | Risilience | Advisory & Strategy | | Basic |
| 67 | ▲129 |  | Rock Power Connections | Energy Solutions | | Basic |
| 68 | ▲306 |  | SB+CO | Advisory & Strategy | | Basic |
| 69 | ▲565 |  | Sphera Solutions Inc | Advisory & Strategy | | Basic |
| 70 | ▼27 |  | Sweep | Measurement & Reporting | | Basic |
| 71 | ▲482 |  | Worldly | Advisory & Strategy | | Basic |
| 72 | ▲28 |  | Greenomy | Training & Culture | | Basic |
| 73 | ▲129 |  | GreenPocket | Energy Solutions | | Basic |
| 74 | ▼62 |  | Adam Smith Center | Training & Culture | | Basic |
| 75 | ▼60 |  | AdGreen | Training & Culture | | Basic |
| 76 | ▲129 |  | Carbon Accounting Alliance | Membership Organisations & Alliances | | Basic |
| 77 | ▲132 |  | EY | Advisory & Strategy | | Basic |
| 78 | ▲419 |  | OnePointFive | Training & Culture | | Basic |
| 79 | ▼46 |  | ACT | Carbon Markets & Offsetting | | Basic |
| 80 | ▼70 |  | ads-tec Energy GmbH | Energy Solutions | | Basic |
| 81 | ▲30 |  | Bywaters Ltd | Waste & Circular Economy | | Basic |
| 82 | ▲329 |  | Ramco (UK) Ltd | Waste & Circular Economy | | Basic |
| 83 | ▲567 |  | Verso | Measurement & Reporting | | Basic |
| 84 | ▼5 |  | Capgemini | Advisory & Strategy | | Basic |
| 85 | ▲235 |  | Carbon Neutral Britain | Carbon Markets & Offsetting | | Basic |
| 86 | ▼3 |  | Keep Energy Systems | Energy Solutions | | Basic |
| 87 | ▲78 |  | Climate Action for Associations | Membership Organisations & Alliances | | Basic |
| 88 | ▲336 |  | Galp Energia | Mobility | | Basic |
| 89 | ▲507 |  | Green Seal | Certifications & Standards | | Basic |
| 90 | ▼4 |  | GRESB | Certifications & Standards | | Basic |
| 91 | ▲240 |  | National Parks | Biodiversity & Nature | | Basic |
| 92 | ▼28 |  | MyCarbon | Advisory & Strategy | | Basic |
| 93 | ▲26 |  | Context Sustainability | Advisory & Strategy | | Basic |
| 94 | ▲259 |  | Soil Association Certification | Certifications & Standards | Soil Health & Land Management | Basic |
| 95 | ▲155 |  | Octopus Energy | Energy Solutions | | Basic |
| 96 | ▼44 |  | Arenko | Energy Solutions | | Basic |
| 97 | ▲87 |  | Celsius Energy | Energy Solutions | | Basic |
| 98 | ▲358 |  | NTT Anode Energy | Energy Solutions | | Basic |
| 99 | ▲157 |  | Orsted | Energy Solutions | | Basic |
| 100 | ▲357 |  | Schneider Electric | Energy Solutions | | Basic |
| 101 | ▲160 |  | Green Praxis | Biodiversity & Nature | | Basic |
| 102 | ▼97 |  | 3Ti Energy Hubs | Energy Solutions | | Basic |
| 103 | ▼86 |  | AccountAbility | Advisory & Strategy | | Basic |
| 104 | ▼49 |  | Alphabet | Mobility | | Basic |
| 105 | ▲159 |  | BSR | Advisory & Strategy | | Basic |
| 106 | ▲523 |  | Co2Ai | Measurement & Reporting | | Basic |
| 107 | ▼50 |  | Cyclescheme | Mobility | | Basic |
| 108 | ▲160 |  | EnergyCAP | Energy Solutions | | Basic |
| 109 | ▲258 |  | Greenr Technologies | Training & Culture | | Basic |
| 110 | ▲164 |  | Manifest Climate | Measurement & Reporting | | Basic |
| 111 | ▼14 |  | Normative | Measurement & Reporting | | Basic |
| 112 | ▲168 |  | Rawstone Consulting | Advisory & Strategy | | Basic |
| 113 | ▲85 |  | Spark2Beacon | Advisory & Strategy | | Basic |
| 114 | ▲263 |  | Verdantix | Advisory & Strategy | | Basic |
| 115 | ▲263 |  | WAP Sustainability | Advisory & Strategy | | Basic |
| 116 | ▲363 |  | WorkforClimate | Training & Culture | | Basic |
| 117 | ▲366 |  | Sustainable Hive | Training & Culture | | Basic |
| 118 | ▲267 |  | changethebrief.org | Training & Culture | | Basic |
| 119 | ▲26 |  | OneTrust | Advisory & Strategy | | Basic |
| 120 | ▲267 |  | Zenobe Energy | Energy Solutions | | Basic |
| 121 | ▲170 |  | WBCSD Academy | Training & Culture | | Basic |
| 122 | ▲28 |  | Arcadis | Products & Materials | | Basic |
| 123 | ▼47 |  | Cake | Mobility | | Basic |
| 124 | ▼19 |  | Catapult | Finance & Funding | | Basic |
| 125 | ▲514 |  | Emerald City Ventures | Finance & Funding | | Basic |
| 126 | ▲263 |  | ESSEC Business School | Training & Culture | | Basic |
| 127 | ▲26 |  | Generate Capital | Finance & Funding | | Basic |
| 128 | ▲26 |  | Genesis | Advisory & Strategy | | Basic |
| 129 | ▲367 |  | Graphyte | Carbon Markets & Offsetting | | Basic |
| 130 | ▲171 |  | Northstar Ventures | Finance & Funding | | Basic |
| 131 | ▲268 |  | ProjectiveGroup | Finance & Funding | | Basic |
| 132 | ▲268 |  | SJF Ventures | Finance & Funding | | Basic |
| 133 | ▼21 |  | CDP | Certifications & Standards | | Basic |
| 134 | ▲170 |  | Climeworks | Carbon Markets & Offsetting | | Basic |
| 135 | ▲174 |  | Gold Standard | Carbon Markets & Offsetting | | Basic |
| 136 | ▲272 |  | Mer | Energy Solutions | | Basic |
| 137 | ▲85 |  | Nature Metrics | Biodiversity & Nature | | Basic |
| 138 | ▲271 |  | Osapiens | Measurement & Reporting | | Basic |
| 139 | ▲21 |  | Patch | Carbon Markets & Offsetting | | Basic |
| 140 | ▼113 |  | ACA Group | Advisory & Strategy | | Basic |
| 141 | ▲177 |  | Cority | Measurement & Reporting | | Basic |
| 142 | ▲446 |  | Verse | Energy Solutions | | Basic |
| 143 | ▼132 |  | A Good Thing | Impact Organisations | | Basic |
| 144 | ▲270 |  | AlliedOffets | Carbon Markets & Offsetting | | Basic |
| 145 | ▲87 |  | Carbon Limiting Technologies Limited | Carbon Markets & Offsetting | | Basic |
| 146 | ▲21 |  | ClimateSeed | Measurement & Reporting | | Basic |
| 147 | ▲90 |  | Connect Earth | Measurement & Reporting | | Basic |
| 148 | ▲570 |  | DSS+ | Advisory & Strategy | | Basic |
| 149 | ▲21 |  | Earth Science Partnership | Advisory & Strategy | | Basic |
| 150 | ▲272 |  | East Coast Cluster | Carbon Markets & Offsetting | | Basic |
| 151 | ▲274 |  | Green Angel Syndicate | Finance & Funding | | Basic |
| 152 | ▲92 |  | Make My Money Matter | Training & Culture | | Basic |
| 153 | ▼39 |  | Marketplace For Nature | Biodiversity & Nature | | Basic |
| 154 | ▲179 |  | Neighbourly | Training & Culture | | Basic |
| 155 | ▲374 |  | PA Consulting | Advisory & Strategy | | Basic |
| 156 | ▲447 |  | Planet-Tracker | Impact Organisations | | Basic |
| 157 | ▲280 |  | Race To Zero | Membership Organisations & Alliances | | Basic |
| 158 | ▲449 |  | RenewableUK | Energy Solutions | | Basic |
| 159 | ▲180 |  | ShareAction | Impact Organisations | | Basic |
| 160 | ▲17 |  | SLR Consulting | Advisory & Strategy | | Basic |
| 161 | ▲17 |  | Sustainable Brands | Membership Organisations & Alliances | | Basic |
| 162 | ▲452 |  | Tech Zero | Membership Organisations & Alliances | | Basic |
| 163 | ▲460 |  | One Planet Capital | Finance & Funding | | Basic |
| 164 | ▲87 |  | So Energy | Energy Solutions | | Basic |
| 165 | ▼127 |  | Energie 360 | Energy Solutions | | Basic |
| 166 | ▲87 |  | Low Carbon | Energy Solutions | | Basic |
| 167 | ▲16 |  | British Solar Renewables | Energy Solutions | | Basic |
| 168 | ▲283 |  | CrowdHouse Energy | Energy Solutions | | Basic |
| 169 | ▲374 |  | Eneco | Energy Solutions | | Basic |
| 170 | ▲510 |  | Faradai | Energy Solutions | | Basic |
| 171 | ▲283 |  | GRIDSERVE | Energy Solutions | EV Charging Infrastructure | Engage |
| 172 | ▲185 |  | Highview Power | Energy Solutions | | Basic |
| 173 | ▲185 |  | Perfect Sense Energy | Energy Solutions | | Basic |
| 174 | ▼51 |  | Sonnedix | Energy Solutions | | Basic |
| 175 | ▲284 |  | STEAG Solar Energy Solutions | Energy Solutions | | Basic |
| 176 | ▼51 |  | Varco Energy | Advisory & Strategy | | Basic |
| 177 | ▼154 |  | Affirmative Sustainability | Measurement & Reporting | | Basic |
| 178 | ▼142 |  | Assent | Measurement & Reporting | | Basic |
| 179 | ▼48 |  | Deepki | Measurement & Reporting | | Basic |
| 180 | ▲184 |  | Eden Smith | Training & Culture | | Basic |
| 181 | ▲365 |  | Enistic Ltd | Measurement & Reporting | | Basic |
| 182 | ▲365 |  | EnviTrail | Measurement & Reporting | | Basic |
| 183 | ▼47 |  | Greengage Environmental | Advisory & Strategy | | Basic |
| 184 | ▼113 |  | SustainGRC | Measurement & Reporting | | Basic |
| 185 | ▲291 |  | SCS Global Services | Certifications & Standards | | Basic |
| 186 | ▲291 |  | Small99 | Training & Culture | | Basic |
| 187 | ▲96 |  | StepChange | Measurement & Reporting | | Basic |
| 188 | ▼157 |  | The Ecological Entrepreneur | Advisory & Strategy | | Basic |
| 189 | ▲187 |  | UL LLC | Advisory & Strategy | | Basic |
| 190 | ▲291 |  | Tomorrow | Training & Culture | | Basic |
| 191 | ▲190 |  | UN SDG:Learn | Training & Culture | | Engage |
| 192 | ▼49 |  | Smith School - University of Oxford | Training & Culture | | Basic |
| 193 | ▲95 |  | Carbonliteracy | Training & Culture | | Basic |
| 194 | ▲189 |  | Sustainability Unlocked | Training & Culture | | Basic |
| 195 | ▲363 |  | UrbanVolt | Energy Solutions | | Basic |
| 196 | ▼122 |  | Salesforce | Measurement & Reporting | | Basic |
| 197 | ▲189 |  | Deep Green | Energy Solutions | | Basic |
| 198 | ▲289 |  | instagrid | Energy Solutions | | Basic |
| 199 | ▼154 |  | RheEnergise | Energy Solutions | | Basic |
| 200 | ▼96 |  | Carbon Tracker | Advisory & Strategy | | Basic |
| 201 | ▲5 |  | CBN Expert | Measurement & Reporting | | Basic |
| 202 | ▲5 |  | CHOOOSE | Advisory & Strategy | | Basic |
| 203 | ▲95 |  | LanzaTech | Carbon Markets & Offsetting | | Basic |
| 204 | ▲362 |  | The Pollinators | Training & Culture | | Basic |
| 205 | ▲191 |  | Palatine Private Equity | Finance & Funding | | Basic |
| 206 | ▲97 |  | SET Ventures | Finance & Funding | | Basic |
| 207 | ▲293 |  | Sizzle | Advisory & Strategy | | Basic |
| 208 | ▲294 |  | The University of Western Australia | Training & Culture | | Basic |
| 209 | ▲360 |  | Tuskercars | Mobility | | Basic |
| 210 | ▼54 |  | Utility Warehouse | Energy Solutions | | Basic |
| 211 | ▲436 |  | European Recycling Platform | Waste & Circular Economy | | Basic |
| 212 | ▲193 |  | Forest Carbon | Biodiversity & Nature | | Basic |
| 213 | ▲435 |  | INJET New Energy | Energy Solutions | | Basic |
| 214 | ▼155 |  | Aldersgate Group | Membership Organisations & Alliances | | Basic |
| 215 | ▼155 |  | B Corporation | Certifications & Standards | | Basic |
| 216 | ▲200 |  | BREEAM - BRE | Certifications & Standards | | Basic |
| 217 | ▼169 |  | Brook Green Supply | Energy Solutions | | Basic |
| 218 | ▲104 |  | Climate Action 100+ | Membership Organisations & Alliances | | Basic |
| 219 | ▲472 |  | UN Decade | Biodiversity & Nature | | Basic |
| 220 | ▲472 |  | Ecologi | Measurement & Reporting | | Basic |
| 221 | ▲103 |  | EIT Food | Membership Organisations & Alliances | | Basic |
| 222 | ▲433 |  | Elite Energy Teesside | Energy Solutions | | Basic |
| 223 | ▲103 |  | Final Third | Training & Culture | | Basic |
| 224 | ▲294 |  | Finance Earth | Finance & Funding | | Basic |
| 225 | ▲17 |  | ForestNation | Biodiversity & Nature | | Basic |
| 226 | ▲202 |  | GRI | Certifications & Standards | | Basic |
| 227 | ▲202 |  | ICROA | Carbon Markets & Offsetting | | Basic |
| 228 | ▼55 |  | Impact Management Platform | Membership Organisations & Alliances | | Basic |
| 229 | ▲296 |  | ISCC - International Sustainability and Carbon Certification | Certifications & Standards | | Basic |
| 230 | ▲202 |  | Marine Stewardship Council | Impact Organisations | | Basic |
| 231 | ▲99 |  | Meaningful Business Limited | Membership Organisations & Alliances | | Basic |
| 232 | ▲100 |  | Nature Tech Collective | Membership Organisations & Alliances | | Basic |
| 233 | ▲371 |  | Planet Mark | Certifications & Standards | | Basic |
| 234 | ▲297 |  | Planetprice | Measurement & Reporting | | Basic |
| 235 | ▲430 |  | Remitzero | Energy Solutions | | Basic |
| 236 | ▼148 |  | Solar Power Portal | Energy Solutions | | Basic |
| 237 | ▲103 |  | Storm4 | Training & Culture | | Basic |
| 238 | ▲202 |  | Sustainable Network | Membership Organisations & Alliances | | Basic |
| 239 | ▲102 |  | Sustainable Tech 4 Good | Waste & Circular Economy | | Basic |
| 240 | ▼61 |  | The Woodland Trust | Impact Organisations | | Basic |
| 241 | ▲431 |  | Treeconomy | Biodiversity & Nature | | Basic |
| 242 | ▲105 |  | World Land Trust | Biodiversity & Nature | | Basic |
| 243 | ▲105 |  | Zero Carbon Forum | Membership Organisations & Alliances | | Basic |
| 244 | ▲105 |  | Re:wild | Impact Organisations | | Authority |
| 245 | ▲3 |  | Vital Energi | Energy Solutions | | Basic |
| 246 | ▼195 |  | ENGIE UK | Energy Solutions | | Basic |
| 247 | ▼240 |  | 100Green | Energy Solutions | | Basic |
| 248 | ▼183 |  | Brockwell Energy Limited | Energy Solutions | | Basic |
| 249 | ▼128 |  | Entrnce | Energy Solutions | | Basic |
| 250 | ▼197 |  | Envantage | Energy Solutions | Energy Efficiency Solutions | Engage |