| Company name | Company reg number | SME/VCS | VCS reg number | Postcode |
|---|---|---|---|---|
| 31ten Consulting | 09389147 | SME | SE1 4PL | |
| 360 Assurance | SME | S66 1YY | ||
| 4C Strategies Ltd | 3599593 | SME | LE16 7WB | |
| 4OC Ltd | 06434271 | SME | SE1 4GT | |
| add specialists | 7424081 | SME | HG2 9BB | |
| AECOM | 1846493 | E1 8FA | ||
| Akeso & Company | 08382731 | SME | EC4A 1LL | |
| Alma Economics Ltd | 09391354 | SME | SE1 3PL | |
| Alpine Resourcing | 4934592 | SME | EC4Y 0AY | |
| Amberside Advisors Ltd | 06078852 | SME | HP2 5HA | |
| AMION Consulting Limited | 3909897 | SME | L3 9DG | |
| Arcadis LLP | OC368843 | EC3M 4BY | ||
| ARCC HR Ltd | 9859800 | SME | CH7 3PG | |
| Arch Communications (UK) Ltd | 7489935 | SME | LE12 6PF | |
| Ark Consultancy | 10179621 | SME | B18 6DS | |
| ASG Ireland | NI026707 | SME | BT4 2GU | |
| Asteros Advisers Ltd | 11914766 | SME | N1 7SL | |
| AtkinsRéalis Limited | 688424 | KT18 5BW | ||
| Augmentas Group | 05243590 | SME | SW1Y 4JU | |
| Barker Associates (Essex) Limited | 11605920 | SME | CM77 7AA | |
| Barkers Commercial Services Limited | 11285205 | SME | NP15 1HY | |
| BDO LLP | 5177887 | W1U 7EU | ||
| Beever and Struthers | SME & VCS | N/A | M4 5DL | |
| Best Practice Group PLC | 03903926 | SME | WN5 7XX | |
| BNP Paribas Real Estate Advisory & Property Management UK Limited | 4176965 | N/A | NW1 6AA | |
| BWB Consulting Limited | 5265863 | NG2 3DQ | ||
| Bytes Software Services | 1616977 | SME | KT22 7TW | |
| Caja Ltd | 9382834 | SME | ST5 5NT | |
| Cambridge Econometrics | 01916825 | SME | CB1 2HT | |
| Campbell Tickell Ltd | 4713939 | SME | EC1R 4TD | |
| Capita Business Services Ltd | 500191747 | EC2V 7NQ | ||
| Capita Resourcing | 2652033 | EC2V 7NQ | ||
| Carter Jonas LLP | OC304417 | W1G 0BG | ||
| CGT Consulting Limited | 8531482 | SME | W1T 6AD | |
| CIPFA C.Co | 10212053 | SME | WA16 8QZ | |
| City Science Corporation Limited | 09801932 | SME | EX1 1TS | |
| CLS Energy (Consultancy) ltd | 08920046 | SME | OX5 2LL | |
| Commercially Public | SME | GL52 6HS | ||
| Concerto Partners LLP | 0373355OC | SME | SE1 4PG | |
| Cordis Bright | 3620136 | SME | EC1A 9LF | |
| Costain (Highways) | 610201 | SL6 4UB | ||
| Cushman & Wakefield Debenham Tie Leung Ltd | 02757768 | LS1 2ND | ||
| CW Audit Services | SME | CV6 6NY | ||
| Dada Enterprises | 6891004 | SME | CM9 4ER | |
| Dionach | 03908168 | SME | OX4 2PG | |
| DSI Technology Services | 2857022 | SME | DA1 4BF | |
| echelon Consultancy Ltd | 5345282 | SME | AL1 4TB | |
| Edge Public Solutions | 07236289 | SME | SK10 5JZ | |
| Edwards and Edwards Consultancy Ltd | 4389517 | SME | LE67 4DF | |
| Enodatio Consulting Ltd | 8535718 | SME | WF4 5LE | |
| Ernst & Young LLP | 05458987 | SE1 2AF | ||
| Ethical Commercial Services Ltd | 11185328 | SME | HP5 2EL | |
| Ethos Consultants | 08548367 | SME | TQ6 9QR | |
| Eunomia Research and Consulting Ltd | 4150627 | SME | BS1 4QS | |
| Evolving Solutions | 11441000 | SME | SE1 9RY | |
| FarrPoint Limited | 0296299SC | SME | EH3 8BL | |
| FM Management Solutions Ltd | 7778405 | SME | N/A | YO23 3SQ |
| FOCUS CONSULTANTS | OC357628 | SME | NG8 6AS | |
| FPCR Environment and Design Ltd. | 7128076 | SME | DE74 2RH | |
| Frith Resource Management | 6681292 | SME | WV16 4DX | |
| Future Arc Services Limited | 10903845 | SME | SW1A 2EL | |
| Gardiner & Theobald | OC0307124 | WC1E 7BD | ||
| Gate One Ltd | 8585157 | SME | NW1 5QT | |
| Gleeds Management Services Limited | 01753465 | W1W 6XF | ||
| Grant Thornton UK LLP | OC307742 | EC2A 1AG | ||
| Green Park Interim and Executive Ltd. | 5672094 | SME | SW1P 1BX | |
| Gutteridge Haskins & Davey Ltd | 5528602 | CH2 4NU | ||
| Haines Watts | 3171274 | B79 7QF | ||
| Haley Sharpe Design Limited | 1837474 | SME | LE1 5FQ | |
| HaskoningDHV UK Ltd | 1336844 | PE2 6FZ | ||
| Hazelton Advisory Ltd | 8736150 | SME | EX1 2DU | |
| HealthTrust Europe | 0C358224 | SME | B15 1NU | |
| Human Engine | 11212476 | SME | HP19 7GS | |
| IBI Group UK Ltd | 3154411 | M4 2AL | ||
| Iceni Projects | 5359427 | SME | EC1N 8FH | |
| Ignite Consulting Ltd | 4620240 | SME | WC1N 3AX | |
| iMPOWER Consulting Ltd | 3876501 | SME | EC1R 5HA | |
| Inner Circle Consulting | 6799707 | SME | SE1 3UY | |
| Interim Partners | 4599477 | SME | HG1 1TS | |
| Investigo Limited | 4803377 | SME | E1 6EG | |
| Jacobs U.K. Limited | 2594504 | SE1 2QG | ||
| JNP Group Consulting Engineers Ltd, trading as JNP Group | 10234789 | SME | HP5 1HR | |
| JUST HOUSING (UK) LTD | 5096224 | SME | e15 1eb | |
| KPMG LLP | 0301540OC | E14 5GL | ||
| Lambert Smith Hampton | 2521225 | W1T 3PT | ||
| Land Use Consultants | 2549296 | SME | SE1 8RD | |
| Lanpro Services Ltd | 6593948 | SME | NR2 1EQ | |
| Local Transport Projects Ltd | 5295328 | SME | HU17 0NT | |
| Lucion Consulting Limited | 06273799 | SME | NE119JT | |
| Managementors Ltd | 3171068 | SME | RG7 5 AH | |
| MATT HAMNETT & ASSOCIATES LTD | 11197120 | SME | EC1R 0BD | |
| MAX Associates | 4112546 | SME | TW7 7AA | |
| MCP2 Ltd | 09907738 | SME | N/A | W6 7JP |
| Merritt-Harrison Catering Consultancy | SME | GU1 1WS | ||
| Methods Business and Digital Technology Limited | 02485577 | SME | EC1A 4EN | |
| Metis Consultants Ltd | 7074879 | SME | TW9 1AE | |
| Moore Stephens Insight Limited | 07909149 | SME | S1 2EX | |
| Moorhouse | 5053551 | EC2M 1QS | ||
| Mott MacDonald Ltd | 1243967 | CR0 2EE | ||
| Mutual Ventures Limited | 7490364 | SME | SE1 8HP | |
| New Networks Limited | 6690894 | SME | WA16 9DZ | |
| NHS Professionals | 6704614 | HP2 4TZ | ||
| Opinion Research Services Ltd | 2904006 | SME | SA1 1AF | |
| ORH | 2676859 | SME | RG1 4AR | |
| P2G CONTRACT SUPPORT LLP | OC419519 | SME | RH5 6HD | |
| Pegasus Planning Group Ltd. | 7277000 | B75 5SH | ||
| Pell Frischmann Consultants Ltd | 1777946 | WC2R 0DW | ||
| Peopletoo Limited | 6969524 | SME | NG12 4DG | |
| Perigean Ltd | 10933243 | SME | YO60 6QR | |
| Phil Jones Associates Limited | 4685684 | SME | B31 2UQ | |
| Pick Everard | N/A | LE1 1HA | ||
| PPL | 6405704 | SME | SE1 2BE | |
| PRD | 08483175 | SME | SE1 0ES | |
| Project Centre | 2625312 | SME | EC3N 2LB | |
| PSTAX | 4810070 | SME | DA18 4AL | |
| PTS Consulting | N/A | EC2M 1JJ | ||
| pwc | OC303525 | SE1 2RT | ||
| Rapleys LLP | 0308311OC | SME | SW1A 1NE | |
| RealWorldHR | 6599715 | SME | BB4 7AW | |
| Redmoor Health Solutions | 11523978 | SME | PR7 1PS | |
| RedQuadrant | 6944005 | SME | WC2A 2JR | |
| Reed Specialist Recruitment Ltd | 6903140 | WC2A 1DT | ||
| Resource Futures | 5753433 | SME | BS1 6XN | |
| Resources and Carbon Management Services Ltd | 12188342 | SME | HG5 0ND | |
| Ricardo AEA Ltd | 8229264 | OX11 0QR | ||
| Ridge and Partners LLP | OC309402 | OX20 1QR | ||
| Risk & Policy Analysts Ltd | 2484467 | SME | NR3 1AB | |
| Roc Search | 6044636 | SME | RG1 3AR | |
| RPS | 02947164 | OX14 4SH | ||
| RPT Consulting | 7304502 | SME | PO9 6EP | |
| RSK Environment Limited | SC115530 | CV1 2TX | ||
| Saanchi Solutions Limited | 9730316 | SME | B11 2AA | |
| SCP Ltd | 3728935 | SME | M2 3BA | |
| Servita Professional Services (UK) Ltd | 10537553 | SME | W1W 5PL | |
| Seymour John | 08114826 | SME | GL20 8BT | |
| SLR Consulting Limited | 3880506 | EC2N 2AX | ||
| Spinwell Global Ltd | 07527825 | SME | NN4 7YB | |
| SQW Ltd | 1701564 | SME | OX1 1BY | |
| Stantec UK Ltd | OC334398 | HP11 1JU | ||
| Steer Davies Gleave | 1883830 | SE1 0RB | ||
| Sustrans | 1797726 | BS1 5DD | ||
| Sweco UK Limited | 02888385 | LS7 4DN | ||
| SYSTRA Ltd. | 3383212 | EC2V 8AE | ||
| Temple Group Limited | 3305849 | SME | SE1 2NQ | |
| Tetra Tech Limited | 01959704 | LS1 4ER | ||
| The Environment Partnership (TEP) Limited | 07745159 | SME | WA3 6GA | |
| The Sport, Leisure and Culture Consultancy | 6945670 | SME | RH16 1UA | |
| Touchstone Renard Ltd | 02208452 | SME | EC1V 2NX | |
| TPXimpact Limited | 6472420 | SE1 9RG | ||
| Trueman Change | 09140926 | SME | BB1 2FD | |
| Turner & Townsend | 6468643 | NG1 6BT | ||
| Urban Foresight | 07705420 | SME | NE4 5TG | |
| V4 Services Limited | 6574923 | SME | NE8 2ET | |
| Veracity OSI UK Limited | 08395304 | SME | SW1Y 6RJ | |
| Visagio Ltd | 07149968 | SME | RG1 1PZ | |
| Walker Resource Management | 6656979 | SME | LS21 3AY | |
| Waterman Infrastructure & Environment Ltd | 3269195 | N/A | B3 2DX | |
| Westco Trading LTD | 6462674 | SME | SW1E 6QP | |
| Wilde Consultants Ltd | 2603960 | SME | SK1 3HS | |
| Wood Group UK Ltd | SC296737 | NE3 3AF | ||
| WSP UK Limited | 01383511 | WC2A 1AF |