| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 2 Geese Ltd | 04247780 | 06/07/2001 | Dissolved |
| Aladin Consultancy Ltd | 03788686 | 14/06/1999 | Dissolved |
| Alpine Consultancy Ltd | 03779005 | 27/05/1999 | Dissolved |
| Ambient Data Ltd | 04145624 | 06/12/2001 | Dissolved |
| Austech Ltd | 03764277 | 04/05/1999 | Dissolved |
| Berkeley Consultancy Ltd | 04193541 | 03/04/2001 | Dissolved |
| Boden Consultancy Ltd | 04106906 | 13/11/2000 | Dissolved |
| Burnt Hall Ltd | 04125265 | 11/12/2000 | Dissolved |
| CHURCHILL KNIGHT FINANCIAL SERVICES LLP | OC324033 | 17/11/2006 | Dissolved |
| CKA SECRETARY LIMITED | 04185517 | 05/04/2007 | Dissolved |
| Churchill Knight Financial Services Ltd | 06021357 | 06/12/2006 | Dissolved |
| Djtco Ltd | 03934236 | 25/02/2000 | Dissolved |
| Easy Data Systems Ltd | 03850124 | 29/09/1999 | Dissolved |
| Echo Consultancy Ltd | 04305904 | 17/10/2001 | Dissolved |
| Five Consultancy Ltd | 04385120 | 01/03/2002 | Dissolved |
| Graham & Graham Ltd | 04391571 | 11/03/2002 | Dissolved |
| Hanover Consultancy Ltd | 04305821 | 17/10/2001 | Dissolved |
| Ichiban Computer Systems Ltd | 04336903 | 10/12/2001 | Dissolved |
| Kendo Consultancy Ltd | 04288204 | 17/09/2001 | Dissolved |
| Knightsbridge Consultancy Ltd | 03900948 | 30/12/1999 | Dissolved |
| Master Bet Ltd | 04286574 | 13/09/2001 | Dissolved |
| PAYROLL PADLOCK LIMITED | 11690261 | 21/11/2018 | Dissolved |
| Portman Consulting Ltd | 03899877 | 24/12/1999 | Dissolved |
| Primavera Consultancy Ltd | 03812977 | 23/07/1999 | Dissolved |
| Quattro Consultancy Ltd | 03828907 | 20/08/1999 | Dissolved |
| Rainbow Consultancy Ltd | 03899464 | 24/12/1999 | Dissolved |
| Realm 9 It Ltd | 04194159 | 04/04/2001 | Dissolved |
| Regency Consultancy Ltd | 04015196 | 15/06/2000 | Dissolved |
| Rio Consultancy Ltd | 04052706 | 15/08/2000 | Dissolved |
| Rosso Consultancy Ltd | 03849884 | 29/09/1999 | Dissolved |
| Rugby Consultancy Ltd | 04124587 | 13/12/2000 | Dissolved |
| Saffron Consultancy Ltd | 04103741 | 08/11/2000 | Dissolved |
| Sage Consultancy Ltd | 04124596 | 13/12/2000 | Dissolved |
| Sanctuary Consultancy Ltd | 03870290 | 02/11/1999 | Dissolved |
| Software Data Systems Ltd | 03850128 | 29/09/1999 | Dissolved |
| Solitaire Consultancy Ltd | 04231810 | 11/06/2001 | Dissolved |
| Solutioneer Ltd | 04428019 | 30/04/2002 | Dissolved |
| Stormont Consultancy Ltd | 04193426 | 03/04/2001 | Dissolved |
| Strand Consultancy Ltd | 04015211 | 15/06/2000 | Dissolved |
| Systems Design (Uk) Ltd | 03763181 | 30/04/1999 | Dissolved |
| Tiago Consulting Ltd | 04305822 | 17/10/2001 | Dissolved |
| Tuscan Consultancy Ltd | 04385317 | 01/03/2002 | Dissolved |
| UMBRELLCO UK CIS LTD | 12175848 | 27/08/2019 | Dissolved |
| UMBRELLCO UK DRIVERS LTD | 12176435 | 27/08/2019 | Dissolved |
| UMBRELLCO UK JE LTD | 12175198 | 27/08/2019 | Dissolved |
| Uno Consultancy Ltd | 03754623 | 20/04/1999 | Dissolved |
| V-Tech Consultancy Ltd | 04106207 | 10/11/2000 | Dissolved |
| Vista Consultancy Ltd | 04185671 | 22/03/2001 | Dissolved |
| Vulpecula Ltd | 04125467 | 14/12/2000 | Dissolved |
| Wellington Consultancy Ltd | 04185752 | 23/03/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 1ST FREELANCER ACCOUNTING SERVICES LIMITED | 08514231 | 02/05/2013 | 01/06/2014 | Strike Off |
| ACTIVATE CONSULTING LIMITED | 04385325 | 01/03/2002 | 06/11/2002 | Dissolved |
| AEGIS SOFTWARE LIMITED | 03843200 | 16/09/1999 | 03/11/2006 | Silver |
| ASTERIX CONSULTANCY LIMITED | 04305898 | 17/10/2001 | 03/11/2006 | Dissolved |
| AZZURRO CONSULTANCY LIMITED | 03813378 | 26/07/1999 | 03/11/2006 | Dissolved |
| Allegro Consultancy Ltd | 04428016 | 30/04/2002 | 03/11/2006 | Dissolved |
| Asi Technologies Ltd | 04322151 | 14/11/2001 | 24/12/2001 | Dissolved |
| BLUEBIRD ACCOUNTANCY LIMITED | 11031785 | 25/10/2017 | 15/04/2019 | Silver |
| BLUEBIRD UMBRELLA LTD | 11889586 | 18/03/2019 | 15/04/2019 | Dissolved |
| BUNDY CONSULTING SERVICES LIMITED | 06320868 | 26/07/2007 | 15/08/2007 | Silver |
| Beaver Consulting Ltd | 04158171 | 12/02/2001 | 03/11/2006 | Dissolved |
| CHURCHILL KNIGHT AND ASSOCIATES LIMITED | 03601372 | 21/07/1998 | 05/04/2007 | One Red Flag |
| CHURCHILL KNIGHT UMBRELLA LIMITED | 10624123 | 16/02/2017 | 15/04/2019 | Two Red Flags |
| CKA SECRETARY LIMITED | 04185517 | 22/03/2001 | 05/04/2007 | Dissolved |
| Cactus Consultancy Ltd | 04428190 | 30/04/2002 | 03/11/2006 | Dissolved |
| Cka Director Ltd | 04185789 | 23/03/2001 | 05/04/2007 | Dissolved |
| Click Potential Ltd | 04125458 | 14/12/2000 | 03/11/2006 | Dissolved |
| Connaught Consultancy Ltd | 03898744 | 22/12/1999 | 03/11/2006 | Dissolved |
| Data Shades Ltd | 03883149 | 25/11/1999 | 03/11/2006 | Dissolved |
| EXCALIBUR RESEARCH LIMITED | 03854367 | 06/10/1999 | 15/07/2005 | Dissolved |
| Geo Consultancy Ltd | 04288209 | 17/09/2001 | 05/04/2007 | Dissolved |
| Ginger Consultancy Ltd | 04288507 | 17/09/2001 | 05/04/2007 | Dissolved |
| Griffith Consultancy Ltd | 04385321 | 01/03/2002 | 01/02/2007 | Dissolved |
| HAVANA CONSULTANCY LIMITED | 04231804 | 11/06/2001 | 03/11/2006 | Dissolved |
| Infotech Logistics Ltd | 06276602 | 25/06/2007 | 25/06/2007 | Dissolved |
| Ivy Consultancy Ltd | 04052705 | 15/08/2000 | 03/11/2006 | Dissolved |
| N-Tech Consultancy Ltd | 04103948 | 08/11/2000 | 03/11/2006 | Dissolved |
| ORIENTAL CONSULTANCY LIMITED | 04428021 | 30/04/2002 | 03/11/2006 | Gold |
| Oaklands Consultancy Ltd | 04158140 | 12/02/2001 | 03/11/2006 | Dissolved |
| Oxford Consultancy Ltd | 04023202 | 28/06/2000 | 03/11/2006 | Dissolved |
| Polo Consultancy Ltd | 03829786 | 23/08/1999 | 03/11/2006 | Dissolved |
| Rouge Consultancy Ltd | 04106884 | 13/11/2000 | 03/11/2006 | Dissolved |
| SANDPIPER CONSULTANCY LIMITED | 03745711 | 01/04/1999 | 03/11/2006 | Dissolved |
| SPENCER ARTHUR LIMITED | 04526639 | 04/09/2002 | 03/11/2006 | Dissolved |
| SUNFLOWER CONSULTANCY LIMITED | 03860165 | 15/10/1999 | 03/11/2006 | Dissolved |
| Salute Consultancy Ltd | 03870165 | 02/11/1999 | 03/11/2006 | Dissolved |
| Sitrus Computing Ltd | 03771406 | 17/05/1999 | 03/11/2006 | Dissolved |
| Sky Consultancy Ltd | 04231797 | 11/06/2001 | 26/07/2001 | Dissolved |
| Triangle Consulting Ltd | 04052704 | 15/08/2000 | 03/11/2006 | Dissolved |
| UMBRELLCO UK LTD | 12168728 | 21/08/2019 | 14/12/2023 | Bronze |
| UNIVERSAL DATA SYSTEMS LIMITED | 03828407 | 19/08/1999 | 03/11/2006 | Silver |
| World Data Systems Ltd | 03828902 | 20/08/1999 | 03/11/2006 | Dissolved |
| XS CONSULTING LIMITED | 03760498 | 28/04/1999 | 03/11/2006 | Dissolved |