| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ABIGAIL (UK) LIMITED | 06990900 | 22/09/2010 | Dissolved |
| ARC CORES LIMITED | 03923311 | 27/09/2010 | Dissolved |
| ARC INTERNATIONAL (UK) LIMITED | 03923336 | 24/09/2010 | Dissolved |
| ARC INTERNATIONAL CAMBRIDGE LIMITED | 03901841 | 27/09/2010 | Dissolved |
| Analogy Uk | 02372734 | 20/03/2003 | Dissolved |
| Analogy Uk | 02372734 | 20/03/2003 | Dissolved |
| Avant Corporation Ltd | 02957748 | 20/03/2003 | Dissolved |
| Avant Corporation Ltd | 02957748 | 20/03/2003 | Dissolved |
| COWARE EUROPE LTD | 04104149 | 10/05/2010 | Dissolved |
| Co-Design Automation Ltd | 03416247 | 20/03/2003 | Dissolved |
| Insilicon Ltd | 03905079 | 20/03/2003 | Dissolved |
| Insilicon Ltd | 03905079 | 09/04/2003 | Dissolved |
| MAGMA DESIGN AUTOMATION LTD. | 03771856 | 14/03/2012 | Dissolved |
| Nassda International Uk Ltd | 04320491 | 11/05/2005 | Dissolved |
| Nassda International Uk Ltd | 04320491 | 11/05/2005 | Dissolved |
| RSOFT DESIGN UK LIMITED | 04736718 | 30/05/2012 | Dissolved |
| RYAN HOTELS (UK) LIMITED | FC022044 | 01/04/2019 | Silver |
| SPRINGSOFT DESIGN AUTOMATION LIMITED | 04092901 | 05/12/2012 | Dissolved |
| Synplicity Europe Ltd | 03601855 | 28/08/2008 | Dissolved |
| Technology Modeling Associates Ltd | 02857183 | 20/03/2003 | Dissolved |
| Technology Modeling Associates Ltd | 02857183 | 20/03/2003 | Dissolved |
| VIRAGE LOGIC INTERNATIONAL | FC022998 | 01/01/2011 | Dissolved |
| Viewlogic Systems | 02504208 | 15/12/2004 | Dissolved |
| Virtio Corporation Ltd | SC215080 | 17/05/2006 | Dissolved |
| Xynetix Design Systems Ltd | 02850645 | 20/03/2003 | Dissolved |
| Xynetix Design Systems Ltd | 02850645 | 20/03/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARC INTERNATIONAL LIMITED | 03592130 | 23/09/2010 | 17/02/2012 | Dissolved |
| ARC INTERNATIONAL OVERSEAS HOLDINGS LTD | 03923324 | 24/09/2010 | 17/02/2012 | Dissolved |
| CIGITAL LTD | 07386696 | 03/03/2017 | 30/06/2017 | Dissolved |
| SSI (BRITAIN) LIMITED. | 03312600 | 31/01/1998 | 15/10/1999 | Not Trading |
| SYNOPSYS (NORTHERN EUROPE) LIMITED | 02642054 | 15/03/2001 | 30/06/2017 | Silver |