- THIRD ANGLE ENGINEERING LIMITED- First Floor 5 Fleet Place, London, England, EC4M 7RD 
- INTEGRAL ENGINEERING DESIGN LIMITED- 3 TOLLBRIDGE STUDIOS, TOLL BRIDGE ROAD, BATH, UNITED KINGDOM, BA1 7DE 
- BRICE BAKER ENGINEERING LIMITED- WESTERLEIGH WORKS WESTERLEIGH ROAD, YATE, BRISTOL, BS37 8QA 
- DOLPHIN ENGINEERING & CONTRACTING LIMITED- GENEVA PLACE WATERFRONT DRIVE, PO BOX 3469, ROAD TOWN, TORTOLA, BRITISH VIRGIN ISLAN 
- HARTMAN ENGINEERING (HOLDINGS) LIMITED- 16- 19 COPPERFIELDS, SPITAL STREET, DARTFORD, DA1 2DE 
- DUNHAM ENGINEERING SERVICES LIMITED- 98 CHURCH STREET, HUNSLET, LEEDS, LS10 2AZ 
- VINCENT ZIMMERMANN LIMITED- 10959966 - Incorporated on 13 September 2017 
- SL022959 LP- SL022959 - Incorporated on 15 October 2015 
- ATACSIA A FI / ATAXIA AND ME- CE017944 - Incorporated on 21 June 2019 
- ATAV LTD- 08147839 - Incorporated on 18 July 2012 
- ATAL CYF- 08171114 - Incorporated on 7 August 2012 
- ATAI LTDActive - Proposal to Strike off- 09256108 - Incorporated on 9 October 2014 
- ATA&CO LTD- 09381336 - Incorporated on 9 January 2015 
- ATAN 80 LTDDisolved- 10041098 - Dissolved on 9 April 2024 
- ATAT LTD- 12191361 - Incorporated on 5 September 2019 
- ATAN LTDLiquidation- 10707781 - Incorporated on 4 April 2017 
- ATAE LTDDisolved- 11684985 - Dissolved on 27 February 2024 
- ATAY2022 LTD- 14231126 - Incorporated on 13 July 2022 
- EXPRESS ENGINEERING (THOMPSON) LIMITED- KINGSWAY NORTH, TEAM VALLEY TRADING ESTATE, GATESHEAD, TYNE AND WEAR, NE11 0EG 
- COLORADO CONSTRUCTION & ENGINEERING LIMITED- COLORADO HOUSE BUILDING 1004, WOOD ROAD ROSYTH, DUNFERMLINE, FIFE, UNITED KINGDOM, KY11 2EA