- VERNA HAZEL AMPER- 6 DORNEY, ADELAIDE ROAD, LONDON, UNITED KINGDOM, NW3 3PP 
- AMPER LIMITEDDisolved- 14672341 - Dissolved on 30 July 2024 
- Iris Hazel, Ms. BUTLER- Born August 1948 - 72 Winsu Avenue, Paignton, Devon, England, TQ3 1QE 
- LAWRENCE AMPER- 14 WEST DELPH, WHITTLESEY, PETERBOROUGH, CAMBRIDGESHIRE, PE7 1RG 
- WOLFGANG AMPER- Born January 1953 - MUEHLSTR. 30 1/2, GEISENFELD, GERMANY, 85290 
- VERNA LIMITEDLiquidation- 06881491 - Incorporated on 20 April 2009 
- VERNA LIMITEDDisolved- 13351209 - Dissolved on 26 September 2023 
- VERNA1DH LTD- 14986218 - Incorporated on 6 July 2023 
- AMPER TRADING LP- SL031681 - Incorporated on 11 June 2017 
- VERNA LIMITEDLiquidation- 15257498 - Incorporated on 3 November 2023 
- HAZELL & HAZELL LIMITEDDissolved- 09792433 - Dissolved on 11 September 2018 
- AMPER ELECTRICAL LTDDisolved- 13806768 - Dissolved on 10 September 2024 
- VERNAX LTDActive - Proposal to Strike off- 12026362 - Incorporated on 31 May 2019 
- VERNAZZA LTDLiquidation- 10535739 - Incorporated on 21 December 2016 
- COSTCO'S WHOLESALE LIMITEDDisolved- 12521559 - Dissolved on 20 September 2022 
- VERNANO LTDDisolved- 14348442 - Dissolved on 13 February 2024 
- VERNASS LTDDisolved- 13574534 - Dissolved on 21 February 2023 
- VERNALN LTDDisolved- 14637043 - Dissolved on 2 July 2024 
- AMPER CLEARFLOW LIMITEDActive - Proposal to Strike off- 01555718 - Incorporated on 10 April 1981 
- AMPER WORLD LIMITED- 16292791 - Incorporated on 5 March 2025