- CLAMP INVESTMENT CO LTD- 08358912 - Incorporated on 14 January 2013 
- GOOD-C-DOOR CLAMP LIMITED- 10528975 - Incorporated on 16 December 2016 
- CLAMPS CONSTRUCTION LTD- 16014141 - Incorporated on 12 October 2024 
- DINEX CLAMPS LIMITEDDisolved- 05576872 - Dissolved on 15 August 2023 
- ALUMINIUM CLAMPS LTDActive - Proposal to Strike off- 07410898 - Incorporated on 18 October 2010 
- CONTAINER CLAMPS LTD- 11206968 - Incorporated on 15 February 2018 
- THIRTY3 DIGITAL LTD- 13375989 - Incorporated on 4 May 2021 
- MR & MR LTD- 16489396 - Incorporated on 2 June 2025 
- STEEL CITY ESTATES LIMITED- 07402341 - Incorporated on 11 October 2010 
- CLAMPDOWN DIRECT LTDDissolved- 06798569 - Dissolved on 24 September 2013 
- PPC CLAMPING LIMITEDDissolved- 07143714 - Dissolved on 1 May 2012 
- Adam James CLAMP- Born June 1973 - 34 Athelstan Road, Hastings, East Sussex, United Kingdom, TN35 5JB 
- Garry Sean CLAMP- Born November 1964 - Brookleigh Milley Road, Waltham St. Lawrence, Reading, England, RG10 0JR 
- LEE ANDREW CLAMP- Born January 1971 - 91 DOBBS LANE KESGRAVE, IPSWICH, SUFFOLK, UNITED KINGDOM, IP5 2QH 
- MANDY JANE CLAMP- Born December 1969 - 30 HASELBURY CORNER, HERITAGE PARK, ARBURY, NUNEATON, WARWICKSHIRE, CV10 7GE 
- Nigel John CLAMP- Born July 1967 - 35 Westmeston Avenue, Saltdean, Brighton, England, BN2 8AL 
- OLIVER CLAMPIN- 5 OWEN WARD CLOSE, COLCHESTER, UNITED KINGDOM, CO2 9DG 
- NIGEL JOHN CLAMP- 45 CHAILEY AVENUE, ROTTINGDEAN, BRIGHTON, ENGLAND, BN2 7GH 
- DANNY CLAMPITT- Born July 1962 - 39 OAKS ROAD, FOLKESTONE, KENT, ENGLAND, CT20 3JY 
- ROBERT IAN CLAMP- Born April 1935 - FLAT 1, 44 ELVASTON PLACE, LONDON, SW1