- ALVESTOWE LTD- 00611884 - Incorporated on 26 September 1958 
- CALUM HILL LTDActive - Proposal to Strike off- 11686842 - Incorporated on 20 November 2018 
- CALUM FREW LTDDisolved- SC724849 - Dissolved on 1 August 2023 
- CALUM LYON LTD- 07207679 - Incorporated on 30 March 2010 
- HIGHWAYS TRAFFIC LTDActive - Proposal to Strike off- 11088317 - Incorporated on 29 November 2017 
- CALUM PATRICK BUDGE- 2 SOMERDALE VIEW, BATH, UNITED KINGDOM, BA2 2QQ 
- ROBBERT HOFMAN- Born September 1966 - 27 OLD GLOUCESTER STREET, LONDON, UNITED KINGDOM, WC1N 3AX 
- ROBBERT ALSEM- Born April 1972 - PARADISE WAY, COVENTRY, CV2 2ST 
- ROBBERT OUDENDIJK- Born January 1974 - TOBIAS ASSERSTRAAT 1, 2806 HH GOUDA, NETHERLANDS 
- ROBBERT SCHAAP- Born June 1981 - 500 BOURNE BUSINESS PARK 5 DASHWOOD LANG ROAD, ADDLESTONE, SURREY, UNITED KINGDOM, KT15 2HJ 
- JAKO ROBBERTSE LIMITEDDissolved- 07047761 - Dissolved on 5 June 2012 
- SMALLMAN CONSULTING LTD- 16035378 - Incorporated on 22 October 2024 
- CALUMNIA LTD.Active - Proposal to Strike off- 08239740 - Incorporated on 4 October 2012 
- CALUM KERR LTDActive - Proposal to Strike off- SC549441 - Incorporated on 4 November 2016 
- D & M SMALLMAN LIMITEDActive - Proposal to Strike off- 04621168 - Incorporated on 18 December 2002 
- B SMALLMAN LIMITEDDisolved- 11902989 - Dissolved on 18 January 2022 
- J SMALLMAN LIMITED- 05727902 - Incorporated on 2 March 2006 
- Robbert ZOET- Born March 1966 - 2 Chartland House Old Station Approach, Leatherhead, England, KT22 7TE 
- ROBBERT ZOET- Born March 1966 - BROOM COTTAGE MOLES HILL, OXSHOTT, SURREY, UNITED KINGDOM, KT22 0QB 
- Robbert OUDENDIJK- Born January 1974 - NATIONAL OILWELL VARCO Badentoy Crescent Badentoy Industrial Park, Portlethen, Aberdeen, Scotland, AB12 4YD