- THE JACOB PROJECT JACOB LTDDisolved- 11988236 - Dissolved on 21 December 2021 
- MR MR2 LTD- 11218539 - Incorporated on 21 February 2018 
- ROBERTS & ROBERTS LIMITED- 10695535 - Incorporated on 28 March 2017 
- JACOBS & CO- SL001623 - Incorporated on 4 February 1991 
- L.M.JACOB LTD- 15020345 - Incorporated on 21 July 2023 
- A.JACOB LTD- 13528541 - Incorporated on 23 July 2021 
- MR & MR LTD- 16489396 - Incorporated on 2 June 2025 
- OSJ PARTNERS LTD- 10475065 - Incorporated on 11 November 2016 
- JACOB&CO LTDDisolved- 11778358 - Dissolved on 22 February 2022 
- D JACOBS LTDDisolved- 12594109 - Dissolved on 19 October 2021 
- S M JACOBS LTD- 09497082 - Incorporated on 18 March 2015 
- MR MR LTDActive - Proposal to Strike off- 15533685 - Incorporated on 1 March 2024 
- JACOB TRUSTActive - Proposal to Strike off- 06452318 - Incorporated on 13 December 2007 
- JACOBY 319 LTD- 09829090 - Incorporated on 16 October 2015 
- DR JACOB LTD- 08281448 - Incorporated on 5 November 2012 
- JACOBP2P LTDDisolved- 14562144 - Dissolved on 4 June 2024 
- JACOB & JR LTDDisolved- 14607426 - Dissolved on 25 June 2024 
- JACOBY LTDDisolved- 10688721 - Dissolved on 7 March 2023 
- JACOBB LTDActive - Proposal to Strike off- 15557978 - Incorporated on 12 March 2024 
- JACOBS M&A LLPActive - Proposal to Strike off- OC424588 - Incorporated on 23 October 2018