- EDWARD JACOBSON- Born August 1982 - 12 BRECKLAND DRIVE, BOLTON, UNITED KINGDOM, BL1 5BQ 
- JACOBS AND JACOBS LIMITEDDisolved- 10903173 - Dissolved on 12 August 2023 
- EDWARD JACOB SACK- Born April 1930 - 125 REMSEN STREET, BROOKLYN, NEW YORK, NEW YORK, U.S.A., 11201 
- EDWARD JACOBSON- Born January 1949 - 66-67 NEWMAN STREET, LONDON, ENGLAND UNITED KINGDOM, W1T 3EQ 
- HANS JURGEN GROSCHKE- Born June 1939 - DEVONSHIRE HOUSE 29/31 ELMFIELD ROAD, BROMLEY, ENGLAND, BR1 1LT 
- EMMA LOUISE GROSCHEL- 8 CREFFIELD ROAD, COLCHESTER, ESSEX, CO3 3JB 
- IAN EDWARD JACOBS- Born February 1952 - 15 UPPER VILLAGE ROAD, ASCOT, BERKSHIRE, SL5 7BA 
- EDWARD JACOB SACK- 125 REMSEN STREET, BROOKLYN, NEW YORK, NEW YORK, U.S.A., 11201 
- MR.MR. LTDDisolved- 14252327 - Dissolved on 5 December 2023 
- THE JACOB PROJECT JACOB LTDDisolved- 11988236 - Dissolved on 21 December 2021 
- MR MR2 LTD- 11218539 - Incorporated on 21 February 2018 
- 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