- B HARPER TM LTDDisolved- 13024415 - Dissolved on 4 June 2024 
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- RICHARD & RICHARD LIMITEDActive - Proposal to Strike off- 11534948 - Incorporated on 24 August 2018 
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- HJ ANALYTICS LTDDisolved- 09166345 - Dissolved on 22 December 2022 
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- HARPER CHURCH- CS007560 
- RICHARD RICHARD LIMITEDDisolved- 13998117 - Dissolved on 12 September 2023 
- HARPER LIMITED- 01446690 - Incorporated on 4 September 1979 
- HARPER ZARISDissolved- 07466711 - Dissolved on 24 April 2012 
- THE MR AND MRS EMPIRE LTD- 15603811 - Incorporated on 29 March 2024 
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- MR AND MRS A LTDActive - Proposal to Strike off- 11538245 - Incorporated on 28 August 2018 
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- ER.HARPERS LTDActive - Proposal to Strike off- 11593211 - Incorporated on 28 September 2018 
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- HARPER AMY LTD- 14743307 - Incorporated on 20 March 2023 
- OXFORD TRAFFIC MANAGEMENT LTDLiquidation- 11642421 - Incorporated on 25 October 2018