# Single Rulebook Ltd

## Details

- **Company number:** [12008959](https://find-and-update.company-information.service.gov.uk/company/12008959)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 21 May 2019
- **Registered office:** 30 ST. MARY AXE, LONDON, EC3A 8BF
- **Nature of business:** [62012](/sic/62012) Business and domestic software development, [63110](/sic/63110) Data processing, hosting and related activities
- **Corporate group:** [Kaizen Regtech Holdings Limited](/group/30776) (5 companies)


## Previous names

- Singlerulebook.com Ltd (until 17 Nov 2020)




## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Ucalipt Limited | ownership-of-shares-25-to-50-percent | 21 May 2019 | 3 Sep 2020 |
| Mr Wim Nelen | ownership-of-shares-25-to-50-percent | 21 May 2019 | 3 Sep 2020 |
| Kaizen Reporting Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 3 Sep 2020 | 28 Feb 2023 |
| Mr Dario Marcello Crispini | ownership-of-shares-75-to-100-percent, voting-rights-25-to-50-percent | 9 Sep 2025 |  |
| Kaizen Regtech Group Limited | voting-rights-50-to-75-percent, right-to-appoint-and-remove-directors | 28 Feb 2023 |  |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 31 Jan 2024 | -£3,218,689 | £137,553 | 7 |
| 31 Jan 2023 | -£2,581,245 | £166,627 | 7 |
| 31 Jan 2022 | -£1,380,946 | £61,655 | 5 |
| 31 Jan 2021 | - | £63,539 | 2 |
| 31 May 2020 | £19,926 | £17,926 | 2 |



## Owned by

Single Rulebook Ltd → [Kaizen Regtech Group Limited](/company/14662257) → [Kaizen Regtech Holdings Limited](/company/16041065)





## Companies at the same address

- [Agent House Limited](/company/08759647) (08759647)
- [Allstack Digital Solutions Limited](/company/17098257) (17098257)
- [ALP Trading Group Limited](/company/15409220) (15409220)
- [Briks Ecommerce Limited](/company/16971847) (16971847)
- [Carbonplace Limited](/company/13915306) (13915306)
- [Carbonplace Matched Principal Limited](/company/15877608) (15877608)
- [Carbonplace UK Limited](/company/14551270) (14551270)
- [Cloudsinc Limited](/company/15175475) (15175475)
- [Cumulus9 Limited](/company/13607450) (13607450)
- [Eton Associates Limited](/company/02820813) (02820813)