SINGLE RULEBOOK LTD
Owned by Kaizen Regtech Group Limited and Dario Marcello Crispini
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
Summary
SINGLE RULEBOOK LTD is an active private limited company (company number 12008959) incorporated on 21 May 2019, registered in London. Its registered activity is business and domestic software development (SIC 62012). Accounts are on file at Companies House (small) but not yet parsed into this record.
There are 15,170 companies in business and domestic software development in London with filed accounts; the median reports net assets of £702 and is 5 years old.
Key dates
- Incorporated
- 21 May 20197 yrs ago
- First accounts due
- 21 February 20212069 days overdue
- Confirmation statement due
- 4 June 2027in 225 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 62012
- Business and domestic software development
- SIC 63110
- Data processing, hosting and related activities
- Accounts type
- Small
Financials
Accounts exist on the register but their figures are not in this dataset yet.
Filing and accounts signals
- Incorporated five or more years agoIncorporated 21 May 2019
- Accounts past their due dateDue 21 February 2021
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
Ownership and control
- Kaizen Regtech Group Limited
- holds 50–75% of voting rights
- can appoint or remove directors
- Mr Dario Marcello Crispini
- owns 75–100% of shares
- holds 25–50% of voting rights
- Ucalipt Limited
- owns 25–50% of shares
- Mr Wim Nelen
- owns 25–50% of shares
- Kaizen Reporting Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Timeline
- Confirmation statement duein 225 days
- First accounts due2069 days overdue
- Incorporated
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Reminders for SINGLE RULEBOOK LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.