−£16k
vs Apr 2024Active11312928Private limited companyLondon
MASTROBOOKS LTD
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
Watch this company
Get an email when Companies House records a change for Mastrobooks Ltd: status, filings, accounts, officers or owners. Free.
Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy
Coming soon · product and service lists
What does Mastrobooks Ltd sell?
Registered activity: Other business support service activities n.e.c. (SIC 82990). We’re building product and service lists for UK companies. Get this one when it’s ready.
One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01
Summary
MASTROBOOKS LTD is an active private limited company (company number 11312928) incorporated on 17 April 2018, registered in London. Its registered activity is other business support service activities n.e.c. (SIC 82990). Latest small accounts cover the period ending 30 April 2025, showing net assets of −£16k and cash of £35, with 1 employee on average. Net assets fell 13% on the prior period (−£14k).
Peer position · net assets
By net assets it sits in the bottom quarter of 27,230 comparable companies in London (median £1,197, upper quartile £53k).
02
Ownership and control
No active person with significant control is registered.
- Mr Gianluca Massini Rosati
- owns 75–100% of shares
- can appoint or remove directors
- Xriba Ltd
- owns 75–100% of shares
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 17 April 20188 yrs ago
- Next accounts due
- 30 January 2027in 97 days
- Confirmation statement due
- 1 May 2027in 188 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 82990
- Other business support service activities n.e.c.
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£35
−96%vs Apr 2024Not reported
1
No changevs Apr 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 April 2025 | −£16k | £35 | £0 | — | — | — | 1 |
| 29 April 2024 | −£14k | £967 | £17k | — | — | — | 1 |
Cash per employee£35Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets below zeroNet assets £-15,804 at 30 April 2025
- Incorporated five or more years agoIncorporated 17 April 2018
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.
07
Timeline
- Confirmation statement duein 188 days
- Next accounts duein 97 days
- Accounts period endNet liabilities £16k · small accounts
- Accounts period endNet liabilities £14k · small accounts
- Incorporated
08
Similar companies in London
- FLP CONSULTING LIMITEDLondon · inc. Apr 2018
- KNOGIN LTDCanary Wharf · inc. Apr 2018
- HAAR INVESTMENTS LTDLondon · inc. Apr 2018
- LOGO1013 LIMITEDFinchley · inc. Apr 2018
- OAKTREE RENEWABLES LTDLondon · inc. Apr 2018
- OSMO PROJECTS LTDLondon · inc. Apr 2018
All companies incorporated on 17 April 2018 · in Apr 2018.
09
Reminders for MASTROBOOKS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.