£311k
+203%vs May 2024From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Rtsb 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.
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01
Summary
RTSB LTD is an active private limited company (company number 10787789) incorporated on 24 May 2017, registered in London. Its registered activity is other business support service activities n.e.c. (SIC 82990). Latest small accounts cover the period ending 31 May 2025, showing net assets of £311k and cash of £392k, with 5 employees on average. Net assets rose 203% on the prior period (£103k).
Peer position · net assets
By net assets it sits in the top quarter of 27,230 comparable companies in London (median £1,197, upper quartile £53k).
02
Ownership and control
- Mr Richard John Koch
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mr William James Stirling Buckley
- owns 50–75% of shares
- Mr Martin James Bysh
- owns 25–50% 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
- 24 May 20179 yrs ago
- Next accounts due
- 28 February 2027in 128 days
- Confirmation statement due
- 7 June 2027in 227 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
£392k
−1%vs May 2024Not reported
5
No changevs May 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 May 2025 | £311k | £392k | £8,054 | — | — | — | 5 |
| 31 May 2024 | £103k | £397k | £0 | — | — | — | 5 |
Cash per employee£78kCash ÷ 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 above zeroNet assets £311,404 at 31 May 2025
- Net assets up 10% or more on the prior period+202.8% vs prior period
- Cash at bank of £50,000 or moreCash £391,786
- Incorporated five or more years agoIncorporated 24 May 2017
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 227 days
- Next accounts duein 128 days
- Accounts period endNet assets £311k · small accounts
- Accounts period endNet assets £103k · small accounts
- Incorporated
08
Similar companies in London
- POLARIS HOLDINGS LIMITEDLondon · inc. May 2017
- GENERAL DYNAMICS SWISS FINANCIAL MANAGEMENT LIMITEDLondon · inc. May 2017
- EKOVEL UK LIMITEDLondon · inc. May 2017
- FLORI CONSTRUCTION LTDLondon · inc. May 2017
- WOGMAN PROPERTIES LIMITEDLondon · inc. May 2017
- WESTBURY FOOD & WINE LTDLondon · inc. May 2017
All companies incorporated on 24 May 2017 · in May 2017.
09
Reminders for RTSB LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.