£313k
+84%vs Sept 2024Active15134872Private limited companyCroydon
SERIOUSLY LTD
A84/10001
Summary
SERIOUSLY LTD is an active private limited company (company number 15134872) incorporated on 12 September 2023, registered in Croydon. Its registered activity is development of building projects (SIC 41100). Latest small accounts cover the period ending 30 September 2025, showing net assets of £313k and cash of £411k, with 1 employee on average. Net assets rose 84% on the prior period (£170k).
Peer position · net assets
By net assets it sits in the top quarter of 8,882 comparable companies in Greater London (median £585, upper quartile £46k).
02
Key dates
- Incorporated
- 12 September 20233 yrs ago
- Next accounts due
- 30 June 2027in 251 days
- Confirmation statement due
- 26 September 2027in 339 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 41100
- Development of building projects
- SIC 43390
- Other building completion and finishing
- SIC 43999
- Other specialised construction activities n.e.c.
- SIC 68320
- Management of real estate on a fee or contract basis
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
04
Financials
£411k
+106%vs Sept 2024Not reported
1
No changevs Sept 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £313k | £411k | £43k | £143k | — | £143k | 1 |
| 30 September 2024 | £170k | £200k | £87k | — | — | £170k | 1 |
Current ratio3.18Comfortable
Cash per employee£411kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
05
Firmoscan score
84 / 100 · grade A
| 50 | Starting scoreEvery scored company starts here |
| +10 | Positive net assetsNet assets £313,250 at 2025-09-30 |
| +8 | Net assets growing+83.7% vs prior period |
| +8 | Comfortable liquidityCurrent ratio 3.18 |
| +4 | Cash reservesCash £411,221 |
| +4 | Past first filingsIncorporated 2023-09-12 |
| 84 | Score, grade A |
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice. How the score is computed.
06
Ownership and control
- Mr Mark Waterstone
- 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.
07
Timeline
- Confirmation statement duein 339 days
- Next accounts duein 251 days
- Accounts period endNet assets £313k · small accounts
- Accounts period endNet assets £170k · small accounts
- Incorporated
08
Similar companies in Greater London
- AMEO SYCAMORE LTDSutton · inc. Sept 2023
- NEWEASTCOTE LTDLoughton · inc. Sept 2023
- WTS INFO LTDBarnet · inc. Sept 2023
- PRIMROSE CONSTRUCTION (LONDON) LTDWatford · inc. Sept 2023
- VELOCITY DEVELOPERS LIMITEDSouthall · inc. Sept 2023
- BUILDYN UK LTD.Romford · inc. Sept 2023
All companies incorporated on 12 September 2023 · in Sept 2023.
09
Reminders for SERIOUSLY LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.