£318k
+12%vs Sept 2024Active11554884Private limited companyLondon
SEILERN DEVELOPMENTS LIMITED
B77/10001
Summary
SEILERN DEVELOPMENTS LIMITED is an active private limited company (company number 11554884) incorporated on 5 September 2018, registered in London. Its registered activity is development of building projects (SIC 41100). Latest small accounts cover the period ending 30 September 2025, showing net assets of £318k and cash of £130k, with 0 employees on average. Net assets rose 12% on the prior period (£285k). Across the last 3 periods on record the net-asset trend is rising.
Peer position · net assets
By net assets it sits in the top quarter of 12,682 comparable companies in London (median £413, upper quartile £73k).
02
Key dates
- Incorporated
- 5 September 20188 yrs ago
- Next accounts due
- 30 June 2027in 251 days
- Confirmation statement due
- 19 September 2027in 332 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
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
04
Financials
£130k
+50%vs Sept 2024Not reported
0
vs Sept 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £318k | £130k | — | £186k | — | — | 0 |
| 30 September 2024 | £285k | £87k | — | £176k | — | — | 0 |
| 30 September 2023 | £249k | £3,641 | — | £169k | — | — | — |
Current ratio0.7Current liabilities exceed current assets
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
05
Firmoscan score
77 / 100 · grade B
| 50 | Starting scoreEvery scored company starts here |
| +10 | Positive net assetsNet assets £317,964 at 2025-09-30 |
| +8 | Net assets growing+11.6% vs prior period |
| −8 | Current liabilities exceed current assetsCurrent ratio 0.7 |
| +4 | Cash reservesCash £130,026 |
| +5 | Multi-year filing history3 periods on record |
| +8 | EstablishedIncorporated 2018-09-05 (8 years) |
| 77 | Score, grade B |
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
- Mrs Christina Seilern
- 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 332 days
- Next accounts duein 251 days
- Accounts period endNet assets £318k · small accounts
- Accounts period endNet assets £285k · small accounts
- Accounts period endNet assets £249k · small accounts
- Incorporated
08
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All companies incorporated on 5 September 2018 · in Sept 2018.
09
Reminders for SEILERN DEVELOPMENTS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.