£86k
+26%vs Apr 2024Active13357218Private limited companyWoodford Green
BUILDING17 LTD
A80/10001
Summary
BUILDING17 LTD is an active private limited company (company number 13357218) incorporated on 26 April 2021, registered in Woodford Green. Its registered activity is engineering related scientific and technical consulting activities (SIC 71122). Latest small accounts cover the period ending 30 April 2025, showing net assets of £86k and cash of £146k, with 1 employee on average. Net assets rose 26% on the prior period (£68k).
Peer position · net assets
By net assets it sits in the top quarter of 1,082 comparable companies in Greater London (median £6,876, upper quartile £40k).
02
Key dates
- Incorporated
- 26 April 20215 yrs ago
- Next accounts due
- 30 January 2027in 100 days
- Confirmation statement due
- 10 May 2027in 200 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 71122
- Engineering related scientific and technical consulting activities
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
04
Financials
£146k
+24%vs Apr 2024Not reported
1
No changevs Apr 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 April 2025 | £86k | £146k | £0 | — | — | — | 1 |
| 30 April 2024 | £68k | £118k | £18k | — | — | — | 1 |
Cash per employee£146kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
05
Firmoscan score
80 / 100 · grade A
| 50 | Starting scoreEvery scored company starts here |
| +10 | Positive net assetsNet assets £85,578 at 2025-04-30 |
| +8 | Net assets growing+25.9% vs prior period |
| +4 | Cash reservesCash £146,117 |
| +8 | EstablishedIncorporated 2021-04-26 (5 years) |
| 80 | 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
- Dr. Matthew John Williams
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Sonya Anson
- owns 25–50% of shares
- holds 25–50% of voting rights
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 200 days
- Next accounts duein 100 days
- Accounts period endNet assets £86k · small accounts
- Accounts period endNet assets £68k · small accounts
- Incorporated
08
Similar companies in Greater London
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- INDUSTRIAL PIPE SERVICES LTDLongfield · inc. Apr 2021
- TERRAFIRMA ENGINEERING LIMITEDWatford · inc. Apr 2021
- STRITAL CONSULTING LTDEsher · inc. Apr 2021
- ISAFE REALITY LTDRuislip · inc. May 2021
All companies incorporated on 26 April 2021 · in Apr 2021.
09
Reminders for BUILDING17 LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.