£206k
−10%vs Dec 2023Active08159144Private limited companyLondon
THE CONSTRUCTION SECTOR TRANSPARENCY INITIATIVE
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 The Construction Sector Transparency Initiative: 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 The Construction Sector Transparency Initiative sell?
Registered activity: Activities of other membership organisations n.e.c. (SIC 94990). 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
THE CONSTRUCTION SECTOR TRANSPARENCY INITIATIVE is an active private limited company (company number 08159144) incorporated on 27 July 2012, registered in London. Its registered activity is activities of other membership organisations n.e.c. (SIC 94990). Latest small accounts cover the period ending 31 December 2024, showing net assets of £206k and cash of £297k, with 0 employees on average. Net assets fell 10% on the prior period (£228k).
Peer position · net assets
By net assets it sits in the top quarter of 1,044 comparable companies in London (median £993, upper quartile £25k).
02
Ownership and control
No active person with significant control is registered.
- Mr Christiaan Poortman
- has significant influence or control
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
- 27 July 201214 yrs ago
- Next accounts due
- 30 September 202626 days overdue
- Confirmation statement due
- 10 August 2027in 288 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 94990
- Activities of other membership organisations n.e.c.
- Accounts type
- Small
- Size band
- MicroCompanies Act thresholds
05
Financials
£297k
+30%vs Dec 2023Not reported
0
vs Dec 2023| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2024 | £206k | £297k | £152k | £244k | — | — | 0 |
| 31 December 2023 | £228k | £228k | £74k | £74k | — | — | 0 |
Current ratio1.84Current assets ÷ creditors within one year
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 £205,925 at 31 December 2024
- Current assets at least 1.5× creditors within one yearCurrent ratio 1.84
- Cash at bank of £50,000 or moreCash £297,487
- Incorporated five or more years agoIncorporated 27 July 2012
- Accounts past their due dateDue 30 September 2026
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 288 days
- Next accounts due26 days overdue
- Accounts period endNet assets £206k · small accounts
- Accounts period endNet assets £228k · small accounts
- Incorporated
08
Similar companies in London
- DIVERSITY (UK)Covent Garden · inc. Jul 2012
- CONSERVATIVE FRIENDS OF PAKISTAN LTDLondon · inc. Jul 2012
- LONDON TENANTSLondon · inc. Jul 2012
- THE INTERNATIONAL COUNCIL ON MINING AND METALS LIMITEDLondon · inc. Aug 2012
- INVEST AFRICA LIMITEDLondon · inc. Jul 2012
- THE GIN GUILD LIMITEDLondon · inc. Jul 2012
All companies incorporated on 27 July 2012 · in Jul 2012.
09
Reminders for THE CONSTRUCTION SECTOR TRANSPARENCY INITIATIVE
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.