£18k
−52%vs Mar 2024Active11862443Private limited companyDoncaster
SMARTEST CONSTRUCTION LTD
Significant control: Cosmin Cosor (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Smartest Construction Ltd sell?
Registered activity: Roofing activities (SIC 43910). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SMARTEST CONSTRUCTION LTD is an active private limited company (company number 11862443) incorporated on 5 March 2019, registered in Doncaster. Its registered activity is roofing activities (SIC 43910). Latest abridged accounts cover the period ending 31 March 2025, showing net assets of £18k and cash of £27k, with 1 employee on average. As abridged accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 52% on the prior period (£38k).
Peer position · net assets
By net assets it sits in the upper half of 288 comparable companies in Sheffield (median £13k, upper quartile £64k).
02
Ownership and control
- Mr Cosmin Cosor
- 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. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 5 March 20197 yrs ago
- Next accounts due
- 31 December 2026in 69 days
- Confirmation statement due
- 19 March 2027in 147 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43910
- Roofing activities
- SIC 49410
- Freight transport by road
- SIC 53202
- Unlicensed carriers
- Accounts type
- Unaudited Abridged
- Size band
- MicroCompanies Act thresholds
05
Financials
£27k
−20%vs Mar 2024Not disclosed
1
No changevs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £18k | £27k | £346 | £15k | — | — | 1 |
| 31 March 2024 | £38k | £34k | £25k | £22k | — | — | 1 |
Current ratio1.87Current assets ÷ creditors within one year
Cash per employee£27kCash ÷ 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 £18,223 at 31 March 2025
- Net assets down 25% or more on the prior period-51.8% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 1.87
- Incorporated five or more years agoIncorporated 5 March 2019
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 147 days
- Next accounts duein 69 days
- Accounts period endNet assets £18k · abridged accounts
- Accounts period endNet assets £38k · abridged accounts
- Incorporated
08
Similar companies in Sheffield
- NATIONAL ROOFING SUPPLIES LIMITEDBarnsley · inc. Mar 2019
- SJC ROOFING LTDRotherham · inc. Feb 2019
- LMS ROOFING LTDDoncaster · inc. Feb 2019
- SEARLE ROOFCLAD LIMITEDRotherham · inc. Mar 2019
- VIKING ROOFING LIMITEDDoncaster · inc. Feb 2019
- GREAT NORTHERN ROOFING COMPANY LIMITEDSheffield · inc. Apr 2019
All companies incorporated on 5 March 2019 · in Mar 2019.
09
Reminders for SMARTEST CONSTRUCTION LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.