−£34k
vs Dec 2023Active11780905Private limited companyNorthampton
RUBICON BUILDING LTD
Significant control: Jacek Bogdan Mincewicz (75–100%), Ewelina Mincewicz (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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Registered activity: Construction of commercial buildings (SIC 41201). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
RUBICON BUILDING LTD is an active private limited company (company number 11780905) incorporated on 22 January 2019, registered in Northampton. Its registered activity is construction of commercial buildings (SIC 41201). Latest small accounts cover the period ending 31 December 2024, showing net assets of −£34k and cash of £5,745, with 2 employees on average. Net assets fell 63% on the prior period (−£21k).
Peer position · net assets
By net assets it sits in the bottom quarter of 301 comparable companies in Northampton (median £6,011, upper quartile £38k).
02
Ownership and control
- Mr Jacek Bogdan Mincewicz
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mrs Ewelina Mincewicz
- owns 25–50% of shares
- Mr Jacek Micewicz
- owns 75–100% of shares
- holds 75–100% 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. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 22 January 20197 yrs ago
- Next accounts due
- 30 September 202623 days overdue
- Confirmation statement due
- 5 February 2027in 105 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 41201
- Construction of commercial buildings
- SIC 43390
- Other building completion and finishing
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£5,745
+27%vs Dec 2023Not reported
2
No changevs Dec 2023| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2024 | −£34k | £5,745 | £4,270 | £35k | — | — | 2 |
| 31 December 2023 | −£21k | £4,517 | £7,696 | £19k | — | — | 2 |
Current ratio0.29Current assets ÷ creditors within one year
Cash per employee£2,872Cash ÷ 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 below zeroNet assets £-33,897 at 31 December 2024
- Net assets down 25% or more on the prior period-63.5% vs prior period
- Current assets below creditors within one yearCurrent ratio 0.29
- Incorporated five or more years agoIncorporated 22 January 2019
- 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 105 days
- Next accounts due23 days overdue
- Accounts period endNet liabilities £34k · small accounts
- Accounts period endNet liabilities £21k · small accounts
- Incorporated
08
Similar companies in Northampton
- BUILDOM CONSTRUCTION LTDNorthampton · inc. Jan 2019
- HAPPY NICHOLAS LIMITEDNorthampton · inc. Jan 2019
- ECKLAND DEVELOPMENTS LIMITEDNorthampton · inc. Jan 2019
- TRAVILL CONSTRUCTION LIMITEDHargrave · inc. Jan 2019
- AXES CONSTRUCTION LTDNorthampton · inc. Jan 2019
- ZK BUILDERS AND PLUMBERS LTDNorthampton · inc. Jan 2019
All companies incorporated on 22 January 2019 · in Jan 2019.
09
Reminders for RUBICON BUILDING LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.