£673k
+29%vs Mar 2025Active01975691Private limited companyDarlington
RENNYCO LIMITED
Significant control: Rennyco Holdings Ltd (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Rennyco Limited sell?
Registered activity: Other construction installation (SIC 43290). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
RENNYCO LIMITED is an active private limited company (company number 01975691) incorporated on 8 January 1986, registered in Darlington. Its registered activity is other construction installation (SIC 43290). Latest abridged accounts cover the period ending 31 March 2026, showing net assets of £673k and cash of £688k, with 11 employees on average. As abridged accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 29% on the prior period (£522k).
Peer position · net assets
By net assets it sits in the top quarter of 3,476 comparable companies in Other (median £5,581, upper quartile £40k).
02
Ownership and control
- Rennyco Holdings Ltd
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mr Mark Stephen Rennison
- owns 75–100% of shares
- Rennyco Properties Ltd
- 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
- 8 January 198640 yrs ago
- Next accounts due
- 31 December 2027in 431 days
- Confirmation statement due
- 22 January 2027in 88 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43290
- Other construction installation
- SIC 43999
- Other specialised construction activities n.e.c.
- Accounts type
- Unaudited Abridged
- Size band
- SmallCompanies Act thresholds
05
Financials
£688k
+50%vs Mar 2025Not disclosed
11
No changevs Mar 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2026 | £673k | £688k | £266k | — | — | — | 11 |
| 31 March 2025 | £522k | £458k | £180k | — | — | — | 11 |
Cash per employee£63kCash ÷ 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 £672,831 at 31 March 2026
- Net assets up 10% or more on the prior period+29.0% vs prior period
- Cash at bank of £50,000 or moreCash £688,150
- Incorporated five or more years agoIncorporated 8 January 1986
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
- Next accounts duein 431 days
- Confirmation statement duein 88 days
- Accounts period endNet assets £673k · abridged accounts
- Accounts period endNet assets £522k · abridged accounts
- Incorporated
08
Similar companies in the UK
- L.F. REPLACEMENT WINDOWS LIMITEDChippenham · inc. Feb 1986
- COUNTRYLIFE STOVES LIMITEDSuffolk · inc. Oct 1985
- SEHBAC LIMITEDIpswich · inc. Sept 1985
- CITY INSULATION CONTRACTORS LIMITEDTelford · inc. May 1986
- I D C INSULATION LTDHaverhill · inc. Aug 1985
- JP DISPLAYS LTDPoole · inc. Jul 1985
All companies incorporated on 8 January 1986 · in Jan 1986.
09
Reminders for RENNYCO LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.