- Companies
- Electricians
- Ruislip
- O’Donoghue Signalling Limited
O’Donoghue Signalling Limited
- Company number
- 11609265
- Incorporated
- 8 Oct 20188 years trading
- Registered office
- 18 Cottingham Chase, Ruislip, HA4 0BZ
- Nature of business
- Electrical installation
O’Donoghue Signalling Limited is a 8-year-old private limited company registered in Ruislip, company number 11609265, one of 89 electrical contractors in Ruislip. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £31K (-99%) on the year before, to £307.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £405 against £98 owed within a year: 4.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £307 | £405 | £98 | 1 | |
| 31 Oct 2024 | £31K | £0 | £32K | £952 | 1 |
| 31 Oct 2023 | £27K | £100 | £28K | £497 | 1 |
| 31 Oct 2022 | £25K | £100 | £19K | £352 | 0 |
| 31 Oct 2021 | £4 | £7,847 | 1 | ||
| 31 Oct 2020 | £3 | £2,374 | £0 | 1 | |
| 31 Oct 2019 | £3 | £73 | £2,242 | 1 |
Where O’Donoghue Signalling Limited is registered
The registered office is in Ruislip (HA4), in the Hillingdon local authority area, London. Show HA4 0BZ on a map.
Other trade companies in HA4
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- Katardino Monten for General Contracting and Supplies LtdCivil engineering
- Apex Build & Move LtdBuilders
- Ridgeway Building Contracts LimitedProperty developers
- Azya Farah LtdBuilders
- Howdens Roofing & Guttering LimitedRoofers
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What happens if O’Donoghue Signalling Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 11609265
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 October 2018 (8 years ago)
- Registered office
- 18 Cottingham Chase, Ruislip, HA4 0BZ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 17 November 2025
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Ruislip
Other active electrical contractors registered in Ruislip.
- PBM Electrical Limited2026
- Pembroke Electrical Services Ltd2020
- Prestige Ev Ltd2024
- Quinn's Electrical Services Ltd2020
- Regel Services Ltd2019
- Return Path Electrical Ltd2021
- RPB Electrical Solutions Ltd2026
- Rumball Electrical Limited2019
All electrical contractors in Ruislip · All trades in Ruislip · Electricians across the UK
Frequently asked questions
When are O’Donoghue Signalling Limited's accounts due?
O’Donoghue Signalling Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is O’Donoghue Signalling Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is O’Donoghue Signalling Limited still trading?
O’Donoghue Signalling Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does O’Donoghue Signalling Limited do?
O’Donoghue Signalling Limited is registered under Electrical installation (SIC 43210).
How old is O’Donoghue Signalling Limited?
O’Donoghue Signalling Limited was incorporated on 8 October 2018, 8 years ago.
What is the penalty if O’Donoghue Signalling Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View O’Donoghue Signalling Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.