- Companies
- Machinery repair and installation
- Woodbridge
- Cox - Olliff Ltd
Cox - Olliff Ltd
- Company number
- 06702423
- Incorporated
- 19 Sep 200818 years trading
- Registered office
- Unit MP2, Kirrawah, Newbourne Road, Martlesham, Woodbridge, Suffolk, IP12 4PR
- Nature of business
- Repair and maintenance of ships and boats
Cox - Olliff Ltd is a 18-year-old private limited company registered in Woodbridge, company number 06702423, one of 18 machinery repair and installation companies in Woodbridge. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £44K (-55.5%) on the year before, to -£123K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £99K against £39K owed within a year: 2.5 times cover.
- 4 employees on average, up from 2 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | -£123K | £764 | £99K | £39K | 4 |
| 31 Dec 2024 | -£79K | £582 | £108K | £54K | 2 |
| 31 Dec 2023 | -£53K | £580 | £96K | £53K | 2 |
| 31 Dec 2022 | -£12K | £380 | £114K | £28K | 3 |
| 31 Dec 2021 | -£43K | £380 | £75K | £43K | 2 |
| 31 Dec 2020 | -£54K | £380 | £80K | £43K | 1 |
| 31 Dec 2019 | -£23K | £600 | £67K | £34K | 1 |
| 31 Dec 2018 | -£16K | £100 | £63K | £35K | 1 |
| 31 Dec 2017 | -£18K | £260 | £51K | £36K | 1 |
| 31 Dec 2016 | -£16K | £612 | £39K | £18K |
Where Cox - Olliff Ltd is registered
The registered office is in Woodbridge (IP12), in the East Suffolk local authority area, East of England. Show IP12 4PR on a map.
Other trade companies in IP12
- Wonder Cleaning Services LtdCleaning companies
- RJB Roofing & Building LtdRoofers
- Ab Electro Nick LtdMachinery repair and installation
- DM&Ac LimitedBuilders
- Lwe Energy LtdInstallers
- Apex Building & Plumbing LtdProperty developers
- SGS Services Ea LtdMechanics and garages
- Prentice Automotive LtdMotor traders
What happens if Cox - Olliff Ltd 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 06702423
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 September 2008 (18 years ago)
- Registered office
- Unit MP2, Kirrawah, Newbourne Road, Martlesham, Woodbridge, Suffolk, IP12 4PR
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 19 September 2026
- Previous names
- Woodbridge Electrical Services Limited (until 13 Dec 2009)
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Woodbridge
Other active machinery repair and installation companies registered in Woodbridge.
- Deben Marine Limited2004
- Dynacam Limited2024
- East Anglia Crane Services Ltd2018
- Excel Charter Aviation Limited2020
- Fork East Ltd2017
- Fullers Electronic Services Limited2002
- Mortlock Yachts Limited2021
- Netradial Ltd2013
All machinery repair and installation companies in Woodbridge · All trades in Woodbridge · Machinery repair and installation across the UK
Frequently asked questions
When are Cox - Olliff Ltd's accounts due?
Cox - Olliff Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Cox - Olliff Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Cox - Olliff Ltd still trading?
Cox - Olliff Ltd is listed as active on the Companies House register (checked 13 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 Cox - Olliff Ltd do?
Cox - Olliff Ltd is registered under Repair and maintenance of ships and boats (SIC 33150).
How old is Cox - Olliff Ltd?
Cox - Olliff Ltd was incorporated on 19 September 2008, 18 years ago.
What is the penalty if Cox - Olliff Ltd 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 Cox - Olliff Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.