- Companies
- Specialist contractors
- Milford Haven
- Ocon Fire & Security Limited
Ocon Fire & Security Limited
- Company number
- 05977873
- Incorporated
- 25 Oct 200619 years trading
- Registered office
- 22 Market Square, Milford Haven, Pembrokeshire, SA73 2AE
- Nature of business
- Other specialised construction activities n.e.c.
Ocon Fire & Security Limited is a 19-year-old private limited company registered in Milford Haven, company number 05977873, one of 10 specialist construction companies in Milford Haven. 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 £10K (-272%) on the year before, to -£6,543.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £250K against £287K owed within a year: 0.9 times cover.
- 11 employees on average, down from 12 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 Oct 2025 | -£6,543 | £16K | £250K | £287K | 11 |
| 31 Oct 2024 | £3,805 | £281K | £267K | 12 | |
| 31 Oct 2023 | £1,328 | £22K | £214K | £164K | 9 |
| 31 Oct 2022 | £6,515 | £81K | £277K | £167K | 9 |
| 31 Oct 2021 | £571 | £1 | £338K | £153K | 11 |
| 31 Oct 2020 | £1,717 | £1,120 | £439K | £249K | 12 |
| 31 Oct 2019 | £11K | £24K | £334K | £285K | 12 |
| 31 Oct 2018 | -£8,516 | £1,674 | £322K | £315K | 19 |
| 31 Oct 2017 | £19K | £30K | £322K | £350K | 16 |
| 31 Oct 2016 | £15K | £2,387 | £194K |
Public contracts won
Ocon Fire & Security Limited has one public sector contract award on record; the ones with their own published value total £80K (2016). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Police and Crime Commissioner for Dyfed Powys | The Servicing and Maintenance of Gates & Barriers | £80K | 26 Jul 2016 |
Where Ocon Fire & Security Limited is registered
The registered office is in Milford Haven (SA73), in the Pembrokeshire local authority area, Wales. Show SA73 2AE on a map.
Other trade companies in SA73
- An Construction & Maintenance LtdBuilders
- Haven Coast Group Developments 1 LtdProperty developers
- Pembs Ice Blasting LtdCleaning companies
- Haven Coast Group LimitedProperty developers
- MR GS Mobile Tyres LtdMechanics and garages
- WBG Facilities LimitedScaffolders
- HW Builders LtdBuilders
- Pro Scaffolding Pembs LtdScaffolders
What happens if Ocon Fire & Security 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
- 05977873
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 October 2006 (19 years ago)
- Registered office
- 22 Market Square, Milford Haven, Pembrokeshire, SA73 2AE
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 10 September 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Milford Haven
Other active specialist construction companies registered in Milford Haven.
- SB Construction Consultants Ltd2024
- SRS Pembs Limited2020
- Adept Interior Installation Limited2019
- Davey Site Services Limited1986
- Global Energy Contracts Limited2016
- GSD Engineering Limited2013
- K. & G. Sutton Contractors Limited1997
- Lockbox Group Limited2024
All specialist construction companies in Milford Haven · All trades in Milford Haven · Specialist contractors across the UK
Frequently asked questions
When are Ocon Fire & Security Limited's accounts due?
Ocon Fire & Security Limited's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Ocon Fire & Security 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 Ocon Fire & Security Limited still trading?
Ocon Fire & Security 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 Ocon Fire & Security Limited do?
Ocon Fire & Security Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Ocon Fire & Security Limited?
Ocon Fire & Security Limited was incorporated on 25 October 2006, 19 years ago.
Has Ocon Fire & Security Limited won public sector contracts?
Yes. Ocon Fire & Security Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £80K), most recently from Police and Crime Commissioner for Dyfed Powys.
What is the penalty if Ocon Fire & Security 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 Ocon Fire & Security 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.