- Companies
- Plumbers and heating engineers
- Dungannon
- Omc Plumbing Limited
Omc Plumbing Limited
- Company number
- NI629329
- Incorporated
- 12 Feb 201511 years trading
- Registered office
- 44B Edendoit Road, Dungannon, BT70 2RW
- Nature of business
- Plumbing, heat and air-conditioning installation
Omc Plumbing Limited is a 11-year-old private limited company registered in Dungannon, company number NI629329, one of 30 plumbing and heating companies in Dungannon. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Omc Plumbing LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 up £49K on the year before, to £52K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £103K against £116K owed within a year: 0.9 times cover.
- 6 employees on average during the year.
- 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 Aug 2025 | £52K | £103K | £116K | 6 | |
| 31 Aug 2024 | £3,279 | £114K | £131K | 6 | |
| 31 Aug 2023 | £19K | £151K | £146K | 5 | |
| 31 Aug 2022 | £556 | £119K | £119K | 5 | |
| 31 Aug 2021 | £2,812 | £101K | £90K | 4 | |
| 31 Aug 2020 | £23K | £118K | £79K | 4 | |
| 31 Aug 2019 | £17K | £61K | £52K | 4 | |
| 28 Feb 2018 | £5,447 | £55K | £59K | ||
| 28 Feb 2017 | £10K | £60K | £59K | ||
| 29 Feb 2016 | £11K | £137 | £63K | £59K |
Who runs and owns Omc Plumbing Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| D*** M*** | Director | Feb 2015 |
| A*** O*** | Director | Feb 2015 |
People with significant control (2)
Where Omc Plumbing Limited is registered
The registered office is in Dungannon (BT70), in the Mid Ulster local authority area, Northern Ireland. Show BT70 2RW on a map.
Other trade companies in BT70
- MCG Brickwork (Irl) LtdBuilders
- Creteworx (N.I.) LtdCivil engineering
- Ralph Burrows & Sons LtdSpecialist contractors
- Tyrone Bricklayers LtdBuilders
- D Blake Electrical LtdElectricians
- Harform LtdCivil engineering
- McNally Groundworks LtdGroundworks and demolition
- Top Landscapes & Gardening LimitedLandscapers and gardeners
What happens if Omc Plumbing 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- NI629329
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 February 2015 (11 years ago)
- Registered office
- 44B Edendoit Road, Dungannon, BT70 2RW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 12 February 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Dungannon
Other active plumbing and heating companies registered in Dungannon.
- P D Plumbing & Heating Ltd2002
- PHS (NI) Limited2012
- QMS Services Ireland Ltd2025
- RMK Bathrooms Ltd2022
- S Cullen Plumbing Ltd2026
- SMG Mechanical Ltd2025
- Sydney Brown & Son Ltd2003
- Synk Bathrooms Ltd2023
All plumbing and heating companies in Dungannon · All trades in Dungannon · Plumbers and heating engineers across the UK
Frequently asked questions
When are Omc Plumbing Limited's accounts due?
Omc Plumbing Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Omc Plumbing Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Omc Plumbing Limited still trading?
Omc Plumbing 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 Omc Plumbing Limited do?
Omc Plumbing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Omc Plumbing Limited?
Omc Plumbing Limited was incorporated on 12 February 2015, 11 years ago.
Who runs Omc Plumbing Limited?
Omc Plumbing Limited has 2 active directors, the longest-serving appointed in Feb 2015. Their names and service addresses are on the Companies House register.
Who owns Omc Plumbing Limited?
2 people or companies have significant control of Omc Plumbing Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Omc Plumbing 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 Omc Plumbing 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.