- Companies
- Specialist contractors
- Londonderry
- Omega Mechanical Services Limited
Omega Mechanical Services Limited
- Company number
- NI026369
- Incorporated
- 3 Mar 199234 years trading
- Registered office
- 14 Balliniska Road, Londonderry, BT48 0NA
- Nature of business
- Other specialised construction activities n.e.c.
Omega Mechanical Services Limited is a 34-year-old private limited company registered in Londonderry, company number NI026369, one of 48 specialist construction companies in Londonderry. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
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 £132K (-14.7%) on the year before, to £765K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £905K against £134K owed within a year: 6.7 times cover.
- 3 employees on average, down from 5 the year before.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £765K | £905K | £134K | 3 | |
| 28 Feb 2025 | £896K | £1.2M | £244K | 5 | |
| 28 Feb 2024 | £751K | £940K | £257K | 3 | |
| 28 Feb 2023 | £549K | £770K | £278K | 10 | |
| 28 Feb 2022 | £540K | £1.7M | £1.3M | 9 | |
| 28 Feb 2021 | £589K | £722K | £1.4M | £1.1M | 16 |
| 28 Feb 2020 | £850K | £222K | £1.2M | £935K | 16 |
| 28 Feb 2019 | £600K | £75K | £1.4M | £992K | |
| 28 Feb 2018 | £1.4M | £169K | £1.1M | £1.2M | |
| 28 Feb 2017 | £1M | £54K | £596K | £1.2M |
Where Omega Mechanical Services Limited is registered
The registered office is in Londonderry (BT48), in the Derry City and Strabane local authority area, Northern Ireland. Show BT48 0NA on a map.
Other trade companies in BT48
- Neat & Nurtured Vics Cleaning LimitedCleaning companies
- Ked Brick & Blockwork LtdBuilders
- Zapcars LtdMotor traders
- TMC Electrics LtdElectricians
- Northern Diesels LtdMotor traders
- Coyle Reclamation & Salvage LtdSpecialist contractors
- George MCG Mechanical LtdElectricians
- KK Electrical Solutions Ireland LimitedElectricians
What happens if Omega Mechanical Services 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- NI026369
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 March 1992 (34 years ago)
- Registered office
- 14 Balliniska Road, Londonderry, BT48 0NA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 5 June 2026
- Charges (mortgages)
- 0 outstanding of 6 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 Londonderry
Other active specialist construction companies registered in Londonderry.
- Project Ceilings Ltd2019
- RLB Property Management Ltd2015
- Ruvigny (Northern Ireland) Ltd2001
- SJK Utility Services Ltd2019
- Skilled Contracts Ltd2018
- SMC Civils Ltd2021
- Suredrains Ltd2025
- Templemoyle Construction Limited2018
All specialist construction companies in Londonderry · All trades in Londonderry · Specialist contractors across the UK
Frequently asked questions
When are Omega Mechanical Services Limited's accounts due?
Omega Mechanical Services Limited's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is Omega Mechanical Services Limited's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Omega Mechanical Services Limited still trading?
Omega Mechanical Services 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 Omega Mechanical Services Limited do?
Omega Mechanical Services Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Omega Mechanical Services Limited?
Omega Mechanical Services Limited was incorporated on 3 March 1992, 34 years ago.
What is the penalty if Omega Mechanical Services 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 Omega Mechanical Services 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.