- Companies
- Electricians
- Londonderry
- Ohm Services Limited
Ohm Services Limited
- Company number
- NI708435
- Incorporated
- 16 Jan 20242 years trading
- Registered office
- 8 Columba Terrace, Londonderry, BT47 6JT
- Nature of business
- Electrical installation
Ohm Services Limited is a 2-year-old private limited company registered in Londonderry, company number NI708435, one of 48 electrical contractors in Londonderry. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 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 up £54K (+487.4%) on the year before, to £43K.
- Current assets of £65K against £24K owed within a year: 2.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £43K | £65K | £24K | 0 | |
| 31 Jan 2025 | -£11K | £10 | £10K | 0 |
Where Ohm Services Limited is registered
The registered office is in Londonderry (BT47), in the Derry City and Strabane local authority area, Northern Ireland. Show BT47 6JT on a map.
Other trade companies in BT47
- RNK Contracts LimitedGroundworks and demolition
- Den Electrical LtdElectricians
- BDK Consulting LimitedProperty developers
- Oakline Engineering LtdInstallers
- Killew Property Services LimitedFacilities management
- PH Autobody LimitedMechanics and garages
- C Doherty Autos LtdMechanics and garages
- CPMH LtdBuilders
Also registered at this address
3 other companies use the same registered office as Ohm Services Limited.
- Axle and Autos LimitedMotor traders
- FCC Property Group LimitedProperty developers
- TKC Quality Solutions LimitedSpecialist contractors
What happens if Ohm 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 31 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- NI708435
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 January 2024 (2 years ago)
- Registered office
- 8 Columba Terrace, Londonderry, BT47 6JT
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 15 January 2026
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 Londonderry
Other active electrical contractors registered in Londonderry.
- P Fallon Electrical Services Ltd2025
- Panelguard Ltd2026
- RMC Electrical Services Ireland Limited2024
- Sean Brolly Electrical Ltd2023
- Select Electrical & Security Services Ltd2013
- SKD Electrical Limited2023
- Slevin Electrical Ltd2025
- Tark Electrical Ltd2021
All electrical contractors in Londonderry · All trades in Londonderry · Electricians across the UK
Frequently asked questions
When are Ohm Services Limited's accounts due?
Ohm Services Limited's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is Ohm Services Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Ohm Services Limited still trading?
Ohm 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 Ohm Services Limited do?
Ohm Services Limited is registered under Electrical installation (SIC 43210).
How old is Ohm Services Limited?
Ohm Services Limited was incorporated on 16 January 2024, 2 years ago.
What is the penalty if Ohm 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 Ohm 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.