- Companies
- Electricians
- Derry
- Harkin Electrical Limited
Harkin Electrical Limited
- Company number
- NI726566
- Incorporated
- 19 Feb 20251 year trading
- Registered office
- 6 Bayview Terrace, Derry, BT48 7EE
- Nature of business
- Electrical installation
Harkin Electrical Limited is a 1-year-old private limited company registered in Derry, company number NI726566, one of 23 electrical contractors in Derry. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
Where Harkin Electrical Limited is registered
The registered office is in Derry (BT48), in the Derry City and Strabane local authority area, Northern Ireland. Show BT48 7EE 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
Also registered at this address
9 other companies use the same registered office as Harkin Electrical Limited.
- B&G Brickworks LtdSpecialist contractors
- Epbm Developments LtdProperty developers
- Hetherington Plant Sales NI LtdCivil engineering
- Inchinagh Electrical LtdElectricians
- KBT Power Distribution LimitedElectricians
- MCD Plastering Services LtdPlasterers
- Riverview Builders LtdBuilders
- Tailored Facility Solutions LimitedFacilities management
- Uq ST LimitedProperty developers
What happens if Harkin Electrical 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- NI726566
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 February 2025 (1 year ago)
- Registered office
- 6 Bayview Terrace, Derry, BT48 7EE
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 18 February 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 Derry
Other active electrical contractors registered in Derry.
- HS Renewable Energy Ltd2021
- JMCG Engineering Ltd2024
- KBT Power Distribution Limited2025
- L Synnott Electrical Ltd2026
- Liveside Limited2011
- McClean Electrics Ltd2023
- MK Electrical (N.I) Ltd2019
- MMN Electrical Ltd2019
All electrical contractors in Derry · All trades in Derry · Electricians across the UK
Frequently asked questions
When are Harkin Electrical Limited's accounts due?
Harkin Electrical Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Harkin Electrical Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Harkin Electrical Limited still trading?
Harkin Electrical 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 Harkin Electrical Limited do?
Harkin Electrical Limited is registered under Electrical installation (SIC 43210).
How old is Harkin Electrical Limited?
Harkin Electrical Limited was incorporated on 19 February 2025, 1 year ago.
What is the penalty if Harkin Electrical 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 Harkin Electrical 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.