- Companies
- Electricians
- Londonderry
- Tark Electrical Ltd
Tark Electrical Ltd
- Company number
- NI678896
- Incorporated
- 29 Apr 20215 years trading
- Registered office
- 7 Glenaden Hill, Altnagelvin, Londonderry, BT47 2LJ
- Nature of business
- Electrical installation
Tark Electrical Ltd is a 5-year-old private limited company registered in Londonderry, company number NI678896, one of 48 electrical contractors in Londonderry. 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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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 £63K (+7.4%) on the year before, to £924K.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £932K against £148K owed within a year: 6.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 5 years, 2022 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £924K | £124K | £932K | £148K | 2 |
| 31 Mar 2025 | £861K | £358K | £1.1M | £336K | 2 |
| 31 Mar 2024 | £166K | £306K | £143K | 1 | |
| 31 Mar 2023 | £64K | £117K | £61K | 0 | |
| 31 Mar 2022 | £1,308 | £13K | £19K | 0 |
Where Tark Electrical Ltd is registered
The registered office is in Londonderry (BT47), in the Derry City and Strabane local authority area, Northern Ireland. Show BT47 2LJ 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
What happens if Tark Electrical Ltd 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
- NI678896
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 April 2021 (5 years ago)
- Registered office
- 7 Glenaden Hill, Altnagelvin, Londonderry, BT47 2LJ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 14 March 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.
- TMC Electrics Ltd2026
- Volt Electrical Installations Ltd2025
- Voltaic Energy Ltd2021
- Voltex Engineering Ltd2024
- W&G Electrics Limited2022
- X9 Engineering Limited2025
- A.M.K Wind Ltd2025
- Barnailt Electrical Ltd2022
All electrical contractors in Londonderry · All trades in Londonderry · Electricians across the UK
Frequently asked questions
When are Tark Electrical Ltd's accounts due?
Tark Electrical Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Tark Electrical Ltd'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 Tark Electrical Ltd still trading?
Tark Electrical Ltd 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 Tark Electrical Ltd do?
Tark Electrical Ltd is registered under Electrical installation (SIC 43210).
How old is Tark Electrical Ltd?
Tark Electrical Ltd was incorporated on 29 April 2021, 5 years ago.
What is the penalty if Tark Electrical Ltd 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 Tark Electrical Ltd 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.