- Companies
- Electricians
- Llanelli
- Sykes Energy Services Limited
Sykes Energy Services Limited
- Company number
- 10378053
- Incorporated
- 15 Sep 201610 years trading
- Registered office
- Dura Park Yspitty Road, Bynea, Llanelli, Carmarthenshire, SA14 9TD
- Nature of business
- Electrical installation
Sykes Energy Services Limited is a 10-year-old private limited company registered in Llanelli, company number 10378053, one of 30 electrical contractors in Llanelli. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
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 unchanged on the year before, at -£2,636.
- Net assets rose in 0 of 8 year-on-year comparisons on record.
- Current assets of £27K against £28K owed within a year: 1.0 times cover.
- 5 employees on average, up from 3 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | -£2,636 | £3,308 | £27K | £28K | 5 |
| 30 Sep 2024 | -£2,636 | £3,308 | £27K | £28K | 3 |
| 30 Sep 2023 | -£2,636 | £3,308 | £27K | £28K | 4 |
| 30 Sep 2022 | -£2,636 | £3,308 | £27K | £28K | 1 |
| 30 Sep 2021 | -£2,636 | £3,308 | £27K | £28K | 3 |
| 30 Sep 2020 | £2,608 | £3,308 | £47K | £37K | 4 |
| 30 Sep 2019 | £2,608 | £3,308 | £47K | £37K | 5 |
| 30 Sep 2018 | £16K | £8,543 | £72K | £57K | |
| 30 Sep 2017 | £47K | £6,661 | £50K | £3,000 |
Where Sykes Energy Services Limited is registered
The registered office is in Llanelli (SA14), in the Carmarthenshire local authority area, Wales. Show SA14 9TD on a map.
Other trade companies in SA14
- Llanelli Service Centre LtdMechanics and garages
- Cavity Wall Extraction UK LtdBuilders
- CCS Repairs LtdMachinery repair and installation
- JP Bathroom Services LtdInstallers
- Uplands Realty LimitedProperty developers
- Plasnewydd Homes LimitedProperty developers
- Afon Tawe Retreats LtdProperty developers
- Osbournandjames LtdProperty developers
What happens if Sykes Energy 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 10378053
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 September 2016 (10 years ago)
- Registered office
- Dura Park Yspitty Road, Bynea, Llanelli, Carmarthenshire, SA14 9TD
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 14 September 2025
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 Llanelli
Other active electrical contractors registered in Llanelli.
- Tlporter Electrical Contractor Ltd2018
- Towy Electrical Company Limited1980
- Vaughan Sound Installations Limited1987
- Welspeed Engineering Limited2018
- Williams Electrical Contractors (Cymru) Ltd2015
- Williams Solar Ltd2023
- Wiring by Williams Ltd2024
- A-Z Electrical Install Limited2015
All electrical contractors in Llanelli · All trades in Llanelli · Electricians across the UK
Frequently asked questions
When are Sykes Energy Services Limited's accounts due?
Sykes Energy Services Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Sykes Energy Services Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Sykes Energy Services Limited still trading?
Sykes Energy Services Limited is listed as active on the Companies House register (checked 13 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 Sykes Energy Services Limited do?
Sykes Energy Services Limited is registered under Electrical installation (SIC 43210).
How old is Sykes Energy Services Limited?
Sykes Energy Services Limited was incorporated on 15 September 2016, 10 years ago.
What is the penalty if Sykes Energy 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 Sykes Energy Services Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.