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  4. S6Energy Limited

S6Energy Limited

ActiveTotal exemption (full) accountsElectriciansGrays
Company number
12954175
Incorporated
15 Oct 20205 years trading
Registered office
Merrydale Works, Linford Road, Grays, RM16 4LQ
Nature of business
Electrical installation; Other construction installation; Other specialised construction activities n.e.c.
Accounts due in
18 days
31 Oct 2026
Net assets
£251▲
+318.3% on the year before
Cash at bank
£125▼
At 31 Oct 2024
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

S6Energy Limited is a 5-year-old private limited company registered in Grays, company number 12954175, one of 100 electrical contractors in Grays. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 2026.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Oct 2026
in 18 days
For the period to 31 Jan 2026
CT600 due (first of two)
31 Oct 2026
in 18 days
Period 1 Nov 2024 to 31 Oct 2025
CT600 due (second of two)
31 Jan 2027
in 110 days
Period 1 Nov 2025 to 31 Jan 2026
Corporation tax payment
1 Nov 2026
in 19 days
9 months and 1 day after the period end
Confirmation statement
28 Oct 2026
in 15 days
Last made up to 14 Oct 2025

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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 £191 (+318.3%) on the year before, to £251.
  • Net assets rose in 2 of 3 year-on-year comparisons on record.
  • Current assets of £3,941 against £3,690 owed within a year: 1.1 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 4 years, 2021 to 2024.

Net assets by year

Net assets at each year end, 2021 to 2024£0£1,00031 October 2021: net assets £1,860£1,860202131 October 2022: net assets £20£20202231 October 2023: net assets £60£60202331 October 2024: net assets £251£2512024
Net assets at each year end, 2021 to 2024£0£1,00031 October 2021: net assets £1,860£1,860202131 October 2022: net assets £20£20202231 October 2023: net assets £60£60202331 October 2024: net assets £251£2512024
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Oct 2024£251£125£3,941£3,6901
31 Oct 2023£60£1,536£2,037£1,9771
31 Oct 2022£20£2,310£2,311£2,2911
31 Oct 2021£1,860£12K£9,7031

Where S6Energy Limited is registered

S6Energy Limited's registered office on a map of the UK

The registered office is in Grays (RM16), in the Thurrock local authority area, East of England. Show RM16 4LQ on a map.

Other trade companies in RM16

What happens if S6Energy 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 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Nov 2026 to 30 Nov 2026£150
1 to 3 months late1 Dec 2026 to 31 Jan 2027£375
3 to 6 months late1 Feb 2027 to 30 Apr 2027£750
More than 6 months lateFrom 1 May 2027£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Feb 2027£200
3 months late30 Apr 2027another £200
6 months late31 Jul 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jan 2028another 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
12954175
Status
Active
Company type
Private limited company
Incorporated
15 October 2020 (5 years ago)
Registered office
Merrydale Works, Linford Road, Grays, RM16 4LQ
Nature of business
Electrical installation (SIC 43210)
Other construction installation (SIC 43290)
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 October (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 October 2024
Last confirmation statement
14 October 2025
Previous names
Qualityooze Ltd (until 18 Dec 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 Grays

Other active electrical contractors registered in Grays.

All electrical contractors in Grays · All trades in Grays · Electricians across the UK

Frequently asked questions

When are S6Energy Limited's accounts due?

S6Energy Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.

When is S6Energy Limited's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is S6Energy Limited still trading?

S6Energy 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 S6Energy Limited do?

S6Energy Limited is registered under Electrical installation (SIC 43210); Other construction installation (SIC 43290); Other specialised construction activities n.e.c. (SIC 43999).

How old is S6Energy Limited?

S6Energy Limited was incorporated on 15 October 2020, 5 years ago.

What is the penalty if S6Energy 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 S6Energy Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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