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  4. Mark Slater Electrical Limited

Mark Slater Electrical Limited

ActiveUnaudited abridged accountsElectriciansLytham St Annes
Company number
04158018
Incorporated
12 Feb 200125 years trading
Registered office
1 Keepers Gate, Lytham St Annes, Lancashire, FY8 4FB
Nature of business
Electrical installation
Accounts due in
80 days
31 Dec 2026
Net assets
£2M▲
+8.8% on the year before
Cash at bank
£1.8M▲
At 31 Mar 2025
Employees
6
Average during the year
From the Companies House register, 1 Oct 2026

Mark Slater Electrical Limited is a 25-year-old private limited company registered in Lytham St Annes, company number 04158018, one of 7 electrical contractors in Lytham St Annes. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.

Key dates

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

Accounts due
31 Dec 2026
in 80 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 170 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 81 days
9 months and 1 day after the period end
Confirmation statement
26 Feb 2027
in 137 days
Last made up to 12 Feb 2026

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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 £163K (+8.8%) on the year before, to £2M.
  • Net assets rose in 8 of 9 year-on-year comparisons on record.
  • Current assets of £2.2M against £199K owed within a year: more than 10 times cover.
  • 6 employees on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£1M£2M31 March 2016: net assets £670K£670K201631 March 2017: net assets £798K£798K201731 March 2018: net assets £926K£926K201831 March 2019: net assets £1.1M£1.1M201931 March 2020: net assets £1.3M£1.3M202031 March 2021: net assets £1.3M£1.3M202131 March 2022: net assets £1.3M£1.3M202231 March 2023: net assets £1.6M£1.6M202331 March 2024: net assets £1.9M£1.9M202431 March 2025: net assets £2M£2M2025
Net assets at each year end, 2016 to 2025£0£1M£2M31 March 2016: net assets £670K£670K'1631 March 2017: net assets £798K£798K'1731 March 2018: net assets £926K£926K'1831 March 2019: net assets £1.1M£1.1M'1931 March 2020: net assets £1.3M£1.3M'2031 March 2021: net assets £1.3M£1.3M'2131 March 2022: net assets £1.3M£1.3M'2231 March 2023: net assets £1.6M£1.6M'2331 March 2024: net assets £1.9M£1.9M'2431 March 2025: net assets £2M£2M'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£2M£1.8M£2.2M£199K6
31 Mar 2024£1.9M£1.6M£2.1M£274K6
31 Mar 2023£1.6M£1.2M£1.8M£243K7
31 Mar 2022£1.3M£967K£1.4M£114K7
31 Mar 2021£1.3M£1.4M£137K7
31 Mar 2020£1.3M£1.1M£1.3M£117K8
31 Mar 2019£1.1M£1M£1.2M£155K8
31 Mar 2018£926K£828K£1M£136K8
31 Mar 2017£798K£849K£109K
31 Mar 2016£670K£566K£695K£99K

Where Mark Slater Electrical Limited is registered

Mark Slater Electrical Limited's registered office on a map of the UK

The registered office is in Lytham St Annes (FY8), in the Fylde local authority area, North West. Show FY8 4FB on a map.

Other trade companies in FY8

What happens if Mark Slater 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 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 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
04158018
Status
Active
Company type
Private limited company
Incorporated
12 February 2001 (25 years ago)
Registered office
1 Keepers Gate, Lytham St Annes, Lancashire, FY8 4FB
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 2025
Last confirmation statement
12 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.

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Frequently asked questions

When are Mark Slater Electrical Limited's accounts due?

Mark Slater Electrical Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.

When is Mark Slater Electrical Limited's CT600 due?

The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.

Is Mark Slater Electrical Limited still trading?

Mark Slater 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 Mark Slater Electrical Limited do?

Mark Slater Electrical Limited is registered under Electrical installation (SIC 43210).

How old is Mark Slater Electrical Limited?

Mark Slater Electrical Limited was incorporated on 12 February 2001, 25 years ago.

What is the penalty if Mark Slater 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 Mark Slater Electrical 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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