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  4. NMK Power Ltd

NMK Power Ltd

ActiveNo accounts filed yet accountsElectriciansBlackburn
Company number
15923001
Incorporated
28 Aug 20242 years trading
Registered office
14 Louie Pollard Crescent, Great Harwood, Blackburn, BB6 7TG
Nature of business
Electrical installation
Accounts
Overdue
Were due 28 May 2026
Checked with Companies House 12 Oct 2026

NMK Power Ltd is a 2-year-old private limited company registered in Blackburn, company number 15923001, one of 59 electrical contractors in Blackburn. Companies House shows its accounts as overdue: they were due on 28 May 2026.

Key dates

This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.

Accounts due
28 May 2026
Overdue by 137 days
For the period to 31 Aug 2025
CT600 due (first of two)
27 Aug 2026
Date passed (HMRC does not publish filings)
Period 28 Aug 2024 to 27 Aug 2025
CT600 due (second of two)
31 Aug 2026
Date passed (HMRC does not publish filings)
Period 28 Aug 2025 to 31 Aug 2025
Corporation tax payment
1 Jun 2026
Date passed
9 months and 1 day after the period end
Confirmation statement
10 Sep 2027
in 333 days
Last made up to 27 Aug 2026

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Where NMK Power Ltd is registered

NMK Power Ltd's registered office on a map of the UK

The registered office is in Blackburn (BB6), in the Hyndburn local authority area, North West. Show BB6 7TG on a map.

Other trade companies in BB6

What happens if NMK Power Ltd files late

If the accounts reach Companies House today, the late filing penalty is £750 (£1,500 if last year's accounts were also late). It rises at each step below.

Companies HouseAccounts deliveredPenalty
Up to 1 month late29 May 2026 to 28 Jun 2026£150
1 to 3 months late29 Jun 2026 to 28 Aug 2026£375
3 to 6 months late29 Aug 2026 to 28 Nov 2026£750
More than 6 months lateFrom 29 Nov 2026£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Sep 2026£200
3 months late30 Nov 2026another £200
6 months late28 Feb 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Aug 2027another 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
15923001
Status
Active
Company type
Private limited company
Incorporated
28 August 2024 (2 years ago)
Registered office
14 Louie Pollard Crescent, Great Harwood, Blackburn, BB6 7TG
Nature of business
Electrical installation (SIC 43210)
Year end
31 August (accounting reference date)
Accounts type
No accounts filed yet
Last confirmation statement
27 August 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 Blackburn

Other active electrical contractors registered in Blackburn.

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

Frequently asked questions

When are NMK Power Ltd's accounts due?

NMK Power Ltd's accounts were due at Companies House on 28 May 2026 and the register shows them as overdue.

When is NMK Power Ltd's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 27 August 2025, due by 27 August 2026, and one for the period to 31 August 2025, due by 31 August 2026. Corporation tax is payable 9 months and 1 day after the end of each.

Is NMK Power Ltd still trading?

NMK Power Ltd is listed as active on the Companies House register (checked 12 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 NMK Power Ltd do?

NMK Power Ltd is registered under Electrical installation (SIC 43210).

How old is NMK Power Ltd?

NMK Power Ltd was incorporated on 28 August 2024, 2 years ago.

What is the penalty if NMK Power 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 NMK Power Ltd 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, rechecked 12 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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