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  4. GMK Maintenance Services Ltd

GMK Maintenance Services Ltd

ActiveNo accounts filed yet accountsElectriciansDungannon
Company number
NI741977
Incorporated
3 Jul 2026
Registered office
16 Church Street, Dungannon, Co. Tyrone, BT71 6AB
Nature of business
Electrical installation
Accounts due in
538 days
3 Apr 2028
From the Companies House register, 1 Oct 2026

GMK Maintenance Services Ltd is a newly incorporated private limited company registered in Dungannon, company number NI741977, one of 44 electrical contractors in Dungannon. Its next accounts are due at Companies House on 3 April 2028, and its first CT600 is due at HMRC on 2 July 2028.

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
3 Apr 2028
in 538 days
For the period to 31 Jul 2027
CT600 due (first of two)
2 Jul 2028
in 628 days
Period 3 Jul 2026 to 2 Jul 2027
CT600 due (second of two)
31 Jul 2028
in 657 days
Period 3 Jul 2027 to 31 Jul 2027
Corporation tax payment
1 May 2028
in 566 days
9 months and 1 day after the period end
Confirmation statement
16 Jul 2027
in 276 days

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Who runs and owns GMK Maintenance Services Ltd

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officers (2)

NameRoleAppointed
G*** M***DirectorJul 2026
G*** M***SecretaryJul 2026

Person with significant control

Individual · since Jul 2026
G*** M***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where GMK Maintenance Services Ltd is registered

GMK Maintenance Services Ltd's registered office on a map of the UK

The registered office is in Dungannon (BT71), in the Mid Ulster local authority area, Northern Ireland. Show BT71 6AB on a map.

Other trade companies in BT71

Also registered at this address

10 other companies use the same registered office as GMK Maintenance Services Ltd.

What happens if GMK Maintenance Services 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 3 April 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late4 Apr 2028 to 3 May 2028£150
1 to 3 months late4 May 2028 to 3 Jul 2028£375
3 to 6 months late4 Jul 2028 to 3 Oct 2028£750
More than 6 months lateFrom 4 Oct 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Aug 2028£200
3 months late31 Oct 2028another £200
6 months late31 Jan 2029HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jul 2029another 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
NI741977
Status
Active
Company type
Private limited company
Incorporated
3 July 2026
Registered office
16 Church Street, Dungannon, Co. Tyrone, BT71 6AB
Nature of business
Electrical installation (SIC 43210)
Year end
31 July (accounting reference date)
Accounts type
No accounts filed yet

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 Dungannon

Other active electrical contractors registered in Dungannon.

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

Frequently asked questions

When are GMK Maintenance Services Ltd's accounts due?

GMK Maintenance Services Ltd's next accounts are due at Companies House by 3 April 2028 (in 538 days), covering the period to 31 July 2027.

When is GMK Maintenance Services 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 2 July 2027, due by 2 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.

Is GMK Maintenance Services Ltd still trading?

GMK Maintenance Services 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 GMK Maintenance Services Ltd do?

GMK Maintenance Services Ltd is registered under Electrical installation (SIC 43210).

How old is GMK Maintenance Services Ltd?

GMK Maintenance Services Ltd was incorporated on 3 July 2026, less than a year ago.

Who runs GMK Maintenance Services Ltd?

GMK Maintenance Services Ltd has 1 active director, the longest-serving appointed in Jul 2026. Their names and service addresses are on the Companies House register.

Who owns GMK Maintenance Services Ltd?

One person or company has significant control of GMK Maintenance Services Ltd: an individual (owns 75% or more of the shares).

What is the penalty if GMK Maintenance Services 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 GMK Maintenance Services 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). 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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