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  4. TRN Services Ltd

TRN Services Ltd

ActiveNo accounts filed yet accountsCivil engineeringWoolwich
Company number
16967405
Incorporated
16 Jan 2026
Registered office
103 Island Business Centre, 18 - 36 Wellington Street, Woolwich, London, SE18 6PF
Nature of business
Construction of utility projects for electricity and telecommunications; Electrical installation; Engineering related scientific and technical consulting activities
Accounts due in
369 days
16 Oct 2027
From the Companies House register, 1 Oct 2026

TRN Services Ltd is a newly incorporated private limited company registered in Woolwich, company number 16967405, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 16 October 2027, and its first CT600 is due at HMRC on 15 January 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
16 Oct 2027
in 369 days
For the period to 31 Jan 2027
CT600 due (first of two)
15 Jan 2028
in 460 days
Period 16 Jan 2026 to 15 Jan 2027
CT600 due (second of two)
31 Jan 2028
in 476 days
Period 16 Jan 2027 to 31 Jan 2027
Corporation tax payment
1 Nov 2027
in 385 days
9 months and 1 day after the period end
Confirmation statement
29 Jan 2027
in 109 days

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Where TRN Services Ltd is registered

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

The registered office is in Woolwich (SE18), in the Greenwich local authority area, London. Show SE18 6PF on a map.

Other trade companies in SE18

Also registered at this address

4 other companies use the same registered office as TRN Services Ltd.

What happens if TRN 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 16 October 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late17 Oct 2027 to 16 Nov 2027£150
1 to 3 months late17 Nov 2027 to 16 Jan 2028£375
3 to 6 months late17 Jan 2028 to 16 Apr 2028£750
More than 6 months lateFrom 17 Apr 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Feb 2028£200
3 months late30 Apr 2028another £200
6 months late31 Jul 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jan 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
16967405
Status
Active
Company type
Private limited company
Incorporated
16 January 2026
Registered office
103 Island Business Centre, 18 - 36 Wellington Street, Woolwich, London, SE18 6PF
Nature of business
Construction of utility projects for electricity and telecommunications (SIC 42220)
Electrical installation (SIC 43210)
Engineering related scientific and technical consulting activities (SIC 71122)
Year end
31 January (accounting reference date)
Accounts type
No accounts filed yet

Filing notes for civil engineering contractors

Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.

Similar companies in Woolwich

Other active civil engineering contractors registered in Woolwich.

All civil engineering contractors in Woolwich · All trades in Woolwich · Civil engineering across the UK

Frequently asked questions

When are TRN Services Ltd's accounts due?

TRN Services Ltd's next accounts are due at Companies House by 16 October 2027 (in 369 days), covering the period to 31 January 2027.

When is TRN 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 15 January 2027, due by 15 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.

Is TRN Services Ltd still trading?

TRN 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 TRN Services Ltd do?

TRN Services Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Electrical installation (SIC 43210); Engineering related scientific and technical consulting activities (SIC 71122).

How old is TRN Services Ltd?

TRN Services Ltd was incorporated on 16 January 2026, less than a year ago.

What is the penalty if TRN 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 TRN 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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