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  4. MRJ Miller Limited

MRJ Miller Limited

ActiveNo accounts filed yet accountsCivil engineeringWinchester
Company number
16126418
Incorporated
9 Dec 20241 year trading
Registered office
39 Orchard Close, Colden Common, Winchester, SO21 1ST
Nature of business
Construction of roads and motorways
Accounts were due
9 Sep 2026
Check the register
From the Companies House register, 1 Oct 2026

MRJ Miller Limited is a 1-year-old private limited company registered in Winchester, company number 16126418, one of 16 civil engineering contractors in Winchester.

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
9 Sep 2026
Date passed; check the register for a filing since
For the period to 31 Dec 2025
CT600 due (first of two)
8 Dec 2026
in 56 days
Period 9 Dec 2024 to 8 Dec 2025
CT600 due (second of two)
31 Dec 2026
in 79 days
Period 9 Dec 2025 to 31 Dec 2025
Corporation tax payment
1 Oct 2026
Date passed
9 months and 1 day after the period end
Confirmation statement
22 Dec 2026
in 70 days
Last made up to 8 Dec 2025

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Where MRJ Miller Limited is registered

MRJ Miller Limited's registered office on a map of the UK

The registered office is in Winchester (SO21), in the Winchester local authority area, South East. Show SO21 1ST on a map.

Other trade companies in SO21

What happens if MRJ Miller 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 9 September 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late10 Sep 2026 to 9 Oct 2026£150
1 to 3 months late10 Oct 2026 to 9 Dec 2026£375
3 to 6 months late10 Dec 2026 to 9 Mar 2027£750
More than 6 months lateFrom 10 Mar 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jan 2027£200
3 months late31 Mar 2027another £200
6 months late30 Jun 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Dec 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
16126418
Status
Active
Company type
Private limited company
Incorporated
9 December 2024 (1 year ago)
Registered office
39 Orchard Close, Colden Common, Winchester, SO21 1ST
Nature of business
Construction of roads and motorways (SIC 42110)
Year end
31 December (accounting reference date)
Accounts type
No accounts filed yet
Last confirmation statement
8 December 2025

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 Winchester

Other active civil engineering contractors registered in Winchester.

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

Frequently asked questions

When are MRJ Miller Limited's accounts due?

The register showed MRJ Miller Limited's accounts as due on 9 September 2026. That date has passed; the Companies House register shows whether they have been filed since.

When is MRJ Miller 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 8 December 2025, due by 8 December 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.

Is MRJ Miller Limited still trading?

MRJ Miller 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 MRJ Miller Limited do?

MRJ Miller Limited is registered under Construction of roads and motorways (SIC 42110).

How old is MRJ Miller Limited?

MRJ Miller Limited was incorporated on 9 December 2024, 1 year ago.

What is the penalty if MRJ Miller 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 MRJ Miller 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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