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  4. CJR Site Services Ltd

CJR Site Services Ltd

ActiveNo accounts filed yet accountsCivil engineeringKing's Lynn
Company number
16803314
Incorporated
22 Oct 2025
Registered office
Unit 21, Horsleys Fields, King's Lynn, Norfolk, PE30 5DD
Nature of business
Construction of other civil engineering projects n.e.c.; Engineering design activities for industrial process and production
Accounts due in
199 days
30 Apr 2027
From the Companies House register, 1 Oct 2026

CJR Site Services Ltd is a newly incorporated private limited company registered in King's Lynn, company number 16803314, one of 30 civil engineering contractors in King's Lynn. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.

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
30 Apr 2027
in 199 days
For the period to 31 Jul 2026
CT600 due
31 Jul 2027
in 291 days
Period 22 Oct 2025 to 31 Jul 2026
Corporation tax payment
1 May 2027
in 200 days
9 months and 1 day after the period end
Confirmation statement
4 Nov 2026
in 22 days

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Where CJR Site Services Ltd is registered

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

The registered office is in King's Lynn (PE30), in the King's Lynn and West Norfolk local authority area, East of England. Show PE30 5DD on a map.

Other trade companies in PE30

Shared registered office

28 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.

What happens if CJR Site 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 30 April 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 May 2027 to 31 May 2027£150
1 to 3 months late1 Jun 2027 to 31 Jul 2027£375
3 to 6 months late1 Aug 2027 to 31 Oct 2027£750
More than 6 months lateFrom 1 Nov 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Aug 2027£200
3 months late31 Oct 2027another £200
6 months late31 Jan 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jul 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
16803314
Status
Active
Company type
Private limited company
Incorporated
22 October 2025
Registered office
Unit 21, Horsleys Fields, King's Lynn, Norfolk, PE30 5DD
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Engineering design activities for industrial process and production (SIC 71121)
Year end
31 July (accounting reference date)
Accounts type
No accounts filed yet
Previous names
CJR Site Engineering Ltd (until 23 Oct 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 King's Lynn

Other active civil engineering contractors registered in King's Lynn.

All civil engineering contractors in King's Lynn · All trades in King's Lynn · Civil engineering across the UK

Frequently asked questions

When are CJR Site Services Ltd's accounts due?

CJR Site Services Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.

When is CJR Site Services Ltd's CT600 due?

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

Is CJR Site Services Ltd still trading?

CJR Site 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 CJR Site Services Ltd do?

CJR Site Services Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Engineering design activities for industrial process and production (SIC 71121).

How old is CJR Site Services Ltd?

CJR Site Services Ltd was incorporated on 22 October 2025, less than a year ago.

What is the penalty if CJR Site 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 CJR Site 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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