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  4. Rinrow Civil Engineering Ltd

Rinrow Civil Engineering Ltd

ActiveMicro-entity accountsCivil engineeringColchester
Company number
13435440
Incorporated
2 Jun 20215 years trading
Registered office
4 Laurel Walk, Colchester, CO4 6DA
Nature of business
Construction of other civil engineering projects n.e.c.; Other engineering activities; Other activities of employment placement agencies; Temporary employment agency activities
Accounts due in
170 days
31 Mar 2027
Net assets
£135K▲
+34.3% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Rinrow Civil Engineering Ltd is a 5-year-old private limited company registered in Colchester, company number 13435440, one of 103 civil engineering contractors in Colchester. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Mar 2027
in 170 days
For the period to 30 Jun 2026
CT600 due
30 Jun 2027
in 261 days
Period 1 Jul 2025 to 30 Jun 2026
Corporation tax payment
1 Apr 2027
in 171 days
9 months and 1 day after the period end
Confirmation statement
30 Oct 2026
in 18 days
Last made up to 16 Oct 2025

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Finances

From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.

  • Net assets up £35K (+34.3%) on the year before, to £135K.
  • Net assets rose in 3 of 3 year-on-year comparisons on record.
  • Current assets of £131K against £23K owed within a year: 5.6 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 4 years, 2022 to 2025.

Net assets by year

Net assets at each year end, 2022 to 2025£0£50K£100K30 June 2022: net assets £34K£34K202230 June 2023: net assets £52K£52K202330 June 2024: net assets £101K£101K202430 June 2025: net assets £135K£135K2025
Net assets at each year end, 2022 to 2025£0£50K£100K30 June 2022: net assets £34K£34K202230 June 2023: net assets £52K£52K202330 June 2024: net assets £101K£101K202430 June 2025: net assets £135K£135K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Jun 2025£135K£131K£23K1
30 Jun 2024£101K£126K£24K1
30 Jun 2023£52K£79K£28K1
30 Jun 2022£34K£63K£29K1

Where Rinrow Civil Engineering Ltd is registered

Rinrow Civil Engineering Ltd's registered office on a map of the UK

The registered office is in Colchester (CO4), in the Colchester local authority area, East of England. Show CO4 6DA on a map.

Other trade companies in CO4

What happens if Rinrow Civil Engineering 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 31 March 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Apr 2027 to 30 Apr 2027£150
1 to 3 months late1 May 2027 to 30 Jun 2027£375
3 to 6 months late1 Jul 2027 to 30 Sep 2027£750
More than 6 months lateFrom 1 Oct 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jul 2027£200
3 months late30 Sep 2027another £200
6 months late30 Dec 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Jun 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
13435440
Status
Active
Company type
Private limited company
Incorporated
2 June 2021 (5 years ago)
Registered office
4 Laurel Walk, Colchester, CO4 6DA
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Other engineering activities (SIC 71129)
Other activities of employment placement agencies (SIC 78109)
Temporary employment agency activities (SIC 78200)
Year end
30 June (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 June 2025
Last confirmation statement
16 October 2025
Charges (mortgages)
1 outstanding of 1 registered

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 Colchester

Other active civil engineering contractors registered in Colchester.

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

Frequently asked questions

When are Rinrow Civil Engineering Ltd's accounts due?

Rinrow Civil Engineering Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.

When is Rinrow Civil Engineering Ltd's CT600 due?

The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.

Is Rinrow Civil Engineering Ltd still trading?

Rinrow Civil Engineering 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 Rinrow Civil Engineering Ltd do?

Rinrow Civil Engineering Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Other engineering activities (SIC 71129); Other activities of employment placement agencies (SIC 78109); Temporary employment agency activities (SIC 78200).

How old is Rinrow Civil Engineering Ltd?

Rinrow Civil Engineering Ltd was incorporated on 2 June 2021, 5 years ago.

What is the penalty if Rinrow Civil Engineering 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 Rinrow Civil Engineering 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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