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Csuma Ltd

ActiveNo accounts filed yet accountsBuildersLuton
Company number
16099130
Incorporated
25 Nov 20241 year trading
Registered office
78 Montrose Avenue, Luton, LU3 1HS
Nature of business
Construction of domestic buildings
Accounts
Overdue
Were due 25 Aug 2026
Checked with Companies House 12 Oct 2026

Csuma Ltd is a 1-year-old private limited company registered in Luton, company number 16099130, one of 708 building contractors in Luton. Companies House shows its accounts as overdue: they were due on 25 August 2026.

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
25 Aug 2026
Overdue by 48 days
For the period to 30 Nov 2025
CT600 due (first of two)
24 Nov 2026
in 43 days
Period 25 Nov 2024 to 24 Nov 2025
CT600 due (second of two)
30 Nov 2026
in 49 days
Period 25 Nov 2025 to 30 Nov 2025
Corporation tax payment
1 Sep 2026
Date passed
9 months and 1 day after the period end
Confirmation statement
1 Sep 2026
Overdue by 41 days
Last made up to 18 Aug 2025

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Where Csuma Ltd is registered

Csuma Ltd's registered office on a map of the UK

The registered office is in Luton (LU3), in the Luton local authority area, East of England. Show LU3 1HS on a map.

Other trade companies in LU3

What happens if Csuma Ltd files late

If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.

Companies HouseAccounts deliveredPenalty
Up to 1 month late26 Aug 2026 to 25 Sep 2026£150
1 to 3 months late26 Sep 2026 to 25 Nov 2026£375
3 to 6 months late26 Nov 2026 to 25 Feb 2027£750
More than 6 months lateFrom 26 Feb 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Dec 2026£200
3 months late28 Feb 2027another £200
6 months late30 May 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Nov 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
16099130
Status
Active
Company type
Private limited company
Incorporated
25 November 2024 (1 year ago)
Registered office
78 Montrose Avenue, Luton, LU3 1HS
Nature of business
Construction of domestic buildings (SIC 41202)
Year end
30 November (accounting reference date)
Accounts type
No accounts filed yet
Last confirmation statement
18 August 2025

Filing notes for building contractors

Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.

Similar companies in Luton

Other active building contractors registered in Luton.

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Frequently asked questions

When are Csuma Ltd's accounts due?

Csuma Ltd's accounts were due at Companies House on 25 August 2026 and the register shows them as overdue.

When is Csuma 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 24 November 2025, due by 24 November 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.

Is Csuma Ltd still trading?

Csuma Ltd is listed as active on the Companies House register (checked 12 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 Csuma Ltd do?

Csuma Ltd is registered under Construction of domestic buildings (SIC 41202).

How old is Csuma Ltd?

Csuma Ltd was incorporated on 25 November 2024, 1 year ago.

What is the penalty if Csuma 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 Csuma 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, rechecked 12 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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