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  3. CSS UK Group Limited

CSS UK Group Limited

ActiveTotal exemption (full) accountsCleaning companiesSheffiled
Company number
15328376
Incorporated
5 Dec 20232 years trading
Registered office
The Quadrant, 99 Parkway Avenue, Sheffiled, South Yorkshire, S9 4WG
Nature of business
Specialised cleaning services
Accounts due in
80 days
31 Dec 2026
Net assets
£9,199
At 31 Mar 2025
Cash at bank
£15K
At 31 Mar 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

CSS UK Group Limited is a 2-year-old private limited company registered in Sheffiled, company number 15328376, one of the UK's cleaning companies. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.

Key dates

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

Accounts due
31 Dec 2026
in 80 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 170 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 81 days
9 months and 1 day after the period end
Confirmation statement
18 Dec 2026
in 67 days
Last made up to 4 Dec 2025

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Financial snapshot, 2025

From the balance sheet at 31 March 2025, as filed at Companies House.

Net assets
£9,199
Cash at bank
£15K
Current assets
£31K
Owed within a year
£34K
Creditors due within one year
Employees
1
Average during the year, including directors

Who runs and owns CSS UK Group Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officer

NameRoleAppointed
C*** B***DirectorDec 2023

Person with significant control

Individual · since Dec 2023
C*** B***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where CSS UK Group Limited is registered

CSS UK Group Limited's registered office on a map of the UK

The registered office is in Sheffiled (S9), in the Sheffield local authority area, Yorkshire and The Humber. Show S9 4WG on a map.

Other trade companies in S9

Also registered at this address

11 other companies use the same registered office as CSS UK Group Limited.

What happens if CSS UK Group 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 31 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 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
15328376
Status
Active
Company type
Private limited company
Incorporated
5 December 2023 (2 years ago)
Registered office
The Quadrant, 99 Parkway Avenue, Sheffiled, South Yorkshire, S9 4WG
Nature of business
Specialised cleaning services (SIC 81222)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2025
Last confirmation statement
4 December 2025

Filing notes for cleaning companies

Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.

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Other active cleaning companies.

Cleaning companies across the UK

Frequently asked questions

When are CSS UK Group Limited's accounts due?

CSS UK Group Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.

When is CSS UK Group Limited's CT600 due?

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

Is CSS UK Group Limited still trading?

CSS UK Group 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 CSS UK Group Limited do?

CSS UK Group Limited is registered under Specialised cleaning services (SIC 81222).

How old is CSS UK Group Limited?

CSS UK Group Limited was incorporated on 5 December 2023, 2 years ago.

Who runs CSS UK Group Limited?

CSS UK Group Limited has 1 active director, the longest-serving appointed in Dec 2023. Their names and service addresses are on the Companies House register.

Who owns CSS UK Group Limited?

One person or company has significant control of CSS UK Group Limited: an individual (owns 75% or more of the shares).

What is the penalty if CSS UK Group 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 CSS UK Group 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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