- Company number
- 11478195
- Incorporated
- 23 Jul 20188 years trading
- Registered office
- 163 Rivulet Road, London, N17 7JH
- Nature of business
- Construction of domestic buildings
Cata Ion Serv Ltd is a 8-year-old private limited company registered in London, company number 11478195, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 29 April 2027, and the CT600 for the period to 29 July 2026 is due at HMRC on 29 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 down £1,680 (-115.5%) on the year before, to -£226.
- Net assets rose in 1 of 6 year-on-year comparisons on record.
- Current assets of £11K against £5,324 owed within a year: 2.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | -£226 | £11K | £5,324 | 1 | |
| 31 Jul 2024 | £1,454 | £13K | £5,324 | 1 | |
| 31 Jul 2023 | £3,273 | £1,876 | £15K | £5,281 | 1 |
| 31 Jul 2022 | -£1,437 | £1 | £8,257 | £3,694 | 1 |
| 31 Jul 2021 | £369 | £88 | £10K | £3,694 | 1 |
| 31 Jul 2020 | £511 | £212 | £9,839 | £3,328 | 1 |
| 31 Jul 2019 | £1,123 | £3 | £3,708 | £2,585 | 1 |
Who runs and owns Cata Ion Serv Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| C*** C*** | Director | Jul 2018 |
Person with significant control
Where Cata Ion Serv Ltd is registered
The registered office is in London (N17), in the Haringey local authority area, London. Show N17 7JH on a map.
Other trade companies in N17
- JKL Building & Maintenance LtdFinishing trades
- Vas-Vent LtdSpecialist contractors
- Zbrsons LtdMotor traders
- Bally 33 LtdBuilders
- Abcd Cleaning LtdCleaning companies
- Mie Cleaning Solutions LtdCleaning companies
- Worklane LtdRoofers
- Figzu LtdCleaning companies
What happens if Cata Ion Serv 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 29 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Apr 2027 to 29 May 2027 | £150 |
| 1 to 3 months late | 30 May 2027 to 29 Jul 2027 | £375 |
| 3 to 6 months late | 30 Jul 2027 to 29 Oct 2027 | £750 |
| More than 6 months late | From 30 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Jul 2027 | £200 |
| 3 months late | 29 Oct 2027 | another £200 |
| 6 months late | 29 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Jul 2028 | another 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
- 11478195
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 July 2018 (8 years ago)
- Registered office
- 163 Rivulet Road, London, N17 7JH
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 29 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 19 July 2026
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 London
Other active building contractors registered in London.
- Cataleya Construction Ltd2020
- Catalin Extension & Refurbs Ltd2024
- Catalin Services Ltd2018
- Catcib Electrical Ltd2024
- Cate Distribution Limited2026
- Catto & Co Construction Ltd2020
- Cav Refurbishment Limited2019
- Cavari Developments Ltd2025
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Cata Ion Serv Ltd's accounts due?
Cata Ion Serv Ltd's next accounts are due at Companies House by 29 April 2027 (in 198 days), covering the period to 29 July 2026.
When is Cata Ion Serv Ltd's CT600 due?
The CT600 for the period to 29 July 2026 is due at HMRC by 29 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 April 2027.
Is Cata Ion Serv Ltd still trading?
Cata Ion Serv 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 Cata Ion Serv Ltd do?
Cata Ion Serv Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Cata Ion Serv Ltd?
Cata Ion Serv Ltd was incorporated on 23 July 2018, 8 years ago.
Who runs Cata Ion Serv Ltd?
Cata Ion Serv Ltd has 1 active director, the longest-serving appointed in Jul 2018. Their names and service addresses are on the Companies House register.
Who owns Cata Ion Serv Ltd?
One person or company has significant control of Cata Ion Serv Ltd: an individual (has significant influence or control).
What is the penalty if Cata Ion Serv 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 Cata Ion Serv Ltd on Companies House for filed documents, officers and the full history.
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.