- Company number
- 13481788
- Incorporated
- 28 Jun 20215 years trading
- Registered office
- 37 Salcot Crescent, Croydon, CR0 0JN
- Nature of business
- Construction of domestic buildings
Build With Ion Ltd is a 5-year-old private limited company registered in Croydon, company number 13481788, one of 362 building contractors in Croydon. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 up £101 (+52.6%) on the year before, to £293.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £967 against £63K owed within a year: 0.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £293 | £967 | £63K | 2 | |
| 31 May 2024 | £192 | £14K | £48K | 2 | |
| 31 May 2023 | £456 | £5,528 | £10K | 2 | |
| 31 May 2022 | £116 | £8,786 | £15K | 2 |
Who runs and owns Build With Ion Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| I*** G*** | Director | Jun 2021 |
Person with significant control
Where Build With Ion Ltd is registered
The registered office is in Croydon (CR0), in the Croydon local authority area, London. Show CR0 0JN on a map.
Other trade companies in CR0
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- Diyour-Self LtdFloor and wall tilers
- Premier Kitchen Installations LimitedJoiners and carpenters
- VR1 Construct LtdBuilders
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What happens if Build With Ion 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 13481788
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 June 2021 (5 years ago)
- Registered office
- 37 Salcot Crescent, Croydon, CR0 0JN
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 27 June 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 Croydon
Other active building contractors registered in Croydon.
- Buildfy Ltd2026
- Building Plus Company London Ltd2016
- Buildskill London Limited2025
- Buildwiser Construction Ltd2021
- Bulviz Development Ltd2018
- C I Sufaru Ltd2023
- Caesar Projects London Ltd2026
- Case Di Lusso Ltd2025
All building contractors in Croydon · All trades in Croydon · Builders across the UK
Frequently asked questions
When are Build With Ion Ltd's accounts due?
Build With Ion Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Build With Ion Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Build With Ion Ltd still trading?
Build With Ion 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 Build With Ion Ltd do?
Build With Ion Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Build With Ion Ltd?
Build With Ion Ltd was incorporated on 28 June 2021, 5 years ago.
Who runs Build With Ion Ltd?
Build With Ion Ltd has 1 active director, the longest-serving appointed in Jun 2021. Their names and service addresses are on the Companies House register.
Who owns Build With Ion Ltd?
One person or company has significant control of Build With Ion Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Build With Ion 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 Build With Ion 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.