- Companies
- Civil engineering
- Litlington
- Ithon Engineering Limited
Ithon Engineering Limited
- Company number
- 07541145
- Incorporated
- 24 Feb 201115 years trading
- Registered office
- C/O TC Thompson Taraz Rand Suite 20, New Cambridge House, Bassingbourn Road, Litlington, Cambridgeshire, SG8 0SS
- Nature of business
- Construction of other civil engineering projects n.e.c.
Ithon Engineering Limited is a 15-year-old private limited company registered in Litlington, company number 07541145, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 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 £9,750 (+19.5%) on the year before, to £60K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £71K against £33K owed within a year: 2.2 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 9 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Mar 2025 | £60K | £71K | £33K | 1 | |
| 30 Mar 2024 | £50K | £67K | £37K | 0 | |
| 31 Mar 2023 | £44K | £84K | £48K | 1 | |
| 31 Mar 2022 | £24K | £69K | £48K | 1 | |
| 31 Mar 2021 | £17K | £71K | £58K | 2 | |
| 31 Mar 2020 | £11K | £33K | £26K | 2 | |
| 31 Mar 2017 | £71 | £20K | £22K | ||
| 31 Mar 2016 | £76 | £10K | £10K | ||
| 31 Mar 2015 | £314 | £15K | £15K |
Who runs and owns Ithon Engineering Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| A*** W*** | Director | Feb 2011 |
| E*** P*** | Director | Apr 2016 |
People with significant control (2)
Where Ithon Engineering Limited is registered
The registered office is in Litlington (SG8), in the South Cambridgeshire local authority area, East of England. Show SG8 0SS on a map.
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21 other companies use the same registered office as Ithon Engineering Limited.
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What happens if Ithon Engineering 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 30 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Mar 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Mar 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
- 07541145
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 February 2011 (15 years ago)
- Registered office
- C/O TC Thompson Taraz Rand Suite 20, New Cambridge House, Bassingbourn Road, Litlington, Cambridgeshire, SG8 0SS
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 March 2025
- Last confirmation statement
- 6 March 2026
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 Litlington
Other active civil engineering contractors registered in Litlington.
- Concrete Cutting United Limited2011
- Sea Trek Ltd2011
- HJW Welding Limited2011
- Trojan Civils Ltd2011
- SHS Utilities Limited2011
- Mike Neesam & Son Limited2011
- Sean Rees Engineering Services Ltd2011
- F & M Construction (Lincoln) Limited2011
All civil engineering contractors in Litlington · All trades in Litlington · Civil engineering across the UK
Frequently asked questions
When are Ithon Engineering Limited's accounts due?
Ithon Engineering Limited's next accounts are due at Companies House by 30 December 2026 (in 79 days), covering the period to 30 March 2026.
When is Ithon Engineering Limited's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is Ithon Engineering Limited still trading?
Ithon Engineering 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 Ithon Engineering Limited do?
Ithon Engineering Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Ithon Engineering Limited?
Ithon Engineering Limited was incorporated on 24 February 2011, 15 years ago.
Who runs Ithon Engineering Limited?
Ithon Engineering Limited has 2 active directors, the longest-serving appointed in Feb 2011. Their names and service addresses are on the Companies House register.
Who owns Ithon Engineering Limited?
2 people or companies have significant control of Ithon Engineering Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Ithon Engineering 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 Ithon Engineering Limited 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.