- Companies
- Specialist contractors
- Cardiff
- Ias Construction & Maintenance Limited
Ias Construction & Maintenance Limited
- Company number
- 11009604
- Incorporated
- 12 Oct 20179 years trading
- Registered office
- Fairholme ST. Mellons Road, Marshfield, Cardiff, Newport, CF3 2TX
- Nature of business
- Other specialised construction activities n.e.c.
Ias Construction & Maintenance Limited is a 9-year-old private limited company registered in Cardiff, company number 11009604, one of 173 specialist construction companies in Cardiff. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £998K (+112.6%) on the year before, to £112K.
- Net assets rose in 6 of 7 year-on-year comparisons on record.
- Current assets of £521K against £527K owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £112K | £137K | £521K | £527K | 0 |
| 31 Oct 2024 | -£886K | £120K | £190K | £1.1M | 5 |
| 31 Oct 2023 | £82K | £40K | £281K | £197K | 0 |
| 31 Oct 2022 | £55K | £163K | £317K | £254K | 0 |
| 31 Oct 2021 | £22K | £126K | £312K | £303K | 0 |
| 31 Oct 2020 | £15K | £82K | £221K | £222K | 0 |
| 31 Oct 2019 | £6,304 | £10K | £82K | £76K | 0 |
| 31 Oct 2018 | £2,064 | £23K | £163K | £162K | 2 |
Where Ias Construction & Maintenance Limited is registered
The registered office is in Cardiff (CF3), in the Newport local authority area, Wales. Show CF3 2TX on a map.
Other trade companies in CF3
- Ions Trade & Projects LtdInstallers
- Fly Tech LtdMachinery repair and installation
- Dragonfly Site Services LtdSpecialist contractors
- Arc Energy Systems LtdElectricians
- Floyd’S Consultants LtdProperty developers
- Blues Mechanical LtdInstallers
- Climate Control Cardiff LtdPlumbers and heating engineers
- Campo & Co Developments LtdBuilders
What happens if Ias Construction & Maintenance 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 11009604
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 October 2017 (9 years ago)
- Registered office
- Fairholme ST. Mellons Road, Marshfield, Cardiff, Newport, CF3 2TX
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 11 October 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Cardiff
Other active specialist construction companies registered in Cardiff.
- Ikennaji Investment Ltd2019
- Inavision Construction Ltd2024
- Inavision Maintenance Ltd2025
- Infinite Solutions (Cardiff) Limited2019
- J Oliver Contractors Ltd2012
- J Smith Maintenance Services Ltd2023
- J.M. Walden Limited2005
- JJB Steel and Lifting Limited2023
All specialist construction companies in Cardiff · All trades in Cardiff · Specialist contractors across the UK
Frequently asked questions
When are Ias Construction & Maintenance Limited's accounts due?
Ias Construction & Maintenance Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Ias Construction & Maintenance Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Ias Construction & Maintenance Limited still trading?
Ias Construction & Maintenance 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 Ias Construction & Maintenance Limited do?
Ias Construction & Maintenance Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Ias Construction & Maintenance Limited?
Ias Construction & Maintenance Limited was incorporated on 12 October 2017, 9 years ago.
What is the penalty if Ias Construction & Maintenance 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 Ias Construction & Maintenance 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.