- Companies
- Specialist contractors
- Cardiff
- Mad Engineering Consulting Ltd
Mad Engineering Consulting Ltd
- Company number
- 06325885
- Incorporated
- 26 Jul 200719 years trading
- Registered office
- 29 Plasnewydd Flats, Ty-Newydd Whitchurch, Cardiff, CF14 1NR
- Nature of business
- Other specialised construction activities n.e.c.
Mad Engineering Consulting Ltd is a 19-year-old private limited company registered in Cardiff, company number 06325885, one of 173 specialist construction companies in Cardiff. 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 down £34 (-12.5%) on the year before, to £237.
- Net assets rose in 0 of 9 year-on-year comparisons on record.
- Current assets of £400 against £163 owed within a year: 2.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £237 | £400 | £163 | 0 | |
| 31 May 2024 | £271 | £400 | £129 | 0 | |
| 31 May 2023 | £284 | £400 | £116 | 0 | |
| 31 May 2022 | £297 | £400 | £103 | 0 | |
| 31 May 2021 | £310 | £400 | £90 | 0 | |
| 31 May 2020 | £323 | £400 | £77 | 0 | |
| 31 May 2019 | £336 | £400 | £64 | ||
| 31 May 2018 | £349 | £400 | £51 | ||
| 31 May 2017 | £362 | £400 | £38 | ||
| 31 May 2016 | £375 | £400 | £25 |
Where Mad Engineering Consulting Ltd is registered
The registered office is in Cardiff (CF14), in the Cardiff local authority area, Wales. Show CF14 1NR on a map.
Other trade companies in CF14
- Velren Group LtdProperty developers
- Premierroofcare LtdRoofers
- JLG Groundworks LtdCleaning companies
- Tidyvibz LtdCleaning companies
- Ayyappa MTD LtdBuilders
- KM Phoenix Pond, Garden & General Maintenance LtdLandscapers and gardeners
- Eco Green Property Service LtdFinishing trades
- S and J Accident Repairs LtdPainters and decorators
What happens if Mad Engineering Consulting 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
- 06325885
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 July 2007 (19 years ago)
- Registered office
- 29 Plasnewydd Flats, Ty-Newydd Whitchurch, Cardiff, CF14 1NR
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 26 July 2026
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.
- Main-Line Access Ltd2025
- Mandrew Construction Limited2014
- Marius & David Limited2015
- Mark James Landscaping Contractors Limited2016
- Mark Rand Site Services Limited2017
- MC Property Matanice Ltd2023
- MJC Consulting Group Ltd2025
- Morgan Project Solutions Ltd.2012
All specialist construction companies in Cardiff · All trades in Cardiff · Specialist contractors across the UK
Frequently asked questions
When are Mad Engineering Consulting Ltd's accounts due?
Mad Engineering Consulting 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 Mad Engineering Consulting 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 Mad Engineering Consulting Ltd still trading?
Mad Engineering Consulting 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 Mad Engineering Consulting Ltd do?
Mad Engineering Consulting Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Mad Engineering Consulting Ltd?
Mad Engineering Consulting Ltd was incorporated on 26 July 2007, 19 years ago.
What is the penalty if Mad Engineering Consulting 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 Mad Engineering Consulting 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.