- Companies
- Installers
- Mondoso Ltd
Mondoso Ltd
- Company number
- 14279403
- Incorporated
- 5 Aug 20224 years trading
- Registered office
- Oak 10 Centrix House, Crow Lane East, Newton le Willows, WA12 9UY
- Nature of business
- Other construction installation; Glazing
Mondoso Ltd is a 4-year-old private limited company registered in Newton le Willows, company number 14279403, one of the UK's installation companies (insulation, lifts, shutters and similar). Companies House shows its accounts as overdue: they were due on 31 May 2026.
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 £25K (-88.4%) on the year before, to £3,231.
- Current assets of £155K against £152K owed within a year: 1.0 times cover.
- 6 employees on average, down from 7 the year before.
- Balance sheets on record for 2 years, 2023 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2024 | £3,231 | £155K | £152K | 6 | |
| 31 Aug 2023 | £28K | £92K | £64K | 7 |
Where Mondoso Ltd is registered
The registered office is in Newton le Willows (WA12), in the St. Helens local authority area, North West. Show WA12 9UY on a map.
Other trade companies in WA12
- Pyramid Drylining LtdPlasterers
- Keng Cars LtdMotor traders
- Vip Doors and Windows LtdGlaziers
- Pink Elephant Projects LtdPlumbers and heating engineers
- RMR Site Services LtdCivil engineering
- Restorehouse LtdRepair services
- Lunar Trading Supply LtdMotor traders
- Vanacar LtdMotor traders
Also registered at this address
3 other companies use the same registered office as Mondoso Ltd.
- CVR Diagnostics LimitedMechanics and garages
- MJ Industrial Roofing & Cladding LimitedProperty developers
- Nextgear Motors LtdMotor traders
What happens if Mondoso Ltd files late
If the accounts reach Companies House today, the late filing penalty is £750 (£1,500 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2026 to 30 Jun 2026 | £150 |
| 1 to 3 months late | 1 Jul 2026 to 31 Aug 2026 | £375 |
| 3 to 6 months late | 1 Sep 2026 to 30 Nov 2026 | £750 |
| More than 6 months late | From 1 Dec 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2026 | £200 |
| 3 months late | 30 Nov 2026 | another £200 |
| 6 months late | 28 Feb 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2027 | 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
- 14279403
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 August 2022 (4 years ago)
- Registered office
- Oak 10 Centrix House, Crow Lane East, Newton le Willows, WA12 9UY
- Nature of business
- Other construction installation (SIC 43290)
Glazing (SIC 43342) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2024
- Last confirmation statement
- 8 March 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies
Other active installation companies (insulation, lifts, shutters and similar).
Frequently asked questions
When are Mondoso Ltd's accounts due?
Mondoso Ltd's accounts were due at Companies House on 31 May 2026 and the register shows them as overdue.
When is Mondoso Ltd's CT600 due?
The CT600 for the period to 31 August 2025 is due at HMRC by 31 August 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2026.
Is Mondoso Ltd still trading?
Mondoso Ltd is listed as active on the Companies House register (checked 13 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 Mondoso Ltd do?
Mondoso Ltd is registered under Other construction installation (SIC 43290); Glazing (SIC 43342).
How old is Mondoso Ltd?
Mondoso Ltd was incorporated on 5 August 2022, 4 years ago.
What is the penalty if Mondoso 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 Mondoso Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.