- Companies
- Machinery repair and installation
- Colchester
- Mountair Limited
Mountair Limited
- Company number
- 06708001
- Incorporated
- 25 Sep 200818 years trading
- Registered office
- Unit 3 Threshelfords Business Park Inworth Road, Feering, Colchester, CO5 9SE
- Nature of business
- Installation of industrial machinery and equipment
Mountair Limited is a 18-year-old private limited company registered in Colchester, company number 06708001, one of 97 machinery repair and installation companies in Colchester. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £13K (+553.6%) on the year before, to £15K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £286K against £251K owed within a year: 1.1 times cover.
- 7 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £15K | £152 | £286K | £251K | 7 |
| 30 Sep 2024 | £2,318 | £6,580 | £269K | £264K | 7 |
| 30 Sep 2023 | -£38K | £6,162 | £274K | £296K | 7 |
| 30 Sep 2022 | -£2,808 | £30K | £265K | £231K | 7 |
| 30 Sep 2021 | £216 | £14K | £240K | £156K | 7 |
| 30 Sep 2020 | -£10K | £1,317 | £162K | £76K | 4 |
| 30 Sep 2019 | £3,709 | £16K | £113K | £68K | 4 |
| 30 Sep 2018 | £24K | £93K | £321K | £244K | 3 |
| 30 Sep 2017 | £1,366 | £14K | £127K | £129K | 3 |
| 30 Sep 2016 | £1,631 | £10K | £85K | £87K |
Who runs and owns Mountair Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| D*** M*** | Director | Sep 2008 |
| N*** M*** | Secretary | Sep 2008 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Y*** A*** | Secretary | Sep 2008 | Sep 2008 |
| A*** A*** | Director | Sep 2008 | Sep 2008 |
People with significant control (2)
Charges (secured borrowing)
2 of 3 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Bizcap Limited | Outstanding | Sep 2026 |
| 4syte Funding Ltd | Outstanding | Nov 2018 |
| Lloyds Bank Commercial Finance Ltd | Satisfied May 2019 | Mar 2014 |
Where Mountair Limited is registered
The registered office is in Colchester (CO5), in the Braintree local authority area, East of England. Show CO5 9SE on a map.
Other trade companies in CO5
- Essex Kar Bodywork LimitedMechanics and garages
- Desmo Lifts LimitedInstallers
- Web Roofing and Property Maintenance LtdRoofers
- Breaking Ground LtdBuilders
- Buildwise Property LimitedFacilities management
- Azeem & Antony LimitedSpecialist contractors
- Blackwater Contracts LtdBuilders
- RMC Electrical Installations LimitedElectricians
Shared registered office
53 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Mountair 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 06708001
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 September 2008 (18 years ago)
- Registered office
- Unit 3 Threshelfords Business Park Inworth Road, Feering, Colchester, CO5 9SE
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 25 September 2026
- Charges (mortgages)
- 2 outstanding of 3 registered
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Colchester
Other active machinery repair and installation companies registered in Colchester.
- N1 Auto Electrics Limited2006
- NBK Repairs & Recycling Ltd2013
- NCN Leisure Ltd2021
- North Essex Forklifts Ltd2010
- One Five Two Vehicle Conversions Limited2016
- Paul B Halsall Limited2017
- Percival Engineering Limited2001
- Pipe & Tube Machines Limited2010
All machinery repair and installation companies in Colchester · All trades in Colchester · Machinery repair and installation across the UK
Frequently asked questions
When are Mountair Limited's accounts due?
Mountair Limited's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Mountair Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Mountair Limited still trading?
Mountair 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 Mountair Limited do?
Mountair Limited is registered under Installation of industrial machinery and equipment (SIC 33200).
How old is Mountair Limited?
Mountair Limited was incorporated on 25 September 2008, 18 years ago.
Who runs Mountair Limited?
Mountair Limited has 1 active director, the longest-serving appointed in Sep 2008. Their names and service addresses are on the Companies House register.
Who owns Mountair Limited?
2 people or companies have significant control of Mountair Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Mountair 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 Mountair 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.