- Company number
- 11335403
- Incorporated
- 28 Apr 20188 years trading
- Registered office
- 28B Manningtree Road, Ruislip, HA4 0ES
- Nature of business
- Construction of domestic buildings
Maximm Limited is a 8-year-old private limited company registered in Ruislip, company number 11335403, one of 161 building contractors in Ruislip. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
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 £2,365 (+49.7%) on the year before, to £7,122.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £11K against £2,966 owed within a year: 3.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £7,122 | £11K | £2,966 | 2 | |
| 30 Apr 2025 | £4,757 | £11K | £4,118 | 2 | |
| 30 Apr 2024 | £3,867 | £14K | £6,705 | 2 | |
| 30 Apr 2023 | £7,702 | £15K | £2,262 | 2 | |
| 30 Apr 2022 | £41 | £7,473 | £624 | 2 | |
| 30 Apr 2021 | £198 | £11K | £2,324 | 2 | |
| 30 Apr 2020 | £6,988 | £12K | £5,063 | 2 | |
| 30 Apr 2019 | £4,431 | £5,471 | £1,040 |
Where Maximm Limited is registered
The registered office is in Ruislip (HA4), in the Hillingdon local authority area, London. Show HA4 0ES on a map.
Other trade companies in HA4
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- DCR Industriltdal LtdPainters and decorators
- Katardino Monten for General Contracting and Supplies LtdCivil engineering
- Apex Build & Move LtdBuilders
- Ridgeway Building Contracts LimitedProperty developers
- Azya Farah LtdBuilders
- Howdens Roofing & Guttering LimitedRoofers
- Vetro Glazing LimitedGlaziers
What happens if Maximm 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 11335403
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 April 2018 (8 years ago)
- Registered office
- 28B Manningtree Road, Ruislip, HA4 0ES
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 27 April 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Ruislip
Other active building contractors registered in Ruislip.
- Mech Ejp Ltd2025
- Merkurum Ltd2025
- Metal Construct Ltd2026
- MF Drylining Ltd2023
- MG2M Construction Ltd2023
- Mid Sussex Builders Ltd2024
- Mill Lane Project Limited2016
- Model Home Developments Limited2025
All building contractors in Ruislip · All trades in Ruislip · Builders across the UK
Frequently asked questions
When are Maximm Limited's accounts due?
Maximm Limited's next accounts are due at Companies House by 31 January 2028 (in 476 days), covering the period to 30 April 2027.
When is Maximm Limited's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Maximm Limited still trading?
Maximm 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 Maximm Limited do?
Maximm Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Maximm Limited?
Maximm Limited was incorporated on 28 April 2018, 8 years ago.
What is the penalty if Maximm 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 Maximm 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.