- Company number
- 14890555
- Incorporated
- 24 May 20233 years trading
- Registered office
- 6 Butts Court, Leeds, LS1 5JS
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Arm40 Ltd is a 3-year-old private limited company registered in Leeds, company number 14890555, one of 532 building contractors in Leeds. 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 £11K (-8%) on the year before, to £131K.
- Current assets of £246K against £175K owed within a year: 1.4 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £131K | £51K | £246K | £175K | 2 |
| 31 May 2024 | £143K | £236K | £288K | £169K | 2 |
Where Arm40 Ltd is registered
The registered office is in Leeds (LS1), in the Leeds local authority area, Yorkshire and The Humber. Show LS1 5JS on a map.
Other trade companies in LS1
- Gridlink Infrastructure LtdCivil engineering
- Kleos Homes LtdBuilders
- Hillco Construction LtdBuilders
- Ironpeak Roofing Services LtdRoofers
- Anchorstone Construct LimitedBuilders
- Luxe Cleanings Services LtdCleaning companies
- Ajel Properties LimitedProperty developers
- The Crossing Group UK LtdCivil engineering
Also registered at this address
1 other company uses the same registered office as Arm40 Ltd.
- MN Contracting LimitedProperty developers
What happens if Arm40 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
- 14890555
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 May 2023 (3 years ago)
- Registered office
- 6 Butts Court, Leeds, LS1 5JS
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 23 May 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Leeds
Other active building contractors registered in Leeds.
- Arncliffe Homes Limited1991
- Aronel Ltd2026
- Artium Construction Limited2021
- Aseel Construction & Landscaping Ltd2023
- Assured Building Contractors Limited2003
- Atra Construction Ltd2018
- Averroes Constructions Limited2020
- Avm Dryline Ltd2026
All building contractors in Leeds · All trades in Leeds · Builders across the UK
Frequently asked questions
When are Arm40 Ltd's accounts due?
Arm40 Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Arm40 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 Arm40 Ltd still trading?
Arm40 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 Arm40 Ltd do?
Arm40 Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Arm40 Ltd?
Arm40 Ltd was incorporated on 24 May 2023, 3 years ago.
What is the penalty if Arm40 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 Arm40 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.