- Company number
- 15469856
- Incorporated
- 6 Feb 20242 years trading
- Registered office
- Unit C1 Grovelands Avenue Workshops,, Winnersh, Wokingham, Berkshire, RG41 5LB
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Construction of water projects; Activities of construction holding companies
Ai Building Services Ltd is a 2-year-old private limited company registered in Wokingham, company number 15469856, one of 75 building contractors in Wokingham. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £19K on the year before, to £20K.
- Current assets of £79K against £60K owed within a year: 1.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £20K | £79K | £60K | 0 | |
| 28 Feb 2025 | £952 | £6,359 | £5,407 | 0 |
Where Ai Building Services Ltd is registered
The registered office is in Wokingham (RG41), in the Wokingham local authority area, South East. Show RG41 5LB on a map.
Other trade companies in RG41
- Sage&Row LtdCleaning companies
- Irfa LtdMechanics and garages
- Brit Brush Interiors LimitedPainters and decorators
- Apex Damp Solutions LtdPlasterers
- Aliseni Construction LtdBuilders
- Loddon Valley Roofing LtdRoofers
- Ionex Built LtdBuilders
- Blue Whale Property Maintenance LtdFloor and wall tilers
What happens if Ai Building Services 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 15469856
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 February 2024 (2 years ago)
- Registered office
- Unit C1 Grovelands Avenue Workshops,, Winnersh, Wokingham, Berkshire, RG41 5LB
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Construction of water projects (SIC 42910)
Activities of construction holding companies (SIC 64203) - Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 5 February 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 Wokingham
Other active building contractors registered in Wokingham.
- Aj Homes Construction UK Ltd2025
- Aliseni Construction Ltd2026
- Ark.K Construction Ltd2022
- Ava Building & Property Maintenance Ltd2022
- B.Shehu Brickwork Ltd2016
- Bascomb & Drew Ltd.2000
- Belvedere Tiling Ltd2015
- Boce Developments Ltd2021
All building contractors in Wokingham · All trades in Wokingham · Builders across the UK
Frequently asked questions
When are Ai Building Services Ltd's accounts due?
Ai Building Services Ltd's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Ai Building Services Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Ai Building Services Ltd still trading?
Ai Building Services 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 Ai Building Services Ltd do?
Ai Building Services Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Construction of water projects (SIC 42910); Activities of construction holding companies (SIC 64203).
How old is Ai Building Services Ltd?
Ai Building Services Ltd was incorporated on 6 February 2024, 2 years ago.
What is the penalty if Ai Building Services 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 Ai Building Services 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.