- Companies
- Civil engineering
- Reading
- Ainka Limited
Ainka Limited
- Company number
- 10094468
- Incorporated
- 31 Mar 201610 years trading
- Registered office
- 79 Skelmerdale Way, Earley, Reading, RG6 7YB
- Nature of business
- Construction of other civil engineering projects n.e.c.; Bookkeeping activities
Ainka Limited is a 10-year-old private limited company registered in Reading, company number 10094468, one of 84 civil engineering contractors in Reading. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £3,601 (-61.6%) on the year before, to £2,245.
- Net assets rose in 2 of 8 year-on-year comparisons on record.
- Current assets of £19K against £13K owed within a year: 1.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £2,245 | £19K | £13K | 1 | |
| 31 Mar 2024 | £5,846 | £18K | £8,797 | 1 | |
| 31 Mar 2023 | £2,332 | £9,685 | £4,533 | 1 | |
| 31 Mar 2022 | £2,464 | £12K | £7,210 | 1 | |
| 31 Mar 2021 | £3,627 | £13K | £7,210 | 1 | |
| 31 Mar 2020 | £6,306 | £15K | £8,530 | 2 | |
| 31 Mar 2019 | £6,217 | £18K | £11K | ||
| 31 Mar 2018 | £8,221 | £12K | £3,879 | ||
| 31 Mar 2017 | £14K | £27K | £13K |
Where Ainka Limited is registered
The registered office is in Reading (RG6), in the Wokingham local authority area, South East. Show RG6 7YB on a map.
Other trade companies in RG6
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- Skylinez Home Improvements LimitedBuilders
- South East Mobile Tyres LtdMechanics and garages
- Ldhcarparts LimitedMechanics and garages
- JS Awbery Flooring LtdFloor and wall tilers
- Vipooconstructions LimitedBuilders
- Abcdc LtdSpecialist contractors
What happens if Ainka 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 10094468
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 March 2016 (10 years ago)
- Registered office
- 79 Skelmerdale Way, Earley, Reading, RG6 7YB
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Bookkeeping activities (SIC 69202) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 10 October 2025
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Reading
Other active civil engineering contractors registered in Reading.
- Apw Consultants Ltd2017
- Asfionix Ltd2025
- Ashford Trading International Limited2006
- Authorn Limited1977
- B.Solomon Limited2018
- Berkshire Asphalt Ltd2016
- Bmo Rail Ltd2016
- BPM Builders UK Limited2025
All civil engineering contractors in Reading · All trades in Reading · Civil engineering across the UK
Frequently asked questions
When are Ainka Limited's accounts due?
Ainka Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Ainka Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Ainka Limited still trading?
Ainka 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 Ainka Limited do?
Ainka Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Bookkeeping activities (SIC 69202).
How old is Ainka Limited?
Ainka Limited was incorporated on 31 March 2016, 10 years ago.
What is the penalty if Ainka 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 Ainka 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.