- Companies
- Civil engineering
- Windsor
- Ajd1Consulting Limited
Ajd1Consulting Limited
- Company number
- 10064132
- Incorporated
- 15 Mar 201610 years trading
- Registered office
- 69 Vansittart Road, Windsor, SL4 5DB
- Nature of business
- Construction of roads and motorways; Bookkeeping activities; Management consultancy activities other than financial management; Other engineering activities
Ajd1Consulting Limited is a 10-year-old private limited company registered in Windsor, company number 10064132, one of 7 civil engineering contractors in Windsor. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 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 £14K (+4.6%) on the year before, to £323K.
- Current assets of £333K against £9,455 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £323K | £333K | £333K | £9,455 | 0 |
| 31 Mar 2025 | £309K | £330K | £330K | £21K | 1 |
| 31 Mar 2024 | £277K | £366K | £366K | £90K | 1 |
Where Ajd1Consulting Limited is registered
The registered office is in Windsor (SL4), in the Windsor and Maidenhead local authority area, South East. Show SL4 5DB on a map.
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What happens if Ajd1Consulting 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 10064132
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 March 2016 (10 years ago)
- Registered office
- 69 Vansittart Road, Windsor, SL4 5DB
- Nature of business
- Construction of roads and motorways (SIC 42110)
Bookkeeping activities (SIC 69202)
Management consultancy activities other than financial management (SIC 70229)
Other engineering activities (SIC 71129) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 15 March 2026
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 Windsor
Other active civil engineering contractors registered in Windsor.
- Betsalel Consultants Limited2019
- Bradbury Surfacing Civils Limited2025
- Freedomnet Ltd2026
- GN Rail Signalling Consultancy Limited2025
- Imca Highway Services Ltd2018
- Sabi Star Group Ltd2021
All civil engineering contractors in Windsor · All trades in Windsor · Civil engineering across the UK
Frequently asked questions
When are Ajd1Consulting Limited's accounts due?
Ajd1Consulting Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Ajd1Consulting Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Ajd1Consulting Limited still trading?
Ajd1Consulting 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 Ajd1Consulting Limited do?
Ajd1Consulting Limited is registered under Construction of roads and motorways (SIC 42110); Bookkeeping activities (SIC 69202); Management consultancy activities other than financial management (SIC 70229); Other engineering activities (SIC 71129).
How old is Ajd1Consulting Limited?
Ajd1Consulting Limited was incorporated on 15 March 2016, 10 years ago.
What is the penalty if Ajd1Consulting 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 Ajd1Consulting 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.