- Companies
- Civil engineering
- Doncaster
- NTJ Consulting Ltd
NTJ Consulting Ltd
- Company number
- 15120835
- Incorporated
- 6 Sep 20233 years trading
- Registered office
- 80 Beech Crescent, Stainforth, Doncaster, South Yorkshire, DN7 5ET
- Nature of business
- Construction of railways and underground railways
NTJ Consulting Ltd is a 3-year-old private limited company registered in Doncaster, company number 15120835, one of 170 civil engineering contractors in Doncaster. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £8,384 (+807.7%) on the year before, to £9,422.
- Current assets of £12K against £2,084 owed within a year: 5.5 times cover.
- 1 employee 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 Aug 2025 | £9,422 | £12K | £2,084 | 1 | |
| 31 Aug 2024 | £1,038 | £7,680 | £6,642 | 1 |
Where NTJ Consulting Ltd is registered
The registered office is in Doncaster (DN7), in the Doncaster local authority area, Yorkshire and The Humber. Show DN7 5ET on a map.
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What happens if NTJ Consulting 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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 15120835
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 September 2023 (3 years ago)
- Registered office
- 80 Beech Crescent, Stainforth, Doncaster, South Yorkshire, DN7 5ET
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 5 September 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 Doncaster
Other active civil engineering contractors registered in Doncaster.
- Ny Management Services Ltd2013
- O'Hare Civils Limited2014
- Optima Renewable Energy Ltd2025
- Orus Electrification Services Ltd2023
- P & L Middleton Ltd2017
- P H M & C E Consultancy Limited2014
- PM Rail Construction UK Ltd2013
- Points Fitter Ltd2026
All civil engineering contractors in Doncaster · All trades in Doncaster · Civil engineering across the UK
Frequently asked questions
When are NTJ Consulting Ltd's accounts due?
NTJ Consulting Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is NTJ Consulting Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is NTJ Consulting Ltd still trading?
NTJ Consulting 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 NTJ Consulting Ltd do?
NTJ Consulting Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is NTJ Consulting Ltd?
NTJ Consulting Ltd was incorporated on 6 September 2023, 3 years ago.
What is the penalty if NTJ Consulting 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 NTJ Consulting 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.