- Companies
- Civil engineering
- Stockton on Tees
- Azzcon Limited
Azzcon Limited
- Company number
- 06885742
- Incorporated
- 23 Apr 200917 years trading
- Registered office
- 27 Stanegate Avenue, Ingleby Barwick, Stockton on Tees, North Yorkshire, TS17 5JL
- Nature of business
- Construction of other civil engineering projects n.e.c.
Azzcon Limited is a 17-year-old private limited company registered in Stockton on Tees, company number 06885742, one of 15 civil engineering contractors in Stockton on Tees. 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 up £62K (+51%) on the year before, to £184K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £365K against £218K owed within a year: 1.7 times cover.
- 9 employees on average, down from 11 the year before.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £184K | £365K | £218K | 9 | |
| 31 Mar 2025 | £122K | £305K | £221K | 11 | |
| 31 Mar 2024 | £88K | £249K | £134K | 10 | |
| 31 Mar 2023 | £82K | £183K | £84K | 7 | |
| 31 Mar 2022 | £2,789 | £117K | £64K | 5 | |
| 31 Mar 2021 | £4,829 | £64K | £64K | 3 | |
| 31 Mar 2020 | £4,281 | £65K | £67K | 3 | |
| 31 Mar 2019 | £6,251 | £42K | £49K | ||
| 31 Mar 2018 | £5,591 | £71K | £85K | ||
| 31 Mar 2017 | £9,740 | £95K | £88K |
Where Azzcon Limited is registered
The registered office is in Stockton on Tees (TS17), in the Stockton-on-Tees local authority area, North East. Show TS17 5JL on a map.
Other trade companies in TS17
- BJP Technical LimitedElectricians
- Summit Investments Group LtdMotor traders
- Damir Motors LtdMotor traders
- DMP Access LtdBuilders
- SS Offshore Services LimitedSpecialist contractors
- Fortis Trade LtdBuilders
- Agnika LimitedBuilders
- No. 5 Property Innovations LimitedElectricians
What happens if Azzcon 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
- 06885742
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 April 2009 (17 years ago)
- Registered office
- 27 Stanegate Avenue, Ingleby Barwick, Stockton on Tees, North Yorkshire, TS17 5JL
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 23 April 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 Stockton on Tees
Other active civil engineering contractors registered in Stockton on Tees.
- BCN Project Support Limited2025
- Bellerby Construction Limited2013
- Deliver-I Limited2025
- Direct Groundworks Ne Limited2024
- Greyfriars Corporation Limited1996
- Herring Plant Hire Limited2001
- Jost Engineering Ltd2021
- Mains Site Services Ltd2024
All civil engineering contractors in Stockton on Tees · All trades in Stockton on Tees · Civil engineering across the UK
Frequently asked questions
When are Azzcon Limited's accounts due?
Azzcon 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 Azzcon 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 Azzcon Limited still trading?
Azzcon 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 Azzcon Limited do?
Azzcon Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Azzcon Limited?
Azzcon Limited was incorporated on 23 April 2009, 17 years ago.
What is the penalty if Azzcon 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 Azzcon 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.