- Companies
- Machinery repair and installation
- St Austell
- Assembly Circuit Technology Limited
Assembly Circuit Technology Limited
- Company number
- 02783785
- Incorporated
- 26 Jan 199333 years trading
- Registered office
- Tybesta Tolfrue, Hewas Water, St Austell, Cornwall, PL26 7JF
- Nature of business
- Repair of other equipment
Assembly Circuit Technology Limited is a 33-year-old private limited company registered in St Austell, company number 02783785, one of 12 machinery repair and installation companies in St Austell. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £1,624 (+0.4%) on the year before, to £383K.
- Net assets rose in 1 of 9 year-on-year comparisons on record.
- Current assets of £289K against £920 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £383K | £288K | £289K | £920 | 1 |
| 31 Jan 2024 | £381K | £346K | £346K | £64K | 1 |
| 31 Jan 2023 | £392K | £347K | £348K | £57K | 1 |
| 31 Jan 2022 | £419K | £354K | £354K | £40K | 1 |
| 31 Jan 2021 | £448K | £368K | £368K | £29K | 1 |
| 31 Jan 2020 | £463K | £369K | £369K | £18K | 1 |
| 31 Jan 2019 | £481K | £372K | £372K | £6,500 | |
| 31 Jan 2018 | £492K | £379K | £380K | £7,161 | |
| 31 Jan 2017 | £507K | £392K | £393K | £7,732 | |
| 31 Jan 2016 | £523K | £404K | £405K | £7,131 |
Where Assembly Circuit Technology Limited is registered
The registered office is in St Austell (PL26), in the Cornwall local authority area, South West. Show PL26 7JF on a map.
Other trade companies in PL26
- L.W. Roofing (Cornwall) LtdRoofers
- Wall2Wall Building LtdBuilders
- Sam Bray Window Cleaning LtdCleaning companies
- Ocean Shore (SW) LtdBuilders
- Coast to Coast Water Engineering LtdSpecialist contractors
- Elevate Construction SW LimitedProperty developers
- Trelavour Road Garage (SW) LtdMechanics and garages
- Treverbyn Trade Cars T/A Treverbyn Car Sales LtdMotor traders
What happens if Assembly Circuit Technology 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 02783785
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 January 1993 (33 years ago)
- Registered office
- Tybesta Tolfrue, Hewas Water, St Austell, Cornwall, PL26 7JF
- Nature of business
- Repair of other equipment (SIC 33190)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 7 April 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in St Austell
Other active machinery repair and installation companies registered in St Austell.
- Assentech Rapid Response and Service Ltd2015
- Blessed Motors Ltd2014
- DH Marine Ltd2025
- Ebron Tech Ltd2019
- F & K Electrical & Refrigeration Limited2004
- Goonvean Electronics Limited1982
- Mills Engines & Driver Ltd2026
- Penzance Dry Dock (2009) Limited2009
All machinery repair and installation companies in St Austell · All trades in St Austell · Machinery repair and installation across the UK
Frequently asked questions
When are Assembly Circuit Technology Limited's accounts due?
Assembly Circuit Technology Limited's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Assembly Circuit Technology Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Assembly Circuit Technology Limited still trading?
Assembly Circuit Technology 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 Assembly Circuit Technology Limited do?
Assembly Circuit Technology Limited is registered under Repair of other equipment (SIC 33190).
How old is Assembly Circuit Technology Limited?
Assembly Circuit Technology Limited was incorporated on 26 January 1993, 33 years ago.
What is the penalty if Assembly Circuit Technology 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 Assembly Circuit Technology 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.