- Companies
- Machinery repair and installation
- Norwich
- Sontec Holdings Limited
Sontec Holdings Limited
- Company number
- 03122093
- Incorporated
- 6 Nov 199530 years trading
- Registered office
- Sontec House, 30 Concorde Road, Norwich, NR6 6BE
- Nature of business
- Repair of electrical equipment
Sontec Holdings Limited is a 30-year-old private limited company registered in Norwich, company number 03122093, one of 153 machinery repair and installation companies in Norwich. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 unchanged on the year before, at £760.
- Net assets rose in 0 of 6 year-on-year comparisons on record.
- Current assets of £11 against £251 owed within a year: 0.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 8 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £760 | £11 | £251 | 0 | |
| 31 Oct 2024 | £760 | £11 | £251 | 0 | |
| 31 Oct 2023 | £760 | £11 | £251 | 0 | |
| 31 Oct 2022 | £760 | £11 | 0 | ||
| 31 Oct 2021 | £760 | £11 | 0 | ||
| 31 Oct 2020 | £760 | £11 | 0 | ||
| 31 Oct 2017 | £760 | £11 | |||
| 31 Oct 2016 | £760 | £11 |
Who runs and owns Sontec Holdings Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| K*** B*** | Director | Dec 1995 |
| J*** O*** | Director | Jan 2019 |
6 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| D*** T*** | Secretary | Dec 1995 | Mar 2023 |
| C*** W*** | Secretary | Nov 1995 | Dec 1995 |
| J*** C*** | Director | Dec 1995 | Oct 2019 |
| B*** N*** | Director | Dec 1995 | Sep 2018 |
| D*** T*** | Director | Dec 1995 | Mar 2023 |
| Bonusworth Limited | Director (company) | Nov 1995 | Dec 1995 |
Person with significant control
Charges (secured borrowing)
All 1 registered charge has been satisfied. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Barclays Bank PLC | Satisfied Jul 2019 | Dec 2000 |
Where Sontec Holdings Limited is registered
The registered office is in Norwich (NR6), in the Norwich local authority area, East of England. Show NR6 6BE on a map.
Other trade companies in NR6
- Mazzoni Motors LtdMechanics and garages
- Shadow Paint Hub LtdMotor traders
- Powder Craft LtdMechanics and garages
- Norwich Cars LtdMotor traders
- Vision Decorating LimitedPainters and decorators
- Vehicle Service Plus LtdMechanics and garages
- Ultra Glazing Solutions LimitedGlaziers
- Tidy Hands LtdCleaning companies
Also registered at this address
1 other company uses the same registered office as Sontec Holdings Limited.
- Sontec (Electronics) LimitedMachinery repair and installation
What happens if Sontec Holdings 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 03122093
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 November 1995 (30 years ago)
- Registered office
- Sontec House, 30 Concorde Road, Norwich, NR6 6BE
- Nature of business
- Repair of electrical equipment (SIC 33140)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 12 October 2025
- Charges (mortgages)
- 0 outstanding of 1 registered
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 Norwich
Other active machinery repair and installation companies registered in Norwich.
- South Farm Engineering Limited2002
- SPB Ups & DC Power Services Limited2011
- SPM Dental Equipment Engineers Ltd2010
- Sprowston Electrical Services Limited2009
- Squire Plant Ltd2024
- Staygb Marine Ltd2016
- Steamy Windows (Norwich) Ltd2023
- Swift Rewinds Ltd2021
All machinery repair and installation companies in Norwich · All trades in Norwich · Machinery repair and installation across the UK
Frequently asked questions
When are Sontec Holdings Limited's accounts due?
Sontec Holdings Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Sontec Holdings Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Sontec Holdings Limited still trading?
Sontec Holdings 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 Sontec Holdings Limited do?
Sontec Holdings Limited is registered under Repair of electrical equipment (SIC 33140).
How old is Sontec Holdings Limited?
Sontec Holdings Limited was incorporated on 6 November 1995, 30 years ago.
Who runs Sontec Holdings Limited?
Sontec Holdings Limited has 2 active directors, the longest-serving appointed in Dec 1995. Their names and service addresses are on the Companies House register.
Who owns Sontec Holdings Limited?
One person or company has significant control of Sontec Holdings Limited: Sontec (Electronics) Limited (owns 75% or more of the shares).
What is the penalty if Sontec Holdings 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 Sontec Holdings 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.