- Companies
- Motor traders
- Kidlington
- Zilicium Limited
Zilicium Limited
- Company number
- 07822699
- Incorporated
- 25 Oct 201114 years trading
- Registered office
- 30 Bankside Court, Stationfields, Kidlington, Oxon, OX5 1JE
- Nature of business
- Sale of other motor vehicles; Other business support service activities n.e.c.
Zilicium Limited is a 14-year-old private limited company registered in Kidlington, company number 07822699, one of 15 motor trade companies in Kidlington. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £2,440 (+574.1%) on the year before, to £2,865.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £16K against £16K owed within a year: 1.0 times cover.
- 2 employees 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | £2,865 | £3,161 | £16K | £16K | 2 |
| 31 Oct 2024 | £425 | £6,766 | £19K | £22K | 2 |
| 31 Oct 2023 | £4,513 | £2,013 | £21K | £20K | 2 |
| 31 Oct 2022 | £17K | £25K | £36K | £23K | 2 |
| 31 Oct 2021 | £28K | £25K | £54K | £31K | 2 |
| 31 Oct 2020 | £321 | £5,036 | £12K | £17K | 2 |
| 31 Oct 2019 | £7,277 | £261 | £13K | £12K | 2 |
| 31 Oct 2018 | £34K | £25K | £49K | £23K | 1 |
| 31 Oct 2017 | £11K | £7,366 | £17K | £17K | 1 |
| 31 Oct 2016 | -£1,039 | £343 | £1,718 | £5,273 |
Where Zilicium Limited is registered
The registered office is in Kidlington (OX5), in the Cherwell local authority area, South East. Show OX5 1JE on a map.
Other trade companies in OX5
- Lally Fenestration LtdJoiners and carpenters
- Langford & Co Construction LtdProperty developers
- The Oxford Kitchen Fitter LtdJoiners and carpenters
- Michelin Cleaning Services LtdCleaning companies
- CPH Electrical Oxford LtdElectricians
- Oxford Brick & Stone LtdBuilders
- CPH Property Services Oxford LtdBuilders
- Cam Muldur Contracting LtdBuilders
Also registered at this address
14 other companies use the same registered office as Zilicium Limited.
- A.K. Halsey Electrical LimitedElectricians
- Apservices Electrical LtdElectricians
- C J Twomey Engineering Ltd.Specialist contractors
- Capon Bros Electrical LtdElectricians
- Complete Glass and Glazing Oxford LtdGlaziers
- D J Walker Roofing LtdRoofers
- Darnells LimitedPlumbers and heating engineers
- Ep8 LtdBuilders
- John Sheehan (Oxford) LimitedGroundworks and demolition
- M V Firmin Garden Landscaping LimitedLandscapers and gardeners
- Nigel Belcher Turf & Paving LimitedLandscapers and gardeners
- Parker Contract Cleaning LimitedCleaning companies
- Proceda LtdBuilders
- Sandbox Design and Build LtdSpecialist contractors
What happens if Zilicium 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 07822699
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 October 2011 (14 years ago)
- Registered office
- 30 Bankside Court, Stationfields, Kidlington, Oxon, OX5 1JE
- Nature of business
- Sale of other motor vehicles (SIC 45190)
Other business support service activities n.e.c. (SIC 82990) - Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 25 October 2025
Filing notes for motor trade companies
Motor trade companies hold vehicle stock, and how that stock is valued at the year end moves the profit directly. Some use the VAT margin scheme.
Similar companies in Kidlington
Other active motor trade companies registered in Kidlington.
- Cherwell Finance Ltd2024
- Greencars Ltd2023
- JKG Independent Services Ltd2019
- Kings Two Wheel Centre Ltd.2003
- Lodge Hill Garage Limited2003
- M2 Motor Group Limited2025
- Mark Smith & Co. Limited1998
- Porthall Garages Ltd2021
All motor trade companies in Kidlington · All trades in Kidlington · Motor traders across the UK
Frequently asked questions
When are Zilicium Limited's accounts due?
Zilicium Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Zilicium Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Zilicium Limited still trading?
Zilicium 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 Zilicium Limited do?
Zilicium Limited is registered under Sale of other motor vehicles (SIC 45190); Other business support service activities n.e.c. (SIC 82990).
How old is Zilicium Limited?
Zilicium Limited was incorporated on 25 October 2011, 14 years ago.
What is the penalty if Zilicium 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 Zilicium 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.