- Companies
- Civil engineering
- Caterham
- Jamsons Geotechnics Ltd
Jamsons Geotechnics Ltd
- Company number
- 03867766
- Incorporated
- 28 Oct 199926 years trading
- Registered office
- Heather Cottage, 121 Tupwood Lane, Caterham, Surrey, CR3 6DF
- Nature of business
- Construction of other civil engineering projects n.e.c.; Other specialised construction activities n.e.c.; Buying and selling of own real estate; Other letting and operating of own or leased real estate
Jamsons Geotechnics Ltd is a 26-year-old private limited company registered in Caterham, company number 03867766, one of 16 civil engineering contractors in Caterham. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £208 (+0.1%) on the year before, to £270K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £21K against £1.2M owed within a year: 0.0 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 Apr 2025 | £270K | £20K | £21K | £1.2M | 2 |
| 30 Apr 2024 | £269K | £1,358 | £36K | £1.2M | 2 |
| 30 Apr 2023 | £146K | £2,437 | £4,118 | £1.1M | 2 |
| 30 Apr 2022 | £147K | £10K | £1.1M | 2 | |
| 30 Apr 2021 | £174K | £24K | £24K | £1.1M | 1 |
| 30 Apr 2020 | £89K | £7,915 | £7,928 | £1.2M | 1 |
| 30 Apr 2019 | £93K | £9,164 | £9,164 | £673K | |
| 30 Apr 2018 | £58K | £5,808 | £8,125 | £678K | |
| 30 Apr 2017 | £25K | £6,427 | £6,827 | £383K | |
| 30 Apr 2016 | -£10K | £387 | £689 | £389K |
Where Jamsons Geotechnics Ltd is registered
The registered office is in Caterham (CR3), in the Tandridge local authority area, South East. Show CR3 6DF on a map.
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- Rayce Projects LtdProperty developers
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- Apex Scaffold Services LtdScaffolders
What happens if Jamsons Geotechnics 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 03867766
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 October 1999 (26 years ago)
- Registered office
- Heather Cottage, 121 Tupwood Lane, Caterham, Surrey, CR3 6DF
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Other specialised construction activities n.e.c. (SIC 43999)
Buying and selling of own real estate (SIC 68100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 30 April (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 28 October 2025
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 Caterham
Other active civil engineering contractors registered in Caterham.
- Kelf Civil Engineering Ltd2021
- M.Harris Rail Services Limited2013
- Nutfield Homes Limited2004
- Ocb Construction Limited2011
- On the Groundworks Limited2017
- Paragon Roadmarking Limited2000
- Power Distribution & Transmission Services Ltd2021
- Whites Building Contractors Limited1997
All civil engineering contractors in Caterham · All trades in Caterham · Civil engineering across the UK
Frequently asked questions
When are Jamsons Geotechnics Ltd's accounts due?
Jamsons Geotechnics Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Jamsons Geotechnics Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Jamsons Geotechnics Ltd still trading?
Jamsons Geotechnics 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 Jamsons Geotechnics Ltd do?
Jamsons Geotechnics Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Other specialised construction activities n.e.c. (SIC 43999); Buying and selling of own real estate (SIC 68100); Other letting and operating of own or leased real estate (SIC 68209).
How old is Jamsons Geotechnics Ltd?
Jamsons Geotechnics Ltd was incorporated on 28 October 1999, 26 years ago.
What is the penalty if Jamsons Geotechnics 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 Jamsons Geotechnics 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.