- Companies
- Civil engineering
- Colchester
- Genseed Underground Services Limited
Genseed Underground Services Limited
- Company number
- 03531201
- Incorporated
- 16 Mar 199828 years trading
- Registered office
- Priory Place Priory Road, Co5 0Qe, Colchester, Essex, CO5 0QE
- Nature of business
- Construction of other civil engineering projects n.e.c.
Genseed Underground Services Limited is a 28-year-old private limited company registered in Colchester, company number 03531201, one of 103 civil engineering contractors in Colchester. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £145K (+45.7%) on the year before, to £464K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £283K against £139K owed within a year: 2.0 times cover.
- 4 employees on average, up from 3 the year before.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £464K | £149K | £283K | £139K | 4 |
| 31 Mar 2025 | £318K | £211K | £279K | £90K | 3 |
| 31 Mar 2024 | £318K | £236K | £24K | 3 | |
| 31 Mar 2023 | £333K | £270K | £35K | 3 | |
| 31 Mar 2022 | £388K | £383K | £37K | 4 | |
| 31 Mar 2021 | £364K | £175K | £289K | £32K | 4 |
| 31 Mar 2020 | £306K | £157K | £232K | £31K | 5 |
| 31 Mar 2019 | £299K | £159K | £248K | £42K | 4 |
| 31 Mar 2018 | £247K | £74K | £145K | £14K | 5 |
| 31 Mar 2017 | £247K | £181K | £211K | £21K | 5 |
Who runs and owns Genseed Underground Services Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| J*** M*** | Director | Apr 1998 |
| D*** M*** | Director | Dec 2006 |
| J*** M*** | Secretary | Apr 1998 |
3 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Temple Secretaries Limited | Corporate Nominee Secretary | Mar 1998 | Apr 1998 |
| L*** P*** | Director | Apr 1998 | Dec 2006 |
| Company Directors Limited | Nominee director (company) | Mar 1998 | Apr 1998 |
People with significant control (2)
Where Genseed Underground Services Limited is registered
The registered office is in Colchester (CO5), in the Colchester local authority area, East of England. Show CO5 0QE on a map.
Other trade companies in CO5
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- Web Roofing and Property Maintenance LtdRoofers
- Breaking Ground LtdBuilders
- Buildwise Property LimitedFacilities management
- Azeem & Antony LimitedSpecialist contractors
- Blackwater Contracts LtdBuilders
- RMC Electrical Installations LimitedElectricians
Shared registered office
30 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Genseed Underground Services 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 03531201
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 March 1998 (28 years ago)
- Registered office
- Priory Place Priory Road, Co5 0Qe, Colchester, Essex, CO5 0QE
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 1 July 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 Colchester
Other active civil engineering contractors registered in Colchester.
- GGS Infrastructure Ltd2026
- Godden & Rudling Building Services Limited2002
- H.M. Lingard Limited1987
- Hamilton Construction and Engineering Ltd2022
- Hammy Signalling Ltd2024
- Ian Monks Construction Services Ltd2008
- Ipswich Scuba Limited2023
- Isington Track Services Ltd2022
All civil engineering contractors in Colchester · All trades in Colchester · Civil engineering across the UK
Frequently asked questions
When are Genseed Underground Services Limited's accounts due?
Genseed Underground Services Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Genseed Underground Services Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Genseed Underground Services Limited still trading?
Genseed Underground Services 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 Genseed Underground Services Limited do?
Genseed Underground Services Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Genseed Underground Services Limited?
Genseed Underground Services Limited was incorporated on 16 March 1998, 28 years ago.
Who runs Genseed Underground Services Limited?
Genseed Underground Services Limited has 2 active directors, the longest-serving appointed in Apr 1998. Their names and service addresses are on the Companies House register.
Who owns Genseed Underground Services Limited?
2 people or companies have significant control of Genseed Underground Services Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Genseed Underground Services 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 Genseed Underground Services 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.