- Companies
- Civil engineering
- Basildon
- Mark & Sparks Ltd
Mark & Sparks Ltd
- Company number
- 10256316
- Incorporated
- 29 Jun 201610 years trading
- Registered office
- 4 Capricorn Centre, Cranes Farn Road, Basildon, Essex, SS14 3JJ
- Nature of business
- Construction of railways and underground railways; Other business support service activities n.e.c.
Mark & Sparks Ltd is a 10-year-old private limited company registered in Basildon, company number 10256316, one of 78 civil engineering contractors in Basildon. Its next accounts are due at Companies House on 29 December 2027, and the CT600 for the period to 29 March 2027 is due at HMRC on 29 March 2028.
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 down £9,024 (-45.6%) on the year before, to £11K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £39K against £26K owed within a year: 1.5 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 Mar 2026 | £11K | £7,379 | £39K | £26K | 2 |
| 29 Mar 2025 | £20K | £6,151 | £53K | £29K | 2 |
| 29 Mar 2024 | £6,623 | £8,683 | £39K | £22K | 2 |
| 29 Mar 2023 | £9,743 | £3,977 | £43K | £19K | 2 |
| 29 Mar 2022 | £29K | £57K | £86K | £38K | 2 |
| 29 Mar 2021 | £55K | £27K | £98K | £20K | 1 |
| 29 Mar 2020 | £30K | £28K | £52K | £22K | 1 |
| 30 Mar 2019 | £22K | £53K | £31K | 1 | |
| 30 Mar 2018 | £9,033 | £34K | £25K | 1 | |
| 30 Jun 2017 | £1,087 | £13K | £12K | 1 |
Where Mark & Sparks Ltd is registered
The registered office is in Basildon (SS14), in the Basildon local authority area, East of England. Show SS14 3JJ on a map.
Other trade companies in SS14
- Texaco Essex LtdCleaning companies
- Premier Build Services LimitedFinishing trades
- Justrepairs & Paint LtdMechanics and garages
- Edyghost. LtdBuilders
- MSB Colchester Electrical LimitedElectricians
- Climate One LtdPlumbers and heating engineers
- Elsm LtdElectricians
- Redmarsh Property Maintenance LimitedCleaning companies
Shared registered office
627 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 Mark & Sparks 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 29 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Dec 2027 to 29 Jan 2028 | £150 |
| 1 to 3 months late | 30 Jan 2028 to 29 Mar 2028 | £375 |
| 3 to 6 months late | 30 Mar 2028 to 29 Jun 2028 | £750 |
| More than 6 months late | From 30 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Mar 2028 | £200 |
| 3 months late | 29 Jun 2028 | another £200 |
| 6 months late | 29 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Mar 2029 | 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
- 10256316
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 June 2016 (10 years ago)
- Registered office
- 4 Capricorn Centre, Cranes Farn Road, Basildon, Essex, SS14 3JJ
- Nature of business
- Construction of railways and underground railways (SIC 42120)
Other business support service activities n.e.c. (SIC 82990) - Year end
- 29 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 29 March 2026
- Last confirmation statement
- 9 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 Basildon
Other active civil engineering contractors registered in Basildon.
- MBM Construction & Highways Maintenance Limited2018
- Millsy Surfacing Ltd2025
- MTB Plant Services Limited2015
- Mty Enterprise Limited2020
- O&A Consulting Limited2025
- Overhead Catenary System Installation Limited2016
- P B Pipework Limited2022
- P W Construction (Essex) Limited2012
All civil engineering contractors in Basildon · All trades in Basildon · Civil engineering across the UK
Frequently asked questions
When are Mark & Sparks Ltd's accounts due?
Mark & Sparks Ltd's next accounts are due at Companies House by 29 December 2027 (in 442 days), covering the period to 29 March 2027.
When is Mark & Sparks Ltd's CT600 due?
The CT600 for the period to 29 March 2027 is due at HMRC by 29 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 30 December 2027.
Is Mark & Sparks Ltd still trading?
Mark & Sparks 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 Mark & Sparks Ltd do?
Mark & Sparks Ltd is registered under Construction of railways and underground railways (SIC 42120); Other business support service activities n.e.c. (SIC 82990).
How old is Mark & Sparks Ltd?
Mark & Sparks Ltd was incorporated on 29 June 2016, 10 years ago.
What is the penalty if Mark & Sparks 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 Mark & Sparks 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.