- Company number
- 03347638
- Incorporated
- 8 Apr 199729 years trading
- Registered office
- 9 Spital Road, Maldon, Essex, CM9 6DY
- Nature of business
- Construction of domestic buildings
Mark Conway Limited is a 29-year-old private limited company registered in Maldon, company number 03347638, one of 61 building contractors in Maldon. 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 £3,697 (+166.2%) on the year before, to £5,922.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £8,562 against £6,038 owed within a year: 1.4 times cover.
- 2 employees on average, up from 0 the year before.
- 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 | £5,922 | £3,090 | £8,562 | £6,038 | 2 |
| 30 Apr 2024 | £2,225 | £4,830 | £4,830 | £7,136 | 0 |
| 30 Apr 2023 | £13K | £4,067 | £9,619 | £2,630 | 0 |
| 30 Apr 2022 | £30K | £19K | £30K | £7,705 | 1 |
| 30 Apr 2021 | £17K | £14K | £22K | £5,286 | 0 |
| 30 Apr 2020 | £3,631 | £769 | £15K | £9,449 | 1 |
| 30 Apr 2019 | £4,632 | £1,147 | £11K | £4,572 | |
| 30 Apr 2018 | £5,669 | £1,377 | £12K | £7,423 | |
| 30 Apr 2017 | £940 | £1,899 | £9,853 | £9,678 | 1 |
| 30 Apr 2016 | £869 | £1,520 | £11K | £11K |
Who runs and owns Mark Conway Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| C*** C*** | Director | Apr 1997 |
| M*** C*** | Director | Apr 1997 |
| M*** C*** | Secretary | Apr 1997 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Brighton Secretary Limited | Corporate Nominee Secretary | Apr 1997 | Apr 1997 |
| Brighton Director Limited | Nominee director (company) | Apr 1997 | Apr 1997 |
Person with significant control
Where Mark Conway Limited is registered
The registered office is in Maldon (CM9), in the Maldon local authority area, East of England. Show CM9 6DY on a map.
Other trade companies in CM9
- Rose Prestige Automotive LimitedMotor traders
- S&B Restoration LtdFinishing trades
- Ojf Air LimitedPlumbers and heating engineers
- Eluvis (Boston) LtdProperty developers
- Maldon Electrical LtdElectricians
- Eluvis Dover LtdProperty developers
- Eluvis Peasmarsh LtdProperty developers
- Rubberworx Safety Surfacing LtdGroundworks and demolition
What happens if Mark Conway 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 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
- 03347638
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 April 1997 (29 years ago)
- Registered office
- 9 Spital Road, Maldon, Essex, CM9 6DY
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 4 April 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Maldon
Other active building contractors registered in Maldon.
- Moody Homes Limited1993
- Pace E Services Ltd2023
- Parsons Electrical Limited2004
- Peter Loe Restorations Limited1999
- Pink Builds Ltd2017
- PSC Contracts Limited2006
- Randall Watts Commercial Limited2010
- Randall Watts Limited2015
All building contractors in Maldon · All trades in Maldon · Builders across the UK
Frequently asked questions
When are Mark Conway Limited's accounts due?
Mark Conway Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Mark Conway Limited'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 Mark Conway Limited still trading?
Mark Conway 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 Mark Conway Limited do?
Mark Conway Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Mark Conway Limited?
Mark Conway Limited was incorporated on 8 April 1997, 29 years ago.
Who runs Mark Conway Limited?
Mark Conway Limited has 2 active directors, the longest-serving appointed in Apr 1997. Their names and service addresses are on the Companies House register.
Who owns Mark Conway Limited?
One person or company has significant control of Mark Conway Limited: an individual (has significant influence or control).
What is the penalty if Mark Conway 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 Mark Conway 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.