- Companies
- Civil engineering
- Newry
- W J Marks Ltd
W J Marks Ltd
- Company number
- NI651839
- Incorporated
- 21 Mar 20188 years trading
- Registered office
- River House, Home Avenue, Newry, Co. Down, BT34 2DL
- Nature of business
- Construction of roads and motorways
W J Marks Ltd is a 8-year-old private limited company registered in Newry, company number NI651839, one of 52 civil engineering contractors in Newry. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for W J Marks LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £7,139 (-116.4%) on the year before, to -£1,004.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £10K against £11K owed within a year: 0.9 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£1,004 | £4,737 | £10K | £11K | 3 |
| 31 Mar 2024 | £6,135 | £4,796 | £11K | 3 | |
| 31 Mar 2023 | £6,080 | £14K | £20K | 3 | |
| 31 Mar 2022 | £2,458 | £17K | £24K | 2 | |
| 31 Mar 2021 | £456 | £22K | £30K | 2 | |
| 31 Mar 2020 | £777 | £13K | £24K | 2 | |
| 31 Mar 2019 | £86 | £8,719 | £8,633 | 2 |
Where W J Marks Ltd is registered
The registered office is in Newry (BT34), in the Newry, Mourne and Down local authority area, Northern Ireland. Show BT34 2DL on a map.
Other trade companies in BT34
- JMP Live LimitedElectricians
- SSL Solar & Electrical LimitedElectricians
- Ocn Construction LtdBuilders
- Warren Properties Ireland LimitedBuilders
- Rog Electrical LtdElectricians
- DMN Mechanics LimitedMotor traders
- M & M Consultants Ire LtdSpecialist contractors
- C Quinn Contracts LtdBuilders
Also registered at this address
12 other companies use the same registered office as W J Marks Ltd.
- Annett Landscaping LtdLandscapers and gardeners
- Auto Saver (NI) LimitedMotor traders
- Bandar LimitedProperty developers
- D N Developments LimitedProperty developers
- Dromore Property LimitedProperty developers
- GGD Global (N.I.) LtdProperty developers
- LCL Developments LtdProperty developers
- MCB Performance LtdMechanics and garages
- McBride Contractors LimitedProperty developers
- Mourne Properties & Developments LimitedBuilders
- RW Toase Developments LimitedProperty developers
- Troughton Engineering Aircraft Maintenance LimitedMachinery repair and installation
What happens if W J Marks 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- NI651839
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 March 2018 (8 years ago)
- Registered office
- River House, Home Avenue, Newry, Co. Down, BT34 2DL
- Nature of business
- Construction of roads and motorways (SIC 42110)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 29 March 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 Newry
Other active civil engineering contractors registered in Newry.
- Agc Utilities Limited2017
- Ali Marine Ltd2021
- Annett Contracts Ltd2013
- Apex Civils Limited2025
- Asphalt Repair Solutions Ltd2023
- Atlantic NDT Limited2016
- Bcon Engineering Limited2025
- Brian Murray Contractors Ltd2026
All civil engineering contractors in Newry · All trades in Newry · Civil engineering across the UK
Frequently asked questions
When are W J Marks Ltd's accounts due?
W J Marks Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is W J Marks Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is W J Marks Ltd still trading?
W J Marks 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 W J Marks Ltd do?
W J Marks Ltd is registered under Construction of roads and motorways (SIC 42110).
How old is W J Marks Ltd?
W J Marks Ltd was incorporated on 21 March 2018, 8 years ago.
What is the penalty if W J Marks 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 W J Marks 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.