- Companies
- Civil engineering
- G.W. Johnson Limited
G.W. Johnson Limited
- Company number
- 06457086
- Incorporated
- 19 Dec 200718 years trading
- Registered office
- Woodview, South Street, Dolgella, Gwynedd, LL40 1NE
- Nature of business
- Construction of other civil engineering projects n.e.c.
G.W. Johnson Limited is a 18-year-old private limited company registered in Gwynedd, company number 06457086, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 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 up £629 (+9.6%) on the year before, to £7,187.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £24K against £22K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2026 | £7,187 | £24K | £22K | 0 | |
| 31 Mar 2025 | £6,558 | £21K | £34K | 0 | |
| 31 Mar 2024 | £14K | £25K | £35K | 0 | |
| 31 Mar 2023 | £27K | £64K | £48K | 0 | |
| 31 Mar 2022 | £25K | £58K | £45K | 0 | |
| 31 Mar 2021 | -£1,255 | £33K | £48K | 0 | |
| 31 Mar 2020 | -£5,142 | £29K | £50K | 0 | |
| 31 Mar 2019 | £1,813 | £31K | £47K | ||
| 31 Mar 2018 | -£2,201 | £23K | £45K | ||
| 31 Mar 2017 | £13K | £38K | £47K |
Where G.W. Johnson Limited is registered
The registered office is in Gwynedd (LL40), in the Gwynedd local authority area, Wales. Show LL40 1NE on a map.
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What happens if G.W. Johnson 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 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
- 06457086
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 December 2007 (18 years ago)
- Registered office
- Woodview, South Street, Dolgella, Gwynedd, LL40 1NE
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 19 December 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
Other active civil engineering contractors.
Frequently asked questions
When are G.W. Johnson Limited's accounts due?
G.W. Johnson Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is G.W. Johnson Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is G.W. Johnson Limited still trading?
G.W. Johnson 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 G.W. Johnson Limited do?
G.W. Johnson Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is G.W. Johnson Limited?
G.W. Johnson Limited was incorporated on 19 December 2007, 18 years ago.
What is the penalty if G.W. Johnson 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 G.W. Johnson 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.