- Companies
- Civil engineering
- Salisbury
- GM Networks Limited
GM Networks Limited
- Company number
- 05369357
- Incorporated
- 18 Feb 200521 years trading
- Registered office
- 2 Stone Close, Winterslow, Salisbury, SP5 1TN
- Nature of business
- Construction of utility projects for electricity and telecommunications
GM Networks Limited is a 21-year-old private limited company registered in Salisbury, company number 05369357, one of 12 civil engineering contractors in Salisbury. 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.
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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 £41K (+9.9%) on the year before, to £453K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £64K against £43K owed within a year: 1.5 times cover.
- 3 employees on average, up from -3 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £453K | £64K | £43K | 3 | |
| 31 Mar 2024 | £412K | £166K | £60K | -3 | |
| 31 Mar 2023 | £353K | £185K | £151K | -2 | |
| 31 Mar 2022 | £306K | £214K | £144K | -2 | |
| 31 Mar 2021 | £308K | £257K | £171K | -2 | |
| 31 Mar 2020 | £282K | £101K | £36K | -2 | |
| 31 Mar 2019 | £312K | £92K | £69K | ||
| 31 Mar 2018 | £401K | £361K | £235K | ||
| 31 Mar 2017 | £323K | £325K | £161K |
Where GM Networks Limited is registered
The registered office is in Salisbury (SP5), in the Wiltshire local authority area, South West. Show SP5 1TN on a map.
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What happens if GM Networks 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 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
- 05369357
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 February 2005 (21 years ago)
- Registered office
- 2 Stone Close, Winterslow, Salisbury, SP5 1TN
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 18 February 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 Salisbury
Other active civil engineering contractors registered in Salisbury.
- Langdown Civil Engineering Ltd2024
- Nationwide Waterproofing Limited2022
- P.M.A. Property Maintenance Limited2020
- Project London Limited2013
- Rstfibresolutions Limited2025
- Spire Surveys Ltd2019
- Steve Tagg Ltd2016
- Bartlett Contractors Limited1999
All civil engineering contractors in Salisbury · All trades in Salisbury · Civil engineering across the UK
Frequently asked questions
When are GM Networks Limited's accounts due?
GM Networks Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is GM Networks Limited'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 GM Networks Limited still trading?
GM Networks 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 GM Networks Limited do?
GM Networks Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is GM Networks Limited?
GM Networks Limited was incorporated on 18 February 2005, 21 years ago.
What is the penalty if GM Networks 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 GM Networks 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.