- Companies
- Civil engineering
- London
- Cyber Network Solutions Ltd
Cyber Network Solutions Ltd
- Company number
- 16849504
- Incorporated
- 12 Nov 2025
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Construction of utility projects for electricity and telecommunications; Information technology consultancy activities; Computer facilities management activities
Cyber Network Solutions Ltd is a newly incorporated private limited company registered in London, company number 16849504, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 12 August 2027, and its first CT600 is due at HMRC on 11 November 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Cyber Network Solutions Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
Other trade companies in EC1V
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- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Shared registered office
2,436 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 Cyber Network Solutions 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 12 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 13 Aug 2027 to 12 Sep 2027 | £150 |
| 1 to 3 months late | 13 Sep 2027 to 12 Nov 2027 | £375 |
| 3 to 6 months late | 13 Nov 2027 to 12 Feb 2028 | £750 |
| More than 6 months late | From 13 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16849504
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 November 2025
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Information technology consultancy activities (SIC 62020)
Computer facilities management activities (SIC 62030) - Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
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 London
Other active civil engineering contractors registered in London.
- Cyiops Ltd2019
- Cypron International Consulting Engineers Limited2021
- D Construction London Limited2013
- D F O Donnell Engineering Ltd2015
- D M Rail Limited2016
- D M W Developments Limited2004
- D R Formwork Limited2010
- D Wok TM Services Limited2023
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Cyber Network Solutions Ltd's accounts due?
Cyber Network Solutions Ltd's next accounts are due at Companies House by 12 August 2027 (in 304 days), covering the period to 30 November 2026.
When is Cyber Network Solutions Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 11 November 2026, due by 11 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cyber Network Solutions Ltd still trading?
Cyber Network Solutions 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 Cyber Network Solutions Ltd do?
Cyber Network Solutions Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Information technology consultancy activities (SIC 62020); Computer facilities management activities (SIC 62030).
How old is Cyber Network Solutions Ltd?
Cyber Network Solutions Ltd was incorporated on 12 November 2025, less than a year ago.
What is the penalty if Cyber Network Solutions 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 Cyber Network Solutions 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.