- Companies
- Civil engineering
- Colchester
- Dynamic HV Ltd
Dynamic HV Ltd
- Company number
- 17374500
- Incorporated
- 31 Jul 2026
- Registered office
- Ground Floor Southway House, 29 Southway, Colchester, Essex, CO2 7BA
- Nature of business
- Construction of utility projects for electricity and telecommunications; Construction of other civil engineering projects n.e.c.; Electrical installation
Dynamic HV Ltd is a newly incorporated private limited company registered in Colchester, company number 17374500, one of 103 civil engineering contractors in Colchester. Its next accounts are due at Companies House on 30 April 2028, and its first CT600 is due at HMRC on 30 July 2028.
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 Dynamic HV Ltd is registered
The registered office is in Colchester (CO2), in the Colchester local authority area, East of England. Show CO2 7BA on a map.
Other trade companies in CO2
- Bravoryx Construct LtdSpecialist contractors
- VSG Projects Group LtdBuilders
- SBVC Auto Centre LtdMechanics and garages
- Matangi Auto Parts LtdMotor traders
- Able Renewables UK LtdInstallers
- GVV Ltd LtdBuilders
- CW Interior Transformations LtdFinishing trades
- Fintec Contracting LtdElectricians
Shared registered office
33 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 Dynamic HV 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 30 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2028 to 31 May 2028 | £150 |
| 1 to 3 months late | 1 Jun 2028 to 31 Jul 2028 | £375 |
| 3 to 6 months late | 1 Aug 2028 to 31 Oct 2028 | £750 |
| More than 6 months late | From 1 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17374500
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 July 2026
- Registered office
- Ground Floor Southway House, 29 Southway, Colchester, Essex, CO2 7BA
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Construction of other civil engineering projects n.e.c. (SIC 42990)
Electrical installation (SIC 43210) - Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 28 August 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 Colchester
Other active civil engineering contractors registered in Colchester.
- Elan Civil Engineering Limited2015
- Ezeoro1 Ltd2025
- Fibre Optical Solutions Ltd2025
- Fireforce Ltd2024
- Form Pools Limited2020
- Foster Contracting (North) Limited2017
- Foster Contracting Limited1911
- G.B. Surfacing Ltd2018
All civil engineering contractors in Colchester · All trades in Colchester · Civil engineering across the UK
Frequently asked questions
When are Dynamic HV Ltd's accounts due?
Dynamic HV Ltd's next accounts are due at Companies House by 30 April 2028 (in 566 days), covering the period to 31 July 2027.
When is Dynamic HV 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 30 July 2027, due by 30 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Dynamic HV Ltd still trading?
Dynamic HV 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 Dynamic HV Ltd do?
Dynamic HV Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Construction of other civil engineering projects n.e.c. (SIC 42990); Electrical installation (SIC 43210).
How old is Dynamic HV Ltd?
Dynamic HV Ltd was incorporated on 31 July 2026, less than a year ago.
What is the penalty if Dynamic HV 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 Dynamic HV 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.