- Companies
- Civil engineering
- Dartford
- B&S Network and Security Limited
B&S Network and Security Limited
- Company number
- 15775076
- Incorporated
- 12 Jun 20242 years trading
- Registered office
- 41 Overy Street, C/O Lucia Accounts Partners, Concord House, Dartford, DA1 1UP
- Nature of business
- Construction of utility projects for electricity and telecommunications
B&S Network and Security Limited is a 2-year-old private limited company registered in Dartford, company number 15775076, one of 46 civil engineering contractors in Dartford. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 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 down £13K (-94.5%) on the year before, to £752.
- Current assets of £68K against £68K owed within a year: 1.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | £752 | £68K | £68K | 2 | |
| 30 Jun 2025 | £14K | £44K | £32K | 2 |
Where B&S Network and Security Limited is registered
The registered office is in Dartford (DA1), in the Dartford local authority area, South East. Show DA1 1UP on a map.
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- Degrees Bespoke Finishes LtdPlasterers
- A & A Electrical and Refrigeration LtdBuilders
- Elm Servicing LtdMachinery repair and installation
- WND Refrigeration LimitedPlumbers and heating engineers
- Moore Flooring and Sons LtdFloor and wall tilers
- Kinergy Systems LtdElectricians
Also registered at this address
3 other companies use the same registered office as B&S Network and Security Limited.
- Aula Design Studio LimitedInstallers
- Jay Ashley Cars LimitedMechanics and garages
- Naul Road Development LtdBuilders
What happens if B&S Network and Security 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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 15775076
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 June 2024 (2 years ago)
- Registered office
- 41 Overy Street, C/O Lucia Accounts Partners, Concord House, Dartford, DA1 1UP
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 11 June 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 Dartford
Other active civil engineering contractors registered in Dartford.
- Concrete Construction United Limited2000
- Concrete Cutting United Limited2011
- Creative Sapphire Ltd2017
- Dats Global Limited2016
- De-Gratitude Ltd2015
- Dilax Civil Engineering Ltd2014
- Eliana General Engineering Work Ltd2014
- Energy Engineering (London) Ltd2016
All civil engineering contractors in Dartford · All trades in Dartford · Civil engineering across the UK
Frequently asked questions
When are B&S Network and Security Limited's accounts due?
B&S Network and Security Limited's next accounts are due at Companies House by 31 March 2028 (in 535 days), covering the period to 30 June 2027.
When is B&S Network and Security Limited's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is B&S Network and Security Limited still trading?
B&S Network and Security 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 B&S Network and Security Limited do?
B&S Network and Security Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is B&S Network and Security Limited?
B&S Network and Security Limited was incorporated on 12 June 2024, 2 years ago.
What is the penalty if B&S Network and Security 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 B&S Network and Security 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.