- Companies
- Civil engineering
- Cardiff
- B&M Fibre Optic Supplies Ltd
B&M Fibre Optic Supplies Ltd
- Company number
- 17204003
- Incorporated
- 7 May 2026
- Registered office
- 476A Cowbridge Road East, Cardiff, CF5 1BL
- Nature of business
- Construction of utility projects for electricity and telecommunications
B&M Fibre Optic Supplies Ltd is a newly incorporated private limited company registered in Cardiff, company number 17204003, one of 89 civil engineering contractors in Cardiff. Its next accounts are due at Companies House on 7 February 2028, and its first CT600 is due at HMRC on 6 May 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 B&M Fibre Optic Supplies Ltd is registered
The registered office is in Cardiff (CF5), in the Cardiff local authority area, Wales. Show CF5 1BL on a map.
Other trade companies in CF5
- Art Electrical Solutions LimitedElectricians
- Chapman Construction Cardiff LtdBuilders
- MN Projects Co. LtdBuilders
- Bridge Deck Solutions LtdCivil engineering
- Gilps Construction LtdPainters and decorators
- CF Window Cleaning LtdCleaning companies
- RK Fire and Electrical LtdElectricians
- BDL Cleaning LtdCleaning companies
Also registered at this address
18 other companies use the same registered office as B&M Fibre Optic Supplies Ltd.
- Assure Gas LtdInstallers
- Ben Llewellyn LimitedMachinery repair and installation
- Black Dragon Engineering LimitedSpecialist contractors
- Bryce Building Solutions LtdBuilders
- BWJ Developments LtdBuilders
- Care Hub Lockers LtdCleaning companies
- City Tyre Services (Cardiff) LimitedMechanics and garages
- Ford PMC LimitedProperty developers
- Jcy Exterior Cleaning LtdCleaning companies
- Legion Developments LtdBuilders
- Lewis Site Services LtdCivil engineering
- Paint Logic LimitedPainters and decorators
- Sardis Facilities LimitedCleaning companies
- South Wales Mobile Tyre Services LtdMechanics and garages
- The Mighty Booth LimitedPainters and decorators
- Trojan Fibre Service LtdCivil engineering
- Vale Elite Tiling LtdFloor and wall tilers
- Vortex Transport & Plumbing Solutions LtdPlumbers and heating engineers
What happens if B&M Fibre Optic Supplies 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 7 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 8 Feb 2028 to 7 Mar 2028 | £150 |
| 1 to 3 months late | 8 Mar 2028 to 7 May 2028 | £375 |
| 3 to 6 months late | 8 May 2028 to 7 Aug 2028 | £750 |
| More than 6 months late | From 8 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 17204003
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 May 2026
- Registered office
- 476A Cowbridge Road East, Cardiff, CF5 1BL
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 May (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 Cardiff
Other active civil engineering contractors registered in Cardiff.
- Bentra Engineering Ltd2024
- Bingham Hall Partnership Limited2005
- Bizau Utilities Ltd2023
- Bridge Deck Solutions Ltd2026
- Canton Construction Limited2000
- Cohan and Austovaar Ltd2026
- Cohen Utilities Limited2025
- Collier Creations & Civils Limited2025
All civil engineering contractors in Cardiff · All trades in Cardiff · Civil engineering across the UK
Frequently asked questions
When are B&M Fibre Optic Supplies Ltd's accounts due?
B&M Fibre Optic Supplies Ltd's next accounts are due at Companies House by 7 February 2028 (in 482 days), covering the period to 31 May 2027.
When is B&M Fibre Optic Supplies 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 6 May 2027, due by 6 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is B&M Fibre Optic Supplies Ltd still trading?
B&M Fibre Optic Supplies 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 B&M Fibre Optic Supplies Ltd do?
B&M Fibre Optic Supplies Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is B&M Fibre Optic Supplies Ltd?
B&M Fibre Optic Supplies Ltd was incorporated on 7 May 2026, less than a year ago.
What is the penalty if B&M Fibre Optic Supplies 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 B&M Fibre Optic Supplies 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.