- Companies
- Civil engineering
- Sheffield
- Photon Communications Ltd
Photon Communications Ltd
- Company number
- 16202911
- Incorporated
- 23 Jan 20251 year trading
- Registered office
- 18 Ashley Lane, Killamarsh, Sheffield, S21 1AB
- Nature of business
- Construction of utility projects for electricity and telecommunications
Photon Communications Ltd is a 1-year-old private limited company registered in Sheffield, company number 16202911, one of 107 civil engineering contractors in Sheffield. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 January 2026, as filed at Companies House.
Where Photon Communications Ltd is registered
The registered office is in Sheffield (S21), in the North East Derbyshire local authority area, East Midlands. Show S21 1AB on a map.
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What happens if Photon Communications 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 31 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16202911
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 January 2025 (1 year ago)
- Registered office
- 18 Ashley Lane, Killamarsh, Sheffield, S21 1AB
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 22 January 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 Sheffield
Other active civil engineering contractors registered in Sheffield.
- Pillar Construction Services Ltd2020
- Precision Surfacing Ltd2025
- Prime Cable Ltd2021
- Q Towers Ltd2020
- R and B Comms Ltd2024
- R D & C Solutions Ltd2009
- R J Lee Construction Services Ltd2007
- R P Civils Limited2016
All civil engineering contractors in Sheffield · All trades in Sheffield · Civil engineering across the UK
Frequently asked questions
When are Photon Communications Ltd's accounts due?
Photon Communications Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Photon Communications Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Photon Communications Ltd still trading?
Photon Communications 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 Photon Communications Ltd do?
Photon Communications Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Photon Communications Ltd?
Photon Communications Ltd was incorporated on 23 January 2025, 1 year ago.
What is the penalty if Photon Communications 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 Photon Communications 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.