- Companies
- Civil engineering
- Mexborough
- CB Comms Ltd
CB Comms Ltd
- Company number
- 13922291
- Incorporated
- 17 Feb 20224 years trading
- Registered office
- 39/43 Bridge Street, Swinton, Mexborough, S64 8AP
- Nature of business
- Construction of utility projects for electricity and telecommunications
CB Comms Ltd is a 4-year-old private limited company registered in Mexborough, company number 13922291, one of 21 civil engineering contractors in Mexborough. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 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 £38K (-34.3%) on the year before, to £73K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £187K against £116K owed within a year: 1.6 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £73K | £30K | £187K | £116K | 0 |
| 28 Feb 2025 | £111K | £60K | £185K | £76K | 2 |
| 28 Feb 2024 | £53K | £26K | £84K | £34K | 2 |
| 28 Feb 2023 | £45K | £6,953 | £7,005 | £38K | 2 |
Where CB Comms Ltd is registered
The registered office is in Mexborough (S64), in the Rotherham local authority area, Yorkshire and The Humber. Show S64 8AP on a map.
Other trade companies in S64
- SB’S Home Improvements LtdRepair services
- S J Croome Construction LtdInstallers
- Sourc LtdElectricians
- Arc Building & Interiors LtdInstallers
- 3P Project Solutions LimitedSpecialist contractors
- A&H Tyres LtdMotor traders
- Northdale Construction LtdBuilders
- A.J.W Plumbing & Heating Northern LtdPlumbers and heating engineers
Shared registered office
89 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 CB Comms 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 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 13922291
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 February 2022 (4 years ago)
- Registered office
- 39/43 Bridge Street, Swinton, Mexborough, S64 8AP
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 23 October 2025
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 Mexborough
Other active civil engineering contractors registered in Mexborough.
- County Roadworks Limited2002
- D T Filling Stations Limited1996
- DFW Building Services Limited2024
- Enco Engineering Limited1986
- Engineered Air Systems Ltd2010
- Goni 1627 Limited2015
- K-Net Installations Ltd2018
- Mark Epton Ltd2018
All civil engineering contractors in Mexborough · All trades in Mexborough · Civil engineering across the UK
Frequently asked questions
When are CB Comms Ltd's accounts due?
CB Comms Ltd's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is CB Comms Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is CB Comms Ltd still trading?
CB Comms 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 CB Comms Ltd do?
CB Comms Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is CB Comms Ltd?
CB Comms Ltd was incorporated on 17 February 2022, 4 years ago.
What is the penalty if CB Comms 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 CB Comms 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.