- Companies
- Specialist contractors
- Solihull
- Sem Byrne Ltd
Sem Byrne Ltd
- Company number
- 13648632
- Incorporated
- 28 Sep 20215 years trading
- Registered office
- Unit 1, Rumbush Farm Business Park Rumbush Lane, Earlswood, Solihull, B94 5LW
- Nature of business
- Other specialised construction activities n.e.c.
Sem Byrne Ltd is a 5-year-old private limited company registered in Solihull, company number 13648632, one of 142 specialist construction companies in Solihull. Its next accounts are due at Companies House on 5 January 2027, and the CT600 for the period to 5 April 2026 is due at HMRC on 5 April 2027.
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 £4,459 (-28.2%) on the year before, to £11K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £22K against £10K owed within a year: 2.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 5 Apr 2025 | £11K | £22K | £10K | 1 | |
| 5 Apr 2024 | £16K | £26K | £9,740 | 1 | |
| 5 Apr 2023 | £13K | £21K | £7,512 | 1 | |
| 30 Sep 2022 | £100 | £100 |
Where Sem Byrne Ltd is registered
The registered office is in Solihull (B94), in the Solihull local authority area, West Midlands. Show B94 5LW on a map.
Other trade companies in B94
- Legion Landscapes LtdLandscapers and gardeners
- Yates Gas Plumbing & Heating LtdPlumbers and heating engineers
- Birmingham & Midlands Scaffolding LtdScaffolders
- Electrical Essence LtdElectricians
- Solihull Heating & Cooling LtdPlumbers and heating engineers
- Solihull Heating and Air Conditioning LtdPlumbers and heating engineers
- A.P.Hyde Bricklaying & Construction LtdSpecialist contractors
- Pure Perfection Cleaning Contractors LtdCleaning companies
Shared registered office
138 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 Sem Byrne 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 5 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Jan 2027 to 5 Feb 2027 | £150 |
| 1 to 3 months late | 6 Feb 2027 to 5 Apr 2027 | £375 |
| 3 to 6 months late | 6 Apr 2027 to 5 Jul 2027 | £750 |
| More than 6 months late | From 6 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 6 Apr 2027 | £200 |
| 3 months late | 5 Jul 2027 | another £200 |
| 6 months late | 5 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 5 Apr 2028 | 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
- 13648632
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 September 2021 (5 years ago)
- Registered office
- Unit 1, Rumbush Farm Business Park Rumbush Lane, Earlswood, Solihull, B94 5LW
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 5 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 5 April 2025
- Last confirmation statement
- 27 September 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Solihull
Other active specialist construction companies registered in Solihull.
- Servoplan Limited2005
- Sign Art Installations Ltd2023
- Sigum Ltd2022
- Simcoll Lmetd Limited2016
- Skyline Lifting International Ltd2024
- SLB Construction Services Ltd2023
- Sos Group Services Limited1984
- T.A.R. Piling Limited2020
All specialist construction companies in Solihull · All trades in Solihull · Specialist contractors across the UK
Frequently asked questions
When are Sem Byrne Ltd's accounts due?
Sem Byrne Ltd's next accounts are due at Companies House by 5 January 2027 (in 84 days), covering the period to 5 April 2026.
When is Sem Byrne Ltd's CT600 due?
The CT600 for the period to 5 April 2026 is due at HMRC by 5 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 6 January 2027.
Is Sem Byrne Ltd still trading?
Sem Byrne Ltd is listed as active on the Companies House register (checked 12 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 Sem Byrne Ltd do?
Sem Byrne Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Sem Byrne Ltd?
Sem Byrne Ltd was incorporated on 28 September 2021, 5 years ago.
What is the penalty if Sem Byrne 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 Sem Byrne Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.