- Companies
- Cleaning companies
- Cardiff
- Seal & Shield Ltd
Seal & Shield Ltd
- Company number
- 17090107
- Incorporated
- 13 Mar 2026
- Registered office
- 39 Cardiff Road, Llandaff, Cardiff, South Glamorgan, CF5 2DP
- Nature of business
- Disinfecting and exterminating services
Seal & Shield Ltd is a newly incorporated private limited company registered in Cardiff, company number 17090107, one of 213 cleaning companies in Cardiff. Its next accounts are due at Companies House on 13 December 2027, and its first CT600 is due at HMRC on 12 March 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 Seal & Shield Ltd is registered
The registered office is in Cardiff (CF5), in the Cardiff local authority area, Wales. Show CF5 2DP 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
11 other companies use the same registered office as Seal & Shield Ltd.
- Celtic Precast LtdInstallers
- Contract Leasing LimitedMechanics and garages
- Fellows Floor Sanding LimitedFloor and wall tilers
- Focus Mep (FM) LtdMachinery repair and installation
- Focus Mep LimitedElectricians
- No.1 Scaffolding - Cardiff LtdScaffolders
- Nuvolt LtdElectricians
- Parc Dewi Sant Developments LimitedProperty developers
- Safety First Contractors LtdFinishing trades
- Severnside Car Company LtdMotor traders
- Smiths Protective Coatings LimitedFloor and wall tilers
What happens if Seal & Shield 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 13 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 14 Dec 2027 to 13 Jan 2028 | £150 |
| 1 to 3 months late | 14 Jan 2028 to 13 Mar 2028 | £375 |
| 3 to 6 months late | 14 Mar 2028 to 13 Jun 2028 | £750 |
| More than 6 months late | From 14 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17090107
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 March 2026
- Registered office
- 39 Cardiff Road, Llandaff, Cardiff, South Glamorgan, CF5 2DP
- Nature of business
- Disinfecting and exterminating services (SIC 81291)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in Cardiff
Other active cleaning companies registered in Cardiff.
- Seers Support Services Limited2009
- SGS Cleaning Ltd2025
- Shado Services Limited2015
- Shine Star Services Ltd2023
- Silverbirch Cleaning Services Limited2008
- Slemany Hand Car Wash Ltd2024
- Sparkly Clean by Nia Ltd2025
- Specialist Oven Cleaning Ltd2025
All cleaning companies in Cardiff · All trades in Cardiff · Cleaning companies across the UK
Frequently asked questions
When are Seal & Shield Ltd's accounts due?
Seal & Shield Ltd's next accounts are due at Companies House by 13 December 2027 (in 426 days), covering the period to 31 March 2027.
When is Seal & Shield 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 12 March 2027, due by 12 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Seal & Shield Ltd still trading?
Seal & Shield 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 Seal & Shield Ltd do?
Seal & Shield Ltd is registered under Disinfecting and exterminating services (SIC 81291).
How old is Seal & Shield Ltd?
Seal & Shield Ltd was incorporated on 13 March 2026, less than a year ago.
What is the penalty if Seal & Shield 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 Seal & Shield 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.