- Companies
- Cleaning companies
- Leigh on Sea
- Atg Biohazard Cleaning Limited
Atg Biohazard Cleaning Limited
- Company number
- 16512527
- Incorporated
- 11 Jun 20251 year trading
- Registered office
- Top Floor, 10 the Broadway, Leigh on Sea, Essex, SS9 1AW
- Nature of business
- Specialised cleaning services
Atg Biohazard Cleaning Limited is a 1-year-old private limited company registered in Leigh on Sea, company number 16512527, one of 21 cleaning companies in Leigh on Sea. Its next accounts are due at Companies House on 11 March 2027, and its first CT600 is due at HMRC on 10 June 2027.
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 Atg Biohazard Cleaning Limited is registered
The registered office is in Leigh on Sea (SS9), in the Southend-on-Sea local authority area, East of England. Show SS9 1AW on a map.
Other trade companies in SS9
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- Alexander Hall Real Estate LtdProperty developers
- Britannia Roofing & Dampproofing LtdRoofers
- Elite Build & Co (Essex) LtdBuilders
- High Lift Scaffold LimitedScaffolders
- Hill's Plumbing, Heating & Gas LtdPlumbers and heating engineers
- MTS Piling LimitedSpecialist contractors
- Install & Transport LimitedMachinery repair and installation
Shared registered office
208 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 Atg Biohazard Cleaning Limited 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 11 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 Mar 2027 to 11 Apr 2027 | £150 |
| 1 to 3 months late | 12 Apr 2027 to 11 Jun 2027 | £375 |
| 3 to 6 months late | 12 Jun 2027 to 11 Sep 2027 | £750 |
| More than 6 months late | From 12 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 16512527
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 June 2025 (1 year ago)
- Registered office
- Top Floor, 10 the Broadway, Leigh on Sea, Essex, SS9 1AW
- Nature of business
- Specialised cleaning services (SIC 81222)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 10 June 2026
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 Leigh on Sea
Other active cleaning companies registered in Leigh on Sea.
- B & I Cleaning Ltd2009
- Basildon Contract Cleaners Limited2012
- D P Snow Limited2009
- Esl Cleaning Services Limited2025
- Essex Flue Care Ltd2018
- H&H Pest & Wildlife Management Ltd2026
- House Proud Housekeeping Ltd2023
- Key Cleaning Company Limited2012
All cleaning companies in Leigh on Sea · All trades in Leigh on Sea · Cleaning companies across the UK
Frequently asked questions
When are Atg Biohazard Cleaning Limited's accounts due?
Atg Biohazard Cleaning Limited's next accounts are due at Companies House by 11 March 2027 (in 149 days), covering the period to 30 June 2026.
When is Atg Biohazard Cleaning Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 10 June 2026, due by 10 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Atg Biohazard Cleaning Limited still trading?
Atg Biohazard Cleaning Limited 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 Atg Biohazard Cleaning Limited do?
Atg Biohazard Cleaning Limited is registered under Specialised cleaning services (SIC 81222).
How old is Atg Biohazard Cleaning Limited?
Atg Biohazard Cleaning Limited was incorporated on 11 June 2025, 1 year ago.
What is the penalty if Atg Biohazard Cleaning Limited 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 Atg Biohazard Cleaning Limited 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.