- Companies
- Cleaning companies
- Bognor Regis
- Particle Science Ltd
Particle Science Ltd
- Company number
- 16548902
- Incorporated
- 29 Jun 20251 year trading
- Registered office
- 11 Aldwick Gardens, Bognor Regis, PO21 3QT
- Nature of business
- Other cleaning services
Particle Science Ltd is a 1-year-old private limited company registered in Bognor Regis, company number 16548902, one of 36 cleaning companies in Bognor Regis. Its next accounts are due at Companies House on 29 March 2027, and its first CT600 is due at HMRC on 28 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 Particle Science Ltd is registered
The registered office is in Bognor Regis (PO21), in the Arun local authority area, South East. Show PO21 3QT on a map.
Other trade companies in PO21
- Fineline Painting & Decorating LtdPainters and decorators
- KTM Building LtdBuilders
- Opus Lux LimitedElectricians
- Evergreen Home Solutions (Southern) LtdFinishing trades
- Meridian Mobility LimitedMotor traders
- Safehaven Management LtdCleaning companies
- Home Serv LtdRepair services
- Ajr Roofing Services LtdRoofers
What happens if Particle Science 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 29 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Mar 2027 to 29 Apr 2027 | £150 |
| 1 to 3 months late | 30 Apr 2027 to 29 Jun 2027 | £375 |
| 3 to 6 months late | 30 Jun 2027 to 29 Sep 2027 | £750 |
| More than 6 months late | From 30 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
- 16548902
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 June 2025 (1 year ago)
- Registered office
- 11 Aldwick Gardens, Bognor Regis, PO21 3QT
- Nature of business
- Other cleaning services (SIC 81299)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 28 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 Bognor Regis
Other active cleaning companies registered in Bognor Regis.
- Pro Clean Services 25 Ltd2025
- Radiant Exterior Cleaning Ltd2025
- Russ Windows Commercial Ltd2025
- RW South Ltd2026
- Safehaven Management Ltd2026
- Shorts Window Cleaning Ltd2016
- Southern Clean Exteriors Limited2018
- Sparkle and Shine the Cleaning Company Ltd2026
All cleaning companies in Bognor Regis · All trades in Bognor Regis · Cleaning companies across the UK
Frequently asked questions
When are Particle Science Ltd's accounts due?
Particle Science Ltd's next accounts are due at Companies House by 29 March 2027 (in 168 days), covering the period to 30 June 2026.
When is Particle Science 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 28 June 2026, due by 28 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 Particle Science Ltd still trading?
Particle Science 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 Particle Science Ltd do?
Particle Science Ltd is registered under Other cleaning services (SIC 81299).
How old is Particle Science Ltd?
Particle Science Ltd was incorporated on 29 June 2025, 1 year ago.
What is the penalty if Particle Science 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 Particle Science 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.