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- Painters and decorators
- Portsmouth
- Atomize Ltd
Company profile · Painters and decorators
Atomize Ltd
Atomize Ltd is a 5-year-old private limited company registered in Portsmouth, company number 13224586, one of 47 painting and decorating companies in Portsmouth. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Atomize Ltd over the years
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 £7,290 (-92.8%) on the year before, to £568.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £30K against £60K owed within a year: 0.5 times cover.
- 4 employees on average, up from 1 the year before.
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £568 | £30K | £60K | 4 | |
| 31 Mar 2024 | £7,858 | £15K | £13K | 1 | |
| 31 Mar 2023 | -£1,375 | £1,032 | £2,532 | £6,525 | 1 |
| 31 Mar 2022 | £196 | £110 | £2,556 | 1 |
Where Atomize Ltd is registered
The registered office is in Portsmouth (PO6), in the Portsmouth local authority area, South East. Show PO6 3UD on a map.
Other trade companies in PO6
- Bellagio Partners LtdBuilders
- Cpenw LtdMachinery repair and installation
- Marla Brickwork & Construction LtdProperty developers
- Miracles in Metal LtdMechanics and garages
- FH Fire & Electrical LtdElectricians
- Thomcore LimitedSpecialist contractors
- JMS Southern LtdElectricians
- The Motum Group LtdSpecialist contractors
What happens if Atomize 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13224586
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 February 2021 (5 years ago)
- Registered office
- 15 Arran Close, Cosham, Portsmouth, PO6 3UD
- Nature of business
- Painting (SIC 43341)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 28 March 2026
Filing notes for painting and decorating companies
Decorating companies are usually labour-based micro-entities working for homeowners and contractors, some of it under CIS.
Similar companies in Portsmouth
Other active painting and decorating companies registered in Portsmouth.
- Austin Decorating Ltd2026
- Benham Painting & Decorating Ltd2010
- Channer&Co Ltd2022
- Christian Decorating Ltd2026
- CTG Decoration Ltd2026
- D Norkett Decorators Ltd2006
- D.I.P Decorating Ltd2026
- Davison & Fenwick Decorators Ltd2020
All painting and decorating companies in Portsmouth · All trades in Portsmouth · Painters and decorators across the UK
Frequently asked questions
When are Atomize Ltd's accounts due?
Atomize Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Atomize Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Atomize Ltd still trading?
Atomize 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 Atomize Ltd do?
Atomize Ltd is registered under Painting (SIC 43341).
How old is Atomize Ltd?
Atomize Ltd was incorporated on 25 February 2021, 5 years ago.
What is the penalty if Atomize 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 Atomize 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.