- Companies
- Cleaning companies
- Slough
- Theo Clean Limited
Theo Clean Limited
- Company number
- 09570813
- Incorporated
- 1 May 201511 years trading
- Registered office
- 29 Wellesley Road, Slough, SL1 1UR
- Nature of business
- General cleaning of buildings
Theo Clean Limited is a 11-year-old private limited company registered in Slough, company number 09570813, one of 143 cleaning companies in Slough. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 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 £64 (-0.6%) on the year before, to -£11K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £373 against £12K owed within a year: 0.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | -£11K | £373 | £12K | 0 | |
| 30 Apr 2024 | -£11K | £106 | £12K | 0 | |
| 30 Apr 2023 | -£11K | £39 | £12K | 1 | |
| 30 Apr 2022 | -£12K | £972 | £14K | 1 | |
| 30 Apr 2021 | £14K | £14K | 2 | ||
| 30 Apr 2020 | £7,928 | £0 | £7,928 | 2 | |
| 30 Apr 2019 | £7,148 | £8,099 | £951 | ||
| 30 Apr 2018 | £6,712 | £9,978 | £3,266 | ||
| 30 Apr 2017 | £3,525 | £3,982 | £457 | ||
| 31 May 2016 | £2,764 | £21 | £3,781 | £1,017 |
Where Theo Clean Limited is registered
The registered office is in Slough (SL1), in the Slough local authority area, South East. Show SL1 1UR on a map.
Other trade companies in SL1
- Yanky Construction LtdBuilders
- Westside Automotive LtdMotor traders
- Shadeworks LtdInstallers
- Yad Building Services LimitedBuilders
- Slough Vehicle Repair Centre LtdMechanics and garages
- Hadi Automotive LtdMotor traders
- Imperial Berkshire Motors LtdMotor traders
- MDN General LtdBuilders
Also registered at this address
2 other companies use the same registered office as Theo Clean Limited.
- Aksenia Energy Cleaning LimitedCleaning companies
- Jane Energy Cleaning LimitedCleaning companies
What happens if Theo Clean 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 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
- 09570813
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 May 2015 (11 years ago)
- Registered office
- 29 Wellesley Road, Slough, SL1 1UR
- Nature of business
- General cleaning of buildings (SIC 81210)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 12 November 2025
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 Slough
Other active cleaning companies registered in Slough.
- Tulip Management Limited2020
- UK Property Care Ltd2023
- Umut Cleaning Limited2022
- Universal Clean Services Ltd2026
- Vladi Energy Cleaning Limited2017
- Washed Pro Ltd2025
- Washify Car Wash Ltd2025
- We Clean 24/7 Limited2025
All cleaning companies in Slough · All trades in Slough · Cleaning companies across the UK
Frequently asked questions
When are Theo Clean Limited's accounts due?
Theo Clean Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Theo Clean Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Theo Clean Limited still trading?
Theo Clean 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 Theo Clean Limited do?
Theo Clean Limited is registered under General cleaning of buildings (SIC 81210).
How old is Theo Clean Limited?
Theo Clean Limited was incorporated on 1 May 2015, 11 years ago.
What is the penalty if Theo Clean 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 Theo Clean 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.