- Companies
- Cleaning companies
- Harrow
- Solventia Limited
Solventia Limited
- Company number
- 04139123
- Incorporated
- 11 Jan 200125 years trading
- Registered office
- C/O Cox Costello & Horne, 7 ST. Johns Road, Harrow, HA1 2EY
- Nature of business
- General cleaning of buildings
Solventia Limited is a 25-year-old private limited company registered in Harrow, company number 04139123, one of 201 cleaning companies in Harrow. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £103K (-134.9%) on the year before, to -£27K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £205K against £222K owed within a year: 0.9 times cover.
- 47 employees on average, down from 58 the year before.
- 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 |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£27K | £44K | £205K | £222K | 47 |
| 31 Jan 2024 | £76K | £31K | £228K | £138K | 58 |
| 31 Jan 2023 | £84K | £33K | £265K | £164K | 61 |
| 31 Jan 2022 | £92K | £88K | £301K | £185K | 54 |
| 31 Jan 2021 | £710K | £721K | £935K | £208K | 0 |
| 31 Jan 2020 | £565K | £461K | £672K | £134K | 63 |
| 31 Jan 2019 | £463K | £402K | £650K | £211K | 62 |
| 31 Jan 2018 | £364K | £252K | £501K | £155K | 0 |
| 31 Jan 2017 | £253K | £120K | £352K | £121K | 0 |
| 31 Jan 2016 | £152K | £165K | £339K | £200K |
Where Solventia Limited is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 2EY on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Also registered at this address
18 other companies use the same registered office as Solventia Limited.
- 12 Cleaning Company LimitedCleaning companies
- Allwinds Ground Maintenance LtdLandscapers and gardeners
- Alphabet Services LimitedFacilities management
- Alter & Native (DM) LimitedProperty developers
- Builder Cleans LimitedCleaning companies
- CCL Construction LimitedSpecialist contractors
- Fine Home Building LtdBuilders
- G J Taylor & Company LimitedBuilders
- Gilchrist Engineering Holdings LimitedPlumbers and heating engineers
- Gilchrist Engineering Services LimitedPlumbers and heating engineers
- JMP Facilities (Developments - Eccles 1) LimitedProperty developers
- JMP Facilities (Developments) LimitedProperty developers
- JMP Facilities LimitedProperty developers
- Jnoad LimitedElectricians
- Old Bills Pest Control LimitedCleaning companies
- S&M Truck Services LimitedMechanics and garages
- Scozak Development LimitedBuilders
- WB Building Contractors LimitedSpecialist contractors
What happens if Solventia 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 04139123
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 January 2001 (25 years ago)
- Registered office
- C/O Cox Costello & Horne, 7 ST. Johns Road, Harrow, HA1 2EY
- Nature of business
- General cleaning of buildings (SIC 81210)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 10 February 2026
- Charges (mortgages)
- 0 outstanding of 2 registered
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 Harrow
Other active cleaning companies registered in Harrow.
- Sparkle and Go Ltd2021
- Sparkle House Ltd2022
- Sparkling Window Cleaners Ltd2025
- Spraykings Ltd2026
- Stalwart Services Limited2002
- Sunshine Maids Ltd2021
- Support Cleaning Services Limited2023
- Supreme Steam Clean Ltd2022
All cleaning companies in Harrow · All trades in Harrow · Cleaning companies across the UK
Frequently asked questions
When are Solventia Limited's accounts due?
Solventia Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Solventia Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Solventia Limited still trading?
Solventia 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 Solventia Limited do?
Solventia Limited is registered under General cleaning of buildings (SIC 81210).
How old is Solventia Limited?
Solventia Limited was incorporated on 11 January 2001, 25 years ago.
What is the penalty if Solventia 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 Solventia 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.