- Companies
- Specialist contractors
- Southsea
- Monolith Resources Ltd
Monolith Resources Ltd
- Company number
- 15355613
- Incorporated
- 16 Dec 20232 years trading
- Registered office
- 22 Flat 7, 22 Elphinstone Road, Southsea, PO5 3HR
- Nature of business
- Other specialised construction activities n.e.c.; Other service activities n.e.c.
Monolith Resources Ltd is a 2-year-old private limited company registered in Southsea, company number 15355613, one of 38 specialist construction companies in Southsea. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 30 December 2026 is due at HMRC on 30 December 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 up £224 (+219.6%) on the year before, to £326.
- Current assets of £378 against £52 owed within a year: 7.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £326 | £378 | £378 | £52 | 1 |
| 31 Dec 2024 | £102 | £102 | £102 | 1 |
Where Monolith Resources Ltd is registered
The registered office is in Southsea (PO5), in the Portsmouth local authority area, South East. Show PO5 3HR on a map.
Other trade companies in PO5
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- Luxury Resin Floors and Media Walls LtdBuilders
- Pretty Unique Cleaning Services LtdCleaning companies
- Bay Bricks LtdProperty developers
- Blydan Holdings LimitedProperty developers
- Inside Out Developments Southampton LtdBuilders
- Hampshire Car Hire LtdMechanics and garages
- Baynes Wipers LtdMachinery repair and installation
What happens if Monolith Resources 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Dec 2027 | £200 |
| 3 months late | 30 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Dec 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
- 15355613
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 December 2023 (2 years ago)
- Registered office
- 22 Flat 7, 22 Elphinstone Road, Southsea, PO5 3HR
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Other service activities n.e.c. (SIC 96090) - Year end
- 30 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 15 December 2025
- Previous names
- Monolith Maintenance Ltd (until 30 Jul 2024)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Southsea
Other active specialist construction companies registered in Southsea.
- Oakwood Fencing Ltd2019
- Perfection for Choice Restoration Ltd2021
- Phoenix Sealant Specialist Ltd2025
- Property Checkpoint Ltd2020
- PRS Bathrooms & Tiling Ltd2025
- PRS Ceramics (Fareham) Limited2022
- R & H Carpentry Ltd2018
- Real BGX Systems Limited2025
All specialist construction companies in Southsea · All trades in Southsea · Specialist contractors across the UK
Frequently asked questions
When are Monolith Resources Ltd's accounts due?
Monolith Resources Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 30 December 2026.
When is Monolith Resources Ltd's CT600 due?
The CT600 for the period to 30 December 2026 is due at HMRC by 30 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Monolith Resources Ltd still trading?
Monolith Resources 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 Monolith Resources Ltd do?
Monolith Resources Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Other service activities n.e.c. (SIC 96090).
How old is Monolith Resources Ltd?
Monolith Resources Ltd was incorporated on 16 December 2023, 2 years ago.
What is the penalty if Monolith Resources 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 Monolith Resources 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.