- Company number
- 11030261
- Incorporated
- 25 Oct 20178 years trading
- Registered office
- Apartment 401, 10 Dallington Street, London, EC1V 0DB
- Nature of business
- Construction of commercial buildings
Hillside Securities Limited is a 8-year-old private limited company registered in London, company number 11030261, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 25 December 2026, and the CT600 for the period to 25 March 2026 is due at HMRC on 25 March 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 £263K (-23.2%) on the year before, to -£1.4M.
- Net assets rose in 0 of 6 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 25 Mar 2025 | -£1.4M | £2.3M | 0 | ||
| 25 Mar 2024 | -£1.1M | £1.7M | 0 | ||
| 25 Mar 2023 | -£876K | £1.1M | 0 | ||
| 25 Mar 2022 | -£616K | £616K | 0 | ||
| 25 Mar 2021 | -£422K | £422K | 0 | ||
| 25 Mar 2020 | -£235K | £235K | 0 | ||
| 25 Mar 2019 | -£57K | £57K |
Where Hillside Securities Limited is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 0DB on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Also registered at this address
2 other companies use the same registered office as Hillside Securities Limited.
- Seasonal Properties Holdings LimitedProperty developers
- Seasonal Properties LimitedProperty developers
What happens if Hillside Securities 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 25 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Dec 2026 to 25 Jan 2027 | £150 |
| 1 to 3 months late | 26 Jan 2027 to 25 Mar 2027 | £375 |
| 3 to 6 months late | 26 Mar 2027 to 25 Jun 2027 | £750 |
| More than 6 months late | From 26 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 26 Mar 2027 | £200 |
| 3 months late | 25 Jun 2027 | another £200 |
| 6 months late | 25 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 25 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
- 11030261
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 October 2017 (8 years ago)
- Registered office
- Apartment 401, 10 Dallington Street, London, EC1V 0DB
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 25 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 25 March 2025
- Last confirmation statement
- 24 October 2025
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- Hilltop Works Ltd2012
- Hillwood Structure Limited2014
- Hilton Construction Group Ltd2026
- Hiltongrove Black Limited2016
- Himanshu Kumar Ltd2025
- Himcof Ltd2019
- Hinkwave Ltd2013
- Hintz Group Ltd2024
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Hillside Securities Limited's accounts due?
Hillside Securities Limited's next accounts are due at Companies House by 25 December 2026 (in 73 days), covering the period to 25 March 2026.
When is Hillside Securities Limited's CT600 due?
The CT600 for the period to 25 March 2026 is due at HMRC by 25 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 26 December 2026.
Is Hillside Securities Limited still trading?
Hillside Securities 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 Hillside Securities Limited do?
Hillside Securities Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Hillside Securities Limited?
Hillside Securities Limited was incorporated on 25 October 2017, 8 years ago.
What is the penalty if Hillside Securities 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 Hillside Securities 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.