- Companies
- Electricians
- Edinburgh
- Iq Fire and Security Ltd
Iq Fire and Security Ltd
- Company number
- SC372422
- Incorporated
- 4 Feb 201016 years trading
- Registered office
- 40 40 Burdiehouse Road, Greenwell Wynd, Edinburgh, EH17 8XA
- Nature of business
- Electrical installation; Other construction installation
Iq Fire and Security Ltd is a 16-year-old private limited company registered in Edinburgh, company number SC372422, one of 164 electrical contractors in Edinburgh. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £11K (-8.3%) on the year before, to £121K.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- Current assets of £223K against £227K owed within a year: 1.0 times cover.
- 11 employees on average during the year.
- Balance sheets on record for 8 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £121K | £200K | £223K | £227K | 11 |
| 29 Feb 2024 | £132K | £186K | £222K | £188K | 11 |
| 28 Feb 2024 | £132K | £222K | £188K | 10 | |
| 28 Feb 2023 | £98K | £131K | £97K | 11 | |
| 28 Feb 2022 | £23K | £134K | £334K | 8 | |
| 28 Feb 2021 | £29K | £129K | £304K | 8 | |
| 28 Feb 2020 | £73K | £145K | £296K | 8 | |
| 28 Feb 2019 | £17K | £100K | £107K | 8 |
Public contracts won
Iq Fire and Security Ltd has one public sector contract award on record; the ones with their own published value total £10K (2025). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| UK Research and Innovation | CSP25092 - Fire alarm maintenance | £10K | 27 Jul 2025 |
Where Iq Fire and Security Ltd is registered
The registered office is in Edinburgh (EH17), in the City of Edinburgh local authority area, Scotland. Show EH17 8XA on a map.
Other trade companies in EH17
- JK All Trades LtdJoiners and carpenters
- RRS Electronics LimitedElectricians
- DPG Industrial LtdBuilders
- Capital Sparkle Services LtdCleaning companies
- Saryano LimitedCleaning companies
- North Group Edn LimitedProperty developers
- Ses Access & Rigging LtdSpecialist contractors
- Pidhirnyi Property & Construction LtdJoiners and carpenters
What happens if Iq Fire and Security 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- SC372422
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 February 2010 (16 years ago)
- Registered office
- 40 40 Burdiehouse Road, Greenwell Wynd, Edinburgh, EH17 8XA
- Nature of business
- Electrical installation (SIC 43210)
Other construction installation (SIC 43290) - Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 21 November 2025
- Charges (mortgages)
- 2 outstanding of 2 registered
- Previous names
- Qbus Fire and Security Ltd (until 8 Nov 2011)
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Edinburgh
Other active electrical contractors registered in Edinburgh.
- Iseton Maintenance Services Ltd2012
- JCS Electrical (Scotland) Ltd2022
- JD Electrical (Edinburgh) Ltd2020
- Jess Electrical Services Limited2023
- JRF Property Services Ltd2015
- Kaim Electrical Limited2014
- Kalvn Ltd.2012
- Keith Mulholland Electrical Limited2016
All electrical contractors in Edinburgh · All trades in Edinburgh · Electricians across the UK
Frequently asked questions
When are Iq Fire and Security Ltd's accounts due?
Iq Fire and Security Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Iq Fire and Security Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Iq Fire and Security Ltd still trading?
Iq Fire and Security 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 Iq Fire and Security Ltd do?
Iq Fire and Security Ltd is registered under Electrical installation (SIC 43210); Other construction installation (SIC 43290).
How old is Iq Fire and Security Ltd?
Iq Fire and Security Ltd was incorporated on 4 February 2010, 16 years ago.
Has Iq Fire and Security Ltd won public sector contracts?
Yes. Iq Fire and Security Ltd has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £10K), most recently from UK Research and Innovation.
What is the penalty if Iq Fire and Security 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 Iq Fire and Security 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.