- Companies
- Specialist contractors
- Airdrie
- Blue Flash Security Limited
Blue Flash Security Limited
- Company number
- SC185988
- Incorporated
- 21 May 199828 years trading
- Registered office
- 16 Wellington Street, Airdrie, Lanarkshire, ML6 6LJ
- Nature of business
- Other specialised construction activities n.e.c.
Blue Flash Security Limited is a 28-year-old private limited company registered in Airdrie, company number SC185988, one of 39 specialist construction companies in Airdrie. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Blue Flash Security LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £214K (-197.4%) on the year before, to -£106K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £50K against £154K owed within a year: 0.3 times cover.
- 3 employees on average during the year.
- 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 May 2025 | -£106K | £50K | £154K | 3 | |
| 31 May 2024 | £108K | £39K | £129K | 3 | |
| 31 May 2023 | -£103K | £22K | £113K | 4 | |
| 31 May 2022 | -£72K | £33K | £86K | 4 | |
| 31 May 2021 | -£45K | £58K | £81K | 3 | |
| 31 May 2020 | -£44K | £56K | £85K | 3 | |
| 31 May 2019 | -£55K | £39K | £101K | 3 | |
| 31 May 2018 | -£67K | £31K | £108K | 3 | |
| 31 May 2017 | -£57K | £56K | £127K | ||
| 31 May 2016 | -£64K | £43K | £125K |
Where Blue Flash Security Limited is registered
The registered office is in Airdrie (ML6), in the North Lanarkshire local authority area, Scotland. Show ML6 6LJ on a map.
Other trade companies in ML6
- KM Access Solutions LtdSpecialist contractors
- MTS Roofing LtdBuilders
- Colston Joinery LtdJoiners and carpenters
- Scott Clark Electrics LtdElectricians
- Standard Rentals LtdElectricians
- Build Brothers LtdBuilders
- Murphy Roof Tiling & Roughcasting LtdSpecialist contractors
- Roots&Remembrance LtdCleaning companies
What happens if Blue Flash Security 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- SC185988
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 May 1998 (28 years ago)
- Registered office
- 16 Wellington Street, Airdrie, Lanarkshire, ML6 6LJ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 21 May 2026
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 Airdrie
Other active specialist construction companies registered in Airdrie.
- CDM Consultants Glasgow Ltd2025
- CK Scenic Designs Ltd2023
- Curtis Insulation Limited2004
- Denmtech Ltd2019
- Europecon Ltd2025
- FPDC Limited2026
- Frontier Fencing Contractors Ltd2024
- Gary McDonald Construction Limited2016
All specialist construction companies in Airdrie · All trades in Airdrie · Specialist contractors across the UK
Frequently asked questions
When are Blue Flash Security Limited's accounts due?
Blue Flash Security Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Blue Flash Security Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Blue Flash Security Limited still trading?
Blue Flash Security 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 Blue Flash Security Limited do?
Blue Flash Security Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Blue Flash Security Limited?
Blue Flash Security Limited was incorporated on 21 May 1998, 28 years ago.
What is the penalty if Blue Flash Security 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 Blue Flash Security 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.