- Companies
- Plumbers and heating engineers
- Glasgow
- Bioguardian Limited
Bioguardian Limited
- Company number
- SC720407
- Incorporated
- 20 Jan 20224 years trading
- Registered office
- 2 Fitzroy Place, Glasgow, G3 7RH
- Nature of business
- Plumbing, heat and air-conditioning installation; Wholesale of other machinery and equipment; Specialised cleaning services
Bioguardian Limited is a 4-year-old private limited company registered in Glasgow, company number SC720407, one of 515 plumbing and heating companies in Glasgow. Companies House shows its accounts as overdue: they were due on 29 September 2026.
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 £37K (-24.4%) on the year before, to £113K.
- Current assets of £465K against £417K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2023 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2024 | £113K | £465K | £417K | 0 | |
| 30 Jun 2023 | £150K | £150K | £150K | 3 |
Where Bioguardian Limited is registered
The registered office is in Glasgow (G3), in the Glasgow City local authority area, Scotland. Show G3 7RH on a map.
Other trade companies in G3
- Clyde Electrics Glasgow LimitedElectricians
- Emma's Home & Life Support LtdCleaning companies
- HHP Care2 LtdBuilders
- Fix and Build Joinery LtdJoiners and carpenters
- Betagrid LtdElectricians
- C F H Electrical LtdElectricians
- HR PR Payroll LimitedInstallers
- SPM Scaffolding & Access LimitedCivil engineering
Also registered at this address
5 other companies use the same registered office as Bioguardian Limited.
- Axis Advisors Group LtdProperty developers
- Ayubi Holdings LimitedProperty developers
- Brownfield Evolution LtdBuilders
- C.J. Frazer Contractor Ltd.Finishing trades
- Variety Vehicles Scotland LtdMotor traders
What happens if Bioguardian Limited files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Sep 2026 to 29 Oct 2026 | £150 |
| 1 to 3 months late | 30 Oct 2026 to 29 Dec 2026 | £375 |
| 3 to 6 months late | 30 Dec 2026 to 29 Mar 2027 | £750 |
| More than 6 months late | From 30 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Dec 2026 | £200 |
| 3 months late | 29 Mar 2027 | another £200 |
| 6 months late | 29 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Dec 2027 | 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
- SC720407
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 January 2022 (4 years ago)
- Registered office
- 2 Fitzroy Place, Glasgow, G3 7RH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Wholesale of other machinery and equipment (SIC 46690)
Specialised cleaning services (SIC 81222) - Year end
- 29 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2024
- Last confirmation statement
- 18 October 2025
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Glasgow
Other active plumbing and heating companies registered in Glasgow.
- Biotech Scotland Limited2013
- Bishopbriggs Bathrooms Ltd2023
- Biso Vent Ltd2019
- Blue Flame Energy (Scotland) Limited2026
- Blue Flame Maintenance Limited2021
- BMK Plumbing and Heating Limited2011
- Boiler and Heating Technical Services Limited2025
- Boiler Installation Group Ltd2024
All plumbing and heating companies in Glasgow · All trades in Glasgow · Plumbers and heating engineers across the UK
Frequently asked questions
When are Bioguardian Limited's accounts due?
Bioguardian Limited's accounts were due at Companies House on 29 September 2026 and the register shows them as overdue.
When is Bioguardian Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 June 2025, due by 30 June 2026, and one for the period to 29 December 2025, due by 29 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Bioguardian Limited still trading?
Bioguardian Limited is listed as active on the Companies House register (checked 13 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 Bioguardian Limited do?
Bioguardian Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Wholesale of other machinery and equipment (SIC 46690); Specialised cleaning services (SIC 81222).
How old is Bioguardian Limited?
Bioguardian Limited was incorporated on 20 January 2022, 4 years ago.
What is the penalty if Bioguardian 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 Bioguardian Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.