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Other research and experimental development on natural sciences and engineering · Liverpool

Guilford Street Laboratories

Guilford Street Laboratories Ltd

Losses 2 years runningStaff up 400%ActiveLatest figures: 2025Abridged accountsCompany only3 years on the register

Private limited company registered in Liverpool, classed under “Other research and experimental development on natural sciences and engineering”.

Headline figures

FY to Oct 2025 · Company only

Turnover

For subscribers

Profit after tax

−£463k

Net assets

For subscribers

Cash

For subscribers

Employees

For subscribers

Retained reserves

For subscribers

What the numbers say

4 findings from the figures, in plain English

Written by rules from the figures on this page. Not a forecast or a credit opinion.

History

Pro
£2024*2025
Profit after tax−£463k
Turnover
Net assets
Cash
Employees
Retained reserves

Every figure for all 2 years

“—” means we did not find the figure in a source; it is never filled with an estimate. * Restated: the next year's accounts printed different figures for this year, and those later figures are shown.

Balance sheet and ratios

From the filed balance sheets · £

Balance sheet20242025
Fixed assets
Current assets
of which cash
Creditors due within a year
Net current assets
Net assets
Ratios
Return on equityProfit after tax as a share of net assets
Current ratioCurrent assets for every £1 owed within a year
Cash ratioCash for every £1 owed within a year
Creditors to assetsEverything owed to creditors as a share of fixed plus current assets

6 balance-sheet lines and 4 ratios, every year

A ratio appears only for years where every line it needs was filed. Lines are as tagged in the accounts; nothing is added up or estimated.

Timeline

Checked 2026-10-30

  1. Shares
    Statement of capital following an allotment of shares on 28 October 2026 · GBP 16,061.36 (and 37 more like it since 14 January 2024)
  2. Accounts
    Total exemption full accounts made up to 31 October 2025
  3. Filing
    Memorandum and Articles of Association (and 1 more like it since 23 June 2025)
  4. Filing
    Resolutions (and 5 more like it since 26 January 2024)
  5. Accounts
    Micro company accounts made up to 31 October 2024
  6. Directors
    Appointment of Mr Edward Alastair Thomas Critchley as a director on 3 December 2024
  7. Ownership
    Notification of a person with significant control statement
  8. Ownership
    Cessation of Wendy Heywood as a person with significant control on 14 February 2024
  9. Ownership
    Cessation of Kevin Mills as a person with significant control on 14 February 2024
  10. Ownership
    Cessation of Tomas Baldwin as a person with significant control on 14 February 2024
  11. Ownership
    Change of details for Dr Tomas Baldwin as a person with significant control on 26 January 2024
  12. Ownership
    Change of details for Wendy Heywood as a person with significant control on 26 January 2024
  13. 3 earlier
    1. Ownership
      Change of details for Kevin Mills as a person with significant control on 26 January 2024
    2. Address
      Registered office address changed from Liverpool Science Park C/O Mycardium Ai Ltd 131 Mount Pleasant Liverpool L3 5TF United Kingdom to Liverpool Science Park 131 Mount Pleasan…
    3. Incorporation
      Incorporation

From the Companies House filing history. Routine confirmation statements are left out, and a run of the same filing is shown once.

Questions people ask

›What does Guilford Street Laboratories do?

Private limited company registered in Liverpool, classed under “Other research and experimental development on natural sciences and engineering”.

›How much turnover does Guilford Street Laboratories make?

Answered in the full report

›Is Guilford Street Laboratories profitable?

No: it made a loss after tax of £463k in the year to 31 October 2025, its latest filed accounts.

›How many people work at Guilford Street Laboratories?

Answered in the full report

›Who runs and owns Guilford Street Laboratories?

Its directors are Tomas Baldwin, Edward Alastair Thomas Critchley, Wendy Heywood, Kevin Mills, James Charles Connor Moon and 1 more. Its owners are shown to subscribers.

›Where is Guilford Street Laboratories based?

Its registered office is Liverpool Science Park, 131 Mount Pleasant, Liverpool, L3 5TF, in Liverpool.

›When was Guilford Street Laboratories founded?

Guilford Street Laboratories Ltd was incorporated on 10 October 2023.

›Is Guilford Street Laboratories still trading?

The register lists Guilford Street Laboratories Ltd as active.

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