Firmoscan
Active16295922Private limited companyStaines-Upon-Thames

BIO-31 LTD

Significant control: George Southern Smailes (75–100%)

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

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What does Bio-31 Ltd sell?

Registered activity: Other activities of employment placement agencies (SIC 78109). We’re building product and service lists for UK companies. Get this one when it’s ready.

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01

Summary

Generated from filed data · no estimates

BIO-31 LTD is an active private limited company (company number 16295922) incorporated on 5 March 2025, registered in Staines-Upon-Thames. Its registered activity is other activities of employment placement agencies (SIC 78109). Latest small accounts cover the period ending 31 March 2026, showing net assets of £4,099 and cash of £5,076, with 1 employee on average.

Peer position · net assets

By net assets it sits in the upper half of 1,859 comparable companies in Greater London (median £2,416, upper quartile £36k).

02

Ownership and control

1 active
  • Mr George Southern Smailes
    Individual · since 5 March 2025
    • owns 75–100% of shares
    • holds 75–100% of voting rights
    • can appoint or remove directors

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.

03

Key dates

Incorporated
5 March 20251 yr ago
Next accounts due
31 December 2027in 434 days
Confirmation statement due
19 March 2027in 147 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

04

Activity

SIC 78109
Other activities of employment placement agencies
Accounts type
Total Exemption Full
Size band
MicroCompanies Act thresholds
05

Financials

1 period on record · latest ending 31 March 2026
Net assets
£4,099
1 period on record
Cash at bank
£5,076
1 period on record
Turnover
Not reported
Employees
1
1 period on record
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
31 March 2026£4,099£5,076£926£1,903—£4,5891
Current ratio3.15Current assets ÷ creditors within one year
Cash per employee£5,076Cash ÷ average employees

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.

06

Filing and accounts signals

Facts from the register · no rating
  • Net assets above zeroNet assets £4,099 at 31 March 2026
  • Current assets at least 1.5× creditors within one yearCurrent ratio 3.15
  • Incorporated less than two years agoIncorporated 5 March 2025; no accounts due yet

Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.

07

Timeline

Newest first
  1. Next accounts duein 434 days
  2. Confirmation statement duein 147 days
  3. Accounts period endNet assets £4,099 · small accounts
  4. Incorporated
08

Similar companies in Greater London

Same activity (other activities of employment placement agencies), closest in incorporation date

All companies incorporated on 5 March 2025 · in Mar 2025.

09

Reminders for BIO-31 LTD

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.

Source: Companies House register, snapshot 2026-08-31; accounts from the Companies House accounts data product. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.

This information comes from public filings and our automated processing of them. It may contain errors, be incomplete or be out of date, and is not advice or a credit reference. Check the official record before relying on it. Terms · Privacy · Report an error (corrected within one working day).