# A BIO LIMITED (13349556)

> A BIO LIMITED is an active private limited company (company number 13349556) incorporated on 21 April 2021, registered in Cambridge. Its registered activity is research and experimental development on biotechnology (SIC 72110). Latest small accounts cover the period ending 30 April 2025, showing net assets of £19k and cash of £4,665, with 3 employees on average. Net assets rose 19190% on the prior period (£100).

- Status: Active
- Incorporated: 2021-04-21
- Registered office: Cambridge, CB22 3FH
- SIC 72110: Research and experimental development on biotechnology
- Next accounts due: 2027-01-30
- Confirmation statement due: 2027-05-05
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the upper half of 196 comparable companies in Cambridge (median £15k, upper quartile £347k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-04-30 | £19k | £4,665 | £20k | — | — | — | 3 |
| 2024-04-30 | £100 | £100 | £0 | — | — | — | 0 |

size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net assets £19,290 at 30 April 2025
- Net assets up 10% or more on the prior period: +19190.0% vs prior period
- Incorporated five or more years ago: Incorporated 21 April 2021

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Dr David John Grainger — owns 25–50% of shares; holds 25–50% of voting rights; can appoint or remove directors, since 2021-04-21
- Ms Rebecca Katie Grainger — owns 25–50% of shares; holds 25–50% of voting rights; can appoint or remove directors, since 2021-04-21
- Elements Squared Limited (corporate-entity) — owns 25–50% of shares; holds 25–50% of voting rights, since 2025-03-20

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/13349556
HTML: https://firmoscan.com/company/13349556-a-bio-limited