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Efficient Sonics Ltd designs and supplies ultrasonic anti‑fouling systems that prevent algae, barnac Sign up to read more
Profile updated Jun 2026
No share issues or funding rounds.
| Shareholder | Share class | Shares | Holding |
|---|---|---|---|
| DR. ADAM STANISLAW JANUSZ RZADKIEWICZ | ORDINARY | 100 | 100.0% |
| 8888888888888888888888 | 8888888888 | 8888888 | 88888 |
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Capital raised per employee divides the equity EFFICIENT SONICS LTD. raised in the last six months by the headcount in its most recent filed accounts. It is a rough read on how capital-intensive the business is: a high figure means the company is raising a lot relative to the number of people it employs, which is typical of hardware, biotech and other research-heavy businesses. Headcount comes from annual accounts and so lags the funding date, often by a year or more.
These are the directors and secretaries who have left EFFICIENT SONICS LTD.. A resignation is filed with Companies House on form TM01 and the date below is the date the officer's appointment ended, not the date it was filed. Departures matter for reading a company's history: a founder leaving shortly after a funding round, or several directors resigning at once, is often the visible trace of a change of control or a restructure.