ECT is currently owned by Sienna Private Equity, through Sienna Private Equity Fund I, since 2023.

When did Sienna Private Equity acquire ECT?

Sienna Private Equity acquired ECT in 2023 (active for 3 years).

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ECT

Industrials·

France·Active·3yr hold

ECT is a industrials company, headquartered in France.

Entry

2023

Hold

3yr

Status

Active

Est. EV

–

Most recent investor

Sienna Private Equity

3 ownership periods

Key facts

HQFrance

SectorIndustrials

French leader in the upcycling of inert excavated soils for the construction industry and local authorities; Sienna invested as a Fund I…Read full notes

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Last updated April 2026 · Sourced from public filings