TheSi Oy

Q: What is the Y-tunnus number of TheSi Oy?

TheSi Oy is registered with PRH / YTJ under Y-tunnus 3559822-5.

Q: Who is the CEO of TheSi Oy?

Thea Sillaste is the CEO of TheSi Oy.

Q: Where is TheSi Oy headquartered?

TheSi Oy's registered address is Aallonkohina 6-E48.

OYActive

Y-tunnus 3559822-5Aallonkohina 6E-648, 02320 EspooGeneral cleaning of buildings· NACE 8121Est. 2025 · <1 year old— employees

Overview Financials People & ownership Related companies

TheSi Oy is a Finnish OY based in Espoo, operating in the General cleaning of buildings sector. Incorporated in 2025.

Revenue

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EBITDA margin

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Net profit

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EBITDA — year on year

EUR millions

No figures reported for this period.

Key figures

Annual report

Revenue	—	—
EBITDA	—	—
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Total assets	—	—
Equity	—	—
Employees	—	—

Contact

Address

Aallonkohina 6E-648, 02320 Espoo

Phone

+3580440489698

thea.sillaste@gmail.com

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Frequently asked questions

What is the Y-tunnus number of TheSi Oy?

TheSi Oy is registered with PRH / YTJ under Y-tunnus 3559822-5.

Who is the CEO of TheSi Oy?

Thea Sillaste is the CEO of TheSi Oy.

Where is TheSi Oy headquartered?

TheSi Oy's registered address is Aallonkohina 6-E48.

TheSi Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on TheSi Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on TheSi Oy