HT Nuclear oy

OYActive

Y-tunnus 2684917-6Notkokatu 4, 05880 HyvinkääEngineering activities and related technical consultancy · NACE 7112Est. 2015— employees

Overview Financials People & ownership Related companies

HT Nuclear oy is a Finnish OY based in Hyvinkää, operating in the Other engineering activities and related technical consultancy sector. Incorporated in 2015, the company reported revenue of EUR 11K in its latest annual filing.

Revenue 2025

EUR 11K

+20% vs 2024

EBITDA margin

41.6%

-22% vs 2024

Equity ratio

100.0%

Financial strength

Net profit 2025

EUR 4K

-22% vs 2024

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 11K	+20%
EBITDA	EUR 4K	-22%
Net profit	EUR 4K	-22%
Total assets	EUR 38K	+4%
Equity	EUR 38K	+4%
Employees	—	—

Contact

Address

Notkokatu 4, 05880 Hyvinkää

Phone

+3580440309666

harri.toivonen@pp5.inet.fi

Risika for professionals

Risika provides regulated workflow tools for finance, procurement and compliance teams that need monitoring, alerts and an API.

Visit risika.com

Frequently asked questions

What is the Y-tunnus number of HT Nuclear oy?

HT Nuclear oy is registered with PRH / YTJ under Y-tunnus 2684917-6.

What is the revenue of HT Nuclear oy?

HT Nuclear oy reported revenue of EUR 11K in 2025.

Who is the CEO of HT Nuclear oy?

Kirsi Marja Ruotsalainen is Deputy Member of HT Nuclear oy, in role since 2015.

Where is HT Nuclear oy headquartered?

HT Nuclear oy's registered address is Notkokatu 4.

HT Nuclear oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on HT Nuclear oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on HT Nuclear oy