Question 1

What is the Y-tunnus number of Oy Insinööritoimisto Steinwand Ab?

Accepted Answer

Oy Insinööritoimisto Steinwand Ab is registered with PRH / YTJ under Y-tunnus 0783607-0.

Question 2

What is the revenue of Oy Insinööritoimisto Steinwand Ab?

Accepted Answer

Oy Insinööritoimisto Steinwand Ab reported revenue of EUR 6K in 2025.

Question 3

Who is the CEO of Oy Insinööritoimisto Steinwand Ab?

Accepted Answer

Juha Viljami Haapaniemi is Deputy Member of Oy Insinööritoimisto Steinwand Ab, in role since 2020.

Question 4

Who is the chairman of Oy Insinööritoimisto Steinwand Ab?

Accepted Answer

Arto Tapani Haapaniemi chairs the board of Oy Insinööritoimisto Steinwand Ab, in role since 1992.

Question 5

Where is Oy Insinööritoimisto Steinwand Ab headquartered?

Accepted Answer

Oy Insinööritoimisto Steinwand Ab's registered address is Marsutie 3-B.

Name	Role	Member since
Current (2)
JV Juha Viljami Haapaniemi Deputy Member	Deputy Member	2020
AT Arto Tapani Haapaniemi Chief Executive Officer	Chief Executive Officer	2020
Former (2)
AT Arto Tapani Haapaniemi Chief Executive Officer	Chief Executive Officer	1992 – 2020
VE Viljo Eino Haapaniemi Deputy Member	Deputy Member	1992 – 2020

Name	Role	Member since
Former (1)
AT Arto Tapani Haapaniemi	Board of Directors	1992 – 2020

Name	Role	Member since
Current (2)
JV Juha Viljami Haapaniemi Deputy Member	Deputy Member	2020
AT Arto Tapani Haapaniemi Chief Executive Officer	Chief Executive Officer	2020
Former (2)
AT Arto Tapani Haapaniemi Chief Executive Officer	Chief Executive Officer	1992 – 2020
VE Viljo Eino Haapaniemi Deputy Member	Deputy Member	1992 – 2020

Name	Role	Member since
Former (1)
AT Arto Tapani Haapaniemi	Board of Directors	1992 – 2020

Oy Insinööritoimisto Steinwand Ab

People & ownership