Question 1

What is the Y-tunnus number of RTN Rakennus Oy?

Accepted Answer

RTN Rakennus Oy is registered with PRH / YTJ under Y-tunnus 1508230-1.

Question 2

What is the revenue of RTN Rakennus Oy?

Accepted Answer

RTN Rakennus Oy reported revenue of EUR 814K in 2025.

Question 3

How many employees does RTN Rakennus Oy have?

Accepted Answer

RTN Rakennus Oy employs 6 people as of the latest annual report.

Question 4

Who is the CEO of RTN Rakennus Oy?

Accepted Answer

Ilkka Henrik Antero Nieminen is Chief Executive Officer of RTN Rakennus Oy, in role since 1999.

Question 5

Who is the chairman of RTN Rakennus Oy?

Accepted Answer

Veli Markku Edvard Nieminen chairs the board of RTN Rakennus Oy, in role since 1999.

Question 6

Where is RTN Rakennus Oy headquartered?

Accepted Answer

RTN Rakennus Oy's registered address is Manulankatu 10.

Name	Role	Member since
Current (2)
IH Ilkka Henrik Antero Nieminen Chief Executive Officer	Chief Executive Officer	1999
TM Tuula Maritta Nieminen Deputy Member	Deputy Member	1999
Former (1)
MA Martti Aarne Olli Audit	Audit	2014 – 2024

Name	Role	Member since
Current (1)
VM Veli Markku Edvard Nieminen	Chairperson	1999

Name	Role	Member since
Current (2)
IH Ilkka Henrik Antero Nieminen Chief Executive Officer	Chief Executive Officer	1999
TM Tuula Maritta Nieminen Deputy Member	Deputy Member	1999
Former (1)
MA Martti Aarne Olli Audit	Audit	2014 – 2024

Name	Role	Member since
Current (1)
VM Veli Markku Edvard Nieminen	Chairperson	1999

RTN Rakennus Oy

People & ownership