What is the Y-tunnus number of JK-House Oy?

JK-House Oy is registered with PRH / YTJ under Y-tunnus 2351366-9.

What is the revenue of JK-House Oy?

JK-House Oy reported revenue of EUR 1,5M in 2025.

How many employees does JK-House Oy have?

JK-House Oy employs 3011 people as of the latest annual report.

Who is the CEO of JK-House Oy?

Jari Juhani Koljonen is Chief Executive Officer of JK-House Oy, in role since 2013.

Where is JK-House Oy headquartered?

JK-House Oy's registered address is C/O Kn-Yhtiöt Oy Kiitoradantie 6.

JK-House Oy

OYActive

Y-tunnus 2351366-9C/O Kn-Yhtiöt Oy Kiitoradantie 6Intermediation service activities for real estate activities · NACE 6831Est. 20103011 employeeswww.flypark.fi

Revenue 2025

EUR 1,5M

-7% vs 2024

EBITDA margin

11.2%

-29% vs 2024

Equity ratio

71.3%

Financial strength

Net profit 2025

EUR 73K

+16% vs 2024

EBITDA — year on yearEUR millions

Key figuresAnnual report 2025

Revenue	EUR 1,5M	-7%
EBITDA	EUR 171K	-29%
Net profit	EUR 73K	+16%
Total assets	EUR 560K	-14%
Equity	EUR 399K	+22%
Employees	3011	—

Item	2021	2022	2023	2024	2025
Revenue	361	1 223	1 508	1 643	1 534
Staff expenses	−30	−59	−74	−82	−84
EBITDA	87	373	376	240	171
Depreciation & amort.	−130	−78	−25	−11	−8
EBIT	−43	295	351	229	164
Net financials	−2	−1	0	3	2
Profit before tax	−1	144	91	80	90
Tax	−0	59	18	17	17
Net profit	−1	85	73	63	73

Item	2021	2022	2023	2024	2025
Total assets	233	316	587	648	560
Equity	105	190	263	326	399
Long-term debt	—	—	0	0	0
Short-term debt	128	126	324	322	160
Total debt	128	126	324	322	160

Name	Role	Member since
Current (4)
JJ Jari Juhani Koljonen Chief Executive Officer	Chief Executive Officer	2013
TI Tiina Irina Lehmuskallio Deputy Member	Deputy Member	2020
JJ Jarno Julius Laine Audit	Audit	2016
CM Carl Mikael Björnsson Hedlund Deputy auditor	Deputy auditor	2016

Person	Role here	Other companies
Jari Juhani Koljonen	Chief Executive Officer	0 companies
Tiina Irina Lehmuskallio	Deputy Member	0 companies
Jarno Julius Laine	Audit	0 companies
Carl Mikael Björnsson Hedlund	Deputy auditor	0 companies