What is the Y-tunnus number of Serenum PreLex Oy?

Serenum PreLex Oy is registered with PRH / YTJ under Y-tunnus 3407314-4.

What is the revenue of Serenum PreLex Oy?

Serenum PreLex Oy reported revenue of EUR 486K in 2025.

Who is the CEO of Serenum PreLex Oy?

Osmo Antero Soinio is Deputy auditor of Serenum PreLex Oy, in role since 2025.

Who is the chairman of Serenum PreLex Oy?

Johan Kristian Karlsson chairs the board of Serenum PreLex Oy, in role since 2023.

Where is Serenum PreLex Oy headquartered?

Serenum PreLex Oy's registered address is Läntinen Rantakatu 53.

Serenum PreLex Oy

OYActive

Y-tunnus 3407314-4Läntinen Rantakatu 53Business and other management consultancy activities · NACE 7020Est. 2023— employees

Revenue 2025

EUR 486K

+118% vs 2024

EBITDA margin

34.9%

+135% vs 2024

Equity ratio

50.2%

Financial strength

Net profit 2025

EUR 135K

+136% vs 2024

EBITDA — year on yearEUR millions

Key figuresAnnual report 2025

Revenue	EUR 486K	+118%
EBITDA	EUR 169K	+135%
Net profit	EUR 135K	+136%
Total assets	EUR 139K	-99%
Equity	EUR 70K	-99%
Employees	—	—

Item	2024	2025
Revenue	223	486
Staff expenses	−81	−210
EBITDA	72	169
Depreciation & amort.	−0	−0
EBIT	72	169
Net financials	0	0
Profit before tax	72	170
Tax	15	35
Net profit	57	135

Item	2024	2025
Total assets	9 649	139
Equity	5 737	70
Long-term debt	0	0
Short-term debt	3 912	69
Total debt	3 912	69

Name	Role	Member since
Current (3)
OA Osmo Antero Soinio Deputy auditor	Deputy auditor	2025
EK Elina Katariina Niemi Audit	Audit	2025
SS Stina Sarianne Mäkelä Chief Executive Officer	Chief Executive Officer	2023

Name	Role	Member since
Current (2)
JK Johan Kristian Karlsson	Board of Directors	2023
HI Henri Ilmari Pelkonen	Board of Directors	2023

Person	Role here	Other companies
Osmo Antero Soinio	Deputy auditor	0 companies
Elina Katariina Niemi	Audit	0 companies
Stina Sarianne Mäkelä	Chief Executive Officer	0 companies
Johan Kristian Karlsson	Board of Directors	0 companies
Henri Ilmari Pelkonen	Board of Directors	0 companies