What is the Y-tunnus number of RST Development Oy?

RST Development Oy is registered with PRH / YTJ under Y-tunnus 3397864-6.

What is the revenue of RST Development Oy?

RST Development Oy reported revenue of EUR 70K in 2025.

How many employees does RST Development Oy have?

RST Development Oy employs 1 people as of the latest annual report.

Who is the CEO of RST Development Oy?

Rasmus Simeon Tuomikoski is Chief Executive Officer of RST Development Oy, in role since 2023.

Where is RST Development Oy headquartered?

RST Development Oy's registered address is Saviahonkatu 14.

RST Development Oy

OYActive

Y-tunnus 3397864-6Saviahonkatu 14Economic activity was not specified by tax authority · NACE 0000Est. 20231 employees

Revenue 2025

EUR 70K

+14% vs 2024

EBITDA margin

6.9%

-76% vs 2024

Equity ratio

93.4%

Financial strength

Net profit 2025

EUR 4K

-77% vs 2024

EBITDA — year on yearEUR millions

Key figuresAnnual report 2025

Revenue	EUR 70K	+14%
EBITDA	EUR 5K	-76%
Net profit	EUR 4K	-77%
Total assets	EUR 19K	-8%
Equity	EUR 18K	+14%
Employees	1	—

Item	2024	2025
Revenue	61	70
Staff expenses	−30	−54
EBITDA	20	5
Depreciation & amort.	−0	−0
EBIT	20	5
Net financials	−0	−0
Profit before tax	20	5
Tax	4	1
Net profit	16	4

Item	2024	2025
Total assets	21	19
Equity	16	18
Long-term debt	0	0
Short-term debt	5	1
Total debt	5	1

Name	Role	Member since
Current (2)
RS Rasmus Simeon Tuomikoski Chief Executive Officer	Chief Executive Officer	2023
JA Julius Artturi Tuomikoski Deputy Member	Deputy Member	2023

Person	Role here	Other companies
Rasmus Simeon Tuomikoski	Chief Executive Officer	0 companies
Julius Artturi Tuomikoski	Deputy Member	0 companies