What is the Y-tunnus number of Timanttirakennus Oy?

Timanttirakennus Oy is registered with PRH / YTJ under Y-tunnus 2521201-8.

What is the revenue of Timanttirakennus Oy?

Timanttirakennus Oy reported revenue of EUR 51K in 2025.

How many employees does Timanttirakennus Oy have?

Timanttirakennus Oy employs 1 people as of the latest annual report.

Who is the CEO of Timanttirakennus Oy?

Juha Olavi Koponen is Audit of Timanttirakennus Oy, in role since 2018.

Where is Timanttirakennus Oy headquartered?

Timanttirakennus Oy's registered address is Kangastie 1255.

Timanttirakennus Oy

OYActive

Y-tunnus 2521201-8Kangastie 1255Construction of residential and non-residential buildings · NACE 4100Est. 20131 employees

Revenue 2025

EUR 51K

-27% vs 2024

EBITDA margin

8.6%

+502% vs 2024

Equity ratio

71.2%

Financial strength

Net profit 2025

EUR 4K

+506% vs 2024

EBITDA — year on yearEUR millions

Key figuresAnnual report 2025

Revenue	EUR 51K	-27%
EBITDA	EUR 4K	+502%
Net profit	EUR 4K	+506%
Total assets	EUR 13K	+49%
Equity	EUR 9K	+87%
Employees	1	—

Item	2021	2022	2023	2024	2025
Revenue	65	36	72	70	51
Staff expenses	−16	−23	−25	−24	−14
EBITDA	5	−7	−1	−1	4
Depreciation & amort.	—	—	−0	−0	−0
EBIT	5	−7	−1	−1	4
Net financials	—	−0	−0	0	0
Profit before tax	5	−7	−1	−1	4
Tax	1	−0	−0	−0	−0
Net profit	4	−7	−0	−1	4

Item	2021	2022	2023	2024	2025
Total assets	23	9	912	9	13
Equity	13	7	6	5	9
Long-term debt	—	—	0	0	0
Short-term debt	9	3	3	4	4
Total debt	9	3	3	4	4

Name	Role	Member since
Current (2)
TK Timo Kalevi Leppänen Chief Executive Officer	Chief Executive Officer	2018
AR Aku Reiska Kalevi Leppänen Deputy Member	Deputy Member	2018
Former (1)
JO Juha Olavi Koponen Audit	Audit	2018 – 2023

Person	Role here	Other companies
Juha Olavi Koponen	Audit	0 companies
Timo Kalevi Leppänen	Chief Executive Officer	0 companies
Aku Reiska Kalevi Leppänen	Deputy Member	0 companies