What is the Y-tunnus number of Tammas-Marine Oy?

Tammas-Marine Oy is registered with PRH / YTJ under Y-tunnus 0869315-5.

What is the revenue of Tammas-Marine Oy?

Tammas-Marine Oy reported revenue of EUR 715K in 2025.

How many employees does Tammas-Marine Oy have?

Tammas-Marine Oy employs 8 people as of the latest annual report.

Who is the CEO of Tammas-Marine Oy?

Juha Olavi Koponen is Audit of Tammas-Marine Oy, in role since 2014.

Who is the chairman of Tammas-Marine Oy?

Juha Matias Aaltonen chairs the board of Tammas-Marine Oy, in role since 2014.

Where is Tammas-Marine Oy headquartered?

Tammas-Marine Oy's registered address is Lt. 10.

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Tammas-Marine Oy

OYActive

Y-tunnus 0869315-5Lt. 10, 31600 JokioinenBuilding of civilian ships and floating structures · NACE 3011Est. 19918 employees

Overview Financials People & ownership Related companies

Financials

Revenue

EUR millions

EBITDA

EUR millions

Income statement

EUR thousands

Item	2021	2022	2023	2024	2025
Revenue	753	836	803	902	715
Staff expenses	−375	−432	−479	−508	−431
EBITDA	84	58	49	63	13
Depreciation & amort.	−25	−20	−26	−21	−15
EBIT	59	38	23	42	−3
Net financials	−0	−0	−1	−8	22
Profit before tax	59	38	22	34	19
Tax	−0	−0	4	10	2
Net profit	59	38	17	24	17

Balance sheet

EUR thousands

Item	2021	2022	2023	2024	2025
Total assets	394	434	417	403	374
Equity	319	332	323	321	313
Long-term debt	—	—	0	0	0
Short-term debt	75	102	94	82	62
Total debt	75	102	94	82	62

Financial ratios

5-year trend

EBITDA margin

1.8%

This company

15.8%

Market median

-89% vs market

20212025

Equity ratio

83.5%

This company

38.2%

Market median

+119% vs market

20212025

Return on equity

5.5%

This company

18.4%

Market median

-70% vs market

20212025

Net profit margin

2.4%

This company

8.1%

Market median

-70% vs market

20212025

Asset turnover

1.91×

This company

1.12×

Market median

+71% vs market

20212025

Debt / equity

0.20×

This company

0.62×

Market median

+68% vs market

20212025

Annual reports & filings

Annual report 2025
Filed via PRH / YTJ · Period 2025-01-01 – 2025-12-31
View PDF
Annual report 2024
Filed via PRH / YTJ · Period 2024-01-01 – 2024-12-31
View PDF
Annual report 2023
Filed via PRH / YTJ · Period 2023-01-01 – 2023-12-31
View PDF
Annual report 2022
Filed via PRH / YTJ · Period 2022-01-01 – 2022-12-31
View PDF
Annual report 2021
Filed via PRH / YTJ · Period 2021-01-01 – 2021-12-31
View PDF

Tammas-Marine Oy

Financials

Revenue

EBITDA

Income statement

Balance sheet

Financial ratios

Annual reports & filings

More on Tammas-Marine Oy

Financials

Revenue

EBITDA

Income statement

Balance sheet

Financial ratios

Annual reports & filings

More on Tammas-Marine Oy