What is the Y-tunnus number of Tammet Oy?

Tammet Oy is registered with PRH / YTJ under Y-tunnus 0131275-1.

What is the revenue of Tammet Oy?

Tammet Oy reported revenue of EUR 14,6M in 2025.

How many employees does Tammet Oy have?

Tammet Oy employs 37 people as of the latest annual report.

Who is the CEO of Tammet Oy?

Jan Christian Silén is the CEO of Tammet Oy, in role since 2014.

Who is the chairman of Tammet Oy?

Ulf Sigvard Sjöblom chairs the board of Tammet Oy, in role since 2024.

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Tammet Oy

OYActive

Y-tunnus 0131275-1Manufacture of wire products, chain and springs· NACE 2593Est. 1948 · 78 years old37 employeeswww.tammet.fi

Overview Financials People & ownership Related companies

Financials

Revenue

EUR millions

EBITDA

EUR millions

Income statement

EUR thousands

Item	2021	2022	2023	2024	2025
Revenue	14 689	21 558	14 262	13 223	14 637
Staff expenses	−2 792	−3 167	−2 804	−2 920	−3 198
EBITDA	1 568	3 105	1 065	795	872
Depreciation & amort.	−76	−80	−260	−332	−350
EBIT	1 492	3 025	805	463	522
Net financials	−117	−253	−195	−172	−137
Profit before tax	1 375	2 772	610	292	385
Tax	−0	−0	−0	−0	77
Net profit	1 375	2 772	610	292	308

Balance sheet

EUR thousands

Item	2021	2022	2023	2024	2025
Total assets	6 136	9 691	9 584	9 350	8 913
Equity	2 125	4 898	5 205	5 330	5 638
Long-term debt	700	2 623	3 589	1 936	763
Short-term debt	3 310	2 170	1 991	44 150	2 513
Total debt	4 010	4 793	4 380	4 020	3 276

Financial ratios

5-year trend

EBITDA margin

6.0%

This company

15.8%

Market median

-62% vs market

20212025

Equity ratio

63.2%

This company

38.2%

Market median

+65% vs market

20212025

Return on equity

5.5%

This company

18.4%

Market median

-70% vs market

20212025

Net profit margin

2.1%

This company

8.1%

Market median

-74% vs market

20212025

Asset turnover

1.64×

This company

1.12×

Market median

+46% vs market

20212025

Debt / equity

0.58×

This company

0.62×

Market median

+6% 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

Tammet Oy

Financials

Revenue

EBITDA

Income statement

Balance sheet

Financial ratios

Annual reports & filings

More on Tammet Oy

Financials

Revenue

EBITDA

Income statement

Balance sheet

Financial ratios

Annual reports & filings

More on Tammet Oy