TromBone Oy

OYActive

Y-tunnus 2314641-6Humalniementie 20C-2013, 00840 HelsinkiBusiness and other management consultancy activities· NACE 7020Est. 2010 · 16 years old1 employeeswww.trombone.fi

Overview Financials People & ownership Related companies

TromBone Oy is a Finnish OY based in Helsinki, operating in the Business and other management consultancy activities sector. Incorporated in 2010, the company has 1 employee and reported revenue of EUR 73K in its latest annual filing.

Revenue 2025

EUR 73K

+132% vs 2024

EBITDA margin

451879643.4%

+9394272161% vs 2024

Net profit 2025

EUR 323K

+9269% vs 2024

Key ratios

See full ratios →

4.8%

This company

20212025

222.0×

This company

20212025

23.1%

This company

20212025

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 73K	+132%
EBITDA	EUR 329,1B	+9394272161%
Net profit	EUR 323K	+9269%
Total assets	EUR 1,4M	+15855%
Equity	EUR 68K	+1420%
Employees	1	—

Contact

Address

Humalniementie 20C-2013, 00840 Helsinki

Phone

+358503213599

tom.bussman@trombone.fi

Website

www.trombone.fi

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Frequently asked questions

What is the Y-tunnus number of TromBone Oy?

TromBone Oy is registered with PRH / YTJ under Y-tunnus 2314641-6.

What is the revenue of TromBone Oy?

TromBone Oy reported revenue of EUR 73K in 2025.

How many employees does TromBone Oy have?

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

Who is the CEO of TromBone Oy?

Tom Kristian Bussman is the CEO of TromBone Oy.

Where is TromBone Oy headquartered?

TromBone Oy's registered address is Humalniementie 20-C13.

TromBone Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on TromBone Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on TromBone Oy