What is the Business ID of Oy SEK Ab?

The Business ID of Oy SEK Ab is 0115535-4.

When was Oy SEK Ab founded?

Oy SEK Ab has been listed in the Finnish Trade Register since 05.05.1967, making the company about 59 years old.

What is Oy SEK Ab's revenue?

The latest reported revenue of Oy SEK Ab was 17,7 M€ in 2025.

How many employees does Oy SEK Ab have?

According to the latest public annual report filings, Oy SEK Ab has approximately 121 employees.

Where is Oy SEK Ab located?

Oy SEK Ab is registered at Siltasaarenkatu, 00530, Helsinki.

What is the primary activity of Oy SEK Ab?

The primary activity of Oy SEK Ab is other activities of advertising agencies (industry code 73112).

Oy SEK Ab

Oy SEK Ab is a Finnish limited company (Oy), listed in the Finnish Trade Register since 05.05.1967. Primary activity is other activities of advertising agencies (TOL 73112). The company is located in Helsinki.

Founded 05.05.1967 Limited company (Oy) Helsinki, 00530 121 employees sek.fi

Other activities of advertising agencies

Overview

Revenue

17,7 M€

2025

Employees

121

2025

Operating profit

549 k€

3.1% margin

2025

Equity ratio

80.2%

2025

About the company

Basic data

Business name: Oy SEK Ab
Registry code: 0115535-4
Legal form: Limited company (Oy)
Status: Active
First registration: 05.05.1967
Address: Siltasaarenkatu, 00530, Helsinki
Primary activity (TOL): 73112 – Other activities of advertising agencies
Website: https://www.sek.fi

Financials

Revenue trend

Annual reports

	2021	2022	2023	2024	2025
Revenue	13,6 M€	15,9 M€	15,9 M€	17,0 M€	17,7 M€
Operating profit	1,2 M€	1,2 M€	859 k€	1,5 M€	549 k€
Op. margin	8.6 %	7.8 %	5.4 %	8.6 %	3.1 %
Growth	+30.5 %	+16.7 %	+0.1 %	+6.7 %	+4.2 %
Equity ratio	73.1 %	74.4 %	79.0 %	70.1 %	80.2 %
Employees	108	118	119	115	121
Balance sheet	7,8 M€	8,3 M€	8,5 M€	10,8 M€	10,1 M€

Board and representatives

Active people registered in the official company register, by role.

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Location on map

The company's registered location: Helsinki.

About Oy SEK Ab

Oy SEK Ab (Business ID 0115535-4) is a Finnish limited company (Oy), registered in the Trade Register on 05.05.1967. Latest reported revenue is 17,7 M€ (2025), with about 121 employees, based in Helsinki.

The company's declared primary activity is other activities of advertising agencies. Browse other companies in the same field on Other activities of advertising agencies.

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Frequently asked questions

What is the Business ID of Oy SEK Ab?: The Business ID of Oy SEK Ab is 0115535-4.
When was Oy SEK Ab founded?: Oy SEK Ab has been listed in the Finnish Trade Register since 05.05.1967, making the company about 59 years old.
What is Oy SEK Ab's revenue?: The latest reported revenue of Oy SEK Ab was 17,7 M€ in 2025.
How many employees does Oy SEK Ab have?: According to the latest public annual report filings, Oy SEK Ab has approximately 121 employees.
Where is Oy SEK Ab located?: Oy SEK Ab is registered at Siltasaarenkatu, 00530, Helsinki.
What is the primary activity of Oy SEK Ab?: The primary activity of Oy SEK Ab is other activities of advertising agencies (industry code 73112).

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