We are a creative house with 110 professionals.

The strength of the wolf is the pack.

We work as a collective both inside the family and with our partners. At our creative house, ideas and solutions are developed openly together by a community of passionate people. When people do the things they’re passionate about it’s destined to have an impact in everything they do.

We’ve been doing this since 1935, so we know what we’re doing. Still we believe that the best is yet to come.



Jorma Suhonen, Holger Erkelenz and Aarno Knuus sign the founding document for O.Y. SEK A.B. in the corner house of Mikonkatu and Esplanadi.


SEK and Amer-Tupakka made the first television commercial in Finland, an entertainment show led by the BOSTON orchestra.


The seventh annual international advertising film festival is held in Venice (now Cannes), where a Finnish work is awarded for the first time: the Boston mirror film, done for Amer-Tupakka, won second prize in its series.


The film “Apple” done for Finnair becomes the first Finnish advertising film to win the Golden Lion at the Cannes International Advertising Festival.


SEK moves to Annankatu and has a housewarming party the next year.


SEK becomes a part of the international Grey network.


SEK becomes the lead agency for Nokia, helping it become the world’s most valuable non-American brand.


SEK celebrates its 80th birthday. SEK does continuing co-operation with internationally acclaimed agency networks such as Grey, Cohn & Wolfe and Possible.


Quru joins forces with SEK, strengthening the professional know-how of analytics, testing, SEO, SEM and digital marketing automation, media and PR

We are a proud part of family

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