Browse Marketing Agencies
Sempai

Sempai

Review
8.4/10
🇵🇱 Krakow, Poland·50 - 249 employees·Reviewed Jul 2026
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Industries
E-Commerce, Retail, B2B
Sempai

Clients

ApartiSpotZepterPWNMorele.netDeeZeeDeichmannCocolita

Sempai Services

SEOPay Per ClickGoogle AdsWeb Analytics

Selected Work

Darmarsklep.pl Microsoft Ads: 2.5x revenue in four months

Darmarsklep.pl

Sempai launched Microsoft Advertising for Polish drugstore Darmarsklep.pl on 1 April 2023. Official results after four months: ROAS rose from 188% to 865% and client revenue from Microsoft Ads increased 2.5-fold.

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Marko.pl: scaling Google Ads after a record year

Marko

Marko is a Polish jewellery retailer. Sempai used Sempai Merchant 360, funnel-based PLA structure, and local/online connection to grow after a record 2020. Official 2021 vs 2020 results: sessions +68%, transactions +43%, ROAS 1031.29%.

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Gandalf.com.pl discovers Microsoft Advertising

Gandalf

Sempai expanded the Gandalf bookstore's paid media into Microsoft Advertising from July 2022. Official results: 4x larger scale at a stable CPC of PLN 0.25, with quarterly ROAS of 1316% then 1065% and over 100% higher revenues.

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Reviews from Google

4.3/5 (12)
5/5· 7 months ago

Collaborating with the Sempai agency is incredibly smooth and professional – it's a pure pleasure. Furthermore, the work with Patrycja Markowska takes place in a wonderful atmosphere, with complete commitment and a high level of class.

5/5· 10 months ago

A great agency that ran a promotional campaign for the Cultural Center. Excellent communication, results, final report, and the final campaign outcome. I highly recommend them!

Reviews sourced from Google

See all 12 reviews on Google

Photos

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