About Us

Who are we?

Marketing Investment Group has been successfully operating on the footwear and clothing market in CEE region for 30 years. We have been resiliently developing our retail chains – Sizeer, 50 style, Timberland and Symbiosis. We are the sole distributor of New Era, Lotto and Umbro. Thanks to the hard work of our team, we have managed to gain the trust of thousands of customers in the CEE.

    Sizeer is the mutlibrand chain of stores gaining more and more customers every year. In more than 170 stores, one will find the top brands such as Nike, adidas, Reebok, Lacoste, Timberland, Puma, Vans, Converse or New Era that are hallmarks of the best shopping centres in Poland. On December 17th 2013, we opened the first Sizeer store in Germany. That date was also the beginning of an intensive brand expansion on the CEE. Now, we manage Sizeer stores in Germany, Czech Republic, Slovakia, Lithuania, Latvia, Estonia, Romania and Hungary.

    50 style is an equally important brand. “Active.Together” – the brand’s motto is based on its versatility and the assortment’s diversity. In 50 style, every family member will find something great for themselves. Well-known brands, such as Nike, adidas, Puma, Umbro, Lotto or Feewear, will appeal to everyone. Now, there are more than 150 stores in Poland and Lithuania.

    Through its products, Timberland wants to be part of the history – both the small one of the individual, and the large, global one. By offering highest quality, ecologically manufactured products, Timberland fulfills its mission of being a CSR-oriented and modern brand. Timberland’s team consists of various people, united by one thing – they want to equip their customers with comfortable, enduring products that will help them discover the world. Polish Timberland stores are located in 19 points in the biggest cities.

    Umbro reaches out to everyone, who wants to discover all the sides and mysteries of football. The brand’s presence in more than 80 countries enables it to spread the football joy to a wide group of fans. Umbro promotes the positive football culture that consists of passion, faith, unity and fun.

    Symbiosis is our latest footwear concept with an elegant assortment for men and women. We are planning its expansion in the largest cities in Poland.

Marketing Investment Group – passion and individualism

MIG has been operating on the Polish market since 1998. However, our roots date back as far as 1989. Every day, we are guided by the following values:

  • Opennes
  • Respect
  • Trust
  • Responsibility
  • Professional development

We equip our custmers only with the best products. We deeply care about the quality. And from our partners we expect the same. We know and understand the meaning of “responsibility” – we act with full awareness and we stand by our decisions. We also deeply value “trust” – we care about an equal, open and just style of communication – with our partners, out customers and our employees.  

Our history

In 1989, Zbigniew Grząka initiated the commercial activity and a year later was joined by Leon and Andrzej Grząka. Since its beginning the company was involved in the retail of sports brands.

In 1992, company ZG PLUS s.c. was set up and the company introduced the brands Kelme, Activ, Head and Lotto in Poland. Soon. ZG PLUS s.c. became the sole distributor of Puma and Fila in south-eastern Poland.

In 1996, the company decided to start independent import and broadened its assortment with Blackstone and Sketchers. Also that year, Andrzej Osika joined the company (former Wisła Kraków basketball player and a ski instructor). He brought into the company the precious experience from his time spent in Reebok.

In 1998, the shareholders brought to life Marketing Investment Group Sp. z o. o. (MIG). The company signed a master franchise agreement with an international chain of sports stores.

In 2002, MIG managed tens of stores in Poland. We brought another worldwide-known brands to the country. Three of them decided to name us their sole distributor in Poland.

Since 2002, MIG has been representing Timberland and Umbro in Poland. In 2009, we added the Lacoste footwear line.

In 2006, 50 style brand was set up.

In 2008, The Athlete’s Foot was rebranded into Sizeer. After the rebranding, the number of Sizeer stores started growing rapidly in the biggest shopping centres in Poland.

In 2012, another international partners chose to cooperate with MIG. That year, we became the distributor of New Era, Lotto and Head.

In 2013, we enlisted O’Neill and first Sizeer abroad (in Berlin, Germany) was openned. 

In 2014, we have celebrated our 25th year on the Polish market and we have also opened out 200th store.  

In 2015, we have contunued a cooperation with charity foundation “Mam Marzenie”.

In 2016, we achieved a prize as „Solidny Pracodawca” (Reliable Employer) – 3rd year in a row.

 In 2017, first Sizeer stores were openned in Latvia and MIG Group was called as „Solidny Pracodawca” (Reliable Employer) – 4th year in a row.  

In 2018, first 50 style store abroad (Vilnus, Lithuania) was openned as well, Sizeer stores has appeared in Romania and Hungary. 

In 2019, the company celebrates 30th anniversary.

MIG today and tomorrow

MIG currently provides consumers with products of famous brands in nearly 400 stores, both through its own retail chains of stores and through an extensive network of wholesale distribution. Marketing Investment Group efficiently manages a growing network of over 170 Sizeer stores, Timberland (on the Polish market operates 19 stores), over 150 stores of 50 style, 17  Symbiosis stores and 9 Umbro stores.

In addition, the company focuses on developing its sales through e-commerce channels:

e-sizeer.com | timberland.pl | 50style.com | NewEra.pl | Symbiosis.com.pl | GaleriaMarek.pl | butysportowe.pl | sizeer.de | sizeer.cz | sizeer.sk | sizeer.lt | sizeer.at | sizeer.ro | sizeer.hu| 50style.lt | e50style.cz

By constantly striving to improve operating standards and caring for the recognition of the brands and concepts, today Marketing Investment Group creates a stable platform for further dynamic and sustainable development.  

MIG success is created by people

People are the real power behind MIG’s success. Our employees are highly involved in carrying out the company’s mission. Suitable qualifications, experience and competence are combined with passion, interests and individual points of view on the outside world. The Company is the perfect place for various personalities and work methods. We are putting an emphasis on the constant growth and sharing our knowledge with our Customers.  

Our brands