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We are k-sales

Specialist for team clothing and promotional items & materials. Our actions create strong products, joy and emotions.


Eight years after Marcel Koller’s Championship Title with FC St.Gallen, Marcel Keller founded GmbH. The vision was to offer promotional products and textile printing for Eastern Switzerland.


These three colours today represent our three valuable customer groups: Companies , Events and Clubs/Associations. The offer is identical, but tailored to the customer’s needs.


Depending on the order situation, we have 15 to 20 uncomplicated employees giving their very best for our customers.
Gil Gretler

Gil Gretler

Project Manager / Executive Board Member

Tel. +41 79 698 38

Olivia Koller

Olivia Koller

Head of Order Processing / Customer Service

Tel. +41 71 577 04

Sonja Knechtle

Sonja Knechtle

Order Processing / Customer Service / Office London

Tel. +41 71 380 05

Philip Trümpi

Philip Trümpi

Multi Media Manager / Office London

Tel. +41 71 380 05


Our specialty is the procurement, production and refinement of textiles, promotional items and promotional material – no matter if it’s tiny or huge. Everything independent of quantity and tailored to the needs of our customers.


In addition, we have exciting additional services that greatly simplify everyday life for our customers. For example, digital shop solutions, graphics development, warehousing, delivery service, etc.



We operate from three locations: Gossau, London and Shenzhen.


Partner & Sponsoring

Our number 1s are: customers, partners, sponsoring partners, suppliers, clubs, events and an optimal network. Caring for these essential contacts is of utmost importance to us. This makes us what we are: Your GmbH.



We are uncomplicated, purposeful and quality conscious. We promote efficient and smooth processes. We do this with our common, familiar and dedicated ways of working. We never just use pretty phrases. Our communication is open, direct and genuine.


Our customer relationships are viewed as partnerships. We respond to our customers. We focus on the fulfillment of customer requirements. Even if the procurement of the desired products and articles are in the center, our work stretches far beyond that. It is about creating sustainable trust.


We pay meticulous attention to the optimal balance between ecology, economy and safety. This applies to all our processes, our productions and our suppliers. Together we provide optimal conditions – from A to Z.

Are you looking for something specific? We will gladly make you an offer.

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In the best cooperation with our reliable brand partners. Get ideas now or buy online directly from us.

Shop & Ideas