Resources / Case Studies

Brands building second sales.

A closer look at how operators run resale, trade-in and marketplace on Zelph — and what it does for their numbers.

Sneaker Retailer · Carnaby Street, London

OG Kicks

Established by Ryan Jackson in 2016, OG Kicks grew from a top-ten Depop seller worldwide to a flagship store on Carnaby Street, Soho. With Zelph they opened a seller network and turned resale into their lowest-CAC acquisition channel.

45% New-to-brand buyers

500+ Active sellers

98% Auth accuracy

“Resale stopped being a side project and became our cheapest way to win new customers.”
Ryan Jackson · Founder · OG Kicks

Specialist Tennis Retailer

Golden Age of Tennis

A specialist retailer bringing premium racquet-sport gear to a dedicated community. Golden Age of Tennis runs its catalogue on Zelph as a marketplace partner — listing, authenticating and fulfilling across a growing pre-owned and new range.

1,350+ Products listed

1 Connected store

Live On Zelph marketplace

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