The trusted trading platform that's sold $1.6bn of wholesale pre-owned and secondary tech
Callisto. Trust in every trade.
who we are
Easy to use wholesale trading platform
An online marketplace built on trust
Callisto is the ultimate, secure, one-click global trading platform for tech products. Designed for wholesale buyers and sellers, we offer easy reliable access to accurately graded devices, including used, refurbished, returned off lease and warranty-returned products.
product categories
What you can trade
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why choose Callisto
The global platform for wholesale tech trading
We offer consistent stock and multiple ways to buy or sell, including auctions, catalogue listings, and offers. With global reach and an easy-to-use platform, we make wholesale tech trading simple and efficient.
Secure transactions you can trust
We safeguard every transaction with customer verification, escrow-held payments, and transparent grading standards—giving you peace of mind.
Instant access to a global market
Connect with 2,500 + buyers and sellers in over 60 countries from a single one-click global trading platform.
Effortless & hassle free
Enjoy simple and seamless trading using our intuitive platform, managed through a single dashboard.
how to trade with Callisto
Easy set-up and buying processes
Register for free and start trading straight away in a way to suit you; through our catalogue, our auctions or by submitting offers for specific stock.
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Buyer
Get better access to more products and buy with ease. Callisto offers secure transactions, consistent stock, and flexible buying options, making it easier to purchase efficiently with more choice and confidence.
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Seller
Reach 2,500 buyers globally through one platform. Market your products to relevant buyers, receive multiple bids, and sell through auctions, catalogue listings or direct offers.
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what our customers say
Trusted by over 2,500 buyers and sellers globally
Callisto's platform is intuitive and straightforward, making it easy to navigate and place bids on a range of products. Their Customer Support team is prompt and reliable, dedicated to resolving any inquiries efficiently.
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Raymond Wang
Sales Cosmic Mobile
The platform is user-friendly, making it easy to manage catalogue offers and streamline purchases. Reliable support from the team and variety of stock have boosted our confidence as we expand our tech offerings.
Tony
Wholesale Mobile Distributor
We all know how important grading is in our business and quite simply Callisto are the best at it – as a business it saves us so much time as we don’t have to worry about returns or credit notes and we can get on with doing business. It also helps us that the platform is easy to use and the delivery system works well.
Abdul - CEO
Phone Trading Company
Callisto is a trusted leader in our market, offering an easy-to-use platform. They consistently provide high-quality stock from around the globe, including valuable access to D grade inventory, which is essential for our business.
Bella
Purchasing Manager
Callisto has played a pivotal role for KimLyTech LLC, enabling efficient B2B inventory turnover with exceptional team support, ensuring seamless onboarding, listing and post-sales processes. We look forward to further leveraging this partnership for our asset disposition strategy.
Kevin Ly
KimLeTech
It is easy to navigate, making it simple to place bids and view grading and pricing details. The customer support team responds quickly and is highly effective in addressing questions.
Teodor
Purchasing Manager
Ready to learn how to trade with Callisto?
Book a demo to explore our platform and experience the benefits of smart trading.