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George Serfiotis Email
CFO . Upstream Systems
How to contact George Serfiotis
Join and see George's contact info for free!g***************@upstreamsystems.com
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Upstream Systems
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About
Upstream is a leading mobile technology company providing 1.2 billion people with affordable and secure access to digital services. Our Zero-D service provides free access to the internet essentials to 250 million users. Our security platform, Secure-D, in 2019 processed over 1.7 billion mobile transactions and blocked over 98,000 malicious apps in 20 countries. One-D is our all-in-one marketing platform, driving digital acquisitions safely. We work with over 60 mobile operators, across more than 45 high growth markets.Upstream Systems Address
Berkeley Square HouseLondon, null
UK