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Mosaic Score

+10 points in the past 30 days

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The Mosaic Score is an algorithm that measures the overall financial health and market potential of private companies.


UPSTAIRS (업스테어스) is the operator of (중가비), a B2B comparison service that enables users to easily find information for used phone distribution. The platform compares the prices of used mobile phones, which change every day, and finds out which companies are buying at the highest price. The main users are dealers, exporters, buyers, and sellers.

UPSTAIRS Headquarter Location

Seoul Ensemble, Room 203 16 Hangang-daero 62da-gil, Yongsan-gu


South Korea

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