- Business
- K33 AB (publ), formerly Arcario AB, operates as a Sweden-based holding company focused on digital assets and cryptocurrencies, providing platforms for trading, investing, and related services to private and institutional clients across Europe, the Middle East, and Africa. The company offers core products and services through its subsidiaries, including K33 Operations AS, which delivers a comprehensive platform encompassing Markets for execution and trading of digital assets with deep liquidity and no trading or withdrawal fees; Invest for custody and storage solutions supporting multiple fiat currencies such as NOK, USD, EUR, GBP, SEK, DKK, CHF, and CAD; and Research for actionable insights; Green Data AS, which conducts environmentally sustainable Bitcoin mining operations in northern Norway; a minority stake in Puremarkets Ltd, developing an interbank OTC marketplace for digital currencies; and a stake in ITOAM Sarl (LN Markets), providing derivatives trading on the Bitcoin Lightning Network. Founded originally as Arcane Crypto AB in 2018 and rebranded to Arcario AB in March 2023 before changing to K33 AB (publ) and adopting the ticker K33 in December 2024 following an Extraordinary General Meeting resolution, the company maintains its headquarters in Stockholm, Sweden, with key operations in Oslo, Norway. In recent developments, K33 AB (publ) reports phenomenal revenue growth of over 787% year-over-year in Q3 2024 driven by its core K33 platform, enters a strategic partnership with Pensum Asset Management in October 2025 to explore digital assets exposure, and plans expansions including derivatives trading launch in 2025, institutional client growth under MiCA regulations, and pan-European market dominance targeting high-net-worth individuals, family offices, and traditional financial institutions.