“Can a UK wealthtech democratize HNW-style products — long-term investing plus portfolio-secured credit — for the mass affluent?”
Sidekick is a UK wealthtech aimed at retail investors, offering products historically reserved for high-net-worth clients — a flagship long-term investment portfolio and a Portfolio Line of Credit. In early 2026, it upgraded its money-holding layer from a basic wallet to Griffin-powered embedded bank accounts, signaling a shift toward becoming a more complete personal-wealth platform.