Mobile point-of-sale provider iZettle has closed a $55 million Series C funding round, the company announced in a press release. London-based growth investor Zouk Capital led the round, with participation from Dawn Capital and Intel Capital, and Series A and B investors Creandum, Greylock Partners, Index Ventures, Northzone and SEB Private Equity.

Investors in previous rounds included, American Express, MasterCard and Banco Santander. Nathan Medlock, a principal in Zouk’s Growth Capital Team will join the iZettle board.

The company said in a press release it will use the funding to continue growing in existing markets as well as identifying new potential territories for expansion.