Marelius, Inc. is a diversified holding company operating in the United Kingdom, the United States, and Europe. It operates in three primary industries: Technology, Web Based Services, and Marketing Solutions. Its technology offerings include proprietary AI solutions and automation, its web-based services cover data management, storage, and blockchain, and its marketing solutions include B2B and B2C lead generation. The company was formerly known as Argentum 47, Inc. and changed its name to Marelius, Inc. in July 2025. Founded in 2009, it is based in London, the United Kingdom.