Ultumus Email Format
Financial ServicesEngland, United Kingdom51-200 Employees
Ultumus is a London-based provider focused on the ETF and index ecosystem, delivering data, calculations, and workflow infrastructure. Its offerings span index data services, ETF data services, portfolio composition file calculations, and a connectivity platform for creation and redemption workflows. The company serves the full ETF value chain—from issuers and market makers to asset managers, custodians, and fund administrators—by providing fast, accurate data and expert support across time zones. It operates from London and maintains offices in Singapore and Hawaii, and it has been part of SIX since 2021. In 2026, Ultumus announced Atlas, a next-generation platform for comprehensive index data coverage, developed in partnership with 28Stone Consulting.