›Portfolio Companies

Past, Present and Future Leaders

InterWest is proud and privileged to partner with visionary management teams who are shaping the future of Information Technology and Healthcare. The companies they have started are vital parts of the portfolio of industry-leading startups that InterWest has helped over the last four decades.

Our Companies

Early stage IT and Healthcare Investing

Aria Systems


company snapshot

Aria, the number one ranked cloud billing provider, helps enterprises monetize and grow recurring revenue at scale. Proven by the world’s most demanding businesses, Aria's billing and active monetization platform helps enterprises modernize their revenue operations with a better way to manage offers, customer accounts, billing and financial processes. With Aria, enterprises get to market faster with a wider variety of products and services, retaining more customers and maximizing lifetime value.

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