Part and Sum

Part and Sum is a consultancy based in Brooklyn, New York, with additional offices in Los Angeles and Amsterdam. Founded in 2016 by Jim Babb and Julie Babb, the company specializes in innovation, strategy, and growth. It employs a team of 24-56 experts who focus on transforming digital experiences and driving growth for brands across various industries, including retail, e-commerce, technology, and hospitality. The company offers a range of services aimed at customer-centric growth. This includes innovation and go-to-market strategies, customer experience design, and comprehensive growth and media solutions. Their expertise encompasses data analytics, lifecycle marketing, and digital strategy, among others. Part and Sum has worked with over 70 clients globally, including well-known brands like Subway, Notion, Spotify, and Starbucks. The company fosters a culture of curiosity and collaboration, with a team that includes many members who have entrepreneurial backgrounds.