Klaviyo Grows Its Boston Headquarters with Major Lease Expansion

April 11, 2025 - 22:15

BOSTON — Klaviyo, a marketing technology company, is expanding its Boston headquarters, having recently signed a lease for 256,000 square feet at 125 Summer St. in Boston. This new lease represents a significant increase from their previous space of 160,000 square feet, reflecting the company’s growth and commitment to the Boston area.

The expansion comes as Klaviyo continues to enhance its services and product offerings in the competitive marketing technology landscape. With this additional space, the company aims to accommodate its growing workforce and foster a collaborative environment that encourages innovation and creativity.

Klaviyo has been a key player in the marketing technology sector, providing businesses with tools to optimize customer engagement and drive revenue growth. The new office will not only serve as a hub for its employees but also symbolize the company's ongoing investment in the local economy and its dedication to remaining a vital part of the Boston tech community.