Riverworks office complex in Watertown signs up new tenants

Riverworks photo courtesy of Jones Lang LaSalle.
Riverworks photo courtesy of Jones Lang LaSalle.

Mimecast North America, Fresh Tilled Soil, and Kearsarge Energy have signed leases at the recently renovated Riverworks office complex in Watertown, the complex’s owner and leasing agent said Thursday evening.

The owner is Farley White, a Boston-based company that owns commercial real estate. Jones Lang LaSalle is the leasing agent.

The renovated Riverworks reopened in May of 2012, and the complex is now 46 percent leased, Jones Lang LaSalle said.

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Mimecast, a company that specializes in e-mail archiving and security services, will double the size of its space when it relocates from the Waltham Watch Factory building in May, and Fresh Tilled Soil, a Web design company, will quadruple its current footprint when it relocates from the Watch Factory in January, Jones Lang LaSalle said; Kearsarge Energy has secured a 1,666 square foot suite on the first floor adjacent to the main lobby. The company relocated from One Gateway Center in Newton.

Purchased by Farley White in late 2010, the Riverworks features two inter-connecting renovated mill buildings on the banks of the Charles River. At one point, the complex served as the headquarters for Boston Scientific, a medical device company that later moved to Natick.

Recent improvements include a new cafeteria, a fitness center, a new main entry along Pleasant Street, and a newly appointed interior courtyard with outdoor seating.