A software company and an energy provider have leased a total of more than 10,000 square feet at Waltham’s Watch Factory.

Boston-based Berkeley Investments Inc. has executed a lease amendment with
Mimecast North America Inc. for 7,900 square feet on the third floor of Phase I of the Watch Factory Offices. The company will occupy a total of 17,300 square feet through April 2016.

Mimecast is a Software as a Service (SAAS) company, which provides an online technology platform to improve the way companies manage their business communication and data.

LittleFoot Energy Inc. has leased 2,788 square feet at Waltham’s Watch Factory Offices.

LittleFoot Energy offers a systemic approach to optimizing energy performance with the ability to fund infrastructure improvements through energy savings, according to a statement.

"LittleFoot was drawn to the Watch Factory because it supports our corporate image of optimism and sustainable capitalism," said Kevin Poulson, chief executive officer for LittleFoot Energy. "As a next generation energy management company we are excited and proud to be a part of the revitalization of the Watch Factory, honoring its roots as a state of the art and revolutionary manufacturing facility and symbol of economic prosperity, but with 21st century styling and a sustainable twist."