Trimble Navigation buying SketchUp unit from Google

BOULDER — Google Inc. signed a definitive agreement April 26 to sell its Boulder-based SketchUp unit to Trimble Navigation Ltd. for an undisclosed amount.

The SketchUp team, which works on 3-D modeling software, will remain in Boulder, Google Boulder site director Scott Green said.

Green declined to disclose the number of employees that would be changing companies, citing Google (Nasdaq: GOOG) corporate policy.

“We won’t talk numbers, but a substantial portion, a large majority of the SketchUp team, has joined Trimble, and they are going to work from a Boulder-based Trimble office,” Green said. “It’s a really good thing for the team, and…