Sources: Gusto paid $600M to acquire Guideline, plans to divest customers linked to rivals

Last month, Gusto, a payroll and HR software company, announced that it agreed to acquire Guideline, a startup offering retirement plans to small and medium businesses.  

The terms of the deal weren’t disclosed, but Gusto paid approximately $600 million, according to a source familiar with the deal, although TechCrunch could not confirm how much of this was cash and how much was stock. 

Guideline was last valued at $1.15 billion in 2021 when it raised a $200 million Series D funding round. Since its founding in 2015, it has raised a…