Growth strategies should be tailored for the different stages a B2B SaaS is in. Founders should make sure their product, marketing, sales, and support strategies always go hand-in-hand regardless of the stages their companies are at.
Great articles I drew my ideas from:
1. Joel York's Three SaaS Sales Models
http://chaotic-flow.com/saas-startup-strategy-three-saas-sales-models/
2. Guillaume Lerouge's Go-To-Market Strategy for B2B SaaS Companies
https://www.slideshare.net/GuillaumeLerouge1/go-tomarket-strategy-for-b2b-saas-companies