GitLab team member here. Written communication is vital in a remote company, and makes all types of companies operate more transparently and efficiently.

At GitLab, we don't just document to document. Instead, we recommend a "handbook-first" approach, which we outline here in our public handbook: https://about.gitlab.com/company/culture/all-remote/handbook...

We're also articulate about what we expect in terms of writing style guidelines, part of our Communications handbook: https://about.gitlab.com/handbook/communication/#writing-sty...