Workplace groups collects posts related to workplace and professional effective altruism groups engaged in workplace advocacy as well as other relevant activities.
Organisations that support workplace groups
EA Consulting Network and High Impact Professionals
Effective giving: Giving What We Can, One for the World, national regranting organisations
Case studies
You can find a list of existing groups here: Workplace and Professional Groups—HIP (highimpactprofessionals.org)
UK Civil Service
Microsoft
Meta