Sponsorship and language requirements are office-specific, so there is no reliable global list that stays true across every recruiting cycle.

An office may operate mainly in English but still require local-language fluency for client work, while another office may be more flexible.

Visa sponsorship also depends on local immigration rules, role demand and the firm's current policy.

Shortlist offices using current official job requirements and recruiter confirmation rather than old forum anecdotes. For more detail, see the PhD to consulting without business experience guide.

Talking to recruiting was more useful than old forum posts for office-specific visa questions.