Nakai Immigration Services (operating as RSM Shiodome Partners AS Co.) is an immigration law firm in Minato, Tokyo. The firm handles Japanese visa and nationality matters, including Certificates of Eligibility, status acquisition/change/extension, work permission, re-entry permits, permanent residency, naturalization, and Certificates of Authorized Employment for individuals and companies.
It is foreigner-friendly with multilingual support (English, Spanish, German, Portuguese, Chinese, Korean, Tagalog, Vietnamese), daily filings at Immigration, and online consultations. Services emphasize clear guidance, strict confidentiality (ISO 27001), and one-stop coordination from document prep to submission.