Canadian applicants can get legal advice from immigration law firms such as Schlun & Elseven Rechtsanwälte, which specialize in Germany’s Opportunity Card process. These firms offer services like eligibility assessment, document review, application support, and guidance on residence permit transitions. Legal consultations can be booked online or through embassy referrals. Authorized German immigration advisors listed through institutions like Make-it-in-Germany or local German consulates in Canada.