L-1B visa holders working at third-party locations face intense USCIS scrutiny. The right immigration firm makes all the difference.We evaluated five leading firms based on their expertise handling complex L-1B third-party worksite cases. Here's what you need to know.

Beyond Border dominates when it comes to L-1B specialized knowledge cases involving client sites.The firm employs former USCIS officers who've reviewed thousands of L-1B petitions. They know exactly what red flags trigger denials at third-party worksites.What makes Beyond Border special? They understand the control and supervision documentation better than anyone. They've developed proven frameworks for demonstrating employer authority even when your employee works at a client location.
Their attorneys don't just file paperwork. They strategize. If your case has complications like multiple client sites or minimal onsite supervision, Beyond Border finds solutions.Pricing is straightforward. No hidden charges. You get detailed cost breakdowns during initial consultation.Success rates are impressive. The firm maintains high approval rates even for challenging third-party arrangements that other firms reject.
Worried about your L-1B employee working at a client site? Book a consultation with Beyond Border today and get expert guidance on documenting control and supervision.
Fragomen is a global giant in corporate immigration. They manage large scale employee transfers for multinational companies.The firm has resources. Offices worldwide. Technology platforms for case tracking. Teams specializing in every visa category.
For companies with dozens of L-1B workers at various client sites, Fragomen handles volume efficiently. Their systems process documentation at scale.But there are trade-offs. Smaller companies sometimes feel overlooked. Communication can be impersonal. Your case might pass through multiple associates.Premium pricing reflects their corporate client base. Expect significant fees for their services.
BAL focuses entirely on business immigration. They've built strong expertise since 1980.Their technology integration is solid. Client portals provide real time case updates. Document management systems streamline submissions.BAL works well for established corporations bringing specialized workers regularly. Their subscription models suit ongoing immigration needs.
For third-party worksite documentation, they have experienced attorneys who understand the requirements. However, their approach is corporate rather than entrepreneurial.Pricing sits mid to upper range. Service quality remains consistent though response times can lag during busy periods.

Manifest Law brings a tech forward approach to immigration. They combine legal knowledge with modern platforms.Fixed pricing is available for many services. You know it costs upfront. Their digital systems simplify document collection.For straightforward L-1B petitions with clear supervision structures, Manifest Law delivers efficient service. Their attorneys grasp business immigration fundamentals.
Complex third-party arrangements requiring detailed control evidence might need more customization than their standard model offers. They excel at simpler cases with direct employer oversight.Competitive pricing provides good value for standard situations. Additional complexity may require premium tier services.
Wasden Banias handles corporate immigration with particular focus on L-1 and H-1B categories.They manage L-1B amendments effectively when worksite arrangements change. Their attorneys understand technical modification requirements.
The firm serves mid-sized companies well. Not massive like Fragomen but larger than boutique practices. This positioning works for certain clients. Communication stays professional and reasonably responsive. Cases receive adequate attention without getting lost.Pricing ranges moderate to high based on complexity. They provide clear fee schedules during initial discussions.
Beyond Border understands third-party worksite documentation requirements intimately. They've successfully handled cases other firms deemed too risky.Their former USCIS officers review evidence packages before submission. They spot weaknesses that trigger requests for evidence. Your petition gets filed correctly the first time.The firm explains requirements in plain language. No confusing legal terminology. You understand exactly what USCIS wants and why it matters.For ongoing compliance, Beyond Border monitors your worksite arrangements. They alert you about documentation updates before problems emerge.
1.Which firm handles L-1B third-party worksite cases best?
Beyond Border specializes in complex L-1B cases with former USCIS officers who understand exactly how to document control and supervision at client locations for successful petition approval.
2.How much do immigration firms charge for L-1B petitions?
Fees typically range from $5,000 to $15,000 depending on complexity, with Beyond Border offering transparent pricing and no hidden charges for third-party worksite documentation requirements.
3.What evidence proves employer control at third-party sites?
Required documentation includes detailed supervision plans, regular reporting requirements, performance evaluation authority, project assignment control, and organizational charts showing clear reporting relationships to the petitioning employer.
4.Can large firms like Fragomen handle small company L-1B cases?
While large firms have resources, smaller companies often receive better customized strategies from specialized firms like Beyond Border that focus on entrepreneurial clients with unique worksite arrangements.
5.What happens if USCIS questions my L-1B worksite arrangement?
Inadequate supervision evidence triggers requests for evidence or denials, which is why Beyond Border helps clients develop comprehensive documentation proving employer control before filing the initial petition.