The legal experts, platform, and data to run your immigration program

Casium delivers the fastest U.S. business immigration services for startups. Whether you’re a founder seeking a visa or a startup building your dream team, your focus should be on innovating, not paperwork. Let us handle the complexities of immigration casework efficiently, preparing and submitting your visa petition in days, not months.

As part of the Founders Live community, you get access to these exclusive perks:

  • 10% off visa and green card services–with bulk discounts for startup teams
  • Free personalized assessments to determine your eligibility and best options
  • Exclusive office hours with our immigration experts

Don’t let immigration slow you down, partner with Casium to turn your vision into reality.

Note: Discounts apply to eligible beneficiaries/applicants who meet the qualifications for these visa categories. Our free assessment helps determine eligibility.

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99%
Approval rate
30+
Companies supported
18
Days average time to file
90
Countries covered

WHY CASIUM?

Why Teams
Switch to Casium

Because immigration shouldn’t be the hardest part of your job. We make it faster for your talent, better for your employees, and lighter for you.

11x faster
THAN TRADITIONAL LAW FIRMS
Talent starts sooner
Faster filings mean fewer delays, shorter time to start dates, and roles that stop sitting open while paperwork crawls. We get your people on their way as quickly as possible.
First class
EMPLOYEE EXPERIENCE
Employees feel the difference
A clear task list, direct access to real attorneys, and answers measured in minutes and hours, not days. No game of telephone through HR.
Control
OVER YOUR PROGRAM
Less stress, more clarity
One source of truth for compliance, billing, and reporting. You always know where things stand, who's impacted, and what's coming next. Immigration becomes something you run with confidence, not something you chase.
IN THEIR WORDS

Confidence, in their own wods

"Casium stepped in during a critical juncture in my immigration journey, navigating a complex extension filing while I was at Symbl.ai and later supporting my transition to Invoca. Despite skepticism from other firms during my time at Symbl, they pursued the full 3-year extension approval with confidence and speed. During the transition to Invoca, what stood out was how fast they moved, we had a complete filing ready within 10 days of sharing the necessary information, which allowed the acquisition process to close on time. Sara, Ashlee, and the team were incredibly clear and thoughtful throughout. The level of transparency, and execution Casium brought to the process was truly unmatched."

Surbhi Rathore, VP AI Product & Strategy, Invoca
Surbhi Rathore, VP AI Product & Strategy, Invoca

"Big thanks to @casiuminc—my EB-2 NIW petition got approved! I was lucky to connect with @priyankaonair through a serendipitous exchange on X. The team was incredibly caring, competent, and fast. I highly recommend them if you’re navigating this process!"

Amogh Mishra, Machine Learning Engineer, Orca DB
Amogh Mishra, Machine Learning Engineer, Orca DB

"Working with you made the process feel much more possible. The clarity, speed, and confidence you brought were honestly game-changing. I felt guided every step of the way."

Mayank Sanganeria, AI Software Engineer, Meta
Mayank Sanganeria, AI Software Engineer, Meta

"I truly appreciate your professional and trustworthy service, as well as your prompt responses. I'm very glad that I made the right decision to work with you."

Jason Feng, Cofounder, Stealth Startup
Jason Feng, Cofounder, Stealth Startup

"Thank you so much! Working with Casium has truly been a wonderful experience — I have only good things to say about our collaboration. I really appreciate all the support you’ve provided throughout the process."

Nimisha Shararth, Uber
Nimisha Shararth, Uber

High-tech, high-touch

From H-1B to green card,
Casium does it all.

Whether your team needs an H-1B or your top engineer is ready for an EB-1A, we handle every visa type. No referrals, no handoffs.

The modern standard for business immigration: a licensed law firm, technology platform, and service partner in one.

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