H1B Transfer Guide: How to Change Employers
How to transfer your H1B to a new employer, portability rules, timing, and what to watch out for during the job change.
1H1B Portability Basics
H1B portability may allow an eligible worker to begin employment with a new employer after that employer properly files a non-frivolous petition, rather than waiting for final approval. Eligibility is fact-specific; there is no general rule on this site that a worker must first spend 180 days with the prior employer.
2The Transfer Process
The new employer files an LCA with DOL and then a Form I-129 transfer petition with USCIS. The petition must show the worker has valid H1B status, the job is a specialty occupation, and wages meet prevailing wage requirements. The new employer's attorney typically leads this process. The transfer doesn't start a new 6-year H1B clock — it continues from where the current H1B stands.
3Timing: When Can You Start?
An eligible worker may be able to start after the new employer properly files the petition under the portability rules. Starting before approval carries risk if the petition is rejected or denied, and the effect on status depends on the facts. Coordinate timing with the employer's immigration counsel rather than relying on a generic receipt-date rule.
4What If You Have an I-140 Pending?
Certain workers in the employment-based green-card process may qualify for H1B time beyond the usual limit under AC21 provisions. The requirements and extension period depend on matters such as how long a labor certification or immigrant petition has been pending, whether an immigrant visa is available, and the status of the I-140. Changing employers can affect the green-card process, so get case-specific advice before moving.
5Common Mistakes to Avoid
Don't quit your current job before the new employer's I-129 is filed. Don't let your H1B expire before the transfer petition is filed. Be aware that USCIS may audit the transfer (especially if you're moving to a consulting or staffing firm). Keep records of your continuous H1B status and all approval notices.
Frequently Asked Questions
Do I need a new lottery to transfer my H1B?
No. H1B transfers don't require going through the lottery again. You've already been counted against the cap. The new employer files a transfer petition directly with USCIS.
Can I transfer to any employer?
You can transfer to any employer who is willing to sponsor you and whose position qualifies as a specialty occupation. The new employer doesn't need previous H1B experience, but it helps if they have immigration counsel.
Put the guide into practice
Turn the next decision into a shortlist
Use the tools with the facts in this guide. Historical evidence helps prioritize research; it does not determine legal eligibility or a role's sponsorship policy.