Law is also a typical thing like managing money and when we are talking about things related to US immigration the question becomes more serious. There are lots of questions that need to answer. If you H1B attorney is not capable of answering the some critical questions then you are into real trouble.

The real question is which all factors you should consider to rate a H1 B visa attorney as the best or worst.

1. First he should have prior experience of handling a case similar to yours. The lot of questions which need to answered. In some cases it can be quite specific like who will responsible for hiring the H1B via attorney in case of H1B visa transfer. Whether the person himself or his/her employer which can give the person a real idea of how he/she should handle the case.
2.  In precedence to point (a) what are reviews of existing attorney’s client with specific cases. The person from whom you are collecting review information if he/she is known to you then the credibility of the review would be much better.
3. The questions related to application of new H1B visa and related to employer transfer should be known well to the attorney.
4. The attorney should be able to able to give more personalized care for your needs and should always be available on phone and email to answer your queries.
5. The attorney should sufficient track record of successful cases because in case of one rejection the timeline for putting your next application is long and you need to wait for it for a long period of time.
6. If the attorney has country specific capabilities then the chances you application being accepted increases.

So if you really want to get away from the hassle of searching the best H1B visa attorney you should specifically follow the guidelines as discussed above.  You can give specific value to each factor and give weights to it based upon priorities. If you had already spoken some of the existing clients of the attorney then you actually know in which part of the total process the attorney generally messes. Everybody knows that nothing is perfect but if you can make your selection criteria more robust the chances you finding the best h1b visa attorney is the highest. The selection process should be given the highest priority because a wrong decision in the beginning can lead to long term challenges in application process of H1B visa for US. if want to do it yourself you can reach out a New York Immigration Attorney for help.