E2 visa lawyer?

Looking for a lawyer specializing in E2 applications for a tech start up. After speaking to a few in the UK (mainly London) it seems they don't understand the tech start up too well.

When I said we had $100,000 of investment sourced from family they said this would not be enough for the E2 as a business needs at least $500,000 to survive. Believe it or not at least 4 said this. They also mentioned that the E2 is for brick and mortar businesses like restaurants and a few turned their noses up at myself and my hacker companion.

I get the feeling this might be the place to source a good US based lawyer who understands tech.