state tax

Hi, I am a freelancer in the field of web developers, I have developed web software for (real estate companies), especially a good broker tool. I live in Republic of Moldova, I thought to open the company here, but the taxes are high. So I do not have to do that. I was thinking about offshore...

I'm new here in this forum. The forum is looking great with active members. I'm sure will get help with my issue here. Actually, I'm Ohio state resident and will be working in London 2 weeks per month. I wonder i will have to pay state tax for that income? Do i pay tax in London, as well?