We do a lot of work in custom mobile app and website development and also salesforce development.
You can take a look at the Eastern Europe' software development market (for example, Belarus).
1. American Gartner experts recommend to outsource software development in Belarus
2. American Business Persons Say It is a Good Idea to Outsource Software Development in Belarus
3. Working hours in the USA overlap with those in Belarus, but not in India or China
https://belitsoft.com/company/advantages-of-outsourcing-to-belarus.html