Invest in communication structures. Despite added expenses of PM fees, software, virtual insurance, VPNs, etc., companies can stand to save a lot on the overhead costs of running an office. No rentals, no electricity bills, and no more perpetually purchasing office supplies. Use those savings to invest in online communication ecosystems. Teleport has a few great blog posts for communication in remote teams.
If you truly desire your company to go global, then it must be online all hours of the day. If speed is of the essence of your business, you can capitalize different time zones by delegating work according to individual time zones. When you have a business that is ready to serve customers 24 hours a day, 7 days a week, it won't take long for you to expand.