g4t.net
Trade rules are getting more complicated rather than less, which keeps the intermediary layer growing. Customs, payments, compliance and documentation all run through software that has to sound like infrastructure.
G4T reads as gateway for trade, which lands exactly there. It also reads as growth for teams, suiting B2B SaaS generally where the audience parses this shorthand fluently, or grants for technology.
The 4-as-for pattern is the useful part. It gives three letters a structure, which is the difference between a name someone repeats after hearing it and one they have to write down. That distinction shows up in every referral the business ever receives.
Three characters, fixed supply, no spelling ambiguity, .net.
Offers welcome.