Games like Trade Empire
Games like Trade Empire include Victoria 3, Europa Universalis V, Crusader Kings III, Europa Universalis IV, and Manor Lords. We matched them by the tags players give Trade Empire on Steam (Strategy, Inventory Management, Economy, Indie, and Diplomacy): closest matches first, and among equally close ones the better-known games.

Victoria 3
Shared: Strategy · Economy · Grand Strategy

Europa Universalis V
Shared: Strategy · Grand Strategy · Economy

Crusader Kings III
Shared: Strategy · Grand Strategy · Medieval

Europa Universalis IV
Shared: Strategy · Grand Strategy · Economy

Manor Lords
Shared: Strategy · Grand Strategy · Economy

Democracy 4
Shared: Strategy · Economy · Diplomacy

Crusader Kings II
Shared: Strategy · Grand Strategy · Medieval

Big Ambitions
Shared: Economy · Capitalism · Inventory Management

Sid Meier's Civilization VII
Shared: Strategy · Grand Strategy · Diplomacy

Evil Bank Manager
Shared: Strategy · Economy · Indie

Dummynation
Shared: Strategy · Grand Strategy · Indie

Terra Invicta
Shared: Strategy · Grand Strategy · Economy

Rebel Inc: Escalation
Shared: Strategy · Grand Strategy · Economy

Foundation
Shared: Strategy · Economy · Medieval

Workers & Resources: Soviet Republic
Shared: Strategy · Grand Strategy · Economy

Banished
Shared: Strategy · Indie · Economy

Hearts of Iron IV
Shared: Strategy · Grand Strategy · Historical

Farthest Frontier
Shared: Strategy · Economy · Resource Management

Game Dev Tycoon
Shared: Strategy · Indie · Economy

Against the Storm
Shared: Strategy · Grand Strategy · Resource Management

Imperator: Rome
Shared: Strategy · Grand Strategy · Economy

Anno 1800
Shared: Strategy · Economy · Resource Management

Victoria II
Shared: Strategy · Grand Strategy · Economy

Stellaris
Shared: Strategy · Grand Strategy · Exploration