Games like Trade Conquest
Games like Trade Conquest include Victoria 3, Europa Universalis IV, Europa Universalis V, Democracy 4, and Victoria II. We matched them by the tags players give Trade Conquest on Steam (Grand Strategy, Political Sim, Resource Management, Economy, and Capitalism): closest matches first, and among equally close ones the better-known games.

Victoria 3
Shared: Grand Strategy · Political Sim · Economy

Europa Universalis IV
Shared: Grand Strategy · Simulation · Economy

Europa Universalis V
Shared: Grand Strategy · Economy · Simulation

Democracy 4
Shared: Political Sim · Grand Strategy · Economy

Victoria II
Shared: Grand Strategy · Political Sim · Economy

Manor Lords
Shared: Grand Strategy · Simulation · Resource Management

Imperator: Rome
Shared: Grand Strategy · Political Sim · Simulation

Crusader Kings II
Shared: Grand Strategy · Political Sim · Simulation

Cities: Skylines
Shared: Simulation · Economy · Resource Management

Terra Invicta
Shared: Grand Strategy · Simulation · Economy

Dummynation
Shared: Grand Strategy · Economy · Simulation

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

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

Plutocracy
Shared: Grand Strategy · Political Sim · Simulation

Sid Meier's Civilization VII
Shared: Grand Strategy · Simulation · Economy

Kingdoms and Castles
Shared: Resource Management · Simulation · Economy

Age of History 3
Shared: Grand Strategy · Wargame · Economy

Stellaris
Shared: Grand Strategy · Simulation · Real-Time with Pause

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

Crusader Kings III
Shared: Grand Strategy · Simulation · Strategy

Empires of the Undergrowth
Shared: Grand Strategy · Simulation · Economy

Supermarket Simulator
Shared: Economy · Simulation · Management

Tropico 6
Shared: Economy · Political Sim · Simulation

Big Ambitions
Shared: Economy · Capitalism · Simulation