Games like Business Shark
Games like Business Shark include Manor Lords, Workers & Resources: Soviet Republic, Against the Storm, Prison Architect, and Empires of the Undergrowth. We matched them by the tags players give Business Shark on Steam (Strategy, Base Building, Building, City Builder, and Grand Strategy): closest matches first, and among equally close ones the better-known games.

Manor Lords
Shared: Strategy · Base Building · City Builder

Workers & Resources: Soviet Republic
Shared: Strategy · Base Building · City Builder

Against the Storm
Shared: Strategy · Base Building · City Builder

Prison Architect
Shared: Building · Base Building · Strategy

Empires of the Undergrowth
Shared: Strategy · Base Building · City Builder

Cities: Skylines
Shared: City Builder · Building · Strategy

Songs of Syx
Shared: Strategy · City Builder · Base Building

Frostpunk
Shared: Strategy · City Builder · Building

Norland
Shared: Strategy · Base Building · City Builder

Factorio
Shared: Base Building · Strategy · Crafting

Cities: Skylines II
Shared: City Builder · Building · Strategy

Captain of Industry
Shared: Base Building · Strategy · Building

Cataclismo
Shared: Strategy · Base Building · City Builder

Farthest Frontier
Shared: Strategy · Building · City Builder

Sid Meier’s Civilization® VI
Shared: Strategy · Grand Strategy · City Builder

Oxygen Not Included
Shared: Base Building · Building · Strategy

Stronghold: Definitive Edition
Shared: Strategy · City Builder · Building

Corsair Cove
Shared: Strategy · Base Building · City Builder

Whiskerwood
Shared: Strategy · Base Building · City Builder

Kingdom Two Crowns
Shared: Building · City Builder · Base Building

Becastled
Shared: Strategy · Base Building · City Builder

Kingdoms and Castles
Shared: City Builder · Strategy · Building

Nova Roma
Shared: Strategy · Base Building · City Builder

Ostriv
Shared: Strategy · City Builder · Building