A platform business model creates value by orchestrating interactions between independent groups — buyers and sellers, developers and users, drivers and riders — rather than by producing the end product itself. The platform owns the infrastructure of matching, trust and payment, and monetises the traffic it intermediates through commissions, subscriptions, advertising or data-adjacent services. Its economics are defined by network effects: each additional participant on one side raises the platform’s value to the other side, which is why winning platforms tend toward concentration.
The strategic literature distinguishes platforms from pipelines (linear value chains) and notes the recurring management problems: solving the chicken-and-egg start, policing quality without owning supply, avoiding disintermediation, and deciding how much value to extract before participants revolt or regulators arrive. Multi-sided pricing is the signature move — one side is frequently subsidised (free users, cheap riders) because its presence is what the paying side buys.
The platform’s legal stack
Platform models concentrate a recognisable bundle of legal issues. Terms of service operate as private regulation for thousands of participants; intermediary liability rules determine responsibility for what users sell or say; competition regimes increasingly target gatekeeper conduct (self-preferencing, data leverage, MFN restraints); and the employment status of the supply side is contested globally. In Türkiye this stack is concrete: e-commerce intermediary obligations and ETBİS registration, KVKK duties over multi-sided data flows, and Competition Authority attention to large platforms. The deeper the network effects, the more the legal architecture is the business architecture.
The single diagram worth keeping current: the value loop annotated with who pays, who is subsidised and which side regulation watches. Most platform strategy debates — pricing changes, exclusivity, data use — resolve faster when drawn against that map than argued in the abstract.
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