Quick answer. No — RCS is not only for enterprises. It earned an enterprise reputation early because setup, registration, and minimums favored large senders, but platforms have made it accessible to small and mid-sized businesses too. Any business that can register a brand and campaign, verify a sender, and commit to ongoing messaging can use RCS. Enterprises still benefit from scale and dedicated tooling, but the channel itself — branded, interactive, no app required — delivers value at any size.
The practical dividing line isn't company size; it's commitment and volume. A busy local restaurant or regional retailer can run a strong RCS program; a large enterprise simply runs it at greater scale with more integration. The right provider meets you where you are.