Clients usually don't know what they want until they see it. If you present 8–10 distinct concepts, they can say, "I love Design 3, but I want the colors from Design 7 and the cards from Design 5." That makes approvals much easier.
Based on your current website and admin panel, I'd prepare 10 completely different visual directions, all using the same backend and Payload CMS.
This structure keeps every viewport visually occupied, varies the layouts so scrolling stays interesting, and presents the company as a modern software engineering partner rather than a generic IT services firm.