Laravel platform to mount multiple SaaS offerings . Polyglot persistent with Postgres n Mongo. Object, Service configuration .GCP deployable

I want to build a Laravel launchpad to mount multiple SaaS offerings related to specific use cases(GRC compliance / B2B sales)with unified user, SaaS management . Polyglot persistent with Postgres n Mongo. Object, Service configuration .GCP deployable.

I am checking if this is feasible and looking for guidance.