The challenge that you will run into is the people problems.

Basically, doing new stuff and building an MVP is the fun work that many of your future client's employees would want to do. If you take on the fun work, then they may not be motivated to finish it.

Instead of building the MVP, it would be better to be a coaching service to help build up your client's employees ability to lead new projects. Provide marketing and complimentary support skills and teach the future leader what is possible and how to leverage others.

Independent of the actual results, a missing thing for many companies is the ability to build up leadership.