The E-Myth Revisited is the book people recommend when a founder is still the entire operating system. The useful distinction is simple: working in the agency is not the same as building one.
Why creative founders resist it
Process sounds like the opposite of craft. In a small studio it is usually the opposite of chaos: a few written handoffs so the work does not depend on whoever happens to remember.
If the business already feels fragile, read the operational risk audit first. Gerber names the pattern; that insight names where it hurts.
What to take
Take the systems lesson. Document the work that repeats. Make the business less dependent on one person’s memory. The independent agency operating system is the agency-shaped version of that advice.
What to skip
Skip the franchise dogma. An independent marketing or creative agency does not need to pretend it is a McDonald’s. One-page processes beat manuals written for a network of identical locations. Maister is the better professional-service companion. More on this topic: Operations.