category design and ecosystem bundling for outcomes

S5: Sustain — Collaborate to Compound   In Stage 5: Sustain, the enterprise is mature, diversified, and resource‑rich. The growth lever shifts to collaboration—partner ecosystems, alliances, platforms, and smarter capital allocation that compounds value over time. The signature risk now is complacency and complexity: layers dull customer focus, projects persist past their usefulness, and capital...