Exponential Growth
Growth that accelerates. Not just "we're 10% bigger this year"—but the rate of growth increases. Year 1 you add $50k revenue; Year 2 you add $80k; Year 3 you add $120k. That's exponential growth: the growth rate itself goes up over time. It's rare for service businesses, where capacity is often linear (more people, more delivery). It's more common in product or platform businesses where one asset can serve many without proportionally more cost.
Same word, different reality. "Exponential" gets used loosely. True exponential growth means the curve gets steeper: each period you add more than you added the period before, in absolute terms. Compound growth is growth on a growing base (e.g. 10% per year on last year's number)—powerful but not necessarily exponential. For most domain experts, compound growth is the realistic goal; exponential growth would require a structural shift (e.g. a product that scales without more labor, or a network effect).
Exponential = the rate of growth increases. Service businesses usually grow in a compound or linear way unless they add a product or platform layer.
When service businesses approach it
Product or course layer. You add a self-serve product or recorded course. One creation, many buyers—revenue can grow without proportionally more delivery. That's a step toward exponential-style growth because the marginal cost of one more customer is low.
Network or community effects. If every new client makes your offer more valuable (e.g. a community where members help each other), growth can accelerate. Rare in pure service delivery; more possible in membership or cohort models.
Viral or referral loops. When every client brings 1.2 more clients, growth can compound quickly. That's still often linear in your capacity unless you have a team to absorb the delivery—but the top of the funnel can grow fast.
Why it's not the default
Delivery is usually linear. More clients = more delivery hours or more people. You can improve operational efficiency and team leverage, but doubling revenue often requires something like doubling capacity (or doubling price). That's scalable but not necessarily exponential.
Don't confuse goals with structure. Aiming for "exponential growth" without a structure that supports it (product, platform, network) leads to overreach. Aim for compound growth and sustainable growth first; then explore product or platform if you want a step-change.