Why The Law of Large Numbers is Just an Excuse

  • Our market isn’t that big. So of course, by $Xm in ARR, or $1Xm in ARR, growth is going to slow down a lot. We’re doing as well as we can be expected, given how niche our market is.
  • No way we can add that much more revenue this year. The real challenge in SaaS is that, let’s say you just want to go from $5m last year to $10m this year. That means, net of churn, you have to sell more this year than every other year before combined. If you aren’t just crushing it, that can feel close to impossible. How can we add as much or more revenue this year than every past year put together? Goodness.
  • Every SaaS Market is Bigger Than Ever. Look at the latest batch of IPOs, from Twilio to Coupa to Appdynamics and more. They are all growing at 70%+ at $100m+ in ARR (more on that here). It’s not because they are “better” than the last generation of SaaS IPOs. It’s because the markets are bigger. And if all SaaS markets are bigger, if every segment of business is moving more and more to the cloud … then even if the Law of Large Numbers is true for you … it should be true later.
  • Upsell, Net Negative Churn, and Second Order Revenue Come to the Rescue. If you have happy customers and high NPS/CSAT … then at least around $4m-$5m in ARR, generally, your existing customer base itself starts to create real revenue. As a rough rule, aim for at least 120% net revenue from your trailing customer base by the time you hit $4m-$5m in ARR. That means that, if you execute well here, a big chunk of your growth for this year comes from customers you already closed last year. That means it gets easier, folks. Because last year you didn’t have the big base to upsell to.
  • Everyone Gets Better at Driving Up Deal Sizes and ACVs. Over time, everyone learns their customer base and how to add more value. The combination usually means you are able to drive up deal sizes, pricing, and ACV. If you drive up the average deal size just 10–20% this year, that again makes growing your total ARR easier. It’s just math. Everyone that gets good at selling a product learns how at least to drive deal sizes up at least a smidge. Everyone.
  • Your Brand Boosts Marketing (and Pricing). Once you hit just a few million in ARR, you’ll start to develop a mini-brand. And once you hit $10m in ARR or so, you’ll almost certainly have a real brand in your space. Once you have a brand, even with a mediocre marketing team, you’ll get pulled into more and more deals. And once you have a trusted brand, you can change at the high end of the market. The combination of the two makes it easier to scale. If you have a positive, high NPS brand in your space and you aren’t getting better and better leads … you’re marketing team is simply terrible. Make a change tomorrow. Maybe even tonight.
  • Your Team Gets Better. This is why you want zero voluntary attrition in your sales team. Or probably, your customer success, team too. And your demand gen team. Everyone that is truly good gets better. Your best sales reps just have it dialed in. Your CS team knows exactly where the land mines are in saving customers, and how to get them to buy more seats. Everyone just gets better in their second and third year. This makes growing revenue easier, too. Your team just wasn’t as seasoned last year.
  • The Great Teams Figure it Out. And finally, let’s be clear. The Law of Large Numbers does hit you earlier if you don’t expand your market, and redefine it. Your very initial 1.0 product may only have a $10m TAM. But the best teams always expand and redefine their markets. It’s not easy. But they always get it done before it impacts ARR growth materially.
  • You are way behind in adding, and/or upgrading, your senior team.
  • And probably a clear sign you are behind on NPS and CSAT.

Want more SaaStr? Join us in person at SaaStr Annual in February!

P.S. If you’re looking for office space or need a part-time HQ in the Bay Area, sign up to tour the brand new SaaStr CoSelling Space!



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Jason M. Lemkin

Jason M. Lemkin

SaaStr. Pre-nicorn VC. Co-Founder CEO of EchoSign. Served as VP, Web Biz Svcs at Adobe. Also built nanobatteries implanted inside your body.