That’s the most famous catch phrase of all time isn’t it? We’re going to build a wall!
Without getting political lets just say that in startups, building a wall is a very good thing. You know, that thing that makes your startup defensible.
Why stop at a wall? Build the wall, dig a moat, fill it with pirañas, and put vaporising lasers on the walls to shoot down any competitor that comes near.
Sounds good, doesn’t it? But how do you make a startup defensible? Here are a few ways to do it:
In 2012 Brad Feld said:
I've always felt this was a silly question for an investor to ask an entrepreneur. The goal of the startup, at least in my mind, should not be to create something defensible out of the gate. Rather, focus on creating something unique, that is done better than anyone else has done it before, that delights your early customers, and that rapidly evolves based on the feedback you get from these early customers. By executing these attributes / activities over and over again, you will create something defensible.
Essentially, when starting out you should focus on:
While you shouldn't expect to be defensible at an early stage, if you’ve done all of the above and are seeking investment then you will stand a much better chance if you can see a clear path to defensibility (or as a minimum have ideas as to what could make you defensible).
Christoph Janz from Point Nine Capital has a row in his Saas Funding Napkin 2017 edition which indicates the stages of defensibility a Saas startup should have through various investment stages. These are:
Here is the full 2017 funding napkin (click to view larger image):

You will in almost all cases be indefensible in the early stages. After all, things like having a strong brand, creating a network effect or a having a great data play mean nothing in the early days when you won’t have a strong brand, you won’t have many users and you won’t be collecting enough data.
One of the things that you can do though when starting out is to give yourself a competitive advantage. This could be:
If you are just getting started don’t go out and buy the bricks and mortar for your wall straight away. Focus on the core product and your users, but start sketching the blueprints for your wall.
If your startup becomes a rocket ship you’ll need to build that wall, and build it very quickly.
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