Your business has evolved.
Your clients' needs and concerns have shifted.
The world has changed.
These three facts mean that it's time for you to take another look at your brand. Make sure that your designs still apply to the type of business that you're doing, and that it resonates with the kind of clients you'd most like to work with.
Check your color palettes, drawn elements and even your font choices to make sure they look modern and in-step with what's going on in the world today – and that they don't look dated or out of style.
Make sure that your brand is designed at the level that you want to be playing at in your business – that it reflects your vision for the future.