Branding your business and yourself is a massively important strategy that will assist with your long-term viability and sustainability. Your reputation, your accomplishments precede you and people will be mindful of what you do before they reach out to you for an opportunity.
Great brands stay a lot longer while sales come and go. Strong brands will survive and endure a bad product/service or two, while those who are focused only on transactions are at a much greater risk to going out of business. Focus on building your brand.