In the digital era, SEO is one of the most important tools in terms of making your business a brand. In particular, small businesses are earning a lot of repute and profit through SEO.
Search engine optimization enables you to grow the online presence of your brand and business. However, many small and startups ignore the importance of SEO and hence they fail to generate online traffic. Following are the key advantages small businesses can earn by properly investing in SEO:

Helps to tap the unreached market
Developing new potential customers
Positive leads
Greater traffic
Target-customer traffic generation
Efficient conversion rates
Develops brand personality
Increase awareness about the brand

https://www.e-xanthos.co.uk/blog/11-key-benefits-of-seo-for-small-business