One word answer; “yes”.
In today’s contemporary and digitized world, it’s all about generating maximum traffic to your business / organization. The more the traffic the more options of sale you are likely to encounter. Search Engine Optimization, Social Media presence and Digital Marketing all contribute in communicating with a large audience base within a small time frame at little cost effectively and efficiently. All these tools increase your search engine rankings giving your business greater visibility as compared to your competitors. With increased visibility, you will be able to generate more traffic to your online business and the opportunities to convert visitor to a paying customer increase based on your profile. Social Media also gives your business the required personalized touch and helps you get greater acceptance by users moreover it is a prevalent method of ensuring high standard customer care as well. So, yes, if you miss out on SEO and its associated tools, your business is likely to suffer as compared to your competitors