To start carrying out research and plan your marketing going forward you need to answer a series of questions about your customers, your services and your competitors. This determines where to look for them, how to target them with your services and crucially how much you can spend per lead to deliver profitable results.
Starting with customers, as
@fisicx says, where do your customers look for help; e.g. it could be word of mouth, 3rd party recommendations, social media, google search, local magazines etc. Short term it's unlikely to be at face to face type events.
What does an ideal customer look like, what's their age, affluence, gender etc. How much do they spend and what does that look like in terms of fees/profit for your products/services. This sort of information will help make informed decisions for further research and analysis.
In terms of products and services, what do they want/need. What does that look like in terms of an offering from you that meets/exceeds that requirements.
Why would they choose you, what do you do better than the competition, what do your current customers say about you?
It's this sort of analysis that allows you to target the right customers, with the right initial services and solutions. Then by carrying out testing and analysis of the marketing you carry out, you build a lead generation process, or online funnel, that captures potential leads who are likely to convert profitably.
