What type of companies has the SEO agency worked with in the past? What markets do they know best? These are questions that can affect the choice you have to make. When it comes to technical SEO, neither market nor industry plays a role.
For the content on the website (on-page SEO) and digital marketing (off-page SEO), it can mean a lot that the company or consultant you choose has knowledge of your industry and has worked with companies of the same size as yours.
How the goals are to be met is very central. What processes should be initiated? What methods are used and why are the chosen methods used? There are as many ways to work with SEO as there are SEO saint vincent and the grenadines email list consultants. Also feel free to ask why they believe that these particular methods will work for your company.
To save your company resources, it is a good idea to ask if some of the expertise you already have in the company can be used so that there is a collaboration between some of your company's employees and the consultants who are hired. Maybe someone in-house is super good at posting on social platforms? Maybe there is a writer in your company? Then this should be able to be used in digital marketing with a little guidance.