If Shopify traffic has plateaued for months, outsourcing SEO may help - but...

https://iris-wiki.win/index.php/Should_I_Hire_a_Freelancer_or_an_Agency_for_Shopify_SEO%3F

If Shopify traffic has plateaued for months, outsourcing SEO may help - but only if the work fits your store. Before signing, ask for evidence such as Search Console non-branded traffic or organic revenue, not promises of quick wins.