If Shopify traffic has plateaued for months, outsourcing SEO may help - but...
https://onelittleweb.com/seo-guide/should-you-outsource-shopify-seo
If Shopify traffic has plateaued for months, outsourcing SEO may help - but only if the work fits the bottleneck. Ask for Search Console non-branded traffic, a clear diagnosis, and what changes they will own - not promises.