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

https://technivorz.com/why-do-shopify-plus-seo-retainers-start-around-7500-a-month/

If Shopify traffic has plateaued for months, outsourcing SEO may help, but it is not an automatic fix. Before hiring, ask how the work fits your store and request proof in Search Console non-branded traffic or organic revenue, not polished promises.