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

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

If Shopify traffic has plateaued for months, outsourcing SEO might help - but don’t buy a pitch before you know what needs fixing. Ask for proof such as Search Console non-branded traffic or organic revenue, and a clear plan tied to your store’s needs.