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

https://wiki-neon.win/index.php/I%E2%80%99m_Redesigning_My_Shopify_Theme%E2%80%94Will_I_Lose_Rankings%3F

If Shopify traffic has plateaued for months, outsourcing SEO may help - but first ask what work is needed and how success will be measured. Request Search Console non-branded traffic or organic revenue as proof, not a promise of rankings.