Hope you are doing well.
To increase the conversion rate of your store I will recommend you to use the upsell and cross-sell method and offer discounts, nowadays customers mostly looking for discounts and upsell offers like buy x get y and BOGO offers.
I suggest you to use the iCart Cart Drawer Cart Upsell app to increase your conversion rate and AOV.
The Shopify Expert directory is full of highly qualified Shopify Experts you can look to hire and work with for any number of projects. I searched for the ones who focus on conversion rates specifically which you can find here.
Hoping you find someone to work with for your project!