High-Risk UK Payment Gateway

My UK-based e-commerce store sells physical CBD and wellness products and is currently processing under £50,000 in card sales each month. Because the sector is classed as high-risk, mainstream acquirers keep closing our accounts or imposing sudden rate hikes... (Budget: £20 - £250 GBP, Jobs: eCommerce, Financial Consulting, Payment Gateway Integration, Payment Processing, PayPal API, Risk Management, Shopping Cart Integration, Website Design)