Invints: Web Design Agency in Manchester & London for All Business. We specialize in crafting and enhancing online stores with our comprehensive services, encompassing custom Shopify solutions, UI/UX design, SEO optimization, and targeted marketing strategies. Invints: Web Design Agency in Manchester & London for All Business. We specialize in crafting and enhancing online stores with our comprehensive services, encompassing custom Shopify solutions, UI/UX design, SEO optimization, and targeted marketing strategies. Invints: Web Design Agency in Manchester & London for All Business. We specialize in crafting and enhancing online stores with our comprehensive services, encompassing custom Shopify solutions, UI/UX design, SEO optimization, and targeted marketing strategies.