JoyPixels is an emoji provider offering high quality designs that are fully Unicode compliant. They recently released version 8.0 of their signature emoji set with over 3,700 icons updated for Unicode 15. They also have animated, smiley, and flat icon styles available.
Licensing options range from free personal use to premium subscriptions for businesses. The premium licenses unlock SVG and larger PNG files at various price points depending on company size. Enterprise options are available, too, for large agencies. You can easily compare the license details and make a purchase online.