Hello, I can create a wonderful loading SVG logo animation in loop for you. I have created many svg animations with transparent background before. I will use same colors and will same like after effects file you have shared. I will give you the best results with unlimited revisions until you like it. Please check the link below for my previous work.
I can share animated svg sample with you in private message.
Portfolio link --- [login to view URL]
My skills - I am working as an animator for the last 8 years. I'm skilled in the most common artistic and visual Adobe software like Animate CC (Flash), Photoshop, Illustrator, After Effects, Premiere and SVG animator.