Great service
Great service, that worked within 24 hours. Strongly recommendable
By Joe B.
Saturday, November 7, 2026 · Customer reviews of US businesses
The Fair Hearing score
Excellent
94 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Hotels and Airlines Membership Upgrades. Hotels and Flights Bookings.
Millionkm LLC (millionkm.com) has 94 customer reviews on The Fair Hearing, with an average rating of 5.0 out of 5.
94 approved reviews, newest moderated first
Great service, that worked within 24 hours. Strongly recommendable
By Joe B.
All was great , Thank you
By AA
All as agreed!
By Ruben H.
Great communication, highly recommended
By D.N.
Service was fast and reliable 10/10 would recommend to friends and will be a reoccurring customer.
By Christopher
Reliable and effective. Took less time to get my Marriott Bonvoy Account upgrade than planned. Very responsive and clear communication. I would use again and refer their services.
By Yass
Response from Millionkm LLC· Apr 11, 2024
Thanks Yass, hope to work with you again soon!
Fast response when I asked for the product information. Processing also fast
By Sebastian
Response from Millionkm LLC· Apr 11, 2024
Thanks Sebastian, hope to work with you again soon!
Very responsive and good service. Request was made in shorter time than agreed.
By John
Response from Millionkm LLC· Mar 25, 2024
Thank you John, hope to work with you again soon.