Learn how to reach effective sales on Amazon from service providers authorized by Amazon. E-com Group is one of the consulting firms that can provide the most comprehensive Amazon Account Management consultancy services in the Amazon Service Provider Network(SPN). The founders of the E-com Group have also been actively selling their own brands on Amazon marketplaces since 2016. Thanks to its long years of sales, marketing and customer satisfaction experiences, it helps the companies provide consultancy services to create a successful brand.