What you are looking for is Coinsimple.
Well I'd say it depends if Coinsimple is okay with the products or services you want to sell with their solution:
The users agree not to publish, post, upload, distribute, provide or enter any material or information that is illegal, unlawful or can be regarded as fraudulent, libelous, malicious, threatening, offensive, profane, obscene, fanning ethnic or racial tensions, immoral or any such information which any reasonable person would consider objectionable on grounds of good conscience.
https://coinsimple.com/terms-of-service/ Also this is in their privacy policy:
The Site may track the total number of visitors to our Site, the number of visitors to each page of our Site, browser type, and IP addresses, and we may analyze this data for trends and statistics[...]
And this is in addition to the fact that they are most probably also able to link all your customers' email addresses with their bitcoin transactions.