I applied for a trademark, through the trademark411 web interface from the UK but there was a problem with the card payment for paying for the USPTO fees step. Nicholas at Trademarks411 paid anyway so there would be no problems for my application and I paid Trademarks411 afterwards. Bear in mind my business is located in the UK, so this was beyond what was expected or required. I've had a couple of queries since, and even though I have gone for the most basic package, Nicholas has been quick to respond and provided great assistance.
Claim your business profile now and gain access to all features and respond to customer reviews.