Nathan Moody and Obsidian Sound would love to help you with your project, answer any questions you might have, or send you our thorough mastering submission guidelines. Just email directly nathan [at] obsidiansound [dot] net. (Our previous contact form stopped functioning, our apologies.)
If you are asking for a quote, please include total number of songs/tracks, total running time in minutes, release format(s) you’re targeting (digital, vinyl, etc.), and any deadlines we should be aware of.