I’ve worked with SEO for several years. As a marketing manager my company decided to hire them to help bring in more organic traffic for our site. We had used other SEO firms in the past and were not pleased, as the consultants would usually come in and meet with us and promise to do a lot, get us a lot of great links, etc… but they never actually did those things. SEO.co did what they said they were going to do and we saw great increases in organic traffic in large part because of their work (mostly content distribution on some well ranked/respected websites). After I left that employer I reached out to them at another employer and we used their services there as well. Again, I was pleased with their work.