Can Anyone Recommend a Good SEO Agency?

[Marcus Taylor]

We're planning to expand our website into a few new language markets and are exploring agencies that can help us reach the right audiences through organic search.

I've come across Thrive, WebFX, and ResultFirst during my research. Before making a decision, I'd like to hear from anyone who has worked with them. How was your experience, and did you see improvements in organic traffic or visibility in your target markets?

If you've worked with another SEO agency that you'd recommend, I'd be happy to hear about that too.