Compose.ly, founded in 2017, is a content-first SEO agency focused on creating high-quality content to increase traffic and drive business results for its clients. The firm operates from Seattle and employs between 51 and 200 people. Its technical domains are centered on SEO and content marketing.
The agency's service portfolio includes blog writing, white papers, case studies, technical content, press releases, ghostwriting, and comprehensive managed content solutions. Its work spans several industry verticals, including finance, healthcare, technology, and legal.
Compose.ly reports that its clients achieved 2.6× more clicks in 2025. The company emphasizes experience, expertise, authority, and trustworthiness (E-E-A-T) and maintains a writer acceptance rate of the top 1%, achieved through a rigorous testing and evaluation process.