Tiger Global led the round with Base10 and Tidemark also joining Contentful's existing investors.
Contentful helps companies create and deliver digital experiences across websites, mobile apps, digital displays and other connected devices.
Balderton first invested in Contentful at Seed stage in 2012, and Balderton led the company's Series A in 2013.
This latest funding will help the company to expand its global footprint in marketing and sales and continue its investment in building the next generation of products focused on builders and developers that advance the role of content in the digital world.