https://www.techpowerup.com/264185/cd-projekt-red-now-second-largest-gaming-company-in-europe CD Projekt Red has to be the most renowned games developer in the world, due to its consumer-friendly policies and overall posture when it comes to creating and maintaining their game worlds. The company has always given gamers more than the average company, with free DLCs being delivered throughout the first year of support for a given title (looking at you, The Witcher III: Wild Hunt), and added goodies to packages that from most other companies usually only feature the plastic packaging around the game disk. Their GOG games platform is also one of the most well-established out there, and has helped build the company's image due to its DRM-free approach.
All of this, alongside the fact that The Witcher series has seen a resurgence with the release of the Netflix series, and expectations on their upcoming Cyberpunk 2077 title, have led the company towards tremendous growth, with it now ranking as second largest European gaming company, second only to Ubisoft - and the difference is still tremendous. Ubisoft has around 16,000 employees (as of 2019), and is home to some of the world's most historic franchises, while CD Projekt Red counts more than 900 employees (as of 2018), with that number having certainly increasing in size in preparation for, and in continued development, of the upcoming Cyberpunk 2077.
Although the company is number two in Europe I believe the company has the capability to become number one in time.