| Company | Country | Founded | Funding | Employees |
| The Netherlands | 2014 | $3.8M | 22 | |
| The Netherlands | 2011 | $13.4M | 33 | |
| United States | 2011 | $99M | 150 | |
| The Netherlands | 2014 | $22.5M | 45 | |
| The Netherlands | 2014 | $2.2M | 185 | |
| France | 2014 | $11.6M | 40 | |
| Spain | 2011 | $5.7M | 50 | |
| United Kingdom | 2010 | $67.9M | 90 | |
| United Kingdom | 2011 | $22M | 74 | |
| Spain | 2015 | $7.9M | 60 | |
| The Netherlands | 2013 | $8.8M | 33 | |
| United Kingdom | 2013 | $12M | 11 | |
| United Kingdom | 2012 | $6.8M | 2 | |
| The Netherlands | 2011 | $120k | 55 | |
| The Netherlands | 2012 | $3M | 45 | |
| The Netherlands | 2011 | $1.7M | 30 | |
| The Netherlands | 2013 | $1.9M | 10 | |
| Spain | 2013 | $17.2M | 155 | |
| United Kingdom | 2013 | $7.9M | 2 | |
| United Kingdom | 2013 | $4.4M | 30 | |
| The Netherlands | 2015 | $4.1M | 8 | |
| United Kingdom | 2011 | $22.5M | 96 | |
| Spain | 2012 | $26.3M | 11 | |
| United Kingdom | 2012 | $6.4M | 5 | |
| The Netherlands | 2014 | $7.1M | 25 | |
| United Kingdom | 2011 | $4.2M | 11 | |
| France | 2012 | $3.1M | 23 | |
| United Kingdom | 2013 | $8.7M | 2 | |
| Spain | 2012 | $2.1M | 50 | |
| United Kingdom | 2013 | $15M | 50 | |
| Spain | 2012 | $3M | 6 | |
| United Kingdom | 2013 | $9.7M | 70 | |
| France | 2011 | $6.8M | 100 | |
| The Netherlands | 2014 | $1.4M | 15 | |
| France | 2012 | $800k | 10 | |
| France | 2015 | $11M | 2 - 10 | |
| France | 2012 | $8.9M | 11 - 50 | |
| The Netherlands | 2012 | - | 10 | |
| France | 2012 | $23.8M | 11 | |
| Spain | 2011 | $3.6M | 70 | |
| - | - | - | - | |
| The Netherlands | 2014 | $930.2k | 11 | |
| The Netherlands | 2013 | - | 30 | |
| United Kingdom | 2011 | $4M | 40 | |
| Spain | 2011 | $1.5M | 11 | |
| Spain | 2013 | $2.6M | 31 | |
| The Netherlands | 2015 | $170.5k | 8 | |
| United Kingdom | 2011 | $7.6M | 79 | |
| United Kingdom | 2013 | $2.1M | 2 | |
| France | 2012 | $5.5M | 11 |
