COPENHAGEN, DENMARK and LONDON, UNITED KINGDOM--(Marketwired - Dec 22, 2015) - Siteimprove A/S, a leading provider of web governance software, today announced that it has received a $55 million minority investment from global growth equity firm Summit Partners. The funding will support Siteimprove's continued expansion of its global operations, sales and marketing as well as the development of its category-leading SaaS solutions for web governance.