Plenummedia, a Madrid-based web service B2B provider, has received a $6.5 million Series B round of financing led by Spanish VC firm Seaya Ventures, according to published reports.

Plenummedia, which provides services from web design to email, search optimization, and online marketing services, claims to have over 10,000 customers served by 180 employees in Spain and Mexico. The company is a premium partner in Google AdWords and a Gold Certified Partner of Microsoft Bing.