SAN FRANCISCO--(BUSINESS WIRE)--Rainforest QA, the leader in on-demand quality assurance (QA) solutions, today announced it raised $25 million in Series B funding, bringing the company’s total funding to $41.2 million. Silicon Valley Bank, Bessemer Venture Partners, Sutter Hill Capital, Rincon Ventures, and Initialized Capital all participated in the round. Rainforest will use the new funds to accelerate sales and marketing and further expand its platform so development teams can assure the bes.