Christian Rozsenich

clickworker GmbH provides crowdsourcing services. It provides independent contractors who assist in the processing of company projects. The firm’s solutions encompass texts, web research, categorization and tagging, product data management, mobile crowdsourcing and API. The company was founded by Alexander Linden and Angelika Linden in 2005 and is headquartered in Essen, Germany.

Part of clickworker GmbH, clickworker.com, Inc. is a company that offers various crowdsourcing solutions such as AI training data, web research, tagging, surveys, and SEO texts. The company is based in San Francisco, CA and offers digital marketing services that range from SEO to content to research. The company provides a managed service for each of their solutions to increase a company's efficiency. The company utilizes their international crowd to complete orders quickly, with high quality and reasonable prices. Clickworker.com, Inc. also offers copywriting services and encourages interested parties to contact them for more information.

WorldRes, Inc. provides online hotel reservation services. The company offers around 35000 hotels, inns, B&BS and resorts including large international hotel chains, smaller independent hotels, and boutique style hotels. The company was founded in 1995 and is headquartered in San Mateo, CA.