Analytics Business Solution, a provider of IT services, completed the acquisition of Extel Contact Center, a telemarketing and contact center, from Adecco, a human resources provider and temporary staffing firm. Financial terms were not disclosed. "Once the operation is finished, Adecco will continue to invest in the development of innovative solutions in the field of Human Resources, in which talent and technology will be the pillars in the value proposition for companies and workers," Adecco.