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GBA call center


GBA is the world’s first global BPO call center alliance offering specialized support services from independent companies and local providers from Asia, Europe, Africa, and North and South America. We provide 24/7 multilingual contact center solutions through a single point of contact for our clients, all up to global standards and based on local pricing.

What GBA call center offers its clients

Contact Center
Non-voice Support
IT Development

How GBA call center outshines the competition

Our sites provide high-quality support services based on global standards. Choose the location, language, and facilities you need based on your business requirements.

GBA's global network, which spans five continents, enables us to provide seamless, integrated operations tailored to the specific language and location needs of our clients.


Via 1 Maggio 13 20037, Paderno Dugnano, Milano, Italy

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About OA

Outsource Accelerator is the trusted source of independent information, advisory and expert implementation of Business Process Outsourcing (BPO).

The #1 outsourcing authority

Outsource Accelerator offers the world’s leading aggregator marketplace for outsourcing. It specifically provides the conduit between world-leading outsourcing suppliers and the businesses – clients – across the globe.

The Outsource Accelerator website has over 5,000 articles, 450+ podcast episodes, and a comprehensive directory with 3,900+ BPO companies… all designed to make it easier for clients to learn about – and engage with – outsourcing.

About Derek Gallimore

Derek Gallimore has been in business for 20 years, outsourcing for over eight years, and has been living in Manila (the heart of global outsourcing) since 2014. Derek is the founder and CEO of Outsource Accelerator, and is regarded as a leading expert on all things outsourcing.

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