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Global Contact Center Solutions

900 535 865

We accompany your AI on its journey

Experts in growing your AI with expert human support.

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MST Holding

Servicios Globales de Contact Center.

Best Contact Center 2025

Excellence, innovation and commitment that make the difference.

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Europe awards MST Holding

The biggest awards in the European Contact Center sector.

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Best Customer Experience 2025

Excellence, innovation and commitment that make the difference.

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Europe awards MST Holding

The biggest awards in the European Contact Center sector.

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International Services World Wide

Connecting people since 1992.

Outsource with control. We integrate Customer Service Backoffice Expert Consulting AI Technology

We govern your Customer Service from start to finish to turn each interaction into real results.

At MST, we don’t just manage calls or tasks. We govern the entire event, from the first interaction to the final closure, under a robust control model.

Inbound

Inbound Call Center and call handling service with a hybrid human + AI model, focused on full resolution, operational efficiency, and reduction of repeat contacts.

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Outbound

Outbound Contact Center service with responsible telesales, dedicated account managers, and artificial intelligence to maximize conversion, legal compliance, and reduce complaints.

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Back office

End-to-end backoffice outsourcing with intelligent automation. We reduce operating costs, backlog, and rework through efficient, traceable BPO focused on measurable results.

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CX Consulting

Customer Experience and Contact Center consulting specialized in the optimization, auditing, and governance of outsourced services to improve efficiency, quality, and customer experience.

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AI Technology

Artificial Intelligence for Call Center and Contact Center that automates processes, controls quality, reduces errors, and improves regulatory compliance with technology applied to BPO.

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Quality and Security Certifications

A technology company that strictly complies with security in private European data centers

The highest national and international awards in the Contact Center sector

2025 Platinum Awards

First Prize: Best Contact Center 2025

2025 Platinum Awards

First Prize: Best Customer Experience 2025

2025 ECCCSA Awards

Silver Award: Best Employee Experience 2025

2024 ECCCSA Awards

Bronze Award: Most Effective Strategic Transformation Performance 2024

With more than 30 years of experience in Contact Center BPO and Customer Support

MST operates in sectors where operational stability and brand reputation are critical.

Dedicated to a wide variety of sectors

Banking

We transform your Customer Experience with 360º BPO solutions for the Financial Sector. Process Outsourcing, Business Generation, and specialized Customer Experience Consulting.

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Tourism

Contact Center and BPO for the Tourism sector that integrates support, back-office, and operational governance to manage peak demand, critical incidents, and multichannel experiences with control.

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Consumer Electronics

Contact Center and BPO for the Consumer Electronics sector, specialized in optimizing and reducing costs in Customer Service, Technical Support, and After-Sales.

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Automotive

Contact Center and BPO for the Automotive sector, specialised in customer support, after-sales, appointment management and back office, focused on operational efficiency and customer experience.

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Case Studies

How we turn complex operations into competitive advantages

Discover how we help companies in critical sectors regain control of their outsourced services. Each case study shows how our end-to-end governance model solves real problems of saturation, inefficiency, and operational risk, generating tangible impact on cost, quality, and sustainable growth.

Explore our Case Studies by sector

Calle de Orense, 81
28020 Madrid, Spain

900 535 865

Outsource with control. We integrate Customer Service Backoffice Expert Consulting AI Technology

Inbound

Outbound

Back office

CX Consulting

AI Technology

The highest national and international awards in the Contact Center sector