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Tri Source International

4/5 • Glassdoor rating


Matt founded Tri Source International in 2007, turning a vision to stay connected with family in Central America into what is today an omni-channel solutions leader. As President and CEO, he, is headquartered in TSI’s Los Angeles office, but is frequently found walking the floor of TSI Customer Experience Centers where “the real work” is done. Matt guides company vision and strategy and helps execute TSI’s Execution. Guaranteed!™ Promise with a personal involvement with each client.


27770 Entertainment Dr. Ste. 200, 91355, Valencia, CA

Public or Private


Seats or staff




  • BPO
  • Ecommerce
  • Entertainment
  • Financial Services
  • Government
  • Healthcare
  • Hospitality
  • Insurance
  • Legal
  • Real Estate
  • SaaS
  • Telecoms
  • Transportation
  • Travel
  • Utilities



Matt Reeser, Founder | President & CEO

Year Founded


Countries of fulfillment
  • Costa Rica
  • Mexico
  • Nicaragua
  • United States
  • Admin Support
  • Customer Service
  • Finance & Accounting
  • Full service BPO
  • Output-based
Contact information

1 888-314-4530

About Tri Source International: Review and comparison

TSI Outsourcing is an outsourcing center that provides strategic solutions. The firm has its headquarters in Valencia, CA. The firm was established in 2007. It has become grounded in the services it offers to its clients. It has been providing more straightforward outsourcing solutions.

The company focuses on conducting seamless outsourcing, which covers all areas of clients’ needs. The firm provides custom-based outsourcing solutions, as well as nearshore solutions.

With its experience in the industry, TSI Outsourcing has also expanded its operations. TSI Outsourcing has offices in Los Angeles, Panama, and the United Kingdom, with a current company size of 501-1,000 employees.

Tri Source International Outsourcing

The firm takes pride in its personal touch in its involvement with clients. While executing clients’ needs, TSI Outsourcing puts itself in the clients’ shoes for an efficient customer-centric approach.

The company aims to provide an improved customer service experience. The company has dedicated resources and omnichannel solutions for clients.

Tri Source International’s BPO services and pricings

TSI Outsourcing is an outsourcing body that provides unparalleled services. They are:

  • Equity elevation and sales
  • Nearshoring and staffing
  • Outsourcing services
  • Customer Experience Management
  • Billing processing and other back-office tasks
  • Omni Channel Solutions
  • Virtual Assistants and Telemarketing services
  • Brand exposure and Recognition

The firm also offers its services at a friendly cost. The company works with several industries.

TSI Outsourcing’s pricing

TSI Outsourcing’s pricing is friendly. They ensure clients get costs according to their needs and demands. The number of services needed will determine the price. The delivery of these requirements is by the best talents in the industry.

How Tri Source International outshines its competition

The firm believes that their distinguishing factor is in their story. The company outstands its peers in its process of service delivery. The promise of execution. The values of the firm are to ensure service is passionately delivered. There have to be results with a balance of fun and transparency.

The company makes a guarantee of dedicated systems and staff as well as diligent reporting. The company has its purpose spelled out. They aim to upgrade teams, grow the sales and business of their clients. This empathic touch stands the firm out.

Key executives

Matt Reeser (Founder/ President and CEO)

Matt is an MBA holder from the University of Phoenix. He founded the company in 2007 and has since then been the President and CEO. Right from his university days, Reeser has displayed a high level of leadership skills. He loves to give back to humanity.

Tri Source International reviews and comparisons

TSI Outsourcing is a widely spoken outsourcing center in Central America and the United States. This is from employees and clients alike. Employees say the firm is a great place to work. They were able to gather experience and knowledge in a conducive and friendly atmosphere.

A healthcare executive stated, “We found Tri Source unique in that they can recruit personnel tailored towards specific needs.” Other clients applauded different aspects of the company’s work. The company has shown itself to be top-notch in the industry.

Tri Source International’s contact information

Tri Source International’s main headquarters is located in:

27770 Entertainment Dr. Ste. 200, 91355, Valencia, CA

Further, you may virtually reach out the company through the following contact information:

In addition, you may email them at [email protected] or call 1 888-314-4530.


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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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