As a leading Facility and IT solutions provider, Diversified Technology Solutions International Inc. (DTSI) Group is a pioneer in enabling innovative, end-to-end workplace facilities, advanced communication services, and game-changing technology for global companies.


Founded in August 1997, DTSI Group has played a key role in the growth and development of the IT-BPO sector through strategic consulting, facility build, and managed services. Today, DTSI Group has served leading BPOs, multinationals and top Fortune 500 companies, and has built over 1.2 million square meters of office space and has enabled over 700,000 Call Center& Shared Services seats throughout the Philippines and Globally.


As an integral component of its expansion, DTSI Group became part of NTT Global Group in 2012. This enables DTSI to create a much larger portfolio of technology-based products, solutions, and services. As an NTT Group company, DTSI Group provides Digital Transformation, Intelligent Business Solutions, Intelligent Infrastructure, Intelligent Workplace, and Intelligent Cyber Security to a wide array of corporate clients in various industry verticals.


DTSI Group’s primary focus is to enable IT-BPO’s and Global In-House centers in the Philippines.  This involves assisting companies to enter, expand and grow through creating Workplaces of the Future. DTSI is consistently recognized and awarded as a Leading Contact Center Enabler by Frost & Sullivan. Today, DTSI provides its continually expanding client base cutting-edge collaborative workplaces, end-to-end business and technology solutions, making the company the acknowledged service providers’ provider in the Philippines.


Two other companies presently complete the DTSI Group: DTSI-USA and Anthem Solutions. DTSI-USA is one of a handful of successful Philippine companies operating in the United States, delivering  Systems Integration of IT infrastructure and applications for US clients with both US and Philippine operations.


Anthem Solutions, the newest company in the group, is a managed service facility and technology provider facilitating the entry and expansion of IT-BPO companies and global in-house centers into the Philippines. Today, Anthem has over 25,000 plus seats under contract under its Managed Seat & Managed IT Facility offering.


  • More than 21 years of experience
  • Over 600,000 call center seats enabled (60% of the Philippine contact center industry)
  • Over 22,000 seats under management
  • Over 1,000,000 sq. meters of facilities built
  • Over 100,000 sq. meters of office space leased
  • Over 1,000 clients ― a number of which belong to the top Fortune 500 corporations and global companies
  • Over 400 seasoned employees

DTSI Group provides the most comprehensive, seamless, and straightforward solutions for setting up and running business operations in the country:

Business and professional consulting services for investors

Turnkey built-to-suit facilities and managed facilities

Technology equipment financing

Facilities design, construction, and management

Security, technology, and communications infrastructure deployment and management

IT services, consulting, implementation, and operations services


to guide NTT Ltd. Philippines towards achieving its business goals.

Ernesto D. Manansala

Chief Operating Officer,
NTT Ltd. Philippines

Ireen Catane

CEO, Philippines
NTT Ltd.

Mila Delos Santos

Chief Financial Officer
NTT Ltd. Philippines

Jonathan G. Miclat

Head of Sales, NTT Ltd. Philippines

Lawrence Q. Cu

Head of Services,
NTT Ltd. Philippines

Vilma L. San Jose

Head of HR, NTT Ltd. Philippines


Our top-quality services are a product of strong partnerships with some of the world’s best and reliable brands.


We are deeply humbled by the recognition given to us by our valued partners in the industry. Through our people’s relentless dedication and hard work, DTSI Group has been consistently recognized in delivering value to our partners’ respective businesses.

2018 Frost & Sullivan Philippines Contact Center System Integrator of the Year

2018 Dell EMC Titanium Partner

Dell EMC FY18 Top Networking Solutions Partner – Tier 1 Level


It has been an amazing privilege to serve under these logos. DTSI Group is proud to work with these trusted brands on the market.



12F Zuellig Building Paseo de Roxas cor. Makati Avenue, Makati City 1225 Philippines

24/7 Customer Service / Service Desk

(+632) 7976 -0800 (Technology concerns)

(+632) 7976 -0811 (Facility concerns)

Head Office

Tel: (+632) 8856 88 88
Fax: (+632) 8856 88 99


G/F eBloc 1, Asiatown IT Park Lahug, Cebu City, Philippines
Tel: +63 32 318 0030
Fax: +632-856 88 99

United States

The Esplanade 2415 East Camelback Suite #700, Phoenix, AZ 85016
Tel: +1 602. 508.6128
Fax: +1 602. 508.6099