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Great Place to Work 2016

Copyright © Definity First 2017 All rights reserved.

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Dream Impossible.
We build it.

As Gold Certified Microsoft Partner specializing in Azure (Cloud Services), Office 365, and Managed Services. We take the time to understand your business in order to develop the best possible technology solutions to your unique business challenges. Your goals are our goals.

Contact us here

Our Services

What can we do for you.

Our Work

Take a look at our portfolio.

  • Our Company

    Shaping a world in which business vision becomes a reality.

    A software development firm headquartered in California with 12+ years of experience. With five locations in North America and over 150 team members, we have the talent, skills, and experience you need to compete in the 21st century. In an increasingly competitive market, we take the time to understand your business in order to recommend and develop the best possible technology solutions to your unique challenges.

    Companies such as Mission Foods, Microsoft, The Home Depot and many others choose us to provide solutions that will help reach their development goals.

    Meet Our Team
  • Team


    We are a great team and that enables us to help our customers in ways others can’t, or won’t.”

    Omar del Río CEO

    View Our Capabilities
  • Capabilities


    We have multiple partners and certifications that make us the most reliable option for you.

    Definity First is a Microsoft Gold Partner, which certifies that we achieved excellence in Business Intelligence, Web development, Software development, Data Management & Collaboration and Management.

    View Our Story
  • Our Story

    • 2004 Company founded as Sieena
    • 2005 Steady growth, moved to bigger offices.
    • 2006 Increased collaboration as a Microsoft Gold Partner
    • 2008 Successful implementations in business intelligence. CMMI Level 3 accreditation.
    • 2009 Expansion by opening full time Los Angeles office. Full time creative team. International winner of the Microsoft Azure Services Platform Developer Challenge for the Design of the Innovative Cloud-based Personal Radio Station Application.
    • 2010 Further growth in California. Full time mobile team.
    • 2011 Changed name to Definity First to better reflect our commitment to our client's success. Opened San Diego Office.
    • 2012 Opened Houston office to expand our presence in the Texas market.
    • 2013 Opened San Jose office.
    • 2014 Definity First completed the Yammer Customer Engagement Partner Program.
    • 2015 Microsoft Dynamics CRM Transformational Partner of the Year.
    • 2016 Ranked 3rd place in Great Place to Work ® IT and Telecom in Mexico.


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Business Intelligence

Data is everywhere. We help you make sense of it all - not just your typical report.

Success Stories.
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Interactive Design

Our User Experience services provide your enterprise with apps and corporate websites containing all characteristics you need to succeed.

Success Stories.
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Collaboration and Management

Our SharePoint-powered Collaboration and Management will transform your business, from streamlined communication to faster and more efficient project cycles.

Success Stories.
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Mission Critical Support

Definity First’s work doesn’t stop at implementation. Our experts are here to provide the mission-critical system support your company needs, 24/7.

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Product Development

Definity First provides best practice solutions on deadline and on budget, enabling clients to create competitive advantages.

Success Stories.
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Strategic Services

Maximize your investment in emerging technologies and improve your competitiveness. We are always ready to address the unique challenges each company faces through our Strategic Services, uniquely tailored to your company.

Success Stories.
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Customer Relationship Management

Relationships are not just to say hi. Maximize business returns implementing the leading customer management platform, Microsoft Dynamics Customer Relationship Management.

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Cloud & Platform Services

Transform your IT infrastructure into an strategic business asset. Achieve operational excellence and flexibility, and decrease expenses and operating costs.

Find out more
Success Stories.

Our Work

Contact Us

Los Angeles, CA

1901 Avenue of the Stars 2nd Floor, USA 90067

(310) 455-6188

(310) 564-0344

Silicon Valley, CA

7100 Stevenson Blvd, Office 10, Fremont CA, 94538

(510) 403-9511

(510) 405-8777

San Diego, CA

750 B Street Suite 3300, San Diego CA, 92101

(619) 330-9989

(619) 374-7326

Houston, TX

1700 Post Oak Boulevard, 2 Blvd Place, Suite 600, Houston TX, 77056

(713) 491-2881

(713) 481-9855

Atlanta, GA

1372 Peachtree St NE, Office #3101, Atlanta GA, 30309

(470) 755-3973

No available.

Monterrey, MX

Ave. Jose Vasconcelos #124 Pte. Col. Del Valle, San Pedro Garza Garcia, Nuevo Leon, Mexico, 66240

+52 (81) 1352-9000

No available.