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Silicon Valley's Top Web & App Development Company

SDI is a premier software development company that specializes in delivering innovative and cutting-edge solutions to businesses worldwide. With over 20 years of industry experience, SDI has established itself as a trusted partner for businesses seeking custom software development, mobile app development, web design and development, and digital marketing services.

  • $1,000+
  • < $25 / hr
  • 50 - 249
  • Founded 2008
Average Review Rating
4.8
Total Reviews
12
Most Common Project Size
$10,000 to $49,000
Average Referral Rating
5.0 /5

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    Locations (4)

    6 - 9

    Highly Rated Similar Providers

    Overall Review Rating

    4.8
    • Quality

      4.8 /5
    • Schedule

      4.6 /5
    • Cost

      4.7 /5
    • Willing to Refer

      5.0 /5
    See all 12 Reviews
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    App Development for Telecommunications Company

    • Custom Software Development
    • $200,000 to $999,999
    • Jan. 2018 - Ongoing
    4.5
    Quality
    5.0
    Schedule
    4.5
    Cost
    4.5
    Willing to Refer
    5.0

    "SDI - Software Developers Inc is not just a provider, they’re like a partner."

    Feb 19, 2021

    SDI - Software Developers Inc developed multiple apps for a telecommunications company. The team is also responsible for managing and maintaining the apps and submitting them to the App Store for approval.

    Web Dev for Consumer Goods Wholesale Company

    • Web Development
    • $50,000 to $199,999
    • Mar. 2020 - Feb. 2021
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "SDI has given us a great new website that is up to date with all the important features that matter to our customers."

    Feb 15, 2021

    SDI - Software Developers Inc is developing the website of a fast-moving consumer goods wholesale company. They are building the platform using WordPress. 

    Transportation Asset Management System for Consulting Group

    • Custom Software Development
    • $200,000 to $999,999
    • Jan. 2019 - Dec. 2020
    4.5
    Quality
    4.5
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    “The new system is a life-saver for our business.”

    Feb 10, 2021

    SDI created a transportation asset management system for a consulting group on AWS. The system displays what the cost of a project is in real time. They add features on an ongoing basis.

    Magento Web Dev & Design for Jewlery Company

    • Custom Software Development Web Design Web Development
    • $50,000 to $199,999
    • Jan. 2016 - Jan. 2021
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    4.5
    Willing to Refer
    5.0

    “They were very flexible and adaptive throughout the project.”

    Feb 10, 2021

    SDI provided Magento redesign services for an engagement ring manufacturer. The team implemented a mapping and customization software as part of the project.

    Mobile App & Landing Page Dev for Religious Organization

    • Mobile App Development Web Development
    • $10,000 to $49,999
    • Mar. 2019 - Ongoing
    5.0
    Quality
    4.5
    Schedule
    4.0
    Cost
    4.0
    Willing to Refer
    5.0

    “SDI has done a good job in terms of making things a reality.”

    Feb 5, 2021

    SDI - Software Developers Inc provides app and site development services for a religious foundation. Their tasks involve creating an iOS- and Android-friendly app that links different religious apps together.  

    CMS Dev & Maintenance for Farm-to-Table Delivery Service

    • Custom Software Development Web Development
    • $1,000,000 to $9,999,999
    • Jan. 2012 - Ongoing
    5.0
    Quality
    4.5
    Schedule
    4.0
    Cost
    5.0
    Willing to Refer
    5.0

    “We’ve had a long-standing relationship and they meet all of our needs.”

    Feb 4, 2021

    SDI provides ongoing development services for a farm-to-table delivery service’s CMS. The team works on a MySQL server with a .NET core. They also use JavaScript and Jason.

    MySQL Design & Dev for B2B Software Company

    • IT Staff Augmentation
    • $10,000 to $49,999
    • July 2020 - Ongoing
    4.5
    Quality
    4.5
    Schedule
    4.0
    Cost
    5.0
    Willing to Refer
    5.0

    “They’ve always been able to resolve any issues that came up.”

    Feb 3, 2021

    SDI provides outsourced development services for a B2B software company. They work on the design and architecture for a complex MySQL database.

    Magento Development for Bridal Jewelry Manufacturer

    • Custom Software Development
    • Confidential
    • May 2016 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “They go outside the box on their own time to recognize opportunities for growth.”

    Feb 3, 2021

    SDI helped a bridal jewelry manufacturer migrate their site to Magento. They built the entire site and currently work on feature updates, maintenance, and SEO.

    Web Dev & Maintenance for Security Services Firm

    • Web Development
    • $1,000,000 to $9,999,999
    • Oct. 2010 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “Overall, I’m happy with the end product, the services, and their people.”

    Feb 3, 2021

    SDI - Software Developers Inc created a parking permit system website for a security services firm. They worked on the front-and backend initially. Their work is ongoing with hosting and maintenance.

    Custom Application Development for IT Consultancy

    • Custom Software Development
    • Less than $10,000
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They’re always responsive, they communicate well, and they always deliver."

    May 9, 2014

    Sales Development India has provided developmental support on a number of complex initiatives. This has included, for example, custom application development for iOS and Android devices. 

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