SFDIFYCustom software development for Chicago businesses.
SFDIFY is a software development company based in Naperville, in Chicago's western suburbs. We build AI products, SaaS platforms, mobile and web apps, custom CRMs and Salesforce implementations for businesses across the Chicago area, in your time zone.
What we build for Chicago companies.
AI development
Generative AI features, document automation and assistants built into your product or workflow.
Learn moreAI chatbots and agents
Bots that answer, qualify leads and hand off, on your site, Instagram or Salesforce.
Learn moreSaaS platforms
Multi-tenant products with billing, roles and analytics, from a studio that runs its own SaaS.
Learn moreMobile and web apps
iPhone, Android and web apps for customers and teams, built to stay fast.
Learn moreCustom CRM and Salesforce
Custom CRMs and Salesforce implementations from a Salesforce Consulting Partner.
Learn moreMVP development
The smallest product that proves the idea, in front of real users quickly.
Learn moreFrom first call to launch.
Free first consultation
Tell us what you are building and where it is stuck.
Plan
A first version, a timeline and the team that will build it.
Build
Working software every week or two, reviewed with you as it grows.
Launch and grow
Ship to real users and improve from what they do.
Work close to home.
PST Global
The website for an asset-based carrier in Naperville, Illinois: capabilities, safety, driver hiring and a lane quote form that goes straight to dispatch.
Visit siteYolda
The AI-native TMS for trucking. Its AI reads rate confirmations into loads, watches every CDL and medical-card date, and answers questions about your numbers.
Learn moreUSTAXX
The portal and app behind an IRS-authorized e-file practice. Clients ask USTAXX AI, track deadlines and follow their return in nine languages.
Learn moreQuestions, answered.
Where is SFDIFY located?
SFDIFY is based in Naperville, Illinois, in the western suburbs of Chicago, and works in Central time.
What kind of software do you build for Chicago businesses?
AI products and features, SaaS platforms, mobile and web apps, websites, custom CRMs and Salesforce implementations.
Why choose a local software development company?
Same time zone, easier communication and a team that knows the regional market. Our guide to local versus national software development firms covers the trade-offs.
Do you only work with Chicago companies?
No. We work with businesses across the US, but Chicago-area companies get a team a short drive away.
How do we start?
Book a free first consultation. Projects typically start 2 to 4 weeks after the first call.
Further reading.
Chicago Software Development: Local vs. National
Compare a local Chicago software development company with a national agency on communication, cost and talent, and learn how to check a firm is local.
Learn moreMobile App Development Cost in 2026: What a Custom App Costs
Mobile app development cost in 2026: typical price ranges by complexity, the main cost drivers, MVP vs full launch, and what to budget after launch.
Learn moreNative vs Cross-Platform Apps: Which Is Right for Your Business?
Native vs cross-platform apps compared on cost, performance, timeline, and maintenance, plus when native wins and when a progressive web app is enough.
Learn more