Illinois, United States
Custom ERP and billing, AI agents, web applications and SaaS for aerospace and engineering businesses in Rockford, IL. Built by Flip Retail in Jaipur, India, and delivered remotely, with working software every two weeks.
National tax, e-invoicing and data rules, with sources: United States guide. General information, not legal or tax advice. Last reviewed October 2026.
01 — Local economy
Aircraft systems are the anchor: Collins Aerospace and Woodward make power, fuel and flight-control components here, and a long tail of machine shops, fastener makers, tool-and-die firms and heat treaters supply them and the auto industry. Chicago Rockford International Airport has grown into a major cargo field built around a UPS air hub, and the city's position on I-90 draws distribution centres serving the Chicago region.
English and Spanish
02 — Industries
What we would build first for the industries Rockford is known for.
03 — Local rules
On top of the national rules summarised above.
| Illinois | Sales tax: 6.25% state rate plus local and home-rule taxesPrivacy: No comprehensive state privacy law (sector laws apply, notably the Biometric Information Privacy Act) |
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General information, not legal or tax advice. Last reviewed October 2026. National tax, e-invoicing, data-protection and AI rules, with sources, are in our United States guide.
04 — Working together
Jaipur is 11 h 30 min ahead of Rockford, IL on standard time, and 10 h 30 min ahead during daylight saving time there. A 09:00 start there is 20:30 in Jaipur. Office hours don't overlap, so we fix one call slot at the edge of the day and work asynchronously in between.
Local time, standard time.
Pranjal was excellent — fast, great at communicating, and completed the custom work.
50+ projects for 30+ clients in 11 countries over six-plus years.
05 — FAQ
Yes, remotely. Flip Retail is a software studio in Jaipur, India, with no office in Rockford; discovery happens on video calls and you get working software every two weeks.
Jaipur is 11 h 30 min ahead of Rockford, IL on standard time, and 10 h 30 min ahead during daylight saving time there. A 09:00 start there is 20:30 in Jaipur. Office hours don't overlap, so we fix one call slot at the edge of the day and work asynchronously in between.
Yes. Invoicing handles Illinois sales tax (6.25% state rate plus local and home-rule taxes) and the other states where you have nexus. If you or your customers want it, a custom ERP can connect to DBNAlliance through an accredited provider.
Yes. Current language models handle English and Spanish well, including mixed-language messages. We still test an agent in each language your customers use before it goes live, and route anything it is unsure about to your team.
Usually one module that fixes the most expensive problem first. For aerospace & defence supply chain that is often serial & batch traceability and certificates of conformity. It goes live early, and the rest of the system follows in two-week increments while your team is already using it.
Contact
Tell us about the process you want fixed. We reply within one working day.