Colorado, United States
Custom ERP and billing, AI agents, web applications and SaaS for technology and education businesses in Boulder, CO. 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
Federal science labs give Boulder an unusual research base: NIST, NOAA and the National Center for Atmospheric Research work alongside the University of Colorado, which feeds aerospace programs at BAE Systems' former Ball Aerospace operations. Startup accelerator Techstars began here, and the city is a center for natural and organic food brands, from Celestial Seasonings tea to snack and supplement makers, alongside medical-device and biotech firms.
English and Spanish
02 — Industries
What we would build first for the industries Boulder is known for.
03 — Local rules
On top of the national rules summarised above.
| Colorado | Sales tax: 2.9% state rate plus county, special-district and home-rule city taxesPrivacy: Colorado Privacy Act (effective 1 Jul 2023) |
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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 12 h 30 min ahead of Boulder, CO on standard time, and 11 h 30 min ahead during daylight saving time there. A 09:00 start there is 21:30 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 Boulder; discovery happens on video calls and you get working software every two weeks.
Jaipur is 12 h 30 min ahead of Boulder, CO on standard time, and 11 h 30 min ahead during daylight saving time there. A 09:00 start there is 21:30 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 Colorado sales tax (2.9% state rate plus county, special-district and home-rule city 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 technology & startups that is often subscription billing and project & time tracking. 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.