24h estimate

Send the brief

Describe the plant, the protocol stack and the constraint. We read every enquiry and reply within one business day.

Request an estimate

Your message goes straight to the team — no CRM, no ticket system.

Location
Wroclaw, Poland / Dublin, Ireland / Kharkiv, Ukraine
Working hours
Monday – Friday
09:00 – 18:00 EET (UTC+2/+3)
Email
react.app.top@gmail.com
The fastest way to reach us.
Communication
Slack · Telegram · Google Meet · Zoom
We adapt to the tools your team already uses.
We typically reply within one business day.
FAQ

Before you write

Within one business day. Every enquiry is read by the team that would do the work.
The domain, the constraint that hurts today, and any deadline. Inverter lists, OCPP versions or delivery specs help, but a short note is enough to start.
Yes. We sign an NDA before you share vendor lists, protocols or production architecture.
Yes. Work is delivered remotely worldwide. English is the default working language; the site itself is in nine languages.