Contact
Get in touch.
Three ways to reach us. Pick the one that matches how urgent your question is.
Option 1 · Fastest
Book 20 minutes with Dennis.
A real call with the founder. No sales team. He’ll answer your questions and figure out if Sparqbox is a fit.
Book a callOption 2 · Async
Email hello@sparqbox.com.
Straight to Dennis’s inbox. Replies within 24 hours on weekdays.
Send an emailOption 3 · Write to us
Send us a message.
Use the form below if you prefer. Messages land in hello@sparqbox.com. No autoresponders.
Company information
SupplyUp
Dutch sole proprietorship (eenmanszaak)
Run by Dennis Jacobs
Headquartered in the Netherlands
KvK 75179415 · VAT NL002238592B33
Sparqbox is currently a product of SupplyUp. A dedicated Sparqbox B.V. is planned for later in 2026.