ERP, CRM, websites and custom software in a single ecosystem. The technology the market uses, and the same one that runs inside the group.
Get to know the companyFive companies, one standard of operation.
Technology, payments, construction, food service and education. Businesses that look nothing alike, run with the same rigor.
- GraffennoERP
- DyamanteCRM
- NeexxusWebsites
- DominnusFinance
- GastronomiaNight
- HamburgueriaCasual
- CoffeeDay
The brands that make up the ecosystem.
Each one runs independently. All of them share the same infrastructure, the same management standard and the same bar.
Five operations, five markets.
Each company answers for its own market. Between them, only what has already proven to work gets shared.
Digital account and payment methods for businesses. PIX, bank slips, cards and receivables advance.

Building materials. Store operation, logistics and end-customer service.
Get to know the companyThree houses, one kitchen: signature fine dining at night, a casual burger joint and a daytime coffee shop.
- BRAZA GastronomiaNight
- BRAZA HamburgueriaCasual
- BRAZA CoffeeDay
Corporate education. Training and development for the teams of every operation in the group.
Get to know the companyOne standard, across five markets.
Issuing an invoice, reconciling a PIX payment, closing a table in the dining room or training a class: the way we operate is the same. Written process, measured data and prepared people.
- Process
- Data
- People
A group is not a portfolio.
Very different businesses fail for the same reasons: no process, no data, no prepared people.
That is why the group is organized by competence, not by sector. The technology that runs the fintech is the same that controls the stock of the building materials store. The management standard of the restaurant is the same as the software team's. The training that prepares the salesperson prepares the developer.
Four things we don't negotiate.
A business that depends on someone remembering does not grow. Every operation in the group runs on written routines, a clear owner and a deadline.
A decision without numbers is just an opinion. The same technology CarbonoTech delivers to the market measures sales, stock and cash in-house.
No process survives an unprepared team. Zeron trains those who join and develops those who stay, in every company.
Each company answers for its own market. Between them, only what has already proven to work gets shared.
None of the companies exists to serve another. They all exist because the same rigor works anywhere.
Five fronts, one engineering.
What the companies share: the same technology, the same management standard and the same way of preparing people.
- 01Technology
ERP, CRM, website builder and custom software for the real operation of businesses.
CarbonoTech - 02Payments
Digital account, PIX, bank slips, cards and receivables advance for businesses.
CarbonoPay - 03Construction
Building materials retail, with store operation, logistics and service.
DRK - 04Food service
Signature restaurant, burger joint and coffee shop, from kitchen to dining room.
BRAZA - 05Education
Training and development for the teams of every operation.
Zeron
We build with prepared people.
Five companies, five markets, one way of working. Pick the operation and see what's open.
- Business partnership
- Supply
- Press
- Careers
Every partnership starts with a conversation.
Business partnership, supply, press or the right job for you. Pick a path and we'll get back to you.
0800 000 5680 · [email protected]


