Leading brands that trust DB1’s engineering
Banking, brokerage, healthcare, sanitation and retail. Critical operations that cannot stop.
Legacy grows every year, in budget, in risk and in lost opportunity.
A core system that does not evolve does not stand still: it gets more expensive to maintain and harder to change with every budget cycle. Doing nothing is a decision too, just one that costs more with every year that passes.
The real cost of legacy
of a company’s IT budget is consumed by technical debt.
Source: Deloitte, 2026is what Brazilian banks invest in technology in 2026. Those stuck with legacy watch that money become the competitor’s advantage.
Source: FEBRABAN/Deloitte, 2026of CIOs make legacy modernization a priority in 2026.
Source: Gartner, CIO Survey 2026The roadmap that never moves
Keeping legacy alive consumes the team that should be building what is new.
The budget grows. The delivery does not.
Every year without action makes modernization costlier and freezes the investment.
Everything depends on two or three people
Concentrated knowledge leaves the operation exposed.
It works in the demo. Not in production.
The pilot impresses in the lab and does not survive real volume, dirty data and integration with the core.
AI investment with no tangible return
Licenses, training and dedicated squads, and the gain shows up in no business indicator.
The architecture blocks AI at the core
Without a system ready to integrate, AI stays on the periphery, far from what generates revenue.
Everyone promises to modernize with AI. The difference is here.
What holds that promise up
Core Up: modernizing critical software with Agentic Engineering, without stopping the operation.
The legacy goes out. The new comes in. The operation keeps running.
Our method modernizes and builds complex systems with AI agents, engineering governance and human validation at every transition. Each step produces clear deliverables, reduces risk and keeps the client in control of what goes to production. Here is how it works:
Intelligent Diagnosis
Agents analyze code, business processes and operational data to map the root cause of the technical problems and how they connect to bottlenecks and lost business opportunities.
Human gate · Validation GatePrioritization and Roadmap
A clear, prioritized roadmap is structured to guarantee a controlled replacement, with no risk and with immediate business value.
Human gate · Roadmap Sign-offImplementation
DB1’s AI First development cycle delivers the modernization with quality, speed and security backed by the expertise of our engineers.
Human gate · Review + SAST/DASTRuntime Intelligence
Continuous production monitoring: agents proactively track usage, performance and anomalies, mitigating points of degradation and keeping technical debt under control, preventing a new legacy from forming.
Human gate · Quarterly reviewThe Harness is what separates Agentic Engineering from freestyle AI: the contract that defines what agents can and cannot do in your context. Without it, there is no contract. Without a contract, there is no control.
the service that monitors your software continuously and keeps technical debt under control, instead of letting it pile up.
Technical debt under direct control in production, without becoming a new legacy.
AI with governance. Not freestyle AI.
Our engineering makes sure your software does not turn into legacy again.
You modernize once and stop worrying, because every agent’s output goes through an approval chain with an auditable trail, without trading quality or security for speed. With continuous production monitoring, technical debt does not grow back.
No agent operates outside the Harness
The contract defines boundaries, guardrails and acceptance criteria for each client’s specific context.
What runs is auditable and traceable to the specs and the Harness
Deterministic replay, traceable to the approvers accountable for it. It is not trust, it is evidence.
Ready for regulatory audit
An end-to-end auditable trail: what banks, fintechs, healthcare and utilities require to adopt AI.
CMMI DEV/3: process certified by external auditors
Very few software engineering companies in Brazil hold this certification. Quality, traceability and process maturity that are verifiable, not self-declared.
We are specialists in these fronts too
For institutions that need to meet BACEN deadlines, integrate core systems and operate in compliance. No mocks and no rework with every new resolution.
From regulatory mapping to continuous evolution, agentic engineering cuts Open Finance implementation time by 40% and keeps compliance through every new BACEN cycle.
See our work in Open Finance
Sectors we serve
How our clients evolved in practice.
See the numbers, hear from those who trusted DB1.
Critical software delivered with quality, performance and data security end to end.
Plaenge needed a technical partner able to sustain those three fronts at once, without giving up any of them. DB1 delivered auditable, performant software with the data security the operation requires, without trading technical rigor for speed.
modernizing code on complex legacy projects.
vs. an equivalent manual rewrite, with agents and human review.to put critical systems in production, without giving up quality, performance and data security.
vs. the implementation schedule planned by the client.maintenance cost after modernizing with the Core Up Method.
maintenance cost before vs. after modernization.on average across deliveries with human gates and an auditable trail.
average rework measured on deliveries under the Harness.More cases in production.
In the age of AI, what is missing is not code. It is control.
Today any tool generates code in seconds, and the market celebrates the speed. But almost nobody asks the question that matters: who vouches for what goes into production? I see companies piling up systems nobody reviewed, nobody understands and nobody controls.
In software that runs a critical business, a mistake is not a bug: it is a halted operation, an exposed client, technical debt that blocks the roadmap for years. Speed without governance is not progress, it is risk outsourced to whoever signed the contract.
At DB1, AI accelerates, but engineering decides. Our agents work under a Harness that defines what they can and cannot do, with a human gate at every transition. The client never loses control of what goes to production.
Everyone promises to modernize with AI. We prove it lasts, with traceability, governance and a senior team that owns the outcome. That is our thesis: speed and control are not a choice.
An ecosystem of more than 15 companies built to last generations.
Our brands are organized into ecosystems with distinct histories of innovation and their own path to market leadership through different products.
