Paris · London · Brussels · Geneva

Your systems remember.
Make sure your people do.

We capture the business and technical knowledge hidden inside critical legacy systems — and turn it into a living asset your teams can understand, share and transform.

The code is still running.
The context is walking out the door.

Legacy isn’t old technology.
It’s critical knowledge
with no successor.

For decades, your experts have carried the “why” behind millions of lines of code. Legacore captures that intelligence while it is still available, connects it to the systems it explains, and makes it usable by the next generation.

One continuous
knowledge chain.

A practical method built for complex, regulated and business-critical environments.

01

Capture

We interview business and technical experts, recording the decisions, exceptions and context that documentation misses.

●
02

Connect

We link expert knowledge to code, applications, data flows and existing documents — creating a shared source of truth.

↔
03

Activate

Teams explore the knowledge through clear documentation, intelligent search and secure conversational access.

⌁
04

Transform

With the “why” made visible, you can transfer ownership, reduce operational risk and modernise with confidence.

From tribal
knowledge to
shared clarity.

Continuity

Knowledge survives retirement and role changes.

Critical context stays inside the organisation, accessible to the people who need it.

Control

Dependencies and business rules become visible.

Teams stop relying on assumptions and can assess impact before they change the system.

Momentum

Modernisation starts with understanding.

Projects move with a reliable map of what the system does, why it does it and what cannot break.

Technical depth meets business context.

LEGACORE / KNOWLEDGE MAP

01 SYSTEM       CUSTOMER-LEDGER

02 OWNER        FINANCE OPERATIONS

03 DEPENDS ON    DB2 / CICS / BATCH-017

04 BUSINESS RULE  SETTLEMENT DATE + 2

05 EXPLAINED BY   SENIOR SME / 28 YEARS

06 STATUS        KNOWLEDGE PRESERVED

Mainframe-native.
Human-centred.

We work where institutional memory, legacy architecture and operational risk meet. Our approach combines expert interviews, code analysis, knowledge engineering and secure AI.

COBOLJCLDB2CICSVSAMz/OSAI / NLP

Your critical knowledge has a future.

Let’s make it
accessible.

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