Keep the legacy

Modernise the core

Your permissions stay the same. The technology underneath doesn't. Migrate one module at a time, on your timeline.

The problem

Your licence isn't the bottleneck. Your stack is

The systems that got you live are now slowing you down. New products take longer, costs keep rising, and replacing the stack feels riskier than keeping it.

Core sample · live97%

ARCHIVE-37Liability

▲ Surface

2022

2018

2010

2003

1995

1987Bedrock

▼ Bedrock

SpecimenARCH-37

6 layers

Depth probe · change request

One change · six layers to traverse

Layers to traverse6

Avg deploy time142 d

Code reviews11

Rollback riskHigh

Every change must traverse all six layers — from the mobile UI down to the COBOL core. Every edit triggers code reviews, regressions, and sign-offs.

The model

Migrate the core. Keep everything else

Montis replaces the core on your timeline. Modular, migration-led, and built to run alongside existing systems. Your licence, customers, and brand stay exactly where they are. Run old and new in parallel until you're ready to cut over.

Parallel cutover · live

ConnectStage 01 / 04

Migration phases

Your charterRegulator never moves · stays across all stagesConstant

Legacy core

Montis modules

LDGCore ledger

Core ledgerLDG

PAYPayments

Payments · pendingPAY

CRDCards

Cards · pendingCRD

FXFX & treasury

FX & treasury · pendingFX

RPTReporting

Reporting · pendingRPT

Your customersDon’t notice · no migration weekendConstant

Cutover progress · Connect5%

Montis plugged in alongside legacy

WitnessedOps · M.K.Aud · S.L.

REV-001T+07d

What you run

A modern system beneath your institution

→ confirmed in 187ms
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