MAINFRAME MODERNISATION

Unlock the value of your
mainframe estate

Mainframes remain central to many of the world’s most important organisations, but rising costs, specialist skills shortages and ageing technology can restrict innovation and increase operational risk.
MooodyCow helps organisations assess, modernise, optimise and migrate complex mainframe environments.
We combine independent advisory, experienced programme leadership, specialist technical resources and modernisation technology to help customers make informed decisions and deliver change with confidence.
1000+
Specialist technology resources available on demand through FlexForce
7
Continents covered by our global specialist network
Multi-vendor
Deep specialism across IBM, BMC, Broadcom and the wider mainframe ISV ecosystem

Unlike traditional consultancies, MooodyCow remains engaged beyond strategy, providing hands-on programme oversight and stakeholder alignment to ensure transformation initiatives are delivered successfully and adopted across the business.

Mainframe Expertise When and Where It Matters

MooodyCow supports organisations across the full mainframe lifecycle, from targeted technical interventions to complex transformation programmes.

Strategy & Planning
Mainframe strategy and modernisation roadmaps
Estate assessments and business cases
Modernisation & Migration
Legacy application modernisation
Data migration and transformation
Hardware and infrastructure migration
ISV product migration and exit
Integration & Optimisation
Mainframe-to-cloud integration
API enablement
Performance optimisation
Operational support and managed services
We work across IBM, BMC, Broadcom and the wider mainframe software ecosystem, allowing recommendations to be based on customer requirements rather than a single vendor relationship.

Our Approach

01
Assess

We map the estate, applications, data, tooling, dependencies, costs and risks to establish a clear understanding of the current environment.

02
Plan

We identify the right path for each workload: retain, optimise, integrate, modernise, migrate or retire.

The resulting roadmap reflects business priorities, technical complexity, commercial constraints and delivery capacity.

03
Deliver

MooodyCow provides the programme leadership, technical specialists and partner capability required to execute the agreed plan.

Where appropriate, Harmoniix™ can support discovery, data preparation, migration and validation activities.

04
Optimise

We help stabilise and improve the resulting environment, transfer knowledge and create a stronger foundation for future cloud, analytics and automation initiatives.

Deep, specialist coverage across the mainframe stack

IBM z/OS DB2 Broadcom (Endevor, CA-7, Top Secret) PillBMC (AMI, Control-M, MainView) Mainframe Networking Security (RACF, Top Secret, ACF2) Hardware & Infrastructure Systems Programming Automation & Operations ISV Products & Tooling Legacy Application Modernisation Mainframe-to-Cloud Integration Data Migration & Transformation

By combining specialist expertise with modernisation platforms such as Harmoniix™, MooodyCow helps organisations reduce migration risk, accelerate transformation programmes, and create a foundation for cloud, analytics, and AI-driven innovation.

Why MooodyCow?

Independent Multi-Vendor Perspective

We work across the wider mainframe ecosystem and help customers select an approach based on technical, operational and commercial priorities.

Deep Specialist Expertise

Through FlexForce, customers gain access to experienced mainframe professionals across infrastructure, applications, data, security, operations and vendor tooling.

Advisory Connected to Delivery

We remain involved beyond strategy, helping customers mobilise specialists, govern delivery and maintain momentum through execution.

Flexible Engagement Models

Support can range from a single specialist or assessment through to programme leadership and multidisciplinary delivery teams.

MooodyCow’s mainframe specialists work across the full vendor landscape — IBM, BMC, Broadcom and the wider ISV ecosystem — so modernisation decisions are driven by what is right for the estate, not by a single vendor relationship.

Outcome:Transform operating models, accelerate technology delivery, and maximise the value realised from technology investments.

Modernise with Confidence

Every mainframe estate is different.

The right strategy may involve modernising some workloads, integrating others, optimising the existing platform or selectively migrating applications, data and tooling.

MooodyCow helps organisations make those decisions based on evidence and then provides the specialist capability required to deliver them.

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Data & Integration

Data & Integration

Unlock the full potential of your data, applications and technology investments. MooodyCow modernises and integrates complex landscapes so information flows seamlessly across systems and processes, turning fragmented data into trusted, actionable intelligence ready for analytics and AI.

Harmoniix™

Harmoniix™

MooodyCow's enterprise modernisation platform, replacing legacy migration approaches with one intelligent, automated system. Automated discovery, real-time synchronisation and built-in validation cut migration timelines by up to 80% with zero downtime, while an AI-ready data fabric leaves clean, governed data behind.

Flexforce

Flexforce

The delivery engine behind every successful programme. FlexForce embeds the precise expertise a programme needs — matched by skill, language and security clearance, governed to deliver, and mobilised within weeks. Capacity expands when demand peaks and contracts when it eases, without the weight of permanent headcount.

People, Partnerships, and Passion.

The foundation of everything we do.