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Enterprise architects reviewing transformation programme deliverables
TOGAF® Certified · Vendor-Neutral

Enterprise Architecture & Digital Transformation

From enterprise architecture assessments to full-scale transformation programmes, Portamus delivers senior-led consulting across 23 specialised service areas — all grounded in proven methodologies.

23
Specialised Services
5
Service Domains
TOGAF®
Certified Delivery
Senior Only
No Junior Consultants
Is This Your Situation?

We're the Right Partner If You...

Most clients come to us with a challenge, not a service name in mind. Recognise yours below.

Need to align IT with business strategy

Your IT investments don't visibly support organisational goals and leadership can't see the value.

Have a stalled transformation programme

A digital transformation initiative has lost momentum, is over budget, or lacks architecture governance.

Are trapped by legacy system complexity

Outdated architectures prevent modernisation and create mounting technical and integration debt.

Need to standardise processes organisation-wide

Inconsistent, undocumented processes cause inefficiency, errors, and dependency on key individuals.

Are planning or recovering a cloud migration

A cloud migration strategy is missing or a previous attempt created new operational complexity.

Need objective vendor or technology selection support

You need independent advice on ERP, cloud, or platform choices free from vendor influence.

Services by Domain

Every Engagement We Offer

Organised the way our consultants think about the problem — not the way a sales deck would.

Application Portfolio Management

Architecture Consulting

Rationalise your application portfolio — identify redundancies, end-of-life systems, and consolidation opportunities to reduce total cost of ownership.

Assessment & Programme 4–10 Weeks
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Enterprise Architecture Design

Architecture Consulting

Design of target enterprise architecture — business, application, data, and technology layers — aligned with your strategic direction and transformation programme.

Programme 8–20 Weeks
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Solution Architecture Review

Architecture Consulting

Independent review of proposed solution architectures — design quality, alignment with EA principles, integration fit, and implementation risk.

Fixed-Scope Review 1–2 Weeks
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Enterprise Architecture Assessment

Architecture Consulting

Comprehensive assessment of your IT landscape, architecture gaps, and strategic alignment — the foundation for any transformation programme.

Fixed-Scope Assessment 2–4 Weeks
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Business-IT Risk Analysis

Architecture Consulting

Structured analysis of your IT risk landscape — identifying architecture risks, business-IT misalignment, and technology dependencies that represent material risk to your strategic objectives.

Fixed-Scope Assessment 2-4 Weeks
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Architecture Maturity Assessment

Architecture Consulting

Evaluation of your enterprise architecture function's maturity against industry benchmarks — identifying capability gaps, governance weaknesses, and a structured path to a higher-performing EA practice.

Fixed-Scope Assessment 2-3 Weeks
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IT Landscape Analysis

Architecture Consulting

Comprehensive inventory and analysis of your IT landscape — applications, infrastructure, integrations, and technical debt — providing the factual foundation for architecture decisions and investment planning.

Fixed-Scope Assessment 2-6 Weeks
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EA Program Development

Architecture Consulting

End-to-end development of an enterprise architecture function — team structure, tooling selection, governance framework, methodology adoption, and a phased operating model — built to deliver sustainable architectural value.

Project-Based 12-24 Weeks
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Engagement Models

How We Work With You

Every service can be delivered through whichever model fits your situation and budget cycle — pick a point on the timeline below.

1

Assessment

Defined-scope architecture or process assessments with clear deliverables and a fixed timeline. Ideal for gaining baseline visibility or validating a specific hypothesis.

  • Clear scope and fixed deliverables
  • Defined timeline and budget
Fixed Scope
2

Programme

End-to-end consulting programmes covering design, implementation support, and governance across multi-month transformation initiatives.

  • End-to-end design through implementation
  • Architecture governance throughout
Multi-Month
3

Ongoing Advisory

Ongoing senior advisory — vCIO (virtual CIO), EA governance, or BPM oversight — providing strategic IT leadership as a continuous service.

  • Same senior consultant throughout
  • Predictable ongoing engagement
Ongoing
Why Clients Choose Us

What's Different About Working With Portamus

TOGAF® Certified Senior Architects
Vendor-Neutral Advice
HSG Academic Rigour
Measurable Outcomes
International Expertise