PiR2-ITService • Enterprise & Solution Architecture
Enterprise & Solution Architecture hero
Service

Enterprise & Solution Architecture

Enterprise architecture consulting, solution architecture reviews and executable roadmaps for complex digital platforms.

Overview

PiR2-IT helps organisations shape, challenge and de-risk enterprise and solution architecture for high-value programmes where integration, resilience, governance and delivery discipline matter.
Category: Core service
Type: Advisory, architecture review and delivery shaping
Best fit: Banking, defence, public sector, critical infrastructure and transformation programmes
Outputs: Reference architectures, option papers, review packs, integration maps and roadmap decisions

What clients usually need. They need an architecture that is not only technically credible, but also deployable under real budget, vendor, governance and operational constraints.

What this service solves. It addresses fragmented solution landscapes, weak integration choices, unclear target states, over-customised platforms, architecture debt and programmes that are moving faster than their design governance.

What you get. You get a sharper target-state view, clearer decision rationale, better design trade-offs and architecture artefacts that delivery teams, PMOs, security functions and executives can all work with.

Good fit for: organisations that need clearer structure, stronger control and more credible decisions before execution risk compounds.

What this architecture service covers

The service is designed for organisations that need more than generic architecture diagrams. It focuses on architecture decisions that affect implementation speed, delivery risk, resilience, maintainability and long-term control.

Architecture strategy & target state

Define target-state architecture, transition options, capability maps and practical decision points for transformation programmes.

Solution architecture & integration

Design solution boundaries, data flows, platform interactions, API and event patterns, trust zones and deployment-aware integration structures.

Independent architecture review

Provide second-opinion reviews, challenge vendor assumptions, identify architecture debt and test whether proposed designs are realistic.

Delivery alignment

Connect architecture with programme governance, sequencing, implementation constraints, cost logic and operational ownership.

Methods, frameworks and working approach

  • TOGAF, ArchiMate and structured capability modelling
  • Cloud and hybrid platform architecture patterns
  • API-first, event-driven and modular integration approaches
  • Architecture review boards, design governance and traceable decision logs
  • Roadmap shaping for phased transformation and controlled modernisation

Typical assignments

Architecture baseline reviews, target operating model design, banking platform integration, public service modernisation, cloud transition shaping, vendor challenge sessions and architecture packs for regulated programmes.

Where this service creates value

This service is most useful when programmes are large enough that bad architecture decisions become expensive very quickly. It helps leaders make earlier, better choices on structure, dependencies, control points and delivery options.

Strategy to delivery
Integration clarity
Review discipline
Decision traceability
Transformation control

Related services and sectors

Enterprise architecture consulting: common questions

What is the difference between enterprise architecture and solution architecture here?

Enterprise architecture frames target state, capability structure and transformation logic; solution architecture goes deeper into specific platforms, integration patterns and delivery decisions.

When should a client ask for an independent architecture review?

When proposed designs are expensive, politically sensitive, over-customised or already showing signs of delivery stress.

Do you work with existing vendor proposals?

Yes. Challenging, refining or validating vendor-led designs is one of the most practical use cases for this service.

What usually comes after the review?

A clearer target state, architecture decision pack, roadmap options and often connected governance or cyber work.