Welcome to PSEA
Leaders in Public Sector Enterprise Architecture
PSEA can help you realise your vision by driving innovation, informing strategy, and governing the evolution of your architecture.
We specialise in helping public sector organisations transform with confidence - linking strategy to roadmaps, turning ideas into action, and governing complex change.
PSEA specialise in helping public sector organisations move from complex ambition to confident, controlled delivery. We bring together innovation, strategy, and governance to help you deliver better outcomes for the people you serve.
At PSEA we will help turn your ideas into reality. Our deep enterprise architecture expertise has been built through years of hands-on experience in UK government and consultancy roles across the public sector.
We love what we do. At PSEA, we pride ourselves not only on the professional services and thought leadership we bring to every engagement, but also on the community we help foster. Alongside client delivery, we regularly host events and publish insights to help drive innovation and share best practice across government.
Let’s start designing the future of public sector enterprise architecture together.
Get in touchThe PSEA Approach
At PSEA, we help public sector organisations move from ambition to action through a proven and adaptable enterprise architecture engagement model. Using trusted frameworks such as TOGAF, DMBOK, MSP and Lean Six Sigma, we support you in defining a clear future vision - one that aligns strategy, anticipates disruption, and identifies the capabilities needed for long-term success.
Our engagements often begins by working with clients to shape a compelling future-state architecture grounded in their strategic goals. This work is underpinned by an assessment of current environment to surface opportunities, constraints, and risks. With this insight, we work with clients to develop a practical, phased roadmap that closes the gap between where they are today and where they need to be.
We pride ourselves on being flexible and responsive, adapting our methods, tools, and level of support to suit each client’s needs. Whether you require a one-off focus activity, a repeat set of engagements, or ongoing Architecture-as-a-Service (AaaS), we tailor our involvement to match your pace, maturity, and priorities.
By taking a holistic view of your organisation - spanning business, data, and technology - we ensure your transformation is sustainable, scalable, and fully aligned with your mission.
Innovation
- Technology Horizon Scanning
- AI, Data, Automation Oportunities
- Innovation Labs & Workshops
- Emerging Technology Assessment
- Early Business Case Development
Strategy
- Strategy Development & Engagement
- Capability-Led Transformation
- Portfolio Planning & Roadmaps
- Enterprise Modelling & Change Management
- Process Design & Optimisation
Governance
- Operating Models & Team Formation
- Design Assurance & Review
- Architecture Boards & Approvals
- Programme Health Checks & Recovery
- Architecture as a Service (AaaS)
PSEA offers a clear alternative to legacy, monolithic consultancies. We take a bespoke, pragmatic approach, working as trusted partners embedded in your transformation journey and focused on the unique needs of the public sector.
We collaborate closely with your Leadership Team, Executive Sponsor or SRO - joining the core transformation team to understand priorities, clarify drivers for change, and ensure decisions are grounded in real organisational needs.
Our flexible, virtual EA model adapts to you. Whether it’s a one-off focus, repeat engagements, or ongoing Architecture-as-a-Service (AaaS), we complement your in-house teams and scale our involvement to match your pace and objectives.
Services PSEA Offer
Driving Innovation to Deliver Real Value
We help organisations look ahead with confidence - scanning the horizon, exploring emerging technologies, and shaping digital innovation into practical, actionable roadmaps.
By bridging strategy and execution, we design intuitive enterprise models that align your mission, priorities, and operational goals. PSEA will work with you to define future-state architectures, business capabilities, and technology roadmaps that provide clarity, focus, and measurable direction.
- Horizon scanning & opportunity identification
- Design labs & innovation workshops
- Emerging technology & opportunity assessment
- Roadmap development & prioritisation
Turning Strategy Into Action
We partner with you to shape clear, actionable strategies that align with your vision and guide delivery at pace.
Transformation is complex, but with the right approach, it becomes a powerful opportunity. We enable structured and agile enterprise transformation, balancing risk, innovation, and stakeholder engagement to maximise impact, efficiency, and measurable outcomes.
- Strategy development & execution
- Enterprise modelling & transformation
- Service design & process optimisation
- Portfolio planning & program delivery
Appropriate Governance for Change
We help you establish the right architecture governance to guide programmes, de-risk decisions, and keep transformation on track—delivering sustainable change with confidence.
Good architecture underpins long-term resilience. We provide governance frameworks, design assurance, compliance support, and flexible architecture services that help organisations maintain adaptability, security, and operational excellence.
- Architecture Boards & governance frameworks
- Design reviews & architectural approvals
- Programme health checks & correct planning
- Compliance, audit, and regulatory alignment
- Architecture-as-a-Service (AaaS)
Why Choose PSEA
Public Sector Expertise
PSEA have deep experience across government departments and councils.
Bespoke, Pragmatic Approach
PSEA offer flexible engagement options to fit your organisation’s needs and pace.
From Strategy to Delivery
PSEA will turn your ambition into actionable roadmaps and measurable outcomes.
Trusted Partner
PSEA can work alongside your teams, adding capability without dependency.
Sustainable Transformation
PSEA have a holistic focus on business, data, and technology for long-term impact.
Innovation-Focused
PSEA harness emerging technologies and new approaches to drive real value.
PSEA Case Studies
These recent case studies illustrate how we help public sector organisations turn strategy into real results. These stories provide a few examples of not just what we do, but the value we create - helping clients navigate complexity, improve capability, and deliver transformation that lasts.
EA Team Formation
PSEA recently worked with a client to stand up a new EA function, establishing the operating model for the team, and defining the service, processes and governance.
Data Strategy & BI Tooling
PSEA worked with a client to co-author their Data Strategy, and subsequently advised upon the redesign of the client's corporate analytics estate.
EA Tooling Implementation
PSEA has supported several mayor clients with the procurement and sucessfully implementation of new EA tooling (Abacus and Ardoq) to help mature their EA practises.
Architectural Healthcheck
PSEA performed an EA Healthckeck for a client, the findings of which, helped to inform a subsequent engagement to oversee a programme recovery to address the architectural risks and issues identified.
Get in touch...
Ready to start transforming your department or council's technological landscape? Take the first step towards informed decision-making, enhanced efficiency and optimised project delivery. Contact us today to discover how the PSEA Team can drive meaningful transformation, tailored to you.