Independent Advisory & Consulting Practice

Atrium
Consultancy Group

Transforming organisations. Shaping strategy. Developing leaders.

01
Change & Transformation
Making change stick, not just happen. Operating model design, change strategy, AI adoption, culture and ways-of-working shift.
02
Strategic Advisory
Independent judgement when it matters. Programme review, business cases, governance, portfolio strategy, critical friend.
03
Leadership Development
Building the leaders transformation requires. Coaching, competency frameworks, team effectiveness — always contextualised.
04
Project & Programme Management
Senior delivery leadership for complex, high-stakes programmes in infrastructure, capital investment and multi-partner environments.
About Atrium

Delivery-grounded.
Genuinely independent.

Atrium Consultancy Group is an independent advisory, consulting and delivery practice working across four interconnected disciplines — Change & Transformation, Strategic Advisory, Leadership Development, and Project & Programme Management. We bring senior-level expertise to organisations navigating complex and high-stakes challenges.

This is not a generalist consultancy. Every engagement is bespoke — built around the client’s specific context, culture and maturity, not adapted from a standard model. Our practice draws on 20+ years of delivery across central government, rail and infrastructure, nuclear, healthcare, and local government — working client-side, within Tier 1 consultancies, and across Joint Ventures at programme scale.

The value Atrium brings is not theoretical: it is built from having done the work.

Senior resource, applied directly
Every Atrium engagement is led by senior practitioners. No junior resource applied to senior problems. The expertise you commission is the expertise you receive.
Bespoke by design
Every engagement starts with understanding the specific context, culture and maturity before designing the approach.
Delivery-grounded advisory
The advice comes from having done the work — at scale, under pressure, where failure had real consequences. That changes the quality of the challenge.
Genuinely independent
No firm to protect. No methodology to sell. The advice is honest — which senior clients notice and value.
Strategy and change management workshop
Change & Transformation
Senior leadership advisory meeting
Strategic Advisory
Major programme infrastructure delivery
Programme Delivery
Leadership development and coaching
Leadership Development
Services

Four disciplines.
One integrated practice.

The four service lines are deliberately connected. Strategy without change leadership fails to embed. Change without delivery capability stays theoretical. And both depend on leaders who are equipped to sustain them. Atrium brings all four disciplines to bear — applied with precision to the problem at hand.

01
Change &
Transformation
Organisational change designed and led from the inside — built around the client’s specific context, maturity and culture.
  • Target Operating Model design and implementation
  • Change strategy and roadmap development
  • Stakeholder engagement and facilitation
  • AI adoption as an integrated change workstream
  • Culture and ways-of-working shift
  • Workforce planning and transition management
  • P3M3 maturity assessment and improvement
02
Strategic
Advisory
Senior independent advisory to executive teams, boards and programme leadership — bringing external perspective and the experience to know what good looks like.
  • Independent programme review and challenge
  • Business case development (5 Case Model)
  • Governance framework design and assurance
  • Portfolio prioritisation and investment strategy
  • Critical friend to SRO, Programme Director or CEO
  • Regeneration and place-based strategy
  • Feasibility study and options appraisal
03
Leadership
Development
Leadership capability is consistently the difference between transformation that embeds and transformation that fades. Always contextualised within the programme.
  • Executive and senior leadership coaching
  • Leadership capability assessment and planning
  • Competency framework design and implementation
  • Team effectiveness within change programmes
  • Workshop design and facilitation
  • Leadership alignment and sense-making
04
Project & Programme
Management
Senior delivery leadership for complex, high-stakes programmes — from feasibility through to handover. Infrastructure, capital investment and multi-partner environments.
  • Programme Director and SRO-level delivery leadership
  • Multi-site CAPEX programme management
  • Infrastructure and rail programme delivery
  • Joint Venture and multi-partner integration
  • Commercial and contract oversight
  • Risk, schedule and performance controls
  • PMO establishment and portfolio governance
Selected evidence

Proven at scale.
Across complex environments.

A selection of commissions from 20+ years of senior delivery across government, infrastructure, and regulated industries. Specific client references available on request.

Rail & Infrastructure — International
Major Rail Expansion — Change & Capability Leader
High Performance and Change Leader on a multi-billion-dollar live rail Joint Venture. Directed change managers across 2,000+ personnel spanning commercial, engineering, construction and AI functions. Reached stretch KPI — increasing target income by 100%.
Central Government
Major HQ Transformation — 6,000+ Staff
Transformation lead for co-location and operating model restructure in a live, secure government environment. Delivered £24m in annual savings through structural and operational change.
National Infrastructure — £8bn Programme
Strategic Integration Study — People & Place
Executive Team Lead for a people and place study engaging 82 individuals across 62 organisations. Recommendations presented to Government and Growth Board stakeholders at national level.
Local Government
Capital Programme — Target Operating Model
Strategic Change Lead for TOModel design — governance, roles, procedures and implementation plan. Achieved c.30% cost savings in capital programme delivery.
Nuclear & Energy — Public Research
National Research Programme — Feasibility & Strategy
Led feasibility study and site options appraisal for major new national research facilities. Enabling strategy and capital delivery roadmap developed from Heads of Department to CEO level.
Central Government — Multi-Site
£22m CAPEX Programme — 16 Operational Sites
Change Director for construction and relocation programme across 16 live operational sites. Delivered on time and within budget, managing complex stakeholder and commercial environment throughout.
Our approach
Strategy without change leadership fails to embed. Change without delivery capability stays theoretical. Atrium brings both.
Sectors & Engagement

Deep sector
experience.

Direct delivery experience across the UK’s most demanding programme environments — and internationally.

Central Government
Rail & Infrastructure
Nuclear & Energy
Local Government
Healthcare
Higher Education
Regeneration & Place
Private Sector
How we work

Atrium engagements are structured to suit the nature of the work. There is no standard model — each commission is scoped to fit.

About the founder

Anne
Michaels

Founder & Managing Director

We work with organisations navigating change — where the stakes are high, the politics are real, and what is needed is someone who has the experience and expertise.

Anne Michaels is a senior change and transformation leader with 20+ years of delivery across central government, rail and infrastructure, nuclear, healthcare, and local government. She has worked client-side, within Tier 1 consultancies, and across Joint Ventures at programme scale — and founded Atrium to bring that depth of experience directly to the organisations that need it most.

MSc Management Consultancy & Organisational Change Postgraduate academic grounding in change, consultancy practice and organisational theory
APMG Change Management Practitioner Formal practitioner-level qualification in change management methodology and practice
PMQ — Association for Project Management Professional qualification in project and programme management
20+
Years senior delivery
£8bn+
Programme scale
4
Service disciplines
Get in touch

Open to
conversations.

If your organisation is navigating something difficult — a transformation that has stalled, a programme that needs strategic challenge, a leadership team navigating significant change, or a major programme that needs senior delivery leadership — we’d welcome a conversation.

Email anne@atriumcg.co.uk
LinkedIn linkedin.com/in/annemichaels1
Based UK — available nationally and internationally
Embedded change & transformation leadership
Full or part-time senior presence within complex transformation or delivery programmes.
Strategic review & advisory commissions
Independent challenge, governance review, business case development, or operating model design.
Programme delivery leadership
Senior Programme Director or SRO-level leadership for high-stakes delivery environments.
Advisory retainer & critical friend
Ongoing independent perspective for executive teams and senior leaders navigating sustained change.