Transformation Consultancy

Organizations are living systems.
We help them evolve.

noise.os is the operating system for adaptive, human, resilient organizations.

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Built on the belief that trust is the foundation of transformation

One Simple Trust was founded to bridge the gap between how organizations are structured and how work actually happens. We partner with leaders and enterprises navigating the complexity of modern business — not with pre-built frameworks, but with the capacity to see the system and evolve it from within.

Our consultancy practice has produced noise.os — an operating system for organizations that recognize themselves as complex adaptive systems. It connects what they know (data) with how they think (mental models) and what they feel (tensions) — and then gives them the means to experiment, learn, and evolve.

EA

Eduardo Arcirio

Founding Partner

PL

Patrícia Leite

Partner

Where we've activated transformation

Real organizations, real complexity, real evolution.

2020–Present Consultancy Portugal & Brazil

One Simple Trust — Founder & Systemic Change Facilitator

Founded a transformation consultancy at the intersection of complexity science, organizational design, and technology. Building noise.os — the operating system for adaptive organizations — while delivering consulting engagements that generate real organizational intelligence.

2024–2025 Consultancy Portugal

GALP — Organisation Development Consultant

Building internal capability of organizational development (ways of working, org design, artefacts, team development). Applied to 5 business units value chains.

2023–2024 Media Sweden

Spotify — Strategy & Operations Manager

Strategy & operations leadership. Platform ways of working.

2020–2024 Finance Portugal

novobanco — Digital Transformation and Business Agility Consultant

Developing the operating system for all digital transformation teams (ways of working, org design, cadences, metrics, business model). Kanban for value stream flow management and network science for value chain discovery.

2018–2023 eCommerce Portugal

Farfetch — Agility & Product Operations

Leading product operations teams. Business Transformation. Business Agility leadership.

2019–2020 Consultancy Global

NTTData — Organisation Development

Leading software development teams supporting several customers in Portugal and Europe. Leading the Agile practice @ the High Performance Center.

2015–2019 Consultancy Global

Capgemini — Business Units Lead Controller

Units and projects financial feasibility modelling. Governance and compliance frameworks. Finance simulation and transformation.

2011–2014 Government & Diplomacy Brazil & UK

British Foreign and Commonwealth Office — Director for Corporate Services

Support functions coordination. Organizational transformation.

2010–2011 Technology Brazil

Search Technology — Corporate Strategy Director

Strategy management. Research & development pipelines for innovation.

1997–2011 Technology Brazil

Politec — Strategic Stewardship

Corporate strategy management. Business Controlling. Strategy to Operations coordination. Asset management. M&A.

You feel it. Now see it.

Leaders know intuitively that their organizations are more complex than their tools can handle. That feeling is real — and it has a shape.

01
"Why does every change program produce the opposite of what we intended?"

The Paradox of Control

You have more data than ever, but less understanding. More tools, but less visibility into how your organization actually behaves. The problem isn't effort — it's that you're using linear tools in a non-linear system.

02
"We restructured twice this year. Why isn't anything different?"

The Invisible Architecture

Org charts show boxes and lines. They don't show the mental models that drive decisions, the informal networks that carry influence, or the tensions that silently shape every initiative. You're redesigning the map while the territory shifts beneath you.

03
"How do I make better decisions when I can't see the system?"

The Leadership Blind Spot

You're confident in some areas, uncertain in others. But confidence and competence don't always align. The gap between what you think you know and what the system reveals is where the highest leverage hides.

noise.os

The operating system for
adaptive organizations

Not a single tool but a chain of interactions — seven integrated layers that connect, interpret, simulate, and learn from the living data of your organization.

Three layers that reveal
structural levers for change

Every tool on the market helps organizations do things to themselves. We help organizations see themselves — through three interconnected layers that make structural leverage visible.

Layer 01 — Meaning

The Business Model

How people think the organization works. The beliefs, assumptions, and narratives that drive decisions — often invisible, frequently misaligned.

  • Surfaced & computed beliefs
  • Consensus & divergence maps
  • Cultural signals & patterns
  • Implicit assumptions
  • Perception gaps
Layer 02 — Means

The Business Architecture

How the organization is built — and how it actually operates. Beyond the formal chart: the informal relationships, power dynamics, influence networks, and unwritten rules that truly shape how decisions are made and work gets done.

  • Organizational units & teams
  • Informal networks & influence flows
  • Power dynamics & decision patterns
  • Value streams & processes
  • Capabilities, governance & technology
Layer 03 — Tension

The Tensions Map

Where meaning and means collide. The friction, misalignments, and feedback loops that shape organizational behavior — mapped as causal systems.

  • Reinforcing spirals
  • Balancing constraints
  • Systemic archetypes
  • Leverage points
  • Health scores per lever

"The connection between these three layers is where the structural levers for effective change become visible."

This is what we deliver: not a PowerPoint, not a framework — the capacity to see and act on the systemic forces shaping your organization.

Where are you in your journey?

Every transformation starts differently. Tell us where you stand — we'll meet you there.