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An empty room with tall windows, daylight drawing itself across the wood and concrete floor.

About

Aetheris comes from Aether: the ethereal.

Aetheris stands for ownership over what does not yet have form. Making the abstract concrete. Making the complex understandable.

Turning information into knowledge, knowledge into decisions and decisions into action.

It is the whole sequence that interests us. Information nobody reads, knowledge nobody uses, decisions that never happen: stopping at any one step is leaving the work unfinished.

Two perspectives. One purpose.

Helder Duarte Costa

CEO · Strategy and Innovation

Imagine. Question. Structure.

Looks at organisations for what they could still become. Works at the moment when the problem has no name yet and the solution has no shape, and that is where he opens up possibilities that were not in the original request.

Joana Duarte Costa

COO · Management and Quality

Organise. Build. Deliver.

Turns intention into working reality. Builds the structure, the rigour and the cadence that let an idea survive contact with a real operation and reach the end.

An idea needs both.

Most ideas die in one of two places: in the lack of imagination to conceive them, or in the lack of discipline to deliver them.

Different contexts. The same purpose.

The reception of a professional services office, with a wooden counter and the meeting room visible through the glass.A hotel lobby with no guests, with a slatted wood ceiling, concrete columns and sand-toned sofas.An empty boardroom, with a long table, chairs down both sides and windows over the city.
  • Professional Services

    Active involvement in the management and transformation of a professional services group.

    Strategy · Organisation · Funding · Innovation

  • Hospitality

    End-to-end involvement in a growing business, connecting strategy and execution.

    Operations · Teams · Processes · Client experience

  • Corporate Shareholding

    Management support, following the investment and the creation and protection of value.

    Strategy · Performance · Governance · Risk

Who we work with

  • Management teams

    People who have to decide on incomplete information and little time.

  • Shareholders and investors

    People who need to understand, protect and grow the value of a holding.

  • Organisations exploring AI and technology

    People who want to know where technology adds value, and where it does not.

  • Specialist partners

    People who value the bridge between business, management, client and technology.

More than 40 years of combined experience observing, understanding and transforming organisations.

  • Financial Audit
  • Telecommunications
  • Private Equity
  • Professional Services
  • Hospitality
  • Entrepreneurship

What does not yet exist, and should?

Perhaps we can think it through together.

An office window over Lisbon at dusk, with the bridge and an orange sky.