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Global enterprise teams connected across an international delivery network

About us

Thirty-eight years building systems that had to work

Founded in 1987, we are a global technology consulting and engineering firm with 7,400 people delivering enterprise programmes across 31 countries.

Quantum Horizons consultants collaborating on an enterprise architecture

We started as a small systems integration team building ledger software for regional banks. The work taught us something we still organise around: in enterprise technology, the hard part is rarely the code. It is sequencing change through an organisation that cannot stop operating while you work.

Today we run consulting, engineering, and managed service teams across eight offices. Our clients are institutions where downtime has consequences: central and retail banks, insurers, telecom operators, health systems, and government agencies.

We stay deliberately narrow on sectors and deliberately deep on engineering. That combination is why clients bring us the programmes they cannot afford to get wrong.

At a glance

Engineers and consultants
7,400+
Countries served
31
Enterprise clients
480+
Delivering at scale
38 yrs

Our commitments

How we hold ourselves accountable

Senior engineers reviewing operational data together

Engineering-led, not slide-led

Every engagement is staffed with people who build. Architecture decisions are written down, reviewed, and handed over.

Reversible increments

We sequence work so any release can be rolled back. Large programmes stay safe because each step is small.

Capability transfer by default

Your teams pair with ours from week one. Success is measured by what your organisation can run without us.

Regulated-environment fluency

Audit trails, evidence, and control design are part of delivery, not a retrofit before go-live.

Where we are

8 offices and delivery centres

Offices

0

Countries served

0

Delivery centres

0

Managed service coverage

0/7

  • Enterprise Delivery Partner of the YearGlobal Technology Awards, 2025
  • Top 25 Cloud Engineering FirmsModern Infrastructure Review, 2025
  • Best Data & AI ProgrammeFinancial Systems Awards, 2024
  • Accessibility ChampionPublic Service Digital Index, 2024
  • Great Place to Work CertifiedFour consecutive years
  • Security Operations ExcellenceCyber Resilience Forum, 2023
  • Enterprise Delivery Partner of the YearGlobal Technology Awards, 2025
  • Top 25 Cloud Engineering FirmsModern Infrastructure Review, 2025
  • Best Data & AI ProgrammeFinancial Systems Awards, 2024
  • Accessibility ChampionPublic Service Digital Index, 2024
  • Great Place to Work CertifiedFour consecutive years
  • Security Operations ExcellenceCyber Resilience Forum, 2023

Let's talk about the system you need to change

Tell us where the constraint is. We will bring the people who have solved it before.

Start a conversation