Home / Glossary / Quantitative risk management
IQRM Glossary · Quantitative risk management

Quantitative Risk Management (QRM)

Quantitative risk management (QRM) is the practice of managing project and business risk with numbers. Risks and uncertainties are measured, modelled with Monte Carlo simulation, and used to set budgets, commit dates, size contingency and choose between options. It replaces opinion-based risk ratings with defensible, risk-informed decisions.

Other meanings of QRM. In finance, quantitative risk management refers to market and credit risk measures such as Value at Risk. In pharmaceuticals, QRM usually means quality risk management (ICH Q9), and in manufacturing it can mean Quick Response Manufacturing. This entry covers QRM for capital projects.

What QRM covers on a capital project

  • Quantitative risk registers: risks written with a clear cause and effect, a probability and a cost or time range.
  • QSRA and QCRA: schedule and cost risk models that produce P50 and P80 figures.
  • Integrated analysis and JCL: the joint probability of meeting cost and schedule together.
  • Decision analysis: comparing options by their full range of outcomes, not just their base case.
  • Reporting: turning model outputs into decisions a board or sponsor can take.

How QRM changes decisions

DecisionWithout QRMWith QRM
Contingency10% by rule of thumbP80 minus base estimate, from the project's own risks
Completion dateThe P6 finish dateA P80 date with the schedule contingency it needs
Mitigation spendTop of the heat map firstRanked by weeks or dollars saved at P80
Option choiceLowest base cost winsBest risk-adjusted outcome wins

The skills behind it

QRM sits between planning, cost engineering and leadership. Practitioners need schedule logic and estimating knowledge, probability and distributions, tool skills in Safran Risk or Primavera Risk Analysis, and the ability to explain a model to people who will never open it. The Institute of Qualified Risk Managers (IQRM) trains and certifies practitioners in this discipline across the UK and GCC.

Common mistakes

  • Treating QRM as software training. The tool is the easy part; the inputs and the interpretation are where models fail.
  • Modelling after the decision is made. QRM adds most value at FEED, tender and sanction.
  • Reporting charts, not decisions. A board needs a recommended budget, date and action.

Related terms

Quantitative risk assessmentQSRAP80ContingencySafran RiskFull glossary
Go deeper
QRM Professional Programme: build and defend quantitative risk models

Frequently asked questions

What is quantitative risk management?
It is managing risk with measured numbers and models, so budgets, dates and contingency are set from the project's own risks rather than rules of thumb.
What does QRM stand for?
In project and capital risk, QRM stands for quantitative risk management. In pharmaceuticals it usually means quality risk management, and in manufacturing it can mean quick response manufacturing.
How do you become a quantitative risk manager?
Build a base in planning or cost engineering, learn probability and Monte Carlo simulation, get hands-on with Safran Risk or Primavera Risk Analysis, and practise on real project models.

Learn to build and defend these models

The QRM Professional Programme teaches QSRA, QCRA and Monte Carlo simulation on real project models in Safran Risk and Primavera Risk Analysis. CPD certified, UK and GCC.

Explore the QRM Professional ProgrammeNeed it done on a live project?
Created with