ICEAA is the International Cost Estimating and Analysis Association which was formed by the merger of SCEA and ISPA. ICEAA is an international non-profit organization dedicated to advancing, encouraging, promoting and enhancing the profession of cost estimating and analysis, through the use of parametrics and other data-driven techniques.

APM is the Association for Project Management which is committed to developing and promoting project and programme management.

PMI is the Project Management Institute which is the world’s largest not-for-profit membership association for the project management profession.

ICCPM is the International Centre for Complex Project Management which is a not-for-profit organisation developing research and delivering education and support services to businesses and government.

Treasury Green Book is the HM Treasury guidance for public sector bodies on how to appraise proposals before committing funds to a policy, programme or project.

Green Book Supplementary Guidance on Optimism Bias Supplementary guidance to the Treasury Green Book on estimates for a project's costs, benefits and duration in the absence of robust primary evidence.

JSP 507 JSP 507 is the MOD’s guide to Investment Appraisal and Project Evaluation providing detailed policy, advice and guidance on the application.

NAO The National Audit Office (NAO) scrutinises public spending on behalf of Parliament.

Cabinet Office supports the Prime Minister and Deputy Prime Minister, and ensures the effective running of government. They are also the corporate headquarters for government, in partnership with HM Treasury, and take the lead in certain critical policy areas.

NASA is a site with many links and is the base for the Parametric Cost Handbook.

Software Engineering Institute is a good point of contact for a wealth of information on software issues.

ISBSG is the International Software Benchmarking Standards Group which is a not-for-profit organisation that established and now grows, maintains and exploits two repositories of IT history data (software metrics) to help improve the management of IT globally.

European Aerospace Cost Engineering (EACE) Working Group LinkedIn Group

The Single Source Regulations Office (SSRO) are an independent regulator of non-competitive defence contracts. Their principal statutory aims are to ensure that good value for money is obtained for the UK taxpayer in expenditure on qualifying defence contracts, and that single source suppliers are paid a fair and reasonable price under those contracts.

ACostE represents the professional interests of those with responsibility, at all levels, for the prediction, planning and control of resources and cost for activities that involve engineering, manufacturing, and construction.