Unraveling Complex Construction
Project Delays Around the World

Founded and led by Marianne C. Ramey, PAI has established a strong reputation in the field of international arbitration. PAI's reputation is built on its ability to provide thorough, unbiased, and comprehensive analyses that assist tribunals in navigating complex delay issues on construction disputes. PAI specialises in providing independent expert services for programming, critical path method scheduling, project controls, and resolution of disputes. PAI is led by experts in engineering, construction and project management who are backed by a team of professionals with technical expertise in engineering and project controls.

In 2025, PAI marks 25 years of providing independent delay analysis on projects worldwide

Expert Delay/Disruption Analysis
We excel in delivering expert analysis for complex project delays. Our team's extensive collaborative experience and dedication to credible, accurate results sets us apart. We utilise tailored techniques and a rigorous fact-based approach to determine the causes and timing of project delays and disruption to its execution. Each assignment is led by an expert who actively participates in every step, ensuring a cohesive and comprehensive analysis.
Analytic Rigour
Since its founding in 2000, PAI has established itself as a trusted provider of independent and objective expert analysis in scheduling, delay, acceleration, and disruption. Our work supports the resolution of construction disputes by identifying the causes and impacts of time-related issues with clarity and precision. According to a recent King's College London survey, 85% of construction disputes concern delay, which highlights the importance of specialised forensic analysis in resolving construction disputes.


Practical and Tested Experience
Since its founding in 2000, PAI has established itself as a trusted provider of independent and objective expert analysis in scheduling, delay, acceleration, and disruption. Our work supports international construction projects by identifying the causes and impacts of time-related issues with clarity and precision. According to a recent King’s College London survey, 85% of dispute board referrals involve delays, highlighting the importance of specialized forensic analysis in resolving construction disputes.

Principal Experts

Marianne C Ramey

Mauricio Carrasco

Andrew Parry

Why Use Us?

Global Experience
With 25 years of experience, we have built a proven track record analysing delay and disruption on large-scale projects. Our expertise extends across a broad spectrum of construction types—including buildings, infrastructure, industrial facilities, oil and gas, and power and utility projects—each involving multiple teams, complex interdependencies, and significant changes. Our global reach is demonstrated by our involvement in high-profile assignments around the world, helping to resolve the most challenging schedule and productivity issues. This breadth of industry knowledge and international experience allows us to deliver authoritative, detailed, and unbiased assessments—helping clients navigate disputes. We have worked on most regions, including:
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Europe
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Middle East
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Africa
Latin America
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Asia
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Australia
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North America
We have completed more than 250 engagements, across more than 50 countries
