Delivering Sustainable Infrastructure Solutions
Expert consultancy for complex infrastructure projects, driving progressive change and better outcomes through sustainable practices.

We specialise in infrastructure consultancy, helping public and private sector clients navigate complex projects and achieve sustainable development.
Our team combines global project experience with localised regulatory expertise to deliver on-time, on-budget outcomes that meet both financial and sustainability targets.
We deliver value through three core strengths:
Expertise in Sustainable Project Delivery
Comprehensive support from project inception to completion, ensuring timely and cost-effective delivery while integrating sustainable practices.
Public Policy Insight
Deep understanding of regulatory environments to navigate policy complexities and secure approvals.
Collaborative Approach
Working closely with clients to tailor solutions that meet their unique needs and goals.
About Us
The Bollen Advisors mission is to transform infrastructure projects through sustainable practices and collaborative approaches, enhancing communities and driving economic growth.
Services
We offer comprehensive infrastructure consultancy services designed to help public and private sector clients navigate complex projects and achieve sustainable development.
Our expertise spans project delivery, public policy insight and stakeholder engagement, ensuring that every project meets both financial and sustainability targets.

Sustainable Project Delivery
We provide comprehensive support from project inception to completion, ensuring timely and cost-effective delivery while integrating sustainable practices. Our team leverages advanced analytics and digital tools to optimise project performance and minimise environmental impact.
Public Policy Insight
Our deep understanding of regulatory environments helps navigate policy complexities and secure approvals. We stay updated on the latest policy changes and trends, ensuring projects are future proofed against evolving standards.
Collaborative Approach
We work closely with clients to tailor solutions that meet their unique needs and goals. Our collaborative leadership fosters partnerships between public entities, private stakeholders and local communities, ensuring all voices are heard and integrated into project outcomes.
Data-Driven Decision Making
We leverage advanced analytics and digital twin technologies to provide clients with robust, evidence-based strategies for optimal project performance. This includes predictive maintenance, resource optimisation and risk management.
Sectors
Our consultancy has extensive experience across various infrastructure sectors.
Transportation and Urban Mobility
We advise on metro expansions, highway upgrades and multimodal transportation systems, focusing on accessibility and sustainability.
Energy and Utilities
Our team supports the transition to renewable energy grids, integrating wind and solar power while optimising existing infrastructure.
Water and Waste Management
We develop innovative water treatment and waste management solutions, emphasising efficiency and environmental stewardship.
Case Studies
At Bollen Advisors, we deliver innovative solutions to complex infrastructure challenges worldwide.
Our case studies showcase how we’ve helped our clients achieve their goals through sustainable practices, cutting-edge technology and expert project management. Each project demonstrates our commitment to excellence, environmental stewardship and collaborative problem-solving.
Insights
Our insights page is a hub for cutting-edge ideas, industry analysis and expert perspectives on the future of sustainable infrastructure development.