
Professional Oversight of Engineering Projects
Solidus & Aqua is an independent engineering consultancy and technical think tank specialising in bulk materials handling and water infrastructure systems.
With over 30 years of engineering experience and global project delivery exposure, we bring disciplined technical judgement and practical insight to complex materials and fluid transport challenges.
We support asset owners, operators and EPC contractors across the UK, Europe and Sub-Saharan Africa in delivering infrastructure that performs reliably, efficiently and sustainably.
Operating independently of equipment manufacturers, our focus is not product supply — it is engineering clarity, system integrity and long-term operational performance.
Alongside consultancy services, Solidus & Aqua functions as a focused technical think tank, continually evaluating emerging technologies and environmental pressures to ensure that engineering decisions are informed by both operational reality and forward-looking insight.
We deliver solutions that work in practice — not just in specification.
Expert Engineering Insight for Infrastructure Excellence
Solidus & Aqua Engineering Consultancy delivers independent, technically authoritative advice to enhance system performance and infrastructure resilience, guiding strategic decisions for bulk solids, liquid transport, and water systems across the UK; Europe and Sub-Saharan Africa.

Delivering Sustainable Engineering Excellence
Explore our expert consultancy services tailored for bulk solids, liquid transport, and water infrastructure systems.

Environmental & Sustainability Advisory
Independent environmental and sustainability advisory services for bulk solids, liquid transport and water infrastructure systems.

System Optimization
Enhancing performance and efficiency of bulk material and pumping systems.

Technical Due Diligence
In-depth assessments to ensure compliance and operational reliability.

Project Oversight
Expert management ensuring seamless execution and infrastructure resilience.
Comprehensive Feasibility Studies for Bulk Solids & Water Systems
Explore our expert consultancy services that deliver independent technical advice and optimize infrastructure resilience across bulk materials and water transport.
Bulk Materials Handling Expertise
Specializing in system optimization and technical due diligence for efficient bulk solids management.
Port and Rail Infrastructure Advisory
Providing project oversight and strategic guidance to enhance port and rail system performance.
Water and Wastewater Process Solutions
Delivering resilient pumping and process handling systems tailored to long-term water infrastructure needs.
Expert Engineering Solutions for Resilient Infrastructure
Discover how Solidus & Aqua delivers tailored consultancy that enhances bulk solids, liquid transport, and water system performance.

Comprehensive Feasibility Studies
Providing in-depth analysis to ensure project viability and optimize design for efficient bulk materials and water infrastructure.
Specialist Technical Advisory
Offering independent, expert guidance to support decision-making and improve system reliability across complex engineering projects.
Project Oversight & Optimization
Ensuring effective implementation and continuous performance improvements for pumping systems, ports, and rail infrastructure.
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