For over two decades, Altongate has partnered with public and private sector organisations to deliver transformational infrastructure and major projects across the United Kingdom.
Trusted Advisors
Altongate was founded on the principle that major infrastructure projects require not just technical expertise, but deep sector knowledge, collaborative partnership, and an unwavering commitment to delivery excellence. Today, we stand as one of the UK's most trusted independent consultancies.
Our reputation has been built project by project, working alongside government departments, local authorities, regulated utilities, and private sector clients to deliver critical infrastructure that serves communities, drives economic growth, and supports the nation's transition to a sustainable future.
With offices in London, Birmingham, and Manchester, we employ over 280 professionals who combine technical excellence with commercial acumen. Our multi-disciplinary teams work seamlessly across project management, cost consultancy, programme leadership, and technical advisory services.
Professional Services
We provide integrated consultancy services across the entire project lifecycle, from strategic planning and feasibility through design, procurement, construction, and handover.
Expert leadership and governance ensuring complex programmes are delivered on time, within budget, and to the highest standards. Our project managers bring decades of experience across major infrastructure delivery.
Learn more →Comprehensive quantity surveying and cost consultancy from initial estimates through procurement to final account settlement. We provide financial certainty and value optimisation throughout project lifecycles.
Learn more →High-level strategic advice helping clients navigate complex infrastructure challenges, regulatory environments, and funding landscapes. We support informed decision-making at the earliest project stages.
Learn more →Systematic identification, assessment, and mitigation of project risks through structured workshops, quantified risk analysis, and ongoing risk management throughout delivery.
Learn more →Specialist technical advice across engineering disciplines ensuring designs are deliverable, cost-effective, and fit for purpose. We bridge the gap between design ambition and practical delivery.
Learn more →Embedding environmental sustainability and net-zero principles into project delivery. We help clients meet statutory obligations, achieve carbon reduction targets, and deliver lasting environmental benefits.
Learn more →Market Expertise
Deep sector knowledge and technical expertise across the critical infrastructure markets that underpin the UK economy.
Strategic road networks, local highways schemes, rail infrastructure, and integrated transport solutions. We work with National Highways, Network Rail, local authorities, and private operators on major improvement programmes.
Water treatment works, sewerage infrastructure, flood defence schemes, and environmental infrastructure. Our team supports water companies through AMP cycles and major capital programmes.
Power generation facilities, electricity distribution networks, gas infrastructure, and renewable energy projects. We support the UK's energy transition with expertise in both conventional and renewable technologies.
Commercial developments, education facilities, healthcare infrastructure, and civic buildings. From schools and hospitals to offices and mixed-use developments, we deliver buildings that serve communities.
Critical national infrastructure, defence establishments, and secure facilities requiring specialist security clearance and programme management expertise. Long-standing framework partnerships with MOD and other agencies.
Data centres, telecommunications networks, fibre rollout programmes, and smart infrastructure enabling digital transformation. Supporting the physical infrastructure behind the digital economy.
Project Portfolio
A selection of significant infrastructure schemes where Altongate has provided programme management, cost consultancy, and technical advisory services.
Transport Infrastructure
Programme management and cost consultancy for a major highways improvement scheme enhancing connectivity between Yorkshire and the North East. Delivery included major junction improvements, dualling works, and smart motorway technology implementation.
Healthcare Infrastructure
Comprehensive project management and cost consultancy for a new acute hospital facility delivering modern healthcare infrastructure to serve 750,000 residents. Included emergency department, surgical facilities, diagnostic imaging, and specialist treatment centres.
Water & Environment
Technical advisory and programme management for a state-of-the-art water treatment facility ensuring resilient, sustainable water supply for 2 million residents. Advanced treatment processes, energy efficiency measures, and environmental mitigation.
Performance
Our track record demonstrates consistent delivery excellence across major infrastructure programmes.
Independently verified client satisfaction scores demonstrate our commitment to partnership, communication, and delivery excellence.
Chartered engineers, project managers, quantity surveyors, and technical specialists bringing deep expertise to every engagement.
Long-term framework agreements with central government, local authorities, and major utilities demonstrate trusted advisor status.
Insights & Thought Leadership
Expert analysis, market insights, and thought leadership from our team of infrastructure specialists.
Analysis of how changes to HS2 scope will impact regional connectivity strategies and what this means for future transport infrastructure investment across the Midlands and North.
Read article →Our technical director discusses practical approaches to embedding carbon reduction into infrastructure delivery, from materials selection to whole-life carbon assessment.
Read article →Looking ahead to the next Asset Management Period, we examine the strategic priorities for water companies balancing resilience, environmental outcomes, and customer affordability.
Read article →Trusted By
We are privileged to work with leading public and private sector organisations across the UK.
Whether you're planning a major infrastructure programme, seeking specialist advisory support, or looking for experienced project management expertise, our team is ready to support your objectives.