Phase + Co delivers cost-effective, carbon-conscious engineering design from project inception through to handover and beyond. We combine rigorous technical expertise with genuine client dialogue — because the best systems start with the right questions.
30+
Years Experience
Multi-Discipline
Engineering Practice
100+
Projects Delivered
UK
Nationwide Reach
Our Approach
We believe reliable, maintainable engineering begins with robust design rooted in understanding. Our process centres on close collaboration throughout the project lifecycle — listening first, then delivering solutions that are practical, efficient and built to last. We are agile and flexible, working across all sectors and scales.
Capabilities
Engineering Design
All aspects of building engineering services systems design
Mission Critical
Mission critical systems, high resilience & uptime-focused solutions
Data Centres & AI
Design for data centres, including AI compute infrastructure
Industrial & Regulated
Industrial environments and regulated industry sectors
In-Use Installations
Design for live environments, with minimal operational disruption
Project Management
End-to-end PM, change control and NEC forms of contract
EPCM Projects
Engineer Procure Construct and Maintain project delivery
Compliance
CDM & Building Safety Act compliance as principal designer
Condition Assessment
Assessment of existing systems for performance and safety
Engineers for Hire
Embedded engineering resource within your team
Expert Witness
Independent expert witness and technical advisory services
Need something else?
If your project sits outside these — please get in touch. We provide bespoke solutions to suit unique project requirements. We’ll also be honest about whether we’re the right fit.
Working With Us
As a dedicated boutique practice, every client receives direct access to senior engineering expertise. No layers of management. No diluted attention. We invest fully in understanding your project, building a trusted working relationship that delivers better outcomes — on time and on budget.
What Clients Say
“Phase + Co have delivered a consistent, reliable and focussed service in excess of 15 years working together, across data centre, pharmaceutical, industrial and residential projects.
DirectorIkon Legal Support
“Phase + Co have provided an exceptional level of service across multiple complex projects including mission critical industrial and manufacturing facilities, meeting every challenge with pragmatism, clear thinking and effective communication.