“Richard Horncastle is one of the most professional and knowledgeable recruiters I have worked with in the energy storage industry.”
Contractors & temporary solutions
Flexible talent.
Mobilised when your projects need it.
Harry James Group provides skilled contractors, interim specialists and temporary project teams to renewable-energy businesses. From a single commissioning engineer to a full site team, we help you keep critical projects moving — on schedule and to standard.
Contractors & temporary solutions
Workforce support built
around project schedules.
Renewable-energy projects move in phases — development, construction, commissioning and operations — and each phase needs different specialists at short notice. Our contractor network gives you access to proven, project-ready professionals who can step in quickly, integrate with your team and deliver from day one.
Fast Mobilisation
Pre-qualified contractors from our active network, ready to support urgent and business-critical requirements.
Vetted & Compliant
Experience, certifications and right-to-work checked before introduction, so your site onboarding runs smoothly.
Global Reach
Contractors for projects across the UK & Europe, North America, the Middle East and Australia.
Contractors we supply
Project-ready specialists
Commissioning & Electrical
- Commissioning Engineers
- HV / Authorised Persons
- Electrical Supervisors
- SCADA & Controls Technicians
Construction & Site
- Site & Construction Managers
- Field Engineers
- QA / QC Inspectors
- Mechanical Completion
Project Delivery
- Project Managers
- Project Controls & Planning
- Document Controllers
- Package Managers
Operations & Maintenance
- O&M Technicians
- Field Service Engineers
- Asset Performance
- Warranty & Remediation
HSE & Compliance
- HSE Advisors
- CDM & Site Safety
- Environmental Advisors
- Permitting Support
Interim Leadership
- Interim Project Directors
- Interim Engineering Leads
- Commercial Managers
- Programme Leadership
How it works
- 01
Brief
We confirm the scope, skills, certifications, location, rates and start date with your project team.
- 02
Source
We match from our active contractor network and targeted search, prioritising proven project experience.
- 03
Mobilise
We handle checks, documentation and onboarding so contractors arrive ready to work.
- 04
Support
We stay in touch throughout the assignment, manage extensions and plan the next phase with you.
Engagement models
Contract & Day-Rate
- Specialists for defined project phases
- Rapid mobilisation for urgent needs
- Flexible extension or release
- Single point of contact
Project Team Build-Out
- Multiple coordinated contractor hires
- Crews aligned to your programme
- Scale up or down as phases change
- Ongoing workforce planning support
Interim & Fixed-Term
- Cover for critical vacancies
- Interim leadership during change
- Fixed-term specialist contracts
- Contract-to-permanent options
Why clients use HJG contractors
Less risk. Less downtime.
More delivery.
Our contractor solutions are designed to protect your programme:
- Specialists with directly relevant renewable-energy project experience
- Fast turnaround for urgent and business-critical needs
- Certifications, references and right-to-work checked
- One point of contact for every assignment
- Flexible extension, release or contract-to-permanent
- Support across onshore, offshore and grid-scale projects

The right people on site. On time.
Contractors across renewable energy
Contractor network
Global network.
Local site knowledge.
We support projects across key renewable-energy markets worldwide, combining an international contractor network with local market knowledge.
Hover or tap a location to see where we recruit and how many roles are live right now.
Who we support
Testimonials
Trusted on live projects

Keep your project moving
Need contractors on site?
Tell us the role, location and start date — we'll come back quickly with available, project-ready specialists.





