Our Contractor Network
Join a trusted contractor network defined by excellence.
Join Our Contractor Network – Serving London and the South East
Professional Work That Matches Your Expertise. Backed by a Company That Values Your Trade.
At GC Doors, we know that delivering a top-quality service starts with the people on the ground. Our contractors are the face of our business—trusted professionals who take their craft seriously and understand what it means to uphold a reputation built on precision and reliability. Whether you’re handling a straightforward repair or leading a complex commercial installation, we trust you to carry our standards forward with skill and professionalism. That trust isn’t given lightly—it’s earned through the consistent, dependable work of contractors who deliver results our clients can see and service they can rely on.
We believe that great work speaks for itself—but it starts with the right mindset. That means arriving on time, following through on your commitments, keeping a clean, safe, and respectful site, and always pushing for a top-quality finish. These are the qualities we look for in our contractors, because they’re the same values that have earned GC Doors the trust of our clients.
We’re actively expanding our Contractor Network to meet growing demand across residential, commercial, and public sector projects throughout London and the South East. If you’re a skilled and dependable tradesperson or subcontractor who takes pride in their craft and wants to work with a company that recognises and respects your professionalism, we’d like to hear from you.
Work with a trusted contractor network in London and the South East.
Why Partner With GC Doors?
Because we understand what matters to professional contractors.
At GC Doors, we don’t just offer jobs—we offer trusted partnerships built on mutual respect and reliability. We know the pressures that come with being a skilled tradesperson: the importance of consistent work, getting paid on time, and being treated with fairness and professionalism.
When you work with GC Doors, you’re part of a network that values your expertise, supports your day-to-day delivery, and makes sure your time and skill are never taken for granted. We communicate clearly, plan jobs carefully, and make it easy for you to focus on what you do best—delivering high-quality work.
Whether you’re looking to grow your trade business or secure reliable, well-scoped jobs across London and the South East, partnering with GC Doors gives you the structure and trust of a company that’s known for getting things right.
Contractor Network: What You Can Expect When You Work With Us
At GC Doors, we understand that successful partnerships start with mutual respect and professional support. That’s why we’ve created a working environment designed specifically with contractors in mind—clear expectations, efficient communication, and jobs that are properly scoped and ready to go. We remove the friction that too often slows contractors down, replacing it with a system that works for you—not against you.
You won’t waste time chasing unclear instructions, unpaid invoices, or poorly planned site visits. Instead, you’ll receive well-prepared job briefs, clear points of contact, and the backing of an office team that understands how site work actually operates. Whether you’re looking to fill gaps in your schedule or build a longer-term relationship, our contractor network offers the kind of support that helps you focus on doing your best work—and getting fairly rewarded for it.
From your first point of contact to ongoing project delivery, we aim to make every interaction clear, professional, and rewarding.
Joining GC Doors means stepping into a streamlined system built to support you, not slow you down. We remove unnecessary admin, communicate clearly, and keep things transparent—so you can focus on the job without the distractions. Whether you’re new to subcontracting or a seasoned professional, you’ll find a reliable workflow, responsive coordination, and a steady stream of well-scoped projects.

✅ No Sign-Up Fees or Commission Deductions
Your trade, your terms. We believe good contractors shouldn’t have to pay to access good work. That’s why GC Doors will never charge you to join our network, and we don’t deduct commission from your earnings. Our focus is on building strong, lasting partnerships—so what you quote is what you’re paid, with no hidden costs and no surprises.
What you earn is what you keep.
We never charge to join our network and we don’t take commission from your rates. Our contractors receive the full agreed payment for every job.
✅ Fair and Prompt Payment
We pay on time—every time. Your time and skills are valuable, and we treat them that way. Every job you take on comes with clearly defined terms and expectations, and we follow through with reliable, on-schedule payments. No chasing, no delays—just professional service for professional people.
We respect your trade. We honour your time.
Expect clear work orders and timely, reliable payments on every job.
✅ Steady, High-Quality Work
Work that matches your strengths. Our clients range from homeowners to major commercial and public sector organisations, which means we can offer a consistent pipeline of meaningful jobs across different environments. Whether you’re after short-term callouts or long-term projects, we’ll match you with work that suits your trade, availability, and ambitions.
Real jobs. Real opportunities.
From one-off repairs to long-term projects, we offer a consistent stream of rewarding, profitable work.
✅ Organised and Professional Operations
A team that supports you from start to finish. We keep things simple, streamlined, and professional—because we know how much smoother jobs run when everyone’s on the same page. Our survey and office teams provide detailed work orders, real-time updates, and friendly, responsive support so you can stay focused on delivery, not admin.
We set you up to succeed.
Our office and survey teams provide all the information and support you need to do your job well—from job briefs to on-site contacts.
✅ A Values-Led Approach
Work with people who take pride in doing things properly. We hold ourselves and our contractors to high standards—not just in the quality of the work, but in how we show up. We expect integrity, safety, clear communication, and respect on every site. That’s what our clients expect from us—and that’s what we expect from each other.
Work you can be proud of.
We believe in doing things properly, treating people with respect, and working safely. Our contractors are more than suppliers—they’re part of our extended team.
✅ Reputation-Boosting Partnerships
Let your work speak for itself—backed by a name clients trust. GC Doors is recognised for quality and professionalism throughout London and the South East. When you join our network, you’re not just taking on jobs—you’re building your professional brand under a company that values your reputation as much as its own.
Stand out for the right reasons.
Work under a recognised, respected brand trusted by landlords, commercial clients, housing providers, and managing agents.
Who We Partner With – Professional Contractors and Trades
We’re looking for experienced, reliable, and professional contractors who take pride in delivering great results—whether you’re working on a domestic repair, a shopfront glazing job, or a complex commercial installation. At GC Doors, we’re trusted by landlords, property managers, and housing providers, and we aim to work with tradespeople who can uphold the standards and care our clients have come to expect.
Many of our projects also involve insurance-related repairs and sensitive property environments, including tenanted homes and commercial premises. This means being able to assess and carry out remedial works to a high standard, sometimes with documentation, photos, or clear communication back to our team or the client. If you’re a skilled tradesperson who delivers neat, professional work and communicates well on site, we want to hear from you. We welcome contractors who are used to working under their own name or brand, and who are confident representing a company with a strong reputation for doing things properly.
We’re currently seeking additional high-quality contractors across the following trades:
Window and Door Fitters – Trusted with the professional installation and adjustment of uPVC, aluminium, and timber systems. You’ll carry out high-quality fits and finishing work across a variety of domestic and commercial properties, ensuring the final result is functional, secure, and visually consistent with the client’s expectations. Experience with various locking mechanisms, weatherproofing techniques, and accurate trimming is essential. You’ll carry out high-quality fits and finishing work across a variety of domestic and commercial properties.
Glaziers – Skilled in emergency call-outs, reglazing, and specialist works across residential, commercial, and retail properties. You’ll handle everything from broken panes and shopfronts to custom glass solutions, always with attention to detail and care for the property. Knowledge of different glass types and glazing techniques is essential, along with the ability to work quickly and cleanly in occupied spaces. Precision, responsiveness, and care are key to every job.
Joiners and Carpenters – Experts in timber repair, sash and casement restoration, and bespoke finishing. You’ll bring craftsmanship and structural know-how to both new and heritage projects, including detailed finishing, reinstatement, and conservation-led work. The ability to read and interpret drawings, work with period-accurate methods, and apply durable finishing is essential. You’ll bring craftsmanship and detail to traditional and heritage property works.
Surveyors and Engineers – Responsible for site visits, accurate measuring, quoting, and specifying works. You’ll assess site conditions, liaise with clients or managing agents, and translate what’s needed into actionable job scopes. Your work underpins our ability to quote fairly, complete jobs first-time, and uphold safety and compliance standards across all project types. You’ll provide the backbone for delivering the right solution—clearly, safely, and within scope.
Maintenance Contractors – Tackle alignment issues, minor adjustments, and remedial works with care and efficiency. You’ll handle hardware replacements, seal failures, and component-level fixes that extend the life of existing doors and windows. Your work often resolves client frustrations quickly and directly—making attention to detail and client communication key. Whether sealing a draft or restoring smooth operation, your role helps preserve client satisfaction long after the initial fit.
Emergency Response Specialists – Quick-thinking, dependable professionals who respond to urgent boarding-up and make-safe needs—often out of hours. You’ll need to act fast, secure sites safely, and communicate clearly with the GC Doors team or property managers. Your presence reassures clients in moments of crisis, and your work protects their property while longer-term solutions are arranged.—often out of hours. You’ll play a key part in our responsive repair services for commercial and insurance-related works.
Contractors Application Form
Professional Work That Matches Your Expertise. Backed by a Company That Values Your Trade. Ready to Apply?
We make it easy for skilled tradespeople to get started with GC Doors. Whether you’re a sole trader, an experienced subcontractor, or an independent tradesperson looking to build reliable workstreams, applying to join our Contractor Network is straightforward and hassle-free.
Our application process is designed to reflect the standards and professionalism we uphold across all our projects—including insurance-related works. We review every contractor based on the quality of their previous work, how they manage their communication and documentation, and their ability to deliver safe, compliant, and responsive service in occupied or sensitive environments.
We’re looking to build relationships with contractors who understand the importance of timeliness, thoroughness, and respect—both on-site and in documentation. Whether you’re submitting quotes, uploading photographic evidence, or simply turning up when you say you will, these behaviours matter to us and to our clients. If you’re confident in your trade, comfortable with responsibility, and ready to represent a respected brand—we invite you to apply.