
MAIN CONTRACTOR SERVICES
DELIVERING FULL PACKAGE CONSTRUCTION PROJECTS ACROSS COMMERCIAL, INFRASTRUCTUE & RESIDENTIAL
With over 30 years of experience, Kwikgreen provides complete main contractor services across London, Home Counties and the UK. We manage every phase of construction, from demolition and enabling works through to superstructure, finishing and handover, with the professionalism, technical expertise, and communication our clients expect from a trusted delivery partner.
We partner with main contractors, developers, architects, private clients and public sector clients to deliver a complete range of services, from demolition, excavation, and RC substructures to substructure and superstructure construction and external works.
Our background in civil engineering, reinforced concrete structures and groundworks gives us a strong technical foundation, while our management systems and accredited processes ensure every project is delivered safely, efficiently and to specification. Whether acting as principal contractor on commercial, infrastructure or high-value domestic schemes, we take full responsibility for the coordination, compliance and completion of each project.
To discuss working working with us on a subcontractor basis call +44 (0)1277 649009 or email details of your project to info@kwikgreen.co.uk. Alternatively submit an online enquiry form on our contact page.
TRUSTED. ACCREDITED. PROVEN


Our in-house trades and engineering teams bring decades of experience across groundworks, concrete, steel fixing and structural construction, supported by trusted supply-chain partners for complementary trades. This depth of expertise allows us to maintain tight control over quality, sequencing and cost, ensuring consistency across even the most technically demanding projects.
OUR CORE SERVICES
As main contractor, we provide a fully managed service, taking responsibility for every stage of construction, from early site preparation through to final completion. Our proactive management, technical knowledge, and clear communication ensure projects are delivered safely, efficiently, and to the highest standards of quality.
Project Management & Coordination
We provide complete oversight of every aspect of project delivery, from pre-construction planning and procurement to programme management and cost control. Our experienced team coordinates multiple trades, suppliers and consultants, ensuring a seamless flow of information and activity across the site. Through detailed scheduling and constant communication, we maintain momentum, minimise risk and deliver projects on time and within budget.
Site Establishment & Safety Management
Every project begins with proper site establishment and safety planning. We ensure full compliance with CDM regulations, conduct thorough risk assessments, and manage welfare facilities, temporary works, and access control. Our site managers enforce strict safety standards for our workforce, subcontractors, and visitors, maintaining clean, organised, and fully compliant sites at all times.
Demolition, Enabling & Groundworks
We manage all enabling and preparatory works, including the safe demolition of existing structures, clearance of debris, and establishment of site boundaries and access. Our groundworks teams carry out excavation, muck-away, and ground stabilisation with precision, ensuring the site is ready for all follow-on trades. With modern machinery, GPS-guided equipment, and experienced operators, we guarantee safety, efficiency, and accuracy from day one.
Substructure & Superstructure Construction
Our in-house expertise in reinforced concrete (RC) construction allows us to deliver all substructure and superstructure works with precision and efficiency. From piled foundations, rafts, and retaining walls to RC slabs, frames, and cores, we apply strict quality control and sequencing to achieve durable, compliant, and technically excellent structures. Whether forming basements for private residences or frames for commercial buildings, we deliver with accuracy and attention to detail.
To complete the package, we deliver all external works, including access roads, car parks, hard landscaping, and surface finishes. Our teams ensure levels, falls, and detailing are executed to the highest standard, providing both functionality and visual quality. By controlling the entire process, from sub-base preparation through to surfacing and kerbing, we ensure that every project is finished to a standard that reflects the quality of the build as a whole.
Safety, Quality and Compliance
We’re proud to be CHAS and ConstructionLine Gold accredited, reflecting our commitment to safe working practices, regulatory compliance and quality assurance at every stage. Our management team ensures full adherence to CDM regulations, environmental standards, and client-specific quality systems, giving you confidence that every element is handled professionally.
To discuss working working with us call +44 (0)1277 649009 or email details of your project to info@kwikgreen.co.uk. Alternatively submit an online enquiry form on our contact page.
SECTORS THAT WE DELIVER IN
Commercial & Industrial: Full construction delivery for office, retail and mixed-use developments.
Infrastructure & Civils: Roads, drainage, utilities, reinforced concrete structures and enabling works.
Retail & Mixed-Use Developments: New retail builds, forecourt redevelopments and logistics-linked construction.
Aviation & Transport: Airside and landside civils, access infrastructure and drainage.
To discuss working working with us call +44 (0)1277 649009 or email details of your project to info@kwikgreen.co.uk. Alternatively submit an online enquiry form on our contact page.
FREQUENTLY ASKED QUESTIONS
CONTACT KWIKGREEN TODAY
We offer all our new clients a free and no obligation initial consultation to discuss how our team can help with your project, so contact Kwikgreen today by calling 01227 649009 or submit an online enquiry using the form below and member of the team will contact you to discuss in more detail as soon as they can.











