Leading the Way in
Construction & Energy

Greentek is an Agile, Multi-disciplinary construction and Energy Firm, dedicated to delivering high-performance solutions for a sustainable future.

Our Journey Since 2020

Established in 2020, Greentek has rapidly grown into a powerhouse in the UK construction and energy sector. We have successfully delivered over 500 projects under major schemes including ECO3, ECO4, and LA Flex.

Our approach is built on two core pillars: Energy & Decarbonization and Commercial & Domestic Construction. By bridging the gap between traditional building practices and modern energy efficiency, we provide a unique, holistic service to our clients.

500+
Projects Completed
25+
Years of Experience
98%
Client Satisfaction
50+
Team Members

Why Greentek

Three Reasons
Home Owners Trust Us.

Accreditation, experience, and accountability built into every project we take on.

BRAND AGNOSTIC

We select the best in class technology or hardware, based on client requirements.

FULL LIFECYCLE SUPPORT

From initial consultancy and design to installation and long-term maintenance, we stay by your side.

OUR STANDARD. YOUR GUARANTEE.

Something not right? We come back and fix it. Free. No questions asked, that's a guarantee.

About Us

A Home That Works Harder, For Less.

We believe you shouldn't need three different companies to power your property, fix your heating, and renovate your space. That's why Greentek brings solar, heat pumps, and energy storage together with expert construction and renovation both residential and commercial, so everything gets handled by one accredited team, properly, from day one.

Why Choose Us

Why Homeowners Choose Greentek.

Certified installers, fixed prices and one accountable team, from the first survey through to the final sign-off.

Certified & Accredited InstallersOne Team, Start To FinishFinance Options Available

Our Network

Trusted by Industry Leaders.

Strategic partnerships with leading global manufacturers to deliver high-performance hardware.

AIKO
Growatt
Ideal Heating
InstaGen
JinkoSolar
SolaX
Trinasolar
Vaillant
Worcester Bosch
SWIP
AIKO
Growatt
Ideal Heating
InstaGen
JinkoSolar
SolaX
Trinasolar
Vaillant
Worcester Bosch
SWIP
AIKO
Growatt
Ideal Heating
InstaGen
JinkoSolar
SolaX
Trinasolar
Vaillant
Worcester Bosch
SWIP

Our Process

Four Steps.
Zero Surprises.

From the first call to the final handover, a clear, transparent process designed to deliver solar, home improvement, and renovation work with zero hassle.

STEP 1

Free Survey

Book online or call. A Greentek specialist visits your property to assess your solar, heating, insulation, or renovation needs.

STEP 2

Custom Quote

Get a clear, fixed-price quote with material and brand options, and an honest timeline, no hidden fees.

STEP 3

Expert Installation

Our in-house accredited team carries out the work, solar, heat pump, insulation, or renovation, no subcontractors passing the job around.

STEP 4

Handover & Warranty

We walk you through everything on completion, clean up after ourselves, and hand over your written warranty.