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Commercial Cleaning

COMMERCIAL SOLAR PANEL CLEANING SERVICE

Maximising energy efficiency and maintaining performance with professional commercial solar panel cleaning.

Solar Panel Corporate Cleaning

Commercial solar panel cleaning is essential for maintaining system performance and preventing long-term damage. Even light dust or bird droppings can block sunlight and reduce energy output, increasing operational costs and lowering your return on investment. Over time, build-up can also lead to staining or corrosion, especially around the frames.

Our team uses purified water and non-abrasiveladder-free systems to clean safely and efficiently, without damaging the panels or surrounding fixtures. Whether you manage a warehouse, business park, or renewable energy site, we help keep your system operating at peak performance while protecting your long-term investment.

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Fareham Borough Council logoHousing 21 logoFirst Port logoRed Funnel logoRMG logoWinchester City Council logoStonewater logo

Our Corporate Clients

Neptune Window Cleaning Services has been proudly serving corporate clients for over 30 years, establishing a reputation for excellence and reliability in the industry. We have had the privilege of working with esteemed organisations like Stone Water, Winchester City Council, Fareham Borough Council, First Port, Housing 21, RMG, Denfords Property Management to name just a few, providing them with professional window and exterior cleaning services that meet their high standards.

We prioritise safety and professionalism in all aspects of our work. We hold prestigious accreditations with Safe Contractor, iPAF, PASMA, and City & Guilds. These certifications demonstrate our dedication to adhering to the highest safety standards and ensuring the well-being of our team and clients.

The team at Neptune are well-equipped to tackle major tender opportunities. We have the expertise and resources to handle large-scale projects for corporate clients, delivering exceptional results within strict timelines.

9,000

Customers

35+

Years In Business

14+

Vehicles

Supported by Outstanding Client Reviews


Safe & Accredited

At Neptune, we prioritise safety and professionalism in all aspects of our work. We hold prestigious accreditations such as iPAF, City & Guilds, PASMA, and SafeContractor. With our trained and certified professionals, you'll have peace of mind knowing that your windows are being handled with professionalism and care.

City & Guilds
IPAF
PASMA
SafeContractor

Areas We Cover

Based in the heart of Hampshire, Neptune covers the entire county and beyond. Our expert team know what matters to you; punctuality and great service. It's why we're trusted by over 6,000 homes and businesses.

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Speak to a member of our team to get started. If we are not yet in your area, leave your name and email below, and we will notify you as soon as we are.

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Maintain Your Business Premises With Professional Atrium Cleaning That Restores Brightness

Caring For Your Investment
At Neptune, we know that clean solar panels perform better and last longer. Our commercial solar panel cleaning service helps maintain efficiency by safely removing dirt, dust, and bird droppings that can reduce output.

We use purified water and gentle tools to clean without chemicals or surface damage, helping you get the most from your system while protecting your investment.

Eco-Friendly
We use eco-friendly methods to clean commercial solar panels safely and effectively. Our system uses deionised water instead of chemicals, reducing environmental impact while protecting your solar panels.

This approach supports sustainability goals and helps keep rooftop and large-scale solar systems running efficiently. It’s the smarter way to maintain performance while keeping your business environmentally responsible.

Meet The Team

At Neptune Cleaning, we’re proud to have a team of experienced and approachable specialists in commercial solar panel cleaning. We understand how important clean panels are for maintaining energy efficiency and protecting your investment. That’s why we’re committed to delivering a service that is punctual, professional, and tailored to your site’s needs. Whether you manage a large-scale solar array or rooftop panels on a commercial building, you can count on us to leave your panels spotless and operating at their best all while ensuring you’re completely satisfied with the results.

ROB TELLINGMANAGING DIRECTOR
MARK BOTTOMLEYCONTRACTS MANAGER
ALEX EDEFINANCE & ACCOUNTS
MELANIE CLARKEBUSINESS DEVELOPMENT
SHANE SMITHDIRECTOR - EXTERIOR
BEN JEROMESFRANCHISEEAREAS COVERED:SO45, SO18, SO19, SO31
TERRY DOVEYFRANCHISEEAREAS COVERED:SO50
DAN ROWEFRANCHISEEAREAS COVERED:SO21, SO22, SO23
JAMIE DIVERFRANCHISEEAREAS COVERED:SO30, SO32
RUSSELL SPENCER-FLEETFRANCHISEEAREAS COVERED:SO40, SO15
MIKE WILEYFRANCHISEEAREAS COVERED:SO51, SO52, SO53
SHANE SMITHFRANCHISEEAREAS COVERED:SO31, PO14

You're One Step Away from a Flawless Clean

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FAQs

Guiding you through our range of professional cleaning services to help you find the perfect solution for your property.

When you book commercial exterior building cleaning, you can choose from a variety of services, including window, patio and façade cleaning, render and stone cleaning, roofing cleaning (including for atriums and conservatories), and even solar panel cleaning, if you’ve got them.

We place a calling card invoice through your letterbox on your scheduled cleaning day. It may not always be obvious that we have visited, as your site will consistently be left in excellent condition as part of our service.

Payment can be made conveniently by BACS. Please use your first address line, street name and postcode as the payment reference. You may also pay by cheque, either by post or directly to the operator, please write your address on the reverse of the cheque. Cash payments can be made to the operator on the day.

Bank details for BACS payment:

Sort Code: 20-79-29
Account Number: 00232297

When you book regular commercial exterior cleaning with Neptune, you gain the benefit of always knowing that your premises remains spotless year-round. Attract new clients and impress existing ones! As the exterior façade is the first thing people see when they interact with your business, it’s important to keep it in top condition. Regular cleaning also stops the spread of moss and algae, which can damage a building over time. You will appreciate your building more when it has no streaks or marks, brightening the environment you come to work in!

Depending on the type of business you run and where it is situated, your business exterior may need bi-weekly or monthly cleaning. In different seasons, building exteriors have different needs as well: in Winter, there is a higher level of rain which can create streaks and scatter debris. In Summer, sun can bleach building façades and fade paint. If you’re concerned about how your building will fare over the year, talk to us today!

As our cleaning concerns your business’ exterior, you don’t need to be there to let us into the interior. We can perform our cleaning duties outside of your normal working hours. If your building is enclosed and needs gate access, we can liaise with you about how to enter the exterior property without you needing to physically be there.

One of the secrets of this system is the final rinse. This removes any pollutants which may have been dislodged from the tiny gaps between the window frame and sealed units. The final stage of the filtration takes place as we pump the pure deionised water from holding tanks in our van through resin filters into the hoses which feed our cleaning poles, ensuring that this water is as pure as it practically can be. The water droplets left on the window will be 100% pure and will dry completely clear. Using a cloth or squeegee to dry windows would only result in contaminating the clean surfaces with smears and blemishes. We offer a 100% satisfaction guarantee and have a high retention rate of customers. Neptune Window Cleaning will give you the cleanest windows and frames you have ever had.

Unlike traditional window cleaning, there are no soapy residues left on your windows after they have been cleaned to be dissolved by the pure rainwater and cause spotting or streaking. Rainwater is nearly as pure as our 5 stage filtered, deionised pure water, and will also dry perfectly clear without spotting. This means we work all year round apart from in the most extreme of weathers when it would be unsafe to work.

This means you get unrivalled reliability and service, and windows and frames which are always clean.