Solar You Can Trust from a Which? Trusted Trader
Don't gamble with your home. Choose the installer endorsed by the UK's leading consumer champion for quality, service, and transparency.
The Gold Standard in Customer Service
We are proud to be one of the few solar installers in Scotland to hold the prestigious Which? Trusted Trader endorsement. This isn't just a badge; it's a promise of quality, honesty, and accountability.
What This Means For You
Total peace of mind from quote to completion.
Vetted & Endorsed
We have passed the rigorous assessment process set by Which?, the UK's most trusted consumer champion.
Code of Conduct
We adhere to a strict code of conduct that prioritises your interests, ensuring fair treatment and transparent pricing.
Dispute Resolution
As a Trusted Trader, we offer access to an independent dispute resolution ombudsman, giving you complete protection.
Verified Reviews
Read genuine, moderated reviews from our past customers on the Which? Trusted Traders website.
Popular Solar & Battery Packages
Select the battle plan that best fits your home. To guarantee maximum performance, every fortress is built with premium Aiko 465W solar panels, complete with built-in shading optimisation.
The Watchtower
The Vigilant Fortress
The smart, proactive choice for small to medium-sized homes looking to gain immediate protection from price hikes.
- 10 x Premium Aiko 465W Panels
- 5.2kWh Fox ESS Battery
- Partial Shading Optimisation
From
£8,253
or from £186/month*
The Stronghold
The Resilient Fortress
Our most popular choice for families seeking a powerful and resilient fortress to maximize savings and achieve a faster payback.
- 14 x Premium Aiko 465W Panels
- 10.1kWh Alpha ESS Battery
- Partial Shading Optimisation
From
£9,938
or from £225/month*
The Citadel
The Ultimate Fortress
The no-compromise package for absolute energy domination. The ultimate expression of power, security, and prestige.
- 18 x Premium Aiko 465W Panels
- 15kWh EcoFlow Battery
- Partial Shading Optimisation
From
£13,018
or from £297/month*
*Monthly payments are representative examples based on a 5-year term at 12.9% APR. Subject to status and credit check.
Hear from Viking Clan Members Already Vanquishing Their Energy Bills
Excellent based on 85 reviews.
Sep 25, 2025
First Class Service
"We are absolutely delighted with the advice and installation of our PV system. Having access to the app to see the power we are generating and returning to the grid is addictive! We highly recommend this team."
SM
Aug 14, 2025
Exemplary Communication
"The standard and level of communication was exemplary from the outset. This gave us the reassurance and confidence to proceed. On the day, the team worked collaboratively and the care they took was obvious."
Paula
Jul 6, 2025
My supplier paid me £20!
"Last month, my electricity bill was £64, I exported £84 meaning my electricity supplier paid me £20 with no electricity bill. This included charging my car. I am over the moon. Thank you Viking!"
Anne
Jun 24, 2025
Solar done right!!
"Excellent service from start to finish. Initial consultation was very knowledgeable. Installation was a breeze. Final support in setting up my SEG tariff was also flawless. Highly recommend this company. No pushy sales."
Martin Mason
Apr 6, 2025
Very happy with my new solar panels
"Very happy with my new solar panels & battery. Great service, any issues dealt with quickly and effectively. Would highly recommend the team."
Debbie Ford
Feb 21, 2025
Superb service and delivery
"When I first read the reviews, I couldn't believe a company could be so good. Viking have been amazing from the very start. Feeling so grateful to have chosen them to do the job. Thank you Viking!"
Izzy Valenti
The Valhalla Guarantee: Total Peace of Mind
We believe a guarantee should be simple, powerful, and transparent. We've combined industry-leading insurance with our own service promises into a single shield that protects you at every stage of your journey. Here's what our guarantee includes:
1. DEPOSIT & INSTALLATION GUARANTEE
Your deposit is fully protected and our workmanship is guaranteed for a decade. This promise is backed by independent insurance, securing your investment against the biggest risks in the industry.
2. A PROMISE, NOT A PROJECTION.
We guarantee your system's official MCS production estimate for the first year. If it underperforms, we pay you the difference. No fine print, no excuses.
3. VOUCHED FOR BY OUR CLAN
A guarantee is only as strong as the company that makes it. We're proud of our stellar reputation, reflected in public reviews and our strong partnerships with the UK's leading energy and technology brands.
Trusted Trader FAQs
It means we have been thoroughly assessed by Which? professionals. They check our creditworthiness, customer satisfaction, business procedures, and quote transparency.
Solar is a significant investment. Choosing a Which? Trusted Trader removes the risk of rogue traders and ensures you are dealing with a reputable, financially stable company.
Yes. Which? continuously monitors our performance through customer feedback and checks to ensure we maintain the high standards required to keep our endorsement.
Quality doesn't have to cost the earth. Our systems typically range from £8,000-£12,000, and we provide clear, itemised quotes with no hidden extras.
Can't find the answer you're looking for?
Get Your Free, Trusted Quote
No hard sell. Just honest advice and a clear, itemised proposal.
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