Insights

Industry Leadership STS has an extensive track record in pioneering conformity assessments and industry standards for solar manufacturing, positioning it as a trusted authority in renewable energy inspection and compliance services. This opens opportunities to collaborate with leading solar manufacturers and project developers seeking expert validation and certification.

Global Presence With operations in 15 countries and a clientele including nine of the top ten global developers, STS's international footprint provides a strategic entry point for companies looking to expand their sustainability initiatives across new markets, offering tailored compliance and quality assurance services.

Client Loyalty and Reputation High Net Promoter Scores and a strong reputation driven by high-quality service and word-of-mouth referrals suggest STS's ability to retain long-term clients and attract new business through strategic partnerships with large EPCs, utilities, and developers requiring ongoing certification and assessment services.

Technological Expertise Utilizing a diverse tech stack and data-driven assessment approaches, STS can offer advanced monitoring, data analysis, and compliance solutions that appeal to energy producers looking to optimize operations and meet evolving sustainability benchmarks—creating opportunities for tech-integrated service offerings.

Expansion Opportunities Given STS's leadership in setting industry standards and its pioneering role in sustainability assessments, there is potential to develop new certification programs or sustainability consulting services for emerging renewable technologies and storage solutions, positioning STS as a comprehensive partner for future energy innovations.

STS Tech Stack

STS uses 8 technology products and services including Webpack, Font Awesome, Slick, and more. Explore STS's tech stack below.

  • Webpack
    Development
  • Font Awesome
    Font Scripts
  • Slick
    Javascript Libraries
  • Swiper
    Javascript Libraries
  • jQuery Migrate
    Javascript Libraries
  • PHP
    Programming Languages
  • RankMath SEO
    Web Platform Extensions
  • prettyPhoto
    Web Tools And Plugins

Media & News

STS's Email Address Formats

STS uses at least 1 format(s):
STS Email FormatsExamplePercentage
First.Last@sts-certified.comJohn.Doe@sts-certified.com
50%
First.Last@sts-certified.comJohn.Doe@sts-certified.com
50%

Frequently Asked Questions

Where is STS's headquarters located?

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STS's main headquarters is located at 92, Cours Lafayette, Lyon, Auvergne-Rhone-Alpes 69003, FR. The company has employees across 6 continents, including AsiaEuropeNorth America.

What is STS's stock symbol?

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STS is a publicly traded company; the company's stock symbol is VSTS.

What is STS's official website and social media links?

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STS's official website is sts-certified.com and has social profiles on LinkedIn.

What is STS's NAICS code?

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STS's NAICS code is 33441 - Semiconductor and Other Electronic Component Manufacturing.

How many employees does STS have currently?

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As of October 2025, STS has approximately 1.7K employees across 6 continents, including AsiaEuropeNorth America. Key team members include Chief / Senior Technical Architect - Engineering Division: F. G.Vice President Human Resources And Administration: S. S.Vice President Of Sales: S. S.. Explore STS's employee directory with LeadIQ.

What industry does STS belong to?

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STS operates in the Renewable Energy Semiconductor Manufacturing industry.

What technology does STS use?

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STS's tech stack includes WebpackFont AwesomeSlickSwiperjQuery MigratePHPRankMath SEOprettyPhoto.

What is STS's email format?

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STS's email format typically follows the pattern of First.Last@sts-certified.com. Find more STS email formats with LeadIQ.

When was STS founded?

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STS was founded in 2010.
STS

STS

Renewable Energy Semiconductor ManufacturingFrance1001-5000 Employees

Established in 2010 by a team of seasoned French solar industry veterans, STS is the result of our passion to advance sustainability progress, and our relentless drive to solve our client’s challenges.

At STS, through tailored technical and expert advisory services, we enable our clients to make informed decisions that positively impact sustainability advancement. 

Since inception, STS has consistently led the way in pioneering conformity assessment within the solar industry. We have the longest track record of inspection and audits in the industry, we spearheaded the industry's first standard for the approval of PV module manufacturing and dispatch, we were the very first ISO17020-accredited inspection body dedicated to renewable energies, and we trailblazed sustainability assessments in the industry. These groundbreaking steps have solved challenges for buyers worldwide, enabling them to set the right standards for mass production of solar and storage components.

With a presence in 15 countries across the Globe, STS brings expert knowledge to a global scale. We boast the largest fleet of full-time inspectors in the industry, conducting over 500 quality assessment projects annually. Our clientele includes leading EPCs, developers, independent power producers, and utility companies, spanning across more than 30 countries. Nine of the top 10 global developers are STS clients. 

STS takes immense pride in providing an exceptional client experience, reflected in our consistently high Net Promoter Score (NPS). Our dedication to delivering top-notch service has earned us the trust and loyalty of our clients, resulting in a significant portion of our business being generated through word-of-mouth referrals. Our commitment to excellence drives us to continually enhance our services and exceed the expectations of our clients, solidifying our reputation as a trusted leader in the industry.

For more information, visit www.sts-certified.com.

Section iconCompany Overview

Headquarters
92, Cours Lafayette, Lyon, Auvergne-Rhone-Alpes 69003, FR
Stock Symbol
VSTS
NAICS Code
33441 - Semiconductor and Other Electronic Component Manufacturing
Founded
2010
Employees
1001-5000

Section iconFunding & Financials

  • $25M$50M

    STS's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    STS's revenue is estimated to be in the range of $25M$50M

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