Welcome to Holtkamp Solar Energy Solutions

Leading in the renewable energy sector, Holtkamp offers comprehensive solar energy solutions. They provide everything from solar panel installation to maintenance and consultation, serving both residential and commercial clients.

Your one-stop-shop for all your solar power needs.

Holtkamp Solar Energy Solutions delivers comprehensive and top-of-the-line services in harnessing the sun’s power. Our dedicated team of professionals is committed to providing innovative, eco-friendly solutions that not only benefit our environment but also create a sustainable future for generations to come.

  • Solar Panel Installation: Our highly skilled and trained technicians ensure precise solar panel installations. We take into account every detail, from solar exposure to structural integrity, to provide an efficient and durable system tailored to your specific needs.
  • Maintenance: To ensure optimal functionality, we offer routine maintenance services for your solar power system. Our expert technicians can troubleshoot and fix any potential issues, ensuring your solar system performs at its best.
  • Consultation: Uncertain about where to start? Our seasoned consultants are ready to guide you through the process of switching to solar power, offering expert advice and customized plans based on your unique needs and energy goals.

Results you can measure.


Cost savings from a complete customer experience redesign for a global retailer


Reduction in year-over-year contact minutes for a consumer manufacturer


Improvement in customer satisfaction ratings for a large provider


Enhancing Technical Education trainees-attec

Enhancing Technical Education

Background Yenagoa, a rural area in Nigeria, struggled with limited access to technical education due to infrastructural
Home Security with Solar Energy ds

Home Security with Solar Energy

Introduction At Holtkamp Investment LTD, we combine our expertise in engineering and renewable energy to provide innovat

Guidelines for Diagnosing and Resolving Common Solar Installation Issues

Blog Solar panels, multimeter and engineering hands for voltage check, installation or maintenance. Sust.

Troubleshooting a solar installation involves diagnosing and...

Solar Power: A Catalyst for Transformation in Rural Areas

Blog Solar photovoltaic panels on a roof of family house, alternative energy, saving resources and sustainable lifestyle concept.

In many rural landscapes across the globe, the realm of poli...

I like working at GLB because I get to sell the best software in the industry and I work with best / brightest / most fun team of people I’ve ever worked with.

Adam Epstein

Adam Epstein

CEO / Director - American National University

We selected GLB because they understand operating requirements in the healthcare sector. They bring a winning combination of experience and commitment to excellence.

Mrs. Sherena

Mrs. Sherena

Corporate communications Executive

We has been working with GLB for 12 months and in that time they have demonstrated an unwavering desire and capability to deliver.

Mike Guardalabene

Mike Guardalabene

Group CEO - Celebi Aviation Holding
  • 1. Iterate Design

    We always start with people. Business is driven by human behavior. And we take a human-centered design approach to drive business results. Through observation, learning, and immersive research we are able to roadmap solutions that work for our clients and their customers.

  • 2. Validate Develop

    This is where we bring the design vision to life—uncovering and alleviating stumbling blocks that could interfere with successful implementation. Our 360-degree focus on customers and tech-agnostic approach allow us to develop flexible solutions that scale with business needs.

  • 3. Optimize Deliver

    Our global operation model and thousands of employees in 10 countries allow us to implement best practices and meet clients’ needs practically everywhere. From implementation to analysis, we go beyond solution launch to seek out continuous improvement for our clients—and ourselves.

We take processes apart, rethink, rebuild, and deliver them back working smarter than ever before.