Delta Engineering

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Delta Engineering

DELTA Engineering is a leader in the fields of electrical installations, engineering, industrial construction in Data Centers across the European Union

The company and its predecessors AVES G and ESS Group have over 29 years of experience as a full service electrical contractor with a track record of successfully executed large scale projects in Germany, the Netherlands, Finland, Belgium, Bulgaria and Denmark. Our scope of services is based on closing the cycle of engineering and construction, power installations and design, supply, installation

of equipment, power tests and commissioning, warranty-period and subsequent servicing. Among the clients of DELTA are major data international center and telecom companies, leading industrial companies, electricity and utilities, as well as governmental institutions and municipalities. The company’s team comprises of over 60 highly qualified electrical engineers and installation experts. The qualification of our team is upgraded with yearly trainings on up-to-date best industry practices. Our credentials of successfully completed projects include various data centres across the European Union, as well as landmark industrial facilities.

22/10/2025

The Office team at Delta has successfully completed an AI training program with SoftUni, designed specifically for our business needs.

This initiative reflects our ongoing commitment to continuous improvement and innovation. By gaining practical knowledge in AI, our team is now even better prepared to optimize processes and enhance the quality of services we deliver to our clients – because this is the future, right?

A big thank you to SoftUni and especially to our lecturer Zhelyo Penchev for sharing valuable expertise, as well as to our colleagues for their dedication to learning and growth every day.

26/09/2025

For yet another year in a row, our HR team at Delta Engineering Europe had the pleasure of joining the Forbes Bulgaria HR & Employer Branding Forum!

This event is always a source of inspiration, new ideas, and valuable discussions about the future of people, culture, and employer branding.

We are proud of our HR colleagues Vesselina Gatcheva and Trayana Uzunova, who continuously bring fresh energy and best practices into our company, helping us grow not only as professionals but also as a strong and motivated team!

10/09/2025

Delta Engineering Europe is moving forward with another important achievement!

We are now officially registered with the Handwerkskammer in Germany for the cross-border provision of construction services in line with EU regulations.
Combined with our certification from the Chamber of Builders in Bulgaria, this approval strengthens our ability to deliver reliable, high-quality projects across Europe while remaining fully compliant with local and international standards.

A big thank you to our dedicated team whose commitment and professionalism made this milestone possible!

20/08/2025

Finland: A Data Center powerhouse in the making

With its cool climate and abundant green energy, Finland is becoming a key player in Europe’s data center landscape. Major investments from Microsoft, Google, TikTok (€1 bn "Project Clove") and others are set to triple the market’s value by 2030.
But this rapid growth brings pressure—especially on the grid. Smart, reliable ex*****on is more critical than ever.

At Delta Engineering Europe, we know the terrain well. We’ve already completed a complex, long-duration data center project in Finland, delivered successfully and on schedule. Our experience in full-scope MEP installations helps clients navigate the challenges of scaling fast — and sustainably.

06/08/2025

The Future of Data Storage Just Went Underwater

We're excited to witness a major leap in the data center industry: China’s first commercial underwater data center has officially launched in Hainan – with expansion already underway. This isn’t just an experiment – it’s a live, scalable solution that promises 40% energy savings, efficient thermal management using seawater, and sustainable high-performance computing. With 400 servers already submerged, the facility is serving AI, gaming, and scientific workloads in real time.

As a trusted installer and systems integrator for large-scale data centers, we see this as a glimpse into the future: fast deployment, eco-efficiency, and edge-ready design. At Delta Engineering Europe, we’re proud to power and protect critical infrastructure like this – with world-class cooling, power conversion, and monitoring systems that lead the industry in reliability and innovation.

If your next data project needs to go deeper – literally or metaphorically – we’re here to help!

18/07/2025

DT02 Phase Completed – Another Step Forward at FRA33

We’re excited to share that Delta Engineering Europe has successfully completed the DT02 phase of our ongoing project at FRA33 Data Center. This stage included the full installation and commissioning of busbars and busways, executed to the highest engineering standards.
✔ Delivered on schedule.
✔ Executed with zero incidents.
✔ Completed with precision and teamwork.

This accomplishment represents more than just a technical milestone — it’s a reflection of the consistent reliability, planning, and ex*****on that our teams bring to every project across Europe.

To our installation technicians, site supervisors, and coordination teams – thank you for the dedication, precision, and collaboration that made this phase a success.

As we move into the next stage, we at Delta Engineering Europe remain committed to delivering excellence in every connection we build!

04/07/2025

AI Doesn’t Run on Magic. It Runs on Infrastructure.

While the world is busy talking about artificial intelligence, Delta Engineering Europe is behind the scenes — making it physically possible.

The AI models transforming industries — from chatbots to medical diagnostics — require massive computing power. And that power lives inside data centers that are bigger, hotter, and more demanding than anything we’ve seen before.
But here’s the part no one likes to talk about: AI can’t run without thousands of meters of cable, precise installations, clean routing, and physical infrastructure that can handle constant high-load operations.

In the past few years, Delta Engineering Europe teams have worked on high-performance data centers across Europe, built specifically for GPU clusters and AI computing. These aren’t “just data centers.” These are next-generation facilities — and in this world, there is no room for error.
Delta Engineering Europe is a leading partner for structured cabling and critical infrastructure installations across the continent. Our company delivers scalable, robust, and future-proof installations — on time, on spec, and at the highest level of technical precision.

We don’t just install.
Delta Engineering Europe builds the physical layer AI depends on.

01/03/2025

Welcoming Spring with Baba Marta!

Baba Marta is a beloved Bulgarian mythical figure who brings the end of the cold winter and the beginning of spring. To celebrate, we exchange Martenitsi – beautiful red and white bands that symbolize health, happiness, and prosperity.

At Delta Engineering Europe, we embrace this tradition and wish you a season filled with success, joy, and new opportunities! May this spring bring you warmth and positivity in all that you do.

Happy Baba Marta!

14/02/2025

DELTA investing in high performance tools across its operations!

We are proud to share that Tsvetan Bozhilov, CTO and founding partner of Delta Engineering Europe, joined the prestigious Milwaukee exhibition in Monaco!

The event was a fantastic platform to explore the latest innovations in professional tools and technology. As a company committed to efficiency and precision, we are proud to integrate Milwaukee’s high-performance tools and the One-Key inventory management system.

Tsvetan’s visit reaffirmed our trust in Milwaukee’s cutting-edge solutions, and we are excited to implement them across our operations and herewith to enhance our efficiency and performance.

A huge thank you to Milwaukee for hosting the event and for continuously pushing the industry forward. We look forward to the future of collaboration and innovation!

23/12/2024

Wishing you a Merry Christmas and a Happy New Year! 🎄
At Delta Engineering Europe we are grateful for your trust and partnership throughout the year. May this festive season bring joy, health, and prosperity to you and your loved ones.

Here's to a bright and successful 2025 together! 🌟

06/12/2024

We invite you to explore our company’s mission, values and the innovative solutions we provide. From our dedicated team to our commitment to safety and excellence, we take pride in delivering high-quality services that meet the needs of our esteemed clients.

Join us as we showcase our collaborative work environment, cutting-edge projects, and the passionate individuals who drive our success. Together, we are making a positive impact in our industry and beyond.

15/11/2024

Team Spirit on and off the pitch! ⚽

Team DELTA recently spent some well-deserved downtime with a friendly football match in Frankfurt! It was a fantastic opportunity to bond, unwind, and showcase our competitive spirit outside the workplace and the pace of the digital world.

Building strong relationships and trust between our team members other fosters collaboration, teamwork and safety in our daily tasks. A big thank you to everyone for their enthusiasm and sportsmanship!

Here’s to more fun team activities that strengthen our connections!

Address

Ulica Boris Valchev 20
Sofia
1407

Telephone

+35928725263

Website

http://www.deltaeurope.eu/

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