What happens underground makes a difference above ground
Underground Construction Specialist
Our Shared Mission
Since 1963, we have been building a safe and reliable underground infrastructure. An infrastructure filled with cables and pipelines for water, gas, electricity, and new energy. Our mission is clear: A.Hak looks after the world beneath our feet. For over 60 years, we have been designing, building, and maintaining the energy and water networks in our country. From urban areas to rural routes, from new construction to renovation: A.Hak delivers tailor-made solutions that meet the highest requirements in terms of safety, sustainability, and quality.
Small and large projects with dedicated professionals, suppliers, and subcontractors. Whether it’s about constructing gas, water, or electricity networks, making heat networks more sustainable, or realizing complex high-voltage routes – together we deliver quality craftsmanship. It is our ambition to develop future-proof connections for decades to come. Together with our partners and clients, we continue to innovate, improve, and grow—with craftsmanship as our foundation and collaboration as our strength.
Our Focus
The Latest Technologies
As specialists in distribution networks, heating systems, transport pipelines, high-voltage connections, and trenchless technologies, we build the underground backbone of the Netherlands. Whether it’s about constructing gas, water, or electricity networks, making heat networks more sustainable, or realizing complex high-voltage routes – we make it happen. And we make it well.
Our strength lies in combining technical knowledge, years of experience, and innovative methods. We contribute from the design phase, execute with precision, and ensure reliable delivery. Thanks to our trenchless techniques, we can work with minimal environmental impact and maximum efficiency.
Always Up to Date:
Not afraid to try innovative methods
Low-emission operations and fully electric drilling
Trenchless drilling with minimal environmental impact
Expert in combining technical knowledge
Building with ambition, growing with vision
Steadfast in a turbulent environment
A.Hak is among the top 25 largest contractors in the Netherlands – and that’s no coincidence. We are growing rapidly, achieving strong results, and continue to invest in our people, technology, and processes. Every day, we are fully committed to delivering our best. Not out of obligation, but because we believe in craftsmanship, responsibility, and progress.
Our ambition extends beyond numbers. We want to make an impact: in the energy transition, in sustainable infrastructure, and in the way we collaborate. We share that drive with our clients, partners, and colleagues. We build connections that last for generations – both technically and personally.