About
Muller Dordrecht

More than 100 years knowhow in the maritime industry

We are a family owned company with more than 100 years knowhow in the maritime industry. In the world of towage and heavy transport we strive for the highest level of service. Our competitive spirit and our skilled and innovative employees combined with our family of specialized services are the ground base for growth.

Our Heritage

In the previous century, we revolutionised the tug and barge business with tailor-made solutions and dedicated crew. More than hundred years and many succesfull projects & towages later, those pillars are unchanged. Their importance is only growing with the need for increased sustainability and digitalisation. It is our aim to combine our proven know-how and dedication to serve the needs of our clients in the coming years.

Our Philosophy

In the world of towage and heavy transport we strive for the highest level of service. Our competitive spirit and our skilled and innovative employees combined with our family of specialized services are the ground base for growth.

Dedicated team
Muller Dordrecht, one team. Being a family company, with short communication lines, means we can be ready to help you out in no time, day and night.

Customer Focused
At Muller Dordrecht you get a one-stop-shop solution. From offer to invoice you will keep the same Muller contact-point to keep things simple. Leave us to it, we will get the job done.

Mission

Muller Dordrecht is a maritime service provider for Towage, Offshore and Heavy Transport.
We stand for:

  • High quality service tailored to customer's specific needs;
  • Challenging work, personal development and clear career perspective for our employees;
  • Mutual respect, mutual benefit and value for money for our stakeholders;
  • Loyality, integrity, respect and commitment;
  • Safety, health and well being of environment and society.
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Vision

In the world of towage and heavy transport we strive for the highest level of services to fulfit our customers needs. Our competitive spirit, our skilled and innovative employees, together with our family of specialised services shall be the basis for growth.

Our Story

Foundation of Rederij T. Muller

Rederij T. Muller BV, known as Sleepdienst “En Avant” at that time, was founded by Teun Muller in 1918. Later on in 1922 Teun continued the business on it’s own.

Zuiderzee Works

In this period Muller became very active in the project called ‘Zuiderzee Works’ (Dutch: Zuiderzeewerken). This project is a man-made system of dams and dikes, land reclamation and water drainage work.

Bridging The Gap

Muller became market specialist in transporting and commissioning (swimming-in) of several bridges after the Second World War (WWII).

Delta Works

In this period Muller became very active in the project called ‘The Delta Works’. The Delta Works in the Netherlands is one of the most ambitious and impressive feats of civil engineering in the world.

Move Into The Offshore Industry

Muller gets involved in the offshore oil & gas industry, which was becoming a fast growing market on the North Sea at that period.

New Steps Into The Heavylift & Transport

In 1983 Muller acquired Hak Heavy Transport who was active in het heavy transport and lifting market in Europe.

Start of Port Towage services

Since 1987 we play a vital role in the safety & reliability of port operations around the port of Dordrecht en Moerdijk.

Muller Dordrecht & Coastal Towage

Muller Dordrecht became more involved in Seagoing & Coastal Towage activities.

Newbuild EN AVANT 5

New steps in seagoing towage by newbuild seagoing tug (EN AVANT 5).

Purchase of newbuild seagoing RoRo barges

Expansion in the Heavylift & Transport market by the purchase of newbuild seagoing RoRo barges.

Purchase of tugboats in the range 30-70T BP

Shifting activity focus from inland to seagoing & offshore by purchase of seagoing tugboats in the range 30-70T BP.

Purchase of seagoing tug EN AVANT 30

By purchase of EN AVANT 30 (AHT - 120T BP), Muller Dordrecht enters the offshore and anchorhandling market.

Celebrating 100 years of Muller Dordrecht

We celebrated our 100th anniversary in the Kunstmin Theater in Dordrecht with customers, stakeholders, friend and family of Muller Dordrecht.

Muller Dordrecht invests in green pushboat ZODIAC

ZODIAC is a 19.75-metre pushboat (pusher) in the Muller Dordrecht fleet, registered in Dordrecht, the Netherlands. Built by Concordia Damen and certified for inland navigation, she is designed for harbour and river work.

Muller Dordrecht invest in powerful green (offshore) tugs EN AVANT 25 & EN AVANT 26

EN AVANT 25 & EN AVANT 26 are modern seagoing ASD (Azimuth Stern Drive) tugs built by Damen Shipyards in Vietnam. With 90 tons bollard pull they can operate offshore as well as in port.

Muller Dordrecht invests in powerful green harbour tug EN AVANT 19

EN AVANT 19 was newly built in 2025 and designed for towing and support operations both offshore and in ports like Dordrecht and Moerdijk.

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Our Maritime Services

Trusted expertise for every maritime need.

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Offshore

Your partner for the global offshore energy and infrastructure sector.

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Sea Towage

We tow everything that floats safely from A to B.

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Heavy Transport & Lifting

Moving the Impossible.

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Harbour Towage

We play a vital role of port operations around the port of Dordrecht, Moerdijk and Rotterdam.

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Emergency Response & Salvage

Our tugs are always ready and will be on the spot in short time.

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Load Testing

We have tailor-made testlift barges up to 5500T.

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Ice Breaking

We keeps the main inland waterways and ports open for the shipping industry.

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Transport Engineering

We bring know-how to every job.

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