Towage
Offshore
Heavy Transport

More than 100 years knowhow in the maritime industry

1918

Our Journey Starts

100+

Years of knowhow

100+

Dedicated Staff

20.000+

Projects Completed

50.000+

Cups of Coffee a year

Muller family transfers ownership to Boluda Towage

After an intensive and careful deliberation process, the Muller family has decided to join Boluda Towage, the world’s leading towage company, with a presence across five continents and operations in more than 230 ports worldwide.

A difficult decision, because Muller Dordrecht is much more than a company; it is a family business over 100 years old into which the family and their employees have poured their heart and soul. At the same time, they are convinced that, from a business perspective, this is the best step for the future of the company.

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Maritime Services

Trusted expertise for every maritime need.

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Tugs

Discover our state-of-the-art versatile tugs.

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Barges

Making the impossible, possible with our range of barges.

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Careers

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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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Discover our state-of-the-art versatile tugs.

We have the right power
and size for you.

Boat

Werken bij Muller: Technical Superintendent

De functie Technical Superintendent is een veelzijdige technische baan binnen Muller. Je coördineert het onderhoud van de sleepboten, duwboten en pontons.

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Werken bij Muller: QHSE Manager

Ben jij een ervaren QHSE Manager en toe aan een rol waarin jij het verschil maakt bij Muller Dordrecht?

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Werken bij Muller: Kapitein ASD Zeesleper

Als sleepboot kapitein werk je aan boord op één van onze ASD zeeslepers. Je werkt samen in vast team. Naast het aansturen van je bemanning, ben je verantwoordelijk voor het onderhoud van het schip.

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Werken bij Muller: Maritiem Officier

We zoeken een ervaren Maritiem Officier die zich graag aan ons bedrijf bindt. Je komt te werken aan boord van onze zeeslepers.

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