About Us

Ninja Group Drainage & Civil Limited is a New Zealand owned and operated business, whose Ninjas have over 25 years’ experience in the drainage industry. We have a team of highly skilled and experienced Certified Drainlayers who can provide solutions for all drainage problems. We not only repair current drainage, we can install a whole new system. Our team are fantastic at problem solving. Our Systems integrate safety, health, environment and quality service and solutions. We understand the importance of service along with providing advice and solutions for healthy, working drainage systems. Our team really knows their stuff! This makes us a user-friendly business as well as the first choice of commercial and domestic customers large and small.

Why choose Ninja Group Drainage & Civil

  • Whether it is a sewer or stormwater line in need of repair, or a drain that needs laying, quality workmanship is guaranteed. Solutions are provided fast and accurate.
  • We can install a new sewer or stormwater drainage system
  • We can provide flood prevention advice
  • We also do Septic tank installations
  • We have the latest, and internationally recognised, plant and equipment, operated by our highly trained and experienced Ninjas.
  • Any excavation work is carried out quickly and efficiently (with minimum impact). We will always leave your site clean and tidy.
  • We only use New Zealand Approved materials and purchase from reputable suppliers.
  • We have a genuine commitment to innovation and thus providing appropriate solutions for our customers.
  • We include not only first class and efficient service but also communication. Whether it is about the time we will be at your site right through to detailed discussions about providing solutions and outcomes for your project.
  • We specialise in all residential work and small, medium and large business enterprises.
  • We are your one stop shop for all drainage solutions from drain unblocking, CCTV to locate faults and new connection points, full drain maintenance including hydro root cutting and suction.
  • We can provide you with a stormwater maintenance plan for cesspits, soakholes, detention and retention tank

Give us a call today; we promise we will provide appropriate solutions at a price that won’t burn a hole in your pocket.

Call 0800 475 008 for 24/7 service in your area.


Drain Services

Drain Repair

Drain Repair

Drain failures are often due to environmental changes or age, causing ground movement and expansion. Signs of a broken drain include bad smells, water pooling, and blockages. Call our professional team to quickly identify the issue and provide a quote for the job.

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Drain Installation

Drain Installation

Our certified drain layers provide comprehensive sewer and stormwater drain installation services, from connecting to new council connections to managing water control for surface drainage. We also offer expert advice on complying with council regulations.

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Our Team

Meet the Ninjas

We aim to provide unsurpassed service to our clients through our TEAM.

First and foremost are our NINJAS. These are the people you meet at the coalface. They are highly trained and experienced drain layers using only the latest and best equipment.

Secondly, there is our Marketing and Administration NINJAS. University educated, combined with many years of experience and expertise in their field means we offer a premium quality service.

Finally, there is the founder who brings over 40 years’ experience as a recognised businessman and business and franchise consultant, both in New Zealand and Internationally. He knows what service, communication and commitment to our clients’ means

Geoff Langham

Geoff Langham

Sasha Langham

Sasha Langham

Executive Manager
Troy Gorst

Troy Gorst

Head Technician

Drain Technicians

From left to right
Wayne, Nate, Jarrod, Bayley, Troy, Sean, Kent, Apollo, Alana, Sarah, Sasha, Geoff

We are the best, but why take our word for it

For expert Auckland drain repair and installation, you can’t look past Ninja Drain & Civil – and with ‘ninjas’ in our name, we’ve got to be good! Our Certified and Qualified drain layers have been getting their hands dirty for more than 20 years now, so we really know our stuff.  You can be rest assured that the job will be done right. Every job is assessed from start to finish by our Registered Drain Layers, working to the New Zealand code to ensure drainage repairs comply with all regulations.. For affordability, peace of mind and reliable service 24 hours a day, seven days a week, give us a call on

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0800 475 008