Our Expertise

We work with approximately 300 specialized professionals across 10 locations on a wide variety of projects. You can engage us not only for project execution, but we are also happy to assist you during the preparation phase. Our specialists will visit your location for inspection and, based on their findings, provide you with advice on the correct approach to your issue. After completion, we will provide appropriate aftercare, if required.

SealteQ Highlights

80 percent returning customers
3290 Projects completed in 2024
28 Specialties
300 Specialized Professionals
10 Locations
52 Years in Operation

What We Stand For


  • We employ the best professionals
  • Safety is our greatest asset
  • We love innovation
  • Reliability is in our DNA
  • We are flexible
  • Sustainability is an ongoing endeavor

Career opportunities

When you work at SealteQ, you are given the opportunity for continuous personal development. This is central to our philosophy: working with ambitious specialists who do not shy away from any challenge. We are passionate about innovation. Does this appeal to you? Then quickly view our current vacancies. If the position you are looking for is not listed, please send us an open application, and perhaps we will speak soon!

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SealteQ Group leads the way with smart and proven sustainable solutions to extend the lifespan of concrete and steel structures.
Martin van der Leest

Martin van der Leest

Shareholder | General Manager SealteQ Group
SealteQ Noord | Stadskanaal
Visiting address

SealteQ Noord | Stadskanaal

Tinnegieter 31, 9502 EX Stadskanaal
Call us on +31 (0) 599 – 696 330
Email us at noord@sealteq.com

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SealteQ straalcabine | Bergum
Visiting address

SealteQ straalcabine | Bergum

Solcamastraat 22, 9262 ND Bergum
Call us on +31 (0) 599 – 696 333
Email us at noord@sealteq.com

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SealteQ SLS | Groningen
Visiting address

SealteQ SLS | Groningen

Wasaweg 29, 9723 JD Groningen
Call us on +31 (0) 599 – 696 339
Email us at sls@sealteq.com

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SealteQ Oost | Deventer
Visiting address

SealteQ Oost | Deventer

Herfordstraat 4, 7418 EX Deventer
Call us on +31 (0) 570 259 070
Email us at oost@sealteq.com

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SealteQ West | Waddinxveen
Visiting address

SealteQ West | Waddinxveen

Coenecoop 212, 2741 PK Waddinxveen
Call us on +31 (0) 182 – 71 68 68
Email us at west@sealteq.com

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SealteQ MCB | Bergharen
Visiting address

SealteQ MCB | Bergharen

Block 3, 6617 KM Bergharen
Call us on +31 (0) 487 532 193
Email us at mcb@sealteq.com

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SealteQ Ivacon | Amsterdam
Visiting address

SealteQ Ivacon | Amsterdam

Dukdalfweg 23, 1041 BC Amsterdam
Call us on +31 (0) 20 – 411 53 14
Email us at ivacon@sealteq.com

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SealteQ Heerenveen
Visiting address

SealteQ Heerenveen

De Ynfeart 4, 8447 GM Heerenveen
Call us on +31 (0) 513 – 628 583
Email us at heerenveen@sealteq.com

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Balm | Vianen
Visiting address

Balm | Vianen

Eendrachtsweg 9, 4131 NS Vianen
Call us on +31 (0)347-374174
Email us at info@balmbv.nl

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