What Revac Specialistische Technieken Bv does

Revac Specialistische Technieken BV is a Den Haag-based, third-generation family-owned specialist foundation engineering contractor serving the Dutch market. The company performs four core service lines: foundation repair (funderingsherstel), basement construction under existing buildings (onderkelderen), steel structural solutions (staalconstructie), and complex specialist projects (specialistische technieken) including underwater construction, building lifting/leveling, and monument restoration. Its central proprietary technology is the Sobu-paal® (Sondeer-buispaal®), a registered-trademark hydraulic pressed steel pipe pile system developed in-house around 1991. The piles are driven into load-bearing sand layers through small incisions in existing building walls, with resistance measured in real time to provide direct sounding data per pile. Wheelbarrow-sized equipment enables work in confined crawl spaces with minimal disruption, allowing occupants to remain in buildings during repair.

The company serves a diversified customer base led by private homeowners experiencing foundation settlement, supplemented by project developers, construction contractors, architects, engineering firms, municipal governments (notably Funderingsloket Haarlem), and heritage monument owners. Revenue is generated on a project-based, custom-quoted professional services model with no public pricing; each engagement begins with direct customer contact (phone, email, website form) followed by an on-site assessment and tailored quote. The firm completed more than 75 projects in 2021, executed entirely by its own specialist team operating from a single headquarters and workshop in the Binckhorstlaan area of Den Haag. Geographic focus is the Netherlands, with concentration in the Randstad region. Distribution relies on direct sales, customer testimonials, and a referral network of architects, contractors, and municipal foundation advisory services. Recent strategic moves include a partnership with De Groene Paal to integrate geothermal energy systems into Sobu-paal® foundations and the May 2021 ownership transition from Marcel Hillen to his son Maxime Hillen, signaling a third-generation growth phase.

Name

Revac Specialistische Technieken Bv

Legal name

Revac Specialistische Technieken BV

Website

https://revac.nl

Company type

Private

Founded year

1981

Operating status

Operating

Headcount range

1–10 employees

Short description

Revac Specialistische Technieken BV is a Den Haag-based, family-owned Dutch contractor specializing in foundation repair, basement construction, steel structures, and specialist foundation engineering, using its proprietary Sobu-paal® hydraulic pile system to serve homeowners, developers, contractors, and municipalities.

Ownership category

akta.pro rank

Product category

Specialist Foundation Engineering Services

NAICS

Foundation, Structure, and Building Exterior Contractors (2381), Poured Concrete Foundation and Structure Contractors (23811)

SIC

Fabricated Structural Metal Products (3440), Heavy Construction Other Than Bldg Const - Contractors (1600)

akta.pro primary industry

Foundation Remediation & Underpinning (Jack Piles, Resin Injection, Re-leveling) (IMAFAOAL)

akta.pro secondary industries

Piling & Deep Foundations (Driven, Bored, CFA, Micropiles) (IMAFAOAA), Structural Repair & Framing Reconstruction (HSAPAOAG)

Keywords

• Foundation repair services
• Basement construction
• Steel structural engineering
• Pile foundation systems
• Specialist construction services

Headquarters

HQ city

Den Haag

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Foundation repair services: Project-based foundation repair services using the Sobu-paal® system for residential and commercial properties experiencing settlement or foundation damage. Revenue is generated through one-time project fees based on scope, pile count, and project complexity.
2. Basement construction (onderkelderen): Creating additional living space by constructing basements under existing buildings. Includes foundation extension using Sobu-paal®, waterproofing, and drainage systems. One-time project-based revenue.
3. Steel construction services: Steel structural solutions for renovations, extensions, and structural modifications. Includes load-bearing wall removal support and custom steel frame installations. Project-based professional service revenue.
4. Specialist technical projects: Specialized underwater work, monument restoration, and unique engineering challenges requiring creative solutions. Includes consulting and specialized execution services.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Revac Specialistische Technieken BV provides specialized foundation repair, basement construction, and steel construction services for residential, commercial, and heritage buildings across the Netherlands. The company deploys its proprietary Sobu-paal® (sondeer-buispaal) hydraulic pressed steel pile system, which is no larger than a wheelbarrow, to repair settling foundations and underpin existing structures with minimal disruption to occupants. Projects also include underwater foundation work, building lifting/leveling, monument restoration, and creative engineering solutions for complex structural challenges.

Product overview

Revac Specialistische Technieken BV is a family-owned construction specialist company offering foundation repair, basement construction, and steel construction services throughout the Netherlands. The company's core proprietary product is the Sobu-paal®, a hydraulic steel tube pile system developed in-house that enables foundation repair with minimal disruption to occupants. This is complemented by specialized services including underwater construction, building lifting/leveling, and monument restoration. The company operates from The Hague and serves clients ranging from private homeowners to architects, contractors, and project developers.

Differentiator

Problem solved

Functional benefit

Brands

• Sobu-paal: Proprietary hydraulic pressed steel pipe pile system (sondeerbuispaal) developed by the company for foundation repair and underpinning, allowing minimal-disruption foundation work.

Products and services

• Sobu-paal® (Sondeer-buispaal) Proprietary hydraulic steel tube pile system pressed into load-bearing sand layers through an incision in the building wall, enabling foundation repair with minimal disruption. Resistance during pressing is registered, providing direct sounding data per pile. Equipment is sized like a wheelbarrow, allowing work in confined spaces such as crawl spaces.
• Funderingsherstel (Foundation Repair)

Quantifiable outcome

• 124 piles driven in 5 months for monument restoration project
• +2 more outcomes

Named customers13 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• De Groene PaalcoreStrategic or Co-development PartnerPartnership with De Groene Paal from Amsterdam enables sustainable foundation repair by incorporating geothermal energy systems into Sobu-paal® foundations. The piles are equipped with closed-circuit tubing that functions as a heat conductor, channeling ambient temperature to a heat pump. This allows homeowners to use geothermal energy for floor heating, radiators, and hot water, while also providing natural cooling in summer.
• Funderingsloket HaarlemcoreGTM or Marketing PartnerMunicipal foundation information office for Haarlem. Engages Revac regularly to perform foundation repairs and provide advice on preventing foundation problems. Jan Cees Kok is a dedicated employee who informs owners about foundation condition and advises on restoration methods.
• Craft bouwproductiesminorStrategic or Co-development PartnerConstruction company for newbuild project in Den Haag where Revac was engaged in the initial phase to advise on basement possibilities. Collaboration led to optimal design for basement integration in new construction.
• Verbakel BouwbedrijfminorImplementation/ SI/ Consulting PartnerContractor for the project involving lifting of a subsided house in Den Haag. Revac provided specialized foundation services as part of the construction project.
• Broersma IngenieursminorImplementation/ SI/ Consulting PartnerEngineering firm collaborating with Revac on the house lifting project, providing structural calculations and engineering support.
• Hoogendoorn BouwminorStrategic or Co-development PartnerConstruction contractor for the monument restoration project at St. Petrus Banden. Revac was invited to join the consortium for foundation repair of the Arcade monument.
• MonumentenzorgminorStrategic or Co-development PartnerHeritage monument authority involved in the Arcade restoration project at St. Petrus Banden. Part of the consortium that developed the restoration plan.

Scale indicators4 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Voorbij Funderingstechniek: Dutch specialist piling and foundation engineering contractor serving residential and commercial markets. Directly comparable to Revac as a foundation repair and piling specialist in the Netherlands.
• Van 't Hek: Dutch piling and foundation contractor with deep expertise in driven piles, screw piles, and foundation repair. Directly comparable to Revac in the Dutch piling and foundation repair market.
• Franki Grondtechnieken: Dutch geotechnical and piling contractor providing foundation solutions for buildings and infrastructure. Comparable to Revac as a specialized Dutch foundation engineering peer.
• Bresser Funderingstechniek: Dutch foundation specialist focused on repair, underpinning, and basement construction. Closely comparable to Revac's core offerings of foundation remediation and basement creation.
• De Funderingsexpert: Dutch foundation repair specialist serving homeowners with settlement and underpinning issues. Comparable niche to Revac's residential foundation repair work.

Broad incumbents

• Fugro: Dutch-headquartered global geotechnical and site investigation specialist with adjacent foundation services. Comparable as a large Dutch-rooted incumbent in geotechnical engineering.
• Heijmans: Major Dutch construction and infrastructure company with foundation work as part of a broader portfolio. Comparable as a broad incumbent operating in the same Dutch construction market.
• Keller Group: Global geotechnical and foundation engineering major offering piling, ground improvement, and foundation repair across many markets. Comparable as a broad incumbent in the same overall foundation services space.
• VolkerWessels: Large Dutch construction group with foundation and piling activities through its subsidiaries. Comparable as a broad Dutch incumbent whose portfolio includes foundation services.

Regional players

• Bauer Group: German-headquartered foundation specialist operating across Europe with piling, ground improvement, and foundation repair capabilities. Comparable as a regional European peer in foundation engineering.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

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Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Revac Specialistische Technieken Bv