Concreto Group
Concreto Group is a Netherlands-based human capital holding company that consolidates five specialist staffing and HR-services brands (executive search, engineering, construction, and interim management) serving Dutch mid-market and enterprise clients, backed by private equity partner Quadrum Capital.
- Company typePrivate
- Founded-
- HeadquartersAlmelo, Netherlands
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Concreto Group does
Concreto Group is a Netherlands-based human capital holding company that consolidates five specialist staffing and HR-services brands under a single corporate umbrella. Founded in 2023 and headquartered in Almelo (with operational presence in Hengelo, Arnhem, Zwolle, Amersfoort, Hattemerbroek, Groningen, Utrecht and 't Harde), the group serves Dutch mid-market and enterprise clients through wholly-owned operating subsidiaries: Siebert & Wassink (executive search, recruitment & selection, assessment and HR/organizational advisory, 25+ years operating), Ventiv Engineers (project-based detachment of HBO/WO engineers, 140 deployed professionals, 415 completed projects, 15 years operating), CoBuilders (technical staffing for construction, civil engineering and installation technology), Target | The Career Company (detachment, executive search and interim management for industry/technology/construction, with its Target Academy), and Edison (construction project management, 20 years operating).
The group's core "product" is a multi-label human capital platform rather than a software platform — there is no proprietary technology stack disclosed in the source material. Revenue is generated through four mechanics across the portfolio: transaction/placement fees (recruitment and executive search), managed services (project detachment and interim management), and professional services (assessments, leadership development, HR advisory and salary benchmarking). Pricing is quote-based and not publicly disclosed. The go-to-market is sales-led and consultative, with each subsidiary maintaining its own client relationships in vertical-specific industries including manufacturing (VDL ETG, Demcon, Von Gahlen, Greefa, Mecal), construction and engineering (Voortman, Sigmax, MST, Kingspan, DGS, Royal Kaak, Plavei, REMONDIS, Witte van Moort, Wouter Twitzel, Proge).
Concreto Group operates exclusively in the Netherlands and is privately held. Its strategic financial partner is Quadrum Capital, a private equity firm whose Managing Partner (Arjan Hoop) and Investment Associate (Erik Brands) sit on the team. Group leadership consists of CEO Tom Kleizen and CFO Joris Tukkers, supported by centralized HR, finance, marketing and office management functions. The stated strategic intent is to continue adding specialist human-capital entrepreneurs to the portfolio, leveraging centralized support to accelerate growth and create cross-portfolio synergy.
Concreto Group firmographics
Firmographics- Name
- Concreto Group
- Legal name
- Concreto Group
- Website
- https://concreto-group.com
- Company type
- Private
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Concreto Group is a Netherlands-based human capital holding company that consolidates five specialist staffing and HR-services brands (executive search, engineering, construction, and interim management) serving Dutch mid-market and enterprise clients, backed by private equity partner Quadrum Capital.
- Ownership category
- akta.pro rank
Concreto Group industry classification
Industry- Product category
- Human Capital Services
- NAICS
- Offices of Other Holding Companies (551112)
- SIC
- Services-Management Consulting Services (8742)
- akta.pro primary industry
- Executive Outplacement (C-Suite & Senior Leaders) (BPACAOAC)
- akta.pro secondary industries
- DEI (Diversity, Equity & Inclusion) & Belonging Consulting (BPAHAGAJ), Team & Group Executive Coaching (Leadership Teams) (EDABANAF)
Keywords
Where Concreto Group is headquartered
LocationHeadquarters
- HQ city
- Almelo
- HQ country
- Netherlands
- HQ region
- Europe
Offices9 records
Markets served
Concreto Group business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Others
Revenue model
- Recruitment and Selection Services: Executive search, werving & selectie services across multiple specializations including sales & marketing, management & consultancy, finance & business, technique & operations, procurement & supply chain, HR & support. Revenue generated through successful placement fees.
- Professional Detachment: Project-based deployment of professionals (HBO/WO level) to industrial companies, engineering firms, and construction organizations. Services include project detachment, interim management, and career coaching.
- Assessment and Development: Selection assessments, development assessments, career assessments, leadership development, training & coaching, and team development services.
- HR and Organization Advisory: Strategic HR advisory, organizational development, business succession, HR scans, and salary benchmarking services.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
Concreto Group product offering
Product offeringCore offering
Concreto Group is a Dutch human capital holding company that partners with ambitious entrepreneurs through five specialist subsidiary brands (Siebert & Wassink, Ventiv Engineers, CoBuilders, Target | the career company, and Edison). The group delivers executive search, recruitment, professional detachment/secondment, assessments, and HR advisory services, primarily serving industrial, engineering, and construction organizations. The group combines specialized brand expertise with shared back-office support to enable scale and continuity for its portfolio companies.
Product overview
Concreto Group is a holding company that operates multiple specialist human capital brands under one umbrella, providing full-service HR solutions. The portfolio consists of five distinct subsidiaries: Siebert & Wassink (executive search and organizational consulting), Ventiv Engineers (engineering career placement), CoBuilders (construction technical staffing), Target | the career company (detachment, executive search, and interim management with Target Academy), and Edison (project management in construction). Each brand maintains its own focus and identity while benefiting from centralized support in HR, finance, marketing, and office management provided by the parent company.
Differentiator
Problem solved
Functional benefit
Products and services
- Siebert & Wassink
Quantifiable outcome
- 415 successful engineering projects completed
- +2 more outcomes
Companies that use Concreto Group
Customer profileNamed customers4 records
Segments5 records
Ideal customer profiles2 records
Concreto Group technology and API
TechnologyAPI detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Concreto Group partnerships and signals
Strategic signalScale indicators6 records
Recent moves5 records
Expansion highlights5 records
Concreto Group competitors and assessment
Company assessmentDirect peers
- Michael Page International: Michael Page is a global specialist recruitment firm focused on placing middle-to-senior management and specialist professionals — directly comparable to Siebert & Wassink's executive search practice and to Target's executive search/interim management offering.
- Heidrick & Struggles: Heidrick & Struggles is a global executive search and leadership advisory firm serving senior executives and boards — directly comparable to the senior-level executive search and leadership development focus of Siebert & Wassink.
- Brunel International: Brunel International is a Netherlands-based global specialist staffing company focused on engineering, technical, and project-based professionals — directly comparable to Ventiv Engineers and the engineering/industrial detachment services within Concreto's portfolio.
- Hays plc: Hays is a UK-listed global specialist recruitment firm with strong operations in the Netherlands, focused on professional and skilled trades placements across construction, engineering, and technology — directly comparable to Ventiv, CoBuilders, and Edison within Concreto's portfolio.
- HeadFirst Group: HeadFirst Group is a Dutch listed HR services holding that operates multiple specialist staffing brands under one corporate umbrella, providing recruitment, secondment, and payroll solutions across the Netherlands — directly comparable to Concreto's multi-label human capital platform model.
Broad incumbents
- Randstad: Randstad is the world's largest staffing company headquartered in the Netherlands, offering generalist and specialist HR services across all major verticals — a broad incumbent that competes with Concreto's portfolio brands across executive search, staffing, and HR consulting.
- Korn Ferry: Korn Ferry is a global organizational consulting firm combining executive search, talent management, and HR advisory — a broad incumbent comparable to the combined executive search and HR advisory capabilities at Siebert & Wassink within Concreto's portfolio.
- PageGroup: PageGroup is the UK-listed parent company of Michael Page, Page Executive, and other specialist recruitment brands — comparable to Concreto as a multi-label recruitment platform serving professional and executive markets across multiple geographies.
- Robert Half International: Robert Half is a global specialist staffing and consulting firm placing finance, accounting, technology, and administrative professionals — comparable to Concreto's Siebert & Wassink and HR advisory practices as a broader incumbent with specialist focus.
- YACHT (Randstad brand): YACHT is Randstad's specialist Netherlands brand for high-educated professionals in technology, engineering, and project-based environments — a broad-incumbent competitor that directly overlaps with Ventiv Engineers, Target, and CoBuilders within Concreto's portfolio.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Concreto Group social profiles
Digital presenceConcreto Group financial estimates
Financial estimateRevenue estimate
Valuation estimate
Concreto Group leadership team
Management profileNumber of profiles
Profiles9 records
Concreto Group subsidiaries and ownership
Company hierarchySubsidiaries5 records
Concreto Group funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Concreto Group M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Concreto Group
What does Concreto Group do?
Concreto Group is a Dutch human capital holding company that partners with ambitious entrepreneurs through five specialist subsidiary brands (Siebert & Wassink, Ventiv Engineers, CoBuilders, Target | the career company, and Edison). The group delivers executive search, recruitment, professional detachment/secondment, assessments, and HR advisory services, primarily serving industrial, engineering, and construction organizations. The group combines specialized brand expertise with shared back-office support to enable scale and continuity for its portfolio companies.
Is Concreto Group a public or private company?
Concreto Group is a private company. It is classified as private equity controlled and is currently operating.
When was Concreto Group founded?
Concreto Group was founded in -1. It employs 11 to 50 people.
Where is Concreto Group based?
Concreto Group is headquartered in Almelo, Netherlands, in the Europe region.
How does Concreto Group make money?
Four revenue lines are on record. Recruitment and Selection Services are the primary driver. The others are professional Detachment, assessment and Development and HR and Organization Advisory.
Who are Concreto Group's main competitors?
Direct peers on record are Michael Page International, Heidrick & Struggles, Brunel International, Hays plc and HeadFirst Group. Broad incumbents are Randstad, Korn Ferry, PageGroup, Robert Half International and YACHT (Randstad brand).
Does Concreto Group have an API?
No public API is recorded for Concreto Group.
What industry is Concreto Group in?
Concreto Group's product category is Human Capital Services. Its primary akta.pro industry code is BPACAOAC, Executive Outplacement (C-Suite & Senior Leaders), with a secondary code of BPAHAGAJ, DEI (Diversity, Equity & Inclusion) & Belonging Consulting. Its NAICS code is 551112 and its SIC code is 8742.