Oosterhoff
Oosterhoff is a Dutch multidisciplinary architecture, engineering, and consultancy group that employs more than 600 professionals across 15 independent bureaus, delivering design, advisory, and engineering services for residential, commercial, healthcare, education, and infrastructure projects, primarily in the Netherlands with extensions into Germany and Belgium.
- Company typePrivate
- Founded1953
- HeadquartersVelp, Netherlands
- Headcount501–1,000
- GTM typeB2B
- OfferingServices
What Oosterhoff does
Oosterhoff is a Dutch multidisciplinary architecture, engineering, and consultancy group serving the built environment, headquartered in Velp, Netherlands, with origins tracing to 1953. The firm employs more than 600 designers, advisors, engineers, makers, and facilitators organized across 15 independent bureaus that operate under a unified corporate vision; named sub-brands include ABT, bbn, Circlewood, Databuilt, Meelis Partners, Luning, ABT-Wassenaar, ptg-advies, Urban Physics, Van de Laar, Huygen Los Groot, and RVL3Q. Service scope spans residential, commercial, healthcare, education, public, and infrastructure projects, with stated emphasis on early integration of construction, installation, sustainability, cost, and process disciplines.
The firm's core offerings are professional services engagements in architecture, engineering, consulting, and construction advisory, anchored by two proprietary frameworks: Plan O, a sustainability program structured around six themes (Energy, Water, Materials, Ecology, Health & Comfort, and Social), and Quake, an innovation platform for identifying and applying emerging opportunities in the built environment. Two of the 15 bureaus—ABT-DE and ABT-BE—signal cross-border service delivery into Germany and Belgium, while the remaining bureaus are positioned primarily in the Dutch market.
The business model is sales-led and project-based, with work priced on a custom per-engagement basis tied to scope rather than recurring subscriptions. Customers span institutional and private developers, healthcare operators, education authorities, and infrastructure clients across multiple sectors, with no single named anchor account disclosed in the source material. There is no public reporting of revenue, backlog, pricing, or partner economics, and the firm is privately held.
Oosterhoff firmographics
Firmographics- Name
- Oosterhoff
- Legal name
- Oosterhoff
- Website
- https://oosterhoffgroup.eu
- Company type
- Private
- Founded year
- 1953
- Operating status
- Operating
- Headcount range
- 501–1,000 employees
- Short description
- Oosterhoff is a Dutch multidisciplinary architecture, engineering, and consultancy group that employs more than 600 professionals across 15 independent bureaus, delivering design, advisory, and engineering services for residential, commercial, healthcare, education, and infrastructure projects, primarily in the Netherlands with extensions into Germany and Belgium.
- Ownership category
- akta.pro rank
Oosterhoff industry classification
Industry- Product category
- Architecture & Engineering Services
- NAICS
- Architectural, Engineering, and Related Services (5413), Engineering Services (541330)
- SIC
- Services-Engineering Services (8711)
- akta.pro primary industry
- ADU Design, Architecture & Engineering (HSAPAMAF)
Keywords
Where Oosterhoff is headquartered
LocationHeadquarters
- HQ city
- Velp
- HQ country
- Netherlands
- HQ region
- Europe
Offices1 record
Markets served
Oosterhoff business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Others
Revenue model
- Engineering and Design Consultancy Services: Professional services revenue from multi-disciplinary engineering, design, and advisory services for the built environment. Projects span from concept to realization, covering residential, commercial, healthcare, educational, and infrastructure sectors.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels1 record
Oosterhoff product offering
Product offeringCore offering
Oosterhoff is a multi-disciplinary architecture and engineering consultancy delivering integrated design, construction, installation technology, sustainability, cost, and process advisory services for the built environment. With over 600 designers, advisors, engineers, makers, and facilitators operating across 15 independent bureaus, the firm serves residential, commercial, healthcare, educational, and infrastructure projects from concept through realization.
Product overview
Oosterhoff is an integrated architecture and engineering consultancy operating through multiple independent bureaus. The company offers design, engineering, consulting, and construction services for residential, commercial, educational, healthcare, and infrastructure projects. The portfolio includes Plan O (a sustainability framework addressing six environmental themes) and Quake (an innovation platform for identifying new opportunities), alongside core services in architecture, construction, installation technology, cost management, and process optimization. With over 600 professionals working across 15 bureaus, the firm delivers solutions from concept to realization.
Differentiator
Problem solved
Functional benefit
Products and services
- Plan O Sustainability framework that translates environmental responsibility into six concrete themes — Energy, Water, Materials, Ecology, Health & Comfort, and Social — applied across client projects in the built environment.
- Quake Innovation identification tool that helps clients and the firm identify new opportunities and apply innovations with direct effect, enabling future-proof decisions in a rapidly changing world.
- Multi-disciplinary Engineering and Design Consultancy Integrated design, engineering, and advisory services spanning architecture, structural construction, installation technology, cost management, and process optimization for residential, office, healthcare, education, meeting, and infrastructure projects.
Companies that use Oosterhoff
Customer profileSegments1 record
Ideal customer profiles1 record
Oosterhoff technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature2 records
Oosterhoff partnerships and signals
Strategic signalScale indicators3 records
Recent moves5 records
Expansion highlights5 records
Oosterhoff competitors and assessment
Company assessmentBroad incumbents
- WSP: Global professional services firm in engineering and design with an active Dutch practice. Larger and broader than Oosterhoff, but directly competing for integrated design, structural, and sustainability mandates in the Netherlands.
- Arup: Global engineering and design consultancy known for high-profile built-environment projects and sustainability thought leadership. Competes with Oosterhoff on signature Dutch buildings and infrastructure advisory.
- Buro Happold: International engineering consultancy specializing in structural, MEP, and sustainability engineering for buildings. Comparable to Oosterhoff's ABT and Urban Physics sub-brands on technically demanding Dutch projects.
- Mott MacDonald: Global engineering, management, and development consultancy with Dutch infrastructure and buildings presence. Competes with Oosterhoff on integrated multi-disciplinary built-environment assignments.
Direct peers
- Ramboll: Denmark-based global engineering, architecture, and consultancy firm with significant Dutch operations. Comparable multi-disciplinary design and engineering consulting for buildings, transport, and sustainability-driven projects.
- Sweco: European engineering, design, and consultancy firm with strong Benelux presence. Comparable multi-disciplinary built-environment practice and similar sustainability-led advisory positioning as Oosterhoff.
- Arcadis: Amsterdam-headquartered global design, engineering, and consultancy firm serving the built environment. Comparable to Oosterhoff in Dutch origin, multi-disciplinary scope, and emphasis on sustainability advisory in addition to traditional design services.
- Royal HaskoningDHV: Dutch-headquartered international engineering and project management consultancy with deep multi-disciplinary practice across buildings, infrastructure, and water. Directly comparable to Oosterhoff in Dutch market positioning, scale, and integrated design-plus-engineering delivery model.
Regional players
- Royal BAM Group: Dutch construction and engineering group with in-house design capability and significant overlap in the Dutch built-environment value chain. Adjacent to Oosterhoff as both a potential client and a vertically integrated competitor for design-build work.
- Heijmans: Dutch construction, real estate, and infrastructure company that buys design and engineering services from firms like Oosterhoff. Comparable as a Dutch-headquartered built-environment player and potential client rather than direct consulting competitor.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat3 records
Key risks5 records
Key highlights6 records
Customer concentration
Oosterhoff social profiles
Digital presenceOosterhoff financial estimates
Financial estimateRevenue estimate
Valuation estimate
Oosterhoff leadership team
Management profileNumber of profiles
Oosterhoff subsidiaries and ownership
Company hierarchySubsidiaries14 records
Oosterhoff funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Oosterhoff 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 Oosterhoff
What does Oosterhoff do?
Oosterhoff is a multi-disciplinary architecture and engineering consultancy delivering integrated design, construction, installation technology, sustainability, cost, and process advisory services for the built environment. With over 600 designers, advisors, engineers, makers, and facilitators operating across 15 independent bureaus, the firm serves residential, commercial, healthcare, educational, and infrastructure projects from concept through realization.
Is Oosterhoff a public or private company?
Oosterhoff is a private company. It is classified as unknown and is currently operating.
When was Oosterhoff founded?
Oosterhoff was founded in 1953. It employs 501 to 1,000 people.
Where is Oosterhoff based?
Oosterhoff is headquartered in Velp, Netherlands, in the Europe region.
How does Oosterhoff make money?
One revenue line is on record: engineering and Design Consultancy Services.
Who are Oosterhoff's main competitors?
Broad incumbents on record are WSP, Arup, Buro Happold and Mott MacDonald. Direct peers are Ramboll, Sweco, Arcadis and Royal HaskoningDHV. Regional players are Royal BAM Group and Heijmans.
Does Oosterhoff have an API?
No public API is recorded for Oosterhoff.
What industry is Oosterhoff in?
Oosterhoff's product category is Architecture & Engineering Services. Its primary akta.pro industry code is HSAPAMAF, ADU Design, Architecture & Engineering. Its NAICS code is 5413 and its SIC code is 8711.