H+N+S Landscape Architects
H+N+S Landscape Architects is a Dutch professional services firm that delivers landscape architecture, spatial planning, and research-based design across all scales for government bodies, cultural institutions, and real estate developers in the Netherlands and Belgium.
- Company typePrivate
- Founded1990
- HeadquartersAmersfoort, Netherlands
- Headcount11–50
- GTM typeB2B
- OfferingServices
What H+N+S Landscape Architects does
H+N+S Landscape Architects (legal entity H+N+S Landschapsarchitecten B.V.) is a Dutch professional services firm specializing in landscape architecture, spatial planning, and research-based design. Founded in 1990 in Amersfoort by Dirk Sijmons and Lodewijk van Nieuwenhuijze, the firm operates with approximately 30 professionals from offices in the former Wagenwerkplaats industrial heritage site. The practice works across all scale levels, from national and regional vision plans (Tweestromenland, De Eeuwige Bron, S3H-BTK) to detailed garden designs (Naturalis Oertuin), integrating spatial design, vision development, and interdisciplinary research as a unified offering.
The firm generates revenue through project-based fees for advisory, planning, design, and research services acquired primarily through Dutch public-sector tenders, design competitions (notably the Eo Wijers prijsvraag, won four times), and direct commissions. Customer segments are concentrated in Dutch and Belgian government bodies (municipalities, provinces, RIVM, RVO), cultural institutions (Naturalis Biodiversity Center, ARTIS, museums, zoos), and to a lesser extent real estate developers and housing corporations (Heijmans, Plegt-Vos). The practice is recognized for four Eo Wijers prize wins (1985, 2015, 2020, 2023), reference publications including 'Landschappelijk Wonen' and 'Landschap en Energie', and high-profile institutional projects including a DBFMO contract role at RIVM Utrecht Science Park.
Current management consists of directors Hank van Tilborg, Nikol Dietz, and Pieter Schengenga, with both founders retained as advisors following their respective board departures in 2013 and 2015. The firm has no parent company, no external funding, no subsidiaries, and operates as an independent private limited company under Dutch law. Strategic positioning centers on water safety, climate adaptation, energy transition landscapes, heritage preservation, and nature development in the Dutch delta context, supported by long-running research partnerships with TU Delft, ECN, Ecofys, FARO Architecten, and Palmbout Urban Landscapes.
H+N+S Landscape Architects firmographics
Firmographics- Name
- H+N+S Landscape Architects
- Legal name
- H+N+S Landschapsarchitecten B.V.
- Website
- https://hnsland.nl
- Company type
- Private
- Founded year
- 1990
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- H+N+S Landscape Architects is a Dutch professional services firm that delivers landscape architecture, spatial planning, and research-based design across all scales for government bodies, cultural institutions, and real estate developers in the Netherlands and Belgium.
- Ownership category
- akta.pro rank
H+N+S Landscape Architects industry classification
Industry- Product category
- Landscape Architecture Services
- NAICS
- Landscape Architectural Services (541320)
- akta.pro primary industry
- Landscape Architecture & Site Design (BPAHAKAC)
Keywords
Where H+N+S Landscape Architects is headquartered
LocationHeadquarters
- HQ city
- Amersfoort
- HQ country
- Netherlands
- HQ region
- Europe
Offices1 record
Markets served
H+N+S Landscape Architects business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D
Revenue model
- Landscape Architecture Advisory and Design Services: H+N+S delivers advisory and design services in landscape architecture through project-based engagements. Revenue is generated through fees for design, planning, research, and consultancy services on a per-project basis. The firm operates as a professional services bureau (adviesbureau) and does not operate on a subscription or product basis.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels7 records
H+N+S Landscape Architects product offering
Product offeringCore offering
H+N+S Landscape Architects is a landscape architecture firm where spatial design, vision development, and research go hand in hand. The firm creates plans for the layout and use of outdoor space at all scale levels, working with governments, cultural institutions, and developers on projects such as regional landscape plans, park designs, and urban interventions like Tweestromenland and De Eeuwige Bron.
Product overview
H+N+S Landscape Architects operates as a unified landscape architecture practice offering spatial design, vision development, and research services. The firm's portfolio includes regional planning projects (Tweestromenland, De Eeuwige Bron), urban planning schemes (Have Halbertsma Grou, Landgoed Vlietvoorde), heritage revitalization (De Hooge Riet), and specialized garden designs (Oertuin Naturalis). Their research publications such as 'Landschappelijk Wonen' and 'Landschap en Energie' serve as industry handbooks. The practice works across all scales, from regional vision plans to detailed garden designs, with particular expertise in water management, sustainability, and heritage landscapes.
Differentiator
Problem solved
Functional benefit
Products and services
- Landscape Architecture Design Services
- Tweestromenland
- De Eeuwige Bron
- Landschappelijk Wonen
- Landschap en Energie
Quantifiable outcome
- Four Eo Wijers prijsvraag wins (1985, 2015 ex aequo, 2020 national winner, 2023 regional winner) — a unique track record in Dutch landscape architecture competitions
- +1 more outcomes
Companies that use H+N+S Landscape Architects
Customer profileNamed customers10 records
Segments3 records
Ideal customer profiles2 records
H+N+S Landscape Architects technology and API
TechnologyAPI detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
H+N+S Landscape Architects partnerships and signals
Strategic signalPartnerships
22 partnerships are on record, tiered core, major and minor.
- Palmbout Urban LandscapescoreLong-standing strategic partner on multiple projects and publications. Collaborated on Tweestromenland (Eo Wijers 2023 regional winner), the 'Landschappelijk Wonen' research book, and various regional development projects.
- Deltastad / TU DelftcoreAcademic partner on Tweestromenland project, contributing urban planning and delta technology expertise. Led by Han Meyer of TU Delft.
- Koninklijke Ginkel GroepmajorMain landscape contractor and greenspace maintenance partner for multiple projects including the Naturalis Oertuin (parking garage greening, exterior green execution) and RIVM new building (maintenance of interior and exterior greenery).
- Rots MaatwerkminorConstruction partner for the Naturalis Oertuin project.
- Diederendirrix ArchitectenminorArchitecture firm involved in the De Hooge Riet redevelopment project in Ermelo, working alongside H+N+S on the residential conversion of the former sanatorium complex.
- Hylkema ErfgoedminorHeritage consultant on the De Hooge Riet redevelopment, ensuring compliance with monumental building regulations.
- Jacqueline van der KloetminorPlanting design expert collaborating on the De Hooge Riet project for planting plans in the gardens.
- Neutelings Riedijk ArchitectenmajorArchitect firm that designed the Naturalis museum expansion and the adjacent parking garage. H+N+S designed the green elements of the garage (facade climbers, tree planting on 3rd and 6th floors) and the Oertuin.
- Atelier FrontminorArchitecture firm co-designing the redevelopment of Duivenhuis and Moeflonstal in ARTIS park, including the wooden pergola design.
- Salverda BouwminorConstruction partner for the ARTIS Duivenhuis redevelopment.
- STRUKTONminorConstruction partner for the RIVM new building project, under a DBFMO (Design, Build, Finance, Maintain, Operate) contract.
- MEETminorMain contractor for the RIVM new building project, also responsible for ongoing maintenance under the DBFMO contract.
- FARO ArchitectencoreLong-standing collaborative partner on landscape residential research, including the 'Landschappelijk Wonen' book (2009-2012) and the upcoming 'Landschappelijk Wonen 2.0' research initiative.
- SmitsRinsma adviseursminorAdvisory partner on the 'Landschappelijk Wonen' research project.
- TU DelftcoreAcademic research partner on the 'Landschap en Energie' publication (2012-2014), exploring the spatial impact of energy transition across European regions.
- ECN (Energy research Centre of the Netherlands)coreEnergy research partner on the 'Landschap en Energie' publication, providing technical energy expertise.
- De Zwarte HondminorArchitecture and urban planning firm, co-designing the Have Halbertsma masterplan in Grou alongside H+N+S.
- Penta ArchitectenminorArchitecture firm co-designing the Have Halbertsma project in Grou with H+N+S.
- SchagenminorArchitecture firm for the ARTIS Aquarium renovation and Salmplein project.
- Eo Wijers StichtingmajorOrganizer of the prestigious Eo Wijers design competition, which H+N+S has won multiple times (1985, 2015 ex aequo, 2020, 2023).
- EcofyscoreEnergy consultancy partner on the 'Energie en Ondergrond' (Energy and Subsurface) research project (2015), exploring underground spatial planning for energy transition.
- Paiva ProjectontwikkelingmajorDeveloper client commissioning the Have Halbertsma masterplan in Grou.
Scale indicators2 records
Recent moves6 records
Expansion highlights5 records
H+N+S Landscape Architects competitors and assessment
Company assessmentDirect peers
- Karres en Brands: Karres en Brands is a Dutch landscape architecture and urban design practice with a comparable multi-scale approach (from regional visioning to detailed public space design) and similar public/private client mix, making it a direct competitor for Dutch tenders.
- DS Landschapsarchitecten: DS Landschapsarchitecten is a Dutch landscape architecture firm with a comparable focus on public space, parks, and integrated landscape design. It operates in the same Dutch market with a similar boutique-professional-services model.
- OKRA Landschapsarchitecten: OKRA is a Dutch landscape architecture firm comparable in size and focus, working on public space, urban landscape, and regional planning projects across the Netherlands. It competes directly with H+N+S for public-sector and developer commissions.
- West 8: West 8 is a leading Dutch landscape architecture and urban design firm based in Rotterdam with a similar scale and international profile. It directly competes with H+N+S for prestigious Dutch and European landscape commissions and shares the design-competition-driven positioning.
- PosadMaxwan: PosadMaxwan is a Dutch spatial design firm combining landscape architecture and urban planning. It competes with H+N+S on Dutch regional visioning, climate adaptation, and energy transition landscape projects.
- Buro Lubbers: Buro Lubbers is a Dutch landscape architecture firm working across landscape design, urban greening, and heritage projects. It is comparable in size and competes for similar Dutch public-sector and cultural institution commissions.
- LOLA Landscape Architects: LOLA is a Dutch landscape architecture firm known for research-led, competition-winning landscape work. It shares H+N+S's positioning in research-driven design and competes for the same high-prestige public and cultural commissions.
Broad incumbents
- SWECO: SWECO is a large European engineering and design consultancy with a significant Dutch landscape and urban design practice. It competes for larger Dutch landscape commissions but operates as a broad incumbent rather than a boutique specialist.
- Arcadis: Arcadis is a global design and consultancy firm with a strong Dutch landscape and urbanism presence. It competes for major Dutch public-sector commissions as a broad incumbent, with much larger scale than H+N+S.
- Witteveen+Bos: Witteveen+Bos is a Dutch engineering and consulting firm with landscape, water, and spatial planning capabilities. It competes with H+N+S on water safety, delta, and infrastructure-related landscape commissions, but as a broad engineering incumbent.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat3 records
Customer concentration
H+N+S Landscape Architects social profiles
Digital presenceH+N+S Landscape Architects financial estimates
Financial estimateRevenue estimate
Valuation estimate
H+N+S Landscape Architects leadership team
Management profileNumber of profiles
Profiles5 records
H+N+S Landscape Architects funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
H+N+S Landscape Architects 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 H+N+S Landscape Architects
What does H+N+S Landscape Architects do?
H+N+S Landscape Architects is a landscape architecture firm where spatial design, vision development, and research go hand in hand. The firm creates plans for the layout and use of outdoor space at all scale levels, working with governments, cultural institutions, and developers on projects such as regional landscape plans, park designs, and urban interventions like Tweestromenland and De Eeuwige Bron.
Is H+N+S Landscape Architects a public or private company?
H+N+S Landscape Architects is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was H+N+S Landscape Architects founded?
H+N+S Landscape Architects was founded in 1990. It employs 11 to 50 people.
Where is H+N+S Landscape Architects based?
H+N+S Landscape Architects is headquartered in Amersfoort, Netherlands, in the Europe region.
How does H+N+S Landscape Architects make money?
One revenue line is on record: landscape Architecture Advisory and Design Services.
Who are H+N+S Landscape Architects's main competitors?
Direct peers on record are Karres en Brands, DS Landschapsarchitecten, OKRA Landschapsarchitecten, West 8, PosadMaxwan, Buro Lubbers and LOLA Landscape Architects. Broad incumbents are SWECO, Arcadis and Witteveen+Bos.
Does H+N+S Landscape Architects have an API?
No public API is recorded for H+N+S Landscape Architects.
What industry is H+N+S Landscape Architects in?
H+N+S Landscape Architects's product category is Landscape Architecture Services. Its primary akta.pro industry code is BPAHAKAC, Landscape Architecture & Site Design. Its NAICS code is 541320.