What Valstar Simonis does

Valstar Simonis is a private Dutch consultancy and engineering firm founded in 1948 and headquartered in The Hague, Netherlands. According to the firm's own positioning, it specializes in four intersecting practice areas for the built environment: circularity, sustainability, comfort, and safety in buildings. The firm operates with a headcount of 51-100 employees, placing it in the mid-sized category for Dutch engineering consultancies, and serves clients through its website at valstar-simonis.nl.

As an engineering consultancy, the firm's commercial offering is built on professional services rather than packaged products. Its revenue mechanics would typically derive from project-based consulting fees, feasibility studies, design and engineering assignments, and advisory mandates related to sustainable and safe building performance — though specific pricing models, contract structures, and customer segments are not disclosed in the available data. The underlying technology stack, proprietary tools, and detailed product/service breakdown are also not documented in the supplied input, which limits the depth of any technical assessment.

No information is available in the input on funding history, ownership structure, partnerships, customer logos, geographic footprint beyond the Netherlands headquarters, leadership team, recent strategic moves, certifications, or AI/data capabilities. Consequently, while the firm's positioning in a structurally growing sustainability-and-circularity segment of the Dutch built environment suggests a defensible niche, the absence of granular operational and financial data constrains any deeper analytical conclusions.

Name

Valstar Simonis

Website

https://valstar-simonis.nl

Company type

Private

Founded year

1948

Headcount range

51–100 employees

Short description

Valstar Simonis is a Dutch building engineering consultancy founded in 1948 and headquartered in The Hague, advising clients on circularity, sustainability, comfort, and safety in buildings.

Ownership category

akta.pro rank

Headquarters

HQ city

The Hague

HQ country

Netherlands

HQ region

Europe

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Core offering

Valstar Simonis is a consultancy and engineering firm that delivers specialized advisory and design services for buildings, covering circularity, sustainability, occupant comfort, and safety. The firm supports clients across new construction, renovation, and existing-building performance with engineering studies, simulations, design specifications, and compliance assessments. Its work enables building owners, developers, architects, and contractors to design, certify, and operate buildings that meet regulatory, sustainability, and performance objectives.

Product overview

No product information available for Valstar Simonis in the provided source data.

Differentiator

Problem solved

Functional benefit

Products and services

• Building Sustainability & Circularity Consultancy Advisory and assessment services that help building owners, developers, architects, and contractors design, certify, and operate buildings meeting sustainability and circularity objectives, including circular material use, life-cycle thinking, and ESG/regulatory compliance for Dutch and EU frameworks.
• Building Comfort Engineering Engineering studies and design support focused on indoor environmental quality—thermal, acoustic, visual comfort, and indoor air quality—for new construction, renovation, and existing buildings serving occupants, tenants, and operators.
• Building Safety Engineering (Fire & Life Safety) Fire and life-safety engineering services for buildings, including risk assessments, code-compliance design support, and specialist safety advice for owners, developers, architects, and contractors delivering complex or high-occupancy assets.
• MEP / Building Physics Engineering Mechanical, electrical, plumbing, and building-physics engineering support across new construction, renovation, and existing-building portfolios, including simulations, design specifications, and performance assessments for building owners, developers, architects, and contractors.

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Recent moves1 record

Direct peers

• Arcadis: Amsterdam-based global design and consultancy firm with a major sustainability and buildings practice, competing for the same Dutch institutional, public-sector, and real estate clients as Valstar Simonis.
• Sweco: Stockholm-headquartered engineering, design, and sustainability consultancy with a strong Dutch practice offering building installations and sustainable building advisory — directly comparable services and customer base to Valstar Simonis.
• Royal HaskoningDHV: Dutch engineering consultancy with deep buildings, sustainability, and asset advisory practices serving similar municipal, developer, and corporate clients across the Netherlands.
• DGMR: Dutch specialist consultancy in acoustics, building physics, fire safety, and sustainability — a particularly close peer given Valstar Simonis' emphasis on comfort, safety, and sustainability in buildings.
• Ramboll: Denmark-based engineering consultancy with strong sustainability positioning and a sizeable Dutch buildings practice, competing for the same sustainability- and comfort-led mandates.
• Witteveen+Bos: Dutch engineering and consulting firm active in sustainable buildings, infrastructure, and circular design, serving overlapping public and private clients in the Netherlands.
• Tauw: Dutch engineering and consultancy firm with strong sustainability, circularity, and building environment practices — a comparable mid-sized domestic peer.
• Deerns: Dutch building installations and MEP engineering consultancy focused on sustainable, comfortable, and safe buildings — overlapping service mix and target clients with Valstar Simonis.

Broad incumbents

• WSP: Global engineering professional services firm with a significant Dutch presence across buildings and environment, serving as a larger incumbent that competes for mid- and large-scale Dutch engagements.
• Arup: Global engineering and design firm with sustainability-led buildings advisory and Dutch project presence, competing for higher-complexity mandates where Valstar Simonis may also bid.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat2 records

Key risks4 records

Key highlights4 records

Customer concentration

• LinkedInlinkedin.com/company/valstar-simonis

Revenue estimate

Valuation estimate

Number of profiles

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 Valstar Simonis