dinsdag.

What dinsdag. does

Dinsdag. (legal name Bureau Dinsdag) is a privately held Dutch consultancy founded in 2022 and headquartered at Tussen de Bogen 52, 1013 JB Amsterdam, Netherlands. The firm advises and trains organisations on building socially and psychologically safe workplaces, with particular focus on inclusion, handling inappropriate behaviour, aggression management, and structured aftercare. Its core delivery is organised around a proprietary integrated four-pillar methodology covering safe working climate, risk identification and prevention, de-escalating response, and follow-up/aftercare, supported by specialist training services such as team social-safety training, bystander-intervention training, and the Complete Aggressie Aanpak (CAA) packaged solution for the youth-care vertical.

The firm delivers services through a multidisciplinary team of advisors, developers, trainers and actors, augmented by a flexible pool of specialist partners. Delivery is practice-based, drawing on organisational development and behavioural science, and engagements are tailored to each client's vision, ambitions, core values and existing policy frameworks rather than standardised off-the-shelf programmes.

Revenue is generated through professional advisory and consultancy engagements, training programmes, and bespoke organisational development projects on a project-based, quote-based model; pricing is not publicly disclosed. The go-to-market is sales-assisted and exclusively domestic within the Netherlands, targeting organisations in healthcare, youth care, government and education. Lead conversion runs through an expert-consultation CTA on the firm's website, supported by a content knowledge bank and project case studies. Headcount is stated at 1–10 employees, and no funding rounds, M&A activity, partnerships, awards, or AI/technology capabilities are disclosed in available data.

Name

dinsdag.

Legal name

Bureau Dinsdag

Website

https://dinsdag.nl

Company type

Private

Founded year

2022

Operating status

Operating

Headcount range

1–10 employees

Short description

Dinsdag. (Bureau Dinsdag) is a Dutch consultancy founded in 2022 that advises and trains organisations in healthcare, youth care, government and education on social and psychological safety, inclusion, and handling inappropriate workplace behaviour, using an integrated four-pillar methodology.

Ownership category

akta.pro rank

Product category

Management Consulting (Social and Psychological Safety)

SIC

Services-Management Consulting Services (8742)

akta.pro primary industry

HR Policy, Governance, Compliance & Risk Advisory (BPACAJAF)

Keywords

• Social safety consulting
• Psychological workplace safety
• Aggression management training
• Bystander intervention training
• Behavioral change advisory

Headquarters

HQ city

Klein Amsterdam

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales

Revenue model

1. Advisory and Consultancy Services: Bureau Dinsdag generates revenue through professional advisory engagements, organisational consulting, and training programmes delivered to client organisations. They work on projects tailored to each organisation's vision, values, and existing policies, suggesting project-based and retainer-style engagements rather than standardised product licensing.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Bureau Dinsdag provides advisory and consulting services focused on social and psychological safety in the workplace, structured around a four-pillar approach covering safe working, risk prevention, de-escalation, and aftercare. The firm also delivers targeted training programs (social safety for teams, bystander intervention) and the Complete Agressie Aanpak (CAA) for aggression management in youth care.

Product overview

Bureau Dinsdag offers an integrated four-pillar approach to creating socially safe work environments. The core offering consists of: (1) Social and psychological safety at work, (2) Risk assessment and prevention, (3) De-escalation techniques and safe handling, and (4) Follow-up procedures and aftercare. These pillars are supported by specialized training services including team social safety training, bystander intervention training, and the Complete Aggression Approach (CAA) for youth care. The company provides advisory services, training programs, and organizational development solutions delivered by a team of advisors, developers, trainers, and actors who translate organizational development and behavioral science into practice.

Differentiator

Problem solved

Functional benefit

Products and services

• Advisory and consultancy engagements on social and psychological safety

Quantifiable outcome

• More work enjoyment, better collaboration, lower absenteeism, and reduced turnover — though specific quantitative targets are not disclosed.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Scale indicators1 record

Recent moves4 records

Expansion highlights3 records

Direct peers

• Great Place to Work Nederland: Great Place to Work Netherlands certifies and consults on workplace culture, trust, and inclusion for Dutch employers. It is comparable because it sells culture-and-safety advisory and assessment services to the same Dutch HR buyers evaluating social-safety investments.
• GITP: GITP is a Dutch HR and behavioral-science consultancy specializing in assessment, leadership development, and organizational change. It overlaps directly with Bureau Dinsdag's focus on translating behavioral science into workplace practice and serves similar Dutch HR buyer personas.
• Berenschot: Berenschot is a large Dutch management consultancy with a strong HR, organizational development, and public-sector practice. It is comparable to Bureau Dinsdag because it advises Dutch organizations on people, culture, and change topics, often competing for the same HR and social-safety mandates in healthcare, government, and education.
• Leeuwendaal: Leeuwendaal is a Dutch consultancy focused on HR, leadership, and organizational development in the public sector, healthcare, and education. It is a direct peer because it competes for the same social-safety, behavior, and culture mandates across Dutch semi-public and public organizations.
• Effectory: Effectory is a Dutch employee-listening and engagement consultancy that helps organizations improve workplace culture and behavior. It overlaps with Bureau Dinsdag in driving safer, healthier, and more inclusive Dutch work environments, often addressing absenteeism and retention outcomes.
• Andersson Elffers Felix: AEF is a Dutch consultancy advising public and semi-public organizations on organizational development, safety, and complex change. It is comparable because it addresses social-safety, behavior, and culture topics inside Dutch healthcare, government, and education — Bureau Dinsdag's core verticals.
• VODW (Conclusion): VODW, part of Conclusion, is a Dutch consultancy focused on customer experience, employee experience, and organizational change. It is a peer because it competes for culture, behavior, and engagement mandates inside Dutch organizations with broader-scale delivery capacity than Bureau Dinsdag.
• Quint (organisatieadvies): Quint is a Dutch organizational-change consultancy with a strong presence in healthcare, youth care, and education. It is comparable because it advises on culture, behavior, and change in exactly the same Dutch verticals where Bureau Dinsdag sells social-safety and aggression-management programs.

Others

• Kiwa Nederland: Kiwa is a Dutch testing, inspection, and certification body active in social-safety, HR, and management-system certifications. It is an adjacent peer because Dutch organizations sometimes pair Kiwa certifications with Bureau Dinsdag's social-safety advisory, though their core offerings are certification rather than advisory.

Emerging players

• MindGym: MindGym is a workplace performance consultancy delivering behavior-change programs to global enterprises. It is comparable because it applies behavioral science to workplace culture, inclusion, and people-leadership outcomes — the same domain Bureau Dinsdag addresses, though at a much larger international scale.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks2 records

Key highlights5 records

Customer concentration

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 dinsdag.