About Allsum - Independent Engineering experts for agrifood innovation
Allsum, meet the team
At Allsum, it is all about people. The company is a family-owned engineering consultancy, dedicated to creating practical solutions and helping the agrifood sector innovate. Every project is driven by hands-on expertise, careful planning, and a commitment to delivering real results for food producers and farmers.
The Van der knijff brothers - independent engineering in agrifood
Allsum was founded and is still run by the Van der Knijff brothers: Arie, Gerard, and Sander. Together, they bring over 100 years of combined experience in engineering, automation, and technical project management.
As an engineering firm in agrifood, they combine practical, hands-on work with strategic planning to ensure every project runs smoothly from start to finish. Being an independent engineering consultancy allows Allsum to focus on solutions that truly make a difference, guiding projects with precision while staying flexible to the specific needs of each client. Food producers, farmers and international partners trust Allsum for innovative, reliable engineering solutions that deliver measurable impact.
Allsum - our story
the roots of allsum - a history of agrifood engineering
The roots of Allsum go back to the 1980s, when Arie Van der Knijff started his own machine construction company. From the start, the focus was on delivering practical, reliable solutions for the agrifood sector.
Early projects developed technical skills and built a deep understanding of food producers and farmers’ needs. This experience laid the foundation for Allsum as an independent engineering consultancy that combines hands-on expertise with strategic insight.
International Expansion Across Five Continents
In the 1990s, the company expanded internationally, completing projects across five continents. Working globally strengthened the team’s ability to adapt engineering solutions to diverse agrifood practices and regulatory environments.
This international experience helped Allsum grow into a trusted engineering firm in agrifood, capable of managing complex technical projects. Clients worldwide rely on their technical project management skills and practical approach to ensure successful outcomes.
Officially founded in 2019, partner-run since 2021
Allsum was formally founded in 2019 and has been fully partner-run since 2021. This structure allows the Van der Knijff brothers to personally oversee projects, ensuring hands-on, expert-led engineering solutions.
As an independent engineering consultancy, Allsum combines flexibility with technical precision, delivering projects that meet both practical and strategic goals. Clients benefit from close collaboration with experienced engineers at every step.
Expertise from Machine Development to Large-Scale Installations
Allsum offers expertise that spans precise machine development, large-scale installations, and international consulting. This broad experience enables the engineering firm in agrifood to provide complete solutions, from concept to operation.
Their focus on technical project management ensures projects are delivered efficiently, reliably, and with lasting impact. Whether for local farms or global food producers, Allsum applies its knowledge to drive innovation and improve performance across the agrifood sector.
Our Roots and Industry Knowledge
Engineering for Onion Processing
Allsum has a strong foundation in the agricultural sector, with particular expertise in onion and potato processing. This experience allows the team to understand the specific challenges and requirements of root crop handling and storage.
By combining practical engineering skills with innovative solutions, Allsum helps clients improve efficiency, reduce waste, and increase product quality. Farmers and producers trust Allsum to deliver reliable, hands-on engineering solutions tailored to their agrifood operations.
Agricultural Automation Expertise
Our team possesses deep knowledge of production environments, ensuring the practical and efficient implementation of automation solutions. From automated sorting and grading systems to fully integrated processing lines, Allsum provides technical project management that keeps projects on time and within scope.
This expertise allows clients to optimize their production processes while maintaining high standards of safety and quality. By applying a hands-on approach, Allsum ensures that automation systems are both effective and easy to operate for agrifood businesses.
Agri-Processing Project Consultancy
Allsum balances function, efficiency, and compliance in every project, delivering comprehensive agri-processing project consultancy. The team integrates energy-efficient designs, ergonomic considerations, and technical precision to create machines and production lines that perform reliably.
Our approach combines engineering insight with practical problem-solving, ensuring projects meet both operational and strategic goals. Clients benefit from a consultancy that understands the agrifood sector and provides solutions that improve productivity and support long-term growth.
Engineering and Smart Automation for the Agrifood Industry by Allsum
Technical Project Management in Agri-Automation
Allsum provides agri-automation project consultancy combined with hands-on technical project management to ensure smooth and successful execution. We guide every stage with precision, keeping projects on time and within budget. Clients benefit from our practical expertise, reducing risks and improving outcomes in agrifood automation.
Engineering Support from Concept to Implementation
Our team offers independent engineering guidance through every project phase, from initial concept to full implementation. We focus on practical, effective solutions that meet both operational and strategic goals. This ensures agrifood projects run efficiently while delivering lasting impact.
CAD Engineering for the Agrifood Sector
Using CAD design, strength calculations, and simulations, Allsum delivers precise and reliable engineering solutions for agrifood projects. Our technical expertise ensures machines and production lines perform safely and efficiently. Clients can trust our engineering work to optimize both performance and longevity.
On-Site Supervision and Installation Support
Allsum oversees production and installation with technical expertise, ensuring quality and efficiency at every step. On-site supervision allows us to quickly resolve issues and guarantee smooth project delivery. This hands-on approach helps clients maintain high operational standards.
Onion Machinery Parts Supply
Through our Parts Store, we provide spare parts for onion machinery and trusted partner machines, ensuring continuity for agrifood businesses. Fast access to high-quality parts reduces downtime and keeps production running smoothly. Clients rely on Allsum for practical solutions that support long-term operational success.
How we work
Project-Based Engineering Support
Allsum begins every project by understanding the client’s challenges and goals, forming the foundation for tailored project-based engineering support. This ensures that solutions are practical, effective, and aligned with the specific needs of agrifood operations. Clients benefit from a structured approach that combines technical expertise with hands-on guidance.
From Ideas to Mechanical Design and Implementation
We translate concepts into practical engineering solutions, covering mechanical design, simulations, and full implementation. By connecting early-stage ideas to real-world production, Allsum ensures that projects are both innovative and reliable. Our comprehensive approach allows clients to bring new machinery and systems to life efficiently.
Clear and Open Communication
Transparent communication is central to every stage of our projects, keeping clients fully informed and engaged. This open approach allows for quick decision-making and ensures alignment with project objectives. Clients experience a smooth process with fewer surprises and better outcomes.
Client-Focused Technical Project Delivery
Allsum’s involvement is flexible, from single components to complete system development, always ensuring client-focused technical project delivery. We prioritize practical solutions, timely execution, and measurable results. By keeping the client at the center, Allsum delivers projects that meet both operational and strategic goals.
our mission
Value-Based Engineering Support for Agrifood Companies
Allsum’s mission is to support agrifood companies with thoughtful, value-driven technical project management that creates lasting impact. We focus on building efficient, reliable, and future-ready engineering solutions. Every project is designed to add real value and thus helping clients strengthen their operations and achieve long-term growth.
Technical Consultancy in the Agrifood Industry
We help clients define what truly matters for their business and guide them with clear, practical steps based on deep agrifood engineering expertise. Our independent technical consultancy bridges strategy and execution, ensuring every decision supports real-world performance. With Allsum, companies gain a trusted engineering partner who understands their challenges and goals.
Project Support and Engineering with an Investor’s Perspective
Allsum approaches project support and engineering in the agrifood sector with an investor’s mindset, focussing on sustainable growth and measurable return on investment. We balance innovation with practicality, ensuring every solution is both efficient and financially sound. This perspective helps clients make confident, future-proof decisions that strengthen their business.
our vision
Managing Complexity in the Agrifood Sector
The agrifood sector is becoming increasingly complex, driven by rapid technological change and rising sustainability demands. Allsum’s vision is to bring clarity, structure, and technical direction to this evolving industry. With deep sector knowledge, we help clients navigate complexity and make confident decisions that drive long-term success.
More Than Machinery: Managing Complexity in Agri-Automation Projects
Modern agri-automation projects require more than machinery or supplier input, they need strategic oversight and independent expertise. Allsum combines technical project management with a broad industry perspective to ensure every project aligns with operational goals and future needs.
Our approach helps clients manage complexity while keeping innovation practical and achievable.
Independent Engineering for Agrifood Success
As an independent engineering consultancy, Allsum focuses entirely on the client’s long-term success. We provide objective, expert support that connects technical decisions to business strategy. This independence allows us to deliver honest advice, effective solutions, and reliable technical project management for the agrifood industry.
Risk Reduction in Agrifood Investment Projects
Allsum helps minimize technical, financial, and legal risks through structured project management and clear communication. Our experience in agrifood engineering enables us to identify challenges early and manage them proactively. By combining independent insight with practical know-how, we ensure every investment project is delivered with confidence and control.
Why Clients Choose Allsum
Trusted Engineering Partner in Agrifood
Allsum provides independent engineering advice with no hidden agenda or supplier bias. This objectivity has earned us a reputation as a trusted engineering partner in the agrifood industry. Clients value our honesty, technical expertise, and focus on real results.
Independent Machine Consultancy
With decades of hands-on and strategic experience, Allsum delivers objective insights and tailored solutions as an independent machine consultancy. Our independence ensures that every recommendation serves the client’s best interests. We help agrifood companies make confident, informed technical decisions.
Combining Technical Insight with Business Sense
Allsum combines strong technical insight with a clear understanding of business goals. This balance ensures that engineering solutions are not only technically sound but also practical and results-driven. Clients benefit from solutions that improve efficiency, performance, and return on investment.
Open Communication and a Personal Approach
We believe that transparent communication and a personal approach will lead to better collaboration and end-results. Clients stay fully informed throughout every project, from initial concept to final delivery. This openness builds trust and ensures smooth, effective teamwork.
Long-Term Engineering Collaboration
Allsum focuses on building lasting engineering partnerships based on reliability and shared success. We support clients with sustainable, future-proof solutions that grow with their business. Our long-term collaboration approach ensures continuity, consistency, and ongoing technical improvement.
