About Us

YonSen Group is a globally connected company with Danish ownership and a strong Filipino presence.

We deliver value through reliable services, high business integrity, global outreach and local presence.

With trusted partners in Denmark, Philippines, UK, Canada, Turkey, and Thailand, we are offer skilled support for your needs.

What We’re Offering

We provide expertise in:

CAD Drafting & Technical Drawing

We provide accurate CAD drafting support for engineering, construction, architecture, and planning projects.

Services include:

• 2D CAD drawings
• Digitisation of sketches, PDFs, and scanned drawings
• Floor plans and layout drawings
• As-built drawings
• Technical details and construction drawings
• Drawing clean-up and standardisation

3D Modelling & Visualisation

We help transform ideas, drawings, and concepts into clear visual material.

Services include:

• 3D building models
• Simple architectural renderings
• 3D project visualisations
• Floor plan visualisations for sales material
• Existing building model updates

Civil Engineering Design Support

We support civil engineering companies with reliable technical production and design assistance.

Services include:

• Road and site layout support
• Drainage layout design
• Earthworks and grading support
• Quantity take-offs
• Design documentation
• Technical report support

Hydrology, Drainage & Flood Risk

We offer specialist support within water management, flood risk, and drainage design, backed by more than 20 years of experience.

Services include:

• Hydrological analysis
• Flood risk screening
• Drainage design support
• Stormwater management
• Climate adaptation studies
• Nature-based solution concepts
• Hydraulic modelling support

Hydraulic & Simulation Modelling

We can support advanced modelling tasks using professional and project-specific software.

Relevant tools include:

• HEC-RAS
• SWMM
• Bentley SewerGEMS
• Civil 3D drainage tools
• GIS-based hydrological analysis
• Other tailor-suited modelling software

GIS & Mapping Services

We support projects where spatial data, mapping, and analysis are needed.

Services include:

• GIS mapping
• Catchment analysis
• Flood mapping
• Drainage network mapping
• Land-use and terrain analysis
• Map production for reports and presentations

Engineering Documentation

We help companies produce professional, structured, and clear technical material.

Services include:

• Technical reports
• Project descriptions
• Method statements
• Design notes
• Drawing registers
• Tender support material
• Presentation material

Virtual Engineering Assistance

We provide flexible technical support for companies that need extra capacity without hiring full-time staff.

Services include:

• Project support
• Data entry and technical administration
• Drawing updates
• Engineering research
• Document control
• Coordination assistance

Programming & Automation Support

We can support technical workflows with simple scripts and automation.

Services include:

• Python scripting
• Data processing
• Excel automation
• GIS automation
• Engineering calculation tools
• Workflow optimisation

Instrumentation & Field Data Support

We can assist with technical planning and data handling related to monitoring and measurements.

Services include:

• Flow monitoring support
• Sensor data processing
• Survey data preparation
• Monitoring documentation
• Simple dashboard or reporting support

Why Work With Us

YonSen Group offers access to skilled, English-speaking technical partners at affordable outsourcing terms, while clients benefit from working with a Danish-registered company. Our goal is to build long-term relationships, provide stable cooperation, and deliver high-quality technical support across borders.

Rates & Engagement

Our rates are agreed individually depending on the type, complexity, duration, and required expertise of each project. We aim to offer flexible and competitive outsourcing terms while ensuring the right level of quality, responsibility, and professional support for every assignment.