# Tres Computer programming activities · Heerenveen Unclaimed profile · https://cogundi.com/en/companies/tres-heerenveen-0847841f-a2ac-4672-9301-fd80a379b932 ## Identification - Legal name: TRES - Activity: Computer programming activities (62.01) - Head office: De Opslach 59, 8448 GV Heerenveen - Website: https://tres.nl ## What the company website says ### Services **TRES develops portals** and personal environments enabling customers, suppliers, employees and members to manage their own information and processes. Portals provide access to orders, invoices, leave requests, member data and complete workflows, integrated with ERP, CRM and HR systems such as AFAS, Microsoft Dynamics 365, SAP and Visma Raet. The offering covers Education, Manufacturing, Public Sector, Business Services and Healthcare. - TRES develops **portals and selfservice** solutions to allow customers, suppliers, members or employees to manage their own information and processes. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice) - TRES offers **customer portal** development allowing customers to view their orders, invoices, documents and service status. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice/klantportaal) - TRES develops **supplier portals** providing access to pending orders, delivery dates and invoices. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice/leveranciersportaal) - TRES creates **employee portals** where staff request leave, log hours and view their contracts or pay slips. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice/medewerkersportaal) - TRES designs **member portals** for associations and organizations where members manage their data, view documents and register for events. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice/ledenportaal) - TRES develops **personal environments** (Mijn-omgeving) where users view documents, invoices, status and personal information in one place. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice/mijn-omgeving) - TRES creates **process portals** digitizing a specific workflow end-to-end, such as requests, registrations, or approvals. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice/procesportaal) - TRES portals are built on a **proven basis** integrating authentication, roles and permissions, document management, forms and workflows. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice) - TRES integrates portals with **ERP, CRM and HR systems** such as AFAS, Microsoft Dynamics 365, SAP and Visma Raet. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice/klantportaal) - TRES operates in the **Education, Manufacturing, Public sector, Business services and Healthcare sectors**. (Source: https://tres.nl/) ### Who it is for **TRES can take over** and enhance portals developed by other providers by migrating them to an updated and stable foundation. - TRES can **take over and improve** portals developed by other providers by migrating them to an updated and stable basis. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice/ledenportaal) ### Prices and quotes Portal pricing depends on **features, integrations, process complexity** and security requirements, determined following strategic exploration. - Portal pricing depends on **functionality, integrations, process complexity and security requirements**, determined after strategic exploration. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice/portaal-en-selfservice) ### Service area **TRES operates in North Holland** with an office in Heerenveen and a second location in Amsterdam. - TRES operates in **the Netherlands** with an office in Heerenveen and a second location in Amsterdam. (Source: https://tres.nl/) ### Lead times and availability TRES often designs a **first working version** then develops the portal progressively based on usage and user feedback. - TRES typically designs a **first functional version** then develops the portal progressively based on user feedback and usage. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice/portaal-en-selfservice) ### How it works The TRES process comprises **five phases**: Think (discovery), Build (development), Livegang (deployment), Service (support) and Level UP (improvement), typically beginning with strategic exploration mapping objectives, users, processes and technical constraints. - TRES offers a process in **five phases**: Think (discovery), Build (development), Livegang (deployment), Service (support), Level UP (improvement). (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice) - TRES typically starts with a **strategic exploration** mapping objectives, users, processes and technical requirements before determining scope. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice/portaal-en-selfservice) ### Quality and guarantees TRES processes comply with **ISO 27001** standard for security and risk management, with security by design practice for all portals. Client rating of **9.1 out of 10** based on 845 reviews. - TRES processes comply with **ISO 27001** standard for security and risk management. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice/klantportaal) - TRES practices **security by design** for all its portals. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice/klantportaal) - TRES has a **customer rating of 9.1 out of 10** based on 845 reviews. (Source: https://tres.nl/) ### Experience and references **TRES has worked for 25 years** in web development, portals, platforms and digital solutions. - TRES has been working for **25 years** in website development, portals, platforms and digital solutions. (Source: https://tres.nl/) ### Practical information Contact TRES by phone at 0513 - 64 14 50 (Heerenveen) or 020 - 23 62 1 62 (Amsterdam), or by email at hallo@tres.nl. Portals ensure each user sees only **relevant data and features** through precise role and access rights. - TRES can be reached by phone at **0513 - 64 14 50** (Heerenveen) or **020 - 23 62 1 62** (Amsterdam), or by email at **hallo@tres.nl**. (Source: https://tres.nl/) - TRES portals ensure each user only sees **data and features relevant to them** through precise roles and access rights. (Source: https://tres.nl/oplossingen-ontwikkelen/portaal-en-selfservice/klantportaal) ## Sources - Identification: INSEE, SIRENE database (October 2026 edition), Licence Ouverte. - Information from tres.nl, read on 6 October 2026.