Users of the Construction Information System (BIS) once again rated BIS e‑services highly in 2025, with overall satisfaction reaching 85%.
This result is based on 47,871 user surveys collected between 1 January and 31 December 2025, providing a solid and reliable foundation for evaluating performance, user experience, and development priorities.

The assessment was carried out using a weighted average methodology, ensuring an objective reflection of user experience by accounting for how frequently each e‑service is used. While comparisons with 2024 should be viewed cautiously in areas with lower response volumes, the overall picture clearly confirms consistent quality and strong user confidence in BIS.

Construction e‑Services: Proven Quality and Professional Confidence

The 13 grouped construction e‑services achieved an excellent average rating of 4.30 in 2025, maintaining a stable, high level of performance year over year.
Construction professionals continue to express particularly strong confidence in BIS, awarding an impressive 4.44 rating, while other users rated the services at 4.21 — a reflection of the growing diversity of the BIS user base.

Top‑Rated Construction e‑Services in 2025

• Submissions During Construction Works — 4.50
  A consistently top‑performing service, remaining among the highest‑rated BIS offerings and demonstrating reliability throughout the construction process.

• Construction Project Expertise — 4.40
  The first fully representative and stable evaluation for this service confirms strong user appreciation and trust.

• Authorizations and Delegations in Construction Matters — 4.33
  Widely valued for its clarity and usability, especially among non‑professional users.

Together, these results underline BIS’s role as a trusted digital platform for construction‑related processes.

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Registry e‑Services: High Satisfaction with Ongoing Fine‑Tuning

The five grouped BIS registry e‑services achieved an overall rating of 4.18, maintaining a strong satisfaction level across diverse user groups.
Minor fluctuations compared to 2024 are largely linked to changes in user composition and response volumes, rather than a decline in service quality.

Key Highlights

• Construction Merchants Register — 4.23
  Performance remains solid despite natural rating variability caused by smaller sample sizes.

• Residential Building Managers Register — 3.63
  A clear signal for targeted improvement, providing valuable input for future development.

Meanwhile, Construction Specialist Submissions and Activities in the Building Inspectors Register continue to demonstrate consistent, high‑quality performance, reinforcing trust in BIS registries as authoritative information sources.

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Building Operation e‑Services: The Strongest Growth Story

Building operation e‑services delivered one of the most positive developments in 2025, reaching an overall rating of 4.22, up from 4.07 in 2024.

User feedback is particularly strong among residential building owners, where satisfaction remains high at 84%, confirming that recent improvements are delivering real value in everyday use.

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Key Takeaways from 2025

• Overall BIS e‑service satisfaction remains high at 85%, confirming sustained user trust.
• Minor rating changes are primarily driven by statistical factors rather than service quality.
• Construction e‑services remain the highest‑rated category, especially among professionals.
• Registry e‑services show healthy performance with clear opportunities for targeted refinement.
• Building operation e‑services demonstrate the most consistent and measurable improvement.

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Development Focus for 2026

Strengthening Stability and Performance

Priority will be given to refining existing functionality, improving system stability, and addressing key user “pain points” identified through feedback. New features will be introduced only after critical issues are resolved.

Targeted Service Development

• Construction project approval — stable performance with clear potential for further optimization.
• Additional construction e‑services — continued positive momentum opens opportunities for further enhancement.
• Paper‑based construction case continuation in BIS — improving indicators support ongoing refinement.
• Residential Building Managers Register — focused analysis and improvements planned.

Smarter, More Insightful Surveys

• Expanding evaluation options for new e‑services (e.g. Surveyor’s Workplace, Services for Residential Building Managers, Surveys, General Meetings).
• Optimizing survey frequency to better match real usage patterns.

Thank you to everyone who shared their feedback — your insights help BIS grow, improve, and deliver even greater value!

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