Fonn Construction

Spec sheet

What it does

Access Fonn is a mobile-first construction site-management platform connecting field and office teams.Read 21 Oct 2026 · theaccessgroup.com

Deployment

The product is offered as web/desktop software plus iOS and Android mobile apps.Read 21 Oct 2026 · theaccessgroup.com

Founded

1991Read 4 Oct 2026 · theaccessgroup.com

Acquisition

Access Construction announced on LinkedIn that it acquired Fonn, describing it as a construction project-management platform for documentation, task tracking and communication.Read 21 Oct 2026 · linkedin.com

API documentation

Fonn provides a public HTTP API developer portal with operation descriptions, data contracts, API reference and setup guidance.Read 21 Oct 2026 · api-developer.fonn.io

Capacity limits

The official page states unlimited projects and users and free access for every subcontractor and trade worker.Read 21 Oct 2026 · theaccessgroup.com

Company founder

Crunchbase identifies Jan Tore Grindheim as founder and CEO.Read 21 Oct 2026 · crunchbase.com

Company legal name

Crunchbase lists the legal name as Fonn AS and the operating status as active.Read 21 Oct 2026 · crunchbase.com

Company size and headquarters

LinkedIn lists Fonn as privately held with 11–50 employees and headquarters in Guildford.Read 21 Oct 2026 · linkedin.com

Compliance forms

The platform supports mobile digital forms, Part L geo-tagged photo capture, Building Safety Act Golden Thread records, templates, required fields and signatures.Read 21 Oct 2026 · theaccessgroup.com

Dashboards and reports

Desktop dashboards show issues, progress and tasks across projects, while daily reports populate from site activity.Read 21 Oct 2026 · theaccessgroup.com

Documentation limitation

The webhook documentation warns that the webhook feature is under continuous development and may change.Read 21 Oct 2026 · webhooks.docs.fonn.com

Drawing control

Drawings receive automatic version control, mobile and desktop markup, side-by-side comparison, retained previous revisions, read receipts and timestamped audit history.Read 21 Oct 2026 · theaccessgroup.com

Founded year

G2 lists Fonn Construction as founded in 2016.Read 21 Oct 2026 · g2.com

Funding

Crunchbase lists two funding rounds, including Seed and Series A, but hides the monetary amounts.Read 21 Oct 2026 · crunchbase.com

Google Play availability

The Android listing shows 10K+ downloads and an update dated September 30, 2026.Read 21 Oct 2026 · play.google.com

Google Play data practices

Google Play states that the app may share personal information, app activity and device IDs, may collect photos, videos and files, encrypts data in transit and allows deletion requests.Read 21 Oct 2026 · play.google.com

Implementation

The vendor says a first site can go live in seven working days and that no dedicated administrator is required.Read 21 Oct 2026 · theaccessgroup.com

Integration

Projects created in Access Coins Evo can flow automatically into Fonn without duplicate setup.Read 21 Oct 2026 · theaccessgroup.com

Limit: calendar

A review listed the absence of a calendar for site visits, meetings, milestones and activities as a useful missing feature.Read 21 Oct 2026 · getapp.com

Limit: customer sign-off

A G2 reviewer said customers could not remotely sign job reports through the app.Read 21 Oct 2026 · g2.com

Limit: drawing revisions

One G2 reviewer reported that revising a batch of 20 drawings could take about 45 minutes and felt the interface was sometimes clunky.Read 21 Oct 2026 · g2.com

Limit: email integration

A G2 reviewer said email integration was insufficient for participants who do not check the app regularly.Read 21 Oct 2026 · g2.com

Limit: financial functions

A GetApp/Capterra review reported wanting stronger financial or budgeting functions and more production scheduling.Read 21 Oct 2026 · getapp.com

Limit: photo options

A G2 reviewer wanted more options for documenting pictures.Read 21 Oct 2026 · g2.com

Limit: Trustpilot complaint

The sole Trustpilot reviewer alleged poor rollout support, weak functionality, continued billing and lack of Microsoft SharePoint integration.Read 21 Oct 2026 · trustpilot.com

Praise: centralised information

Reviewers praise having current drawings, documents, communication, photos and project information in one place across mobile and desktop.Read 21 Oct 2026 · g2.com

Praise: usability

G2 reviewers repeatedly describe the interface as intuitive, easy to learn and useful for both office staff and site workers.Read 21 Oct 2026 · g2.com

Public API

The vendor describes an open public API for project-management, document-management and accounting integrations.Read 21 Oct 2026 · theaccessgroup.com

Rating on Apple App Store

5.0 out of 5 from 4 ratingsRead 21 Oct 2026 · apps.apple.com

Rating on G2

4.6 out of 5 from 33 reviewsRead 21 Oct 2026 · g2.com

Rating on GetApp

4.7 out of 5 from 14 reviewsRead 21 Oct 2026 · getapp.com

Rating on Trustpilot

3.2 out of 5 from 1 reviewRead 21 Oct 2026 · trustpilot.com

RFIs and submittals

Fonn provides automated RFI chasing, visibility across more than 200 open RFIs, submittal schedules, version comparison and tender-package tracking.Read 21 Oct 2026 · theaccessgroup.com

Scope of Works

Its Work Breakdown Structure links phases, drawings, forms, tasks, timesheets and documents, with a daily Action View for workers.Read 21 Oct 2026 · theaccessgroup.com

Security certification

Access says its group has an ISO 27001 certification and a BitSight cybersecurity ranking in the global top 1%.Read 21 Oct 2026 · theaccessgroup.com

Snagging

Users can log defects with geo-tagged photos, assignees and deadlines, then track notifications, completion photos and sign-off.Read 21 Oct 2026 · theaccessgroup.com

Timesheets

Timesheets support geo-fenced check-in to verify that workers clock in at the correct site.Read 21 Oct 2026 · theaccessgroup.com

Webhook security

Webhook traffic uses HTTPS and supports API-key and payload-signing verification; webhook endpoints must be public HTTPS POST endpoints.Read 21 Oct 2026 · webhooks.docs.fonn.com

Webhooks

Webhooks notify third-party services about checklist, document, issue, change-request, time-card and organization events.Read 21 Oct 2026 · webhooks.docs.fonn.com

Plans and prices

Every Fonn Construction plan and price →

Where Specifiction places it

• Construction Management Software#14 of 458.0