Subcontractor Project Management Software

Built for subcontractors.
Quick to adopt. Effortless to use.

Get set up in minutes. Log completed work, track jobs, and access the latest drawings in an app designed for subcontractors.

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60-second Interactive demo
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Fonn subcontractors header

Helping deliver 100,000+ construction projects on time and in budget

Reflex-Sports
Edgewater-Contracts
Ecologic-SIPs
Northern-Retrofit
London-Felt-Roofing
Core Special Projects
GCM_Services
Glosford
The Problem

Disorganised projects. Scattered updates. Work getting done twice. Let’s fix that.

With multiple trades working across different sites and schedules, subcontractors need instant access to the latest drawings. But without a system built for them, confusion leads to delays, mistakes, and rework. And when subcontractors don’t have an easy way to track work, projects fall behind, budgets get stretched, and payments get delayed.

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How can we stop relying on WhatsApp for communication?
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How can I make sure I’m always working from the latest drawings?
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How do I avoid missing updates?
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How do I stop wasting time chasing project details?
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How do I avoid project delays that push back my payments?
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How do I track my work across different sites?
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How can I spend less time filling out paperwork?
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How do I avoid doing work twice?
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How do I stop relying on emails and phone calls?
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How do I track job completion without relying on site managers?
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How do I protect myself from disputes?
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How can I improve site-to-office communication?
The Solution

Fonn is a mobile app that subcontractors can pick up and use instantly

No complicated software or wasted time. Get real-time job updates, submit progress instantly, and ensure you’re always working from the latest drawings.

Track job progress, submit evidence of work, and access the latest drawings instantly

Fonn gives subcontractors an easy way to track job progress, reduce miscommunication, and avoid rework.

  • Log completed work instantly with photos and site updates from your phone.
  • Access the latest drawings and documents without chasing emails.
  • Submit evidence of work to speed up approvals and payments.
Fonn submit proof of work

Spend less time on admin, avoid rework, and prove job completion with ease

Fonn helps subcontractors spend less time chasing project updates and more time getting the job done.

  • Cut down admin time with an app built for easy mobile use.
  • Protect yourself from disputes with a full record of job progress.
  • Submit updates instantly without using WhatApp and emails.
Spend less time on admin

​Swift Unlimited streamlined communication between the office team and the site team saving time

6K+

hours saved annually

£2K

per month saved on tracking
real contractor hours

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Built specifically for construction projects

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Forms

Build forms using templates from our database, build your own, or allow our team to set up forms as part of our professional service.

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Subcontractor coordination

Distribute documents, drawings and snags to your subcontractors quickly
and easily.

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Variations

Lower the threshold to report deviations and variations. Use the Issues function or create your own forms, depending on what works best for your team.

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Drawings & document management

All drawings and documents stored in the cloud. Always available. Always the latest version. Share documents, drawings, photos, IFC files and more.

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Project collaboration

All in one place, communicating directly with each other. Unlimited number of projects and unlimited number of users. Role-controlled access for both employees and partners.

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Task management

Don't leave deviations, errors or changes without being responsible for rectification. With Fonn, you can easily create tasks for other project participants.

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Tender packages

Effortless tender management: Streamline updates, keep bidders informed and simplify collaboration.

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Timesheets and check-ins

Flexible time tracking and check-ins for team members. See who is working on a project, and report accurately on time spent.

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Submittals

Automate your submittal workflow, making a traditionally time-consuming process effortless.

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RFIs

Easy-to-use RFI handling. Using automated workflows, shorten time-consuming processes with Fonn.

Fonn BIM

BIM

Upload IFC files to get a full 3D view in the Fonn app for both browser and mobile.

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Part L compliance

Seamless compliance with the new Part L Building Regulations, which are required by law. Fonn's app automatically geotags photos for the SAP 10 assessment.

"We can set up issues like a chat, keeping everyone involved and up to date."
Matt Leighton • Operations Director at Swift Unlimited
Core
£5,500/year*
Book a demo
  • Documents / Drawings
  • Issues & Tasks
  • Report Hub
Pro
£8,500/year*
Book a demo
  • Documents / Drawings
  • Issues & Tasks
  • Report Hub
  • Scope Of Works
  • Image Timeline
Pro Plus
£11,000/year*
Book a demo
  • Documents / Drawings
  • Issues & Tasks
  • Report Hub
  • Scope Of Works
  • Image Timeline
  • Forms
  • Metadata Extract
Enterprise
£-
Contact sales
  • Bespoke package and pricing
star Annual pricing based on £5 million turnover with 24 month agreement. Includes unlimited users and data.

See why more than 52,000 users trust Fonn with their construction projects

See how subcontractors are saving thousands of hours of admin a year with Fonn. Book a demo today.

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FAQs

How can I keep stakeholders updated without constant manual reporting?

Fonn automatically tracks site progress in real time and generates detailed reports, so you can provide updates to clients and investors instantly, without extra admin.

How does Fonn help track completed work?

Fonn’s Scope of Works feature allows teams to log completed tasks immediately from site, ensuring real-time visibility into progress and reducing disputes over what’s been done.

How does Fonn help reduce the risk of project delays and penalties?

By keeping your project data live and up to date, Fonn helps you identify issues early, track deadlines, and prevent costly delays that could lead to contractual penalties.

How does Fonn ensure teams are working from the latest information?

With real-time updates, automatic notifications, and document tracking, teams always have access to the most recent project files, reducing errors and rework.

Will my teams actually use Fonn, or is it another tool they’ll ignore?

Fonn is built for construction teams, with  an app  that makes it easy to update tasks, track progress, and upload evidence without disrupting workflows.

Can Fonn really save us time and money?

Yes! House builders like Steve Rolt Construction cut project time by a third using Fonn to streamline compliance and site coordination.

What kind of support do we get with Fonn?

Fonn provides dedicated customer support, helping you onboard quickly and ensuring your teams get the most out of the platform.