Fonn
Acquired7,354 employees on LinkedIn · 1 known investors
Fonn is a construction project management platform that connects site and office teams to track progress, share updates, manage documents, drawings, IFC files, tenders, timesheets and RFIs in one system. It serves contractors, developers, subcontractors and other construction firms, and was acquired by The Access Group in 2025 as part of Access Construction.
Also known as Access Fonn · Fonn AS · Fonn Byggemappen
Investors · 1
Company profile
researched Aug 2026Fonn (Fonn AS) is a Norway-based software company that develops a project management platform for the construction industry, connecting site teams and office staff around a single record of project information. The product is available as mobile apps and a web/desktop application, and is marketed both in Norwegian and, as "Access Fonn", in the UK market. Core functionality covers drawing and document management with automatic version control and side-by-side revision comparison, task and workforce management, snagging/defect lists with geo-tagged photo evidence, digital forms, tender package handling, change orders and variations, RFIs and submittals, timesheets with geo-fenced check-in, Gantt-based planning, a Scope of Works work breakdown structure, and IFC/BIM viewing in the browser and on mobile.
The platform emphasises audit trails: actions are timestamped and geo-tagged, read receipts record drawing acknowledgement, and compliance workflows target UK requirements such as Part L photo capture and Building Safety Act "Golden Thread" documentation. Desktop dashboards give project managers cross-project views of issues, progress and tasks, one-click daily reports, and batch visibility of open RFIs. Subcontractors can be added to projects at no extra cost, and the vendor states unlimited projects and users. Fonn exposes a REST API (JSON over HTTP, secured with a subscription key and access token, with user impersonation and workspace tokens for multi-organisation access) via a developer portal, and integrates with Access Coins Evo so that projects created in Coins Evo flow automatically into Fonn. [0][1][2][3][4][6]
Founding story
Fonn originated as Fonn Byggemappen, developed by the Norwegian company Lean Konseptutvikling. Co-founder Jan Tore Grindheim, who had roughly 15 years of experience in the oil and gas industry in management and completion roles, identified a gap in collaboration and completion tools for small and medium-sized building projects and validated the idea through client interviews. Co-founders Ingvald Grindheim and John Levi Jørgensen were involved in starting Lean Konseptutvikling, and Tor Gjøsæter contributed app development experience and introduced the team to the software house Zaven, which built the iOS, Android and web applications. Innovation Norway and Connect Norway funded most of the start-up costs. The pilot customer was Idealhus AS, whose manager Nils Eirik Ådnanes backed the project early on. Grindheim has described the first months, with expenses but no income and the need to sell an idea rather than a product, as the main early challenge. [5]
Business model
B2B software sold on a subscription basis to construction sector customers, with service tiers for different project needs; a Premier Success Plan tier adds a dedicated Customer Success Manager and a dedicated lead technical support engineer. Subcontractors can be invited onto customer projects at no additional cost, and the vendor advertises unlimited projects and users. Pricing is quoted on request. [0][1][6]
Subscription revenue from construction companies, with tiered service levels; implementation, onboarding and support are delivered by Access Construction. [0][1][6]
Traction
The company states more than 100,000 construction projects delivered through the platform and over 60,000 users on its Norwegian site; Preqin cites adoption by more than 50,000 professionals and, in the context of the Access Group acquisition, more than 50,000 users worldwide. Named customers and referenced case studies include Excel Group, Natta, Ascia Construction, Bygg-Team Romerike AS and BOB Eiendomsutvikling. Preqin reports revenue of USD 4.73m in 2021 (down 14.9% year on year from USD 5.56m in 2020) with negative EBITDA, and separately cites 2022 figures of NOK 767,111.5 revenue and NOK -1,616,812.5 EBITDA. [0][1][6]
Latest developments
Fonn AS was acquired by The Access Group effective May 2025, becoming part of Access Construction; the product is now marketed as Access Fonn, with onboarding, training and support delivered by Access Construction and an integration that automatically flows projects created in Access Coins Evo into Fonn. Preqin also records a funding deal dated 5 May 2025 with investors including Idekapital, Investinor and Skagerak Capital. [0][1][6]
▸Full profile — market position, technology, go-to-market, geography, history, risks & controversies
Market position
Positioned as a mobile-first construction site management platform competing with legacy paperwork and ad hoc messaging workflows, and since 2025 part of The Access Group's Access Construction portfolio, where it complements the Coins Evo ERP. Preqin classifies the company under software with analytics and performance software and mobile app verticals, at add-on company stage. [0][1][2][6]
Emphasis on a single mobile-first system spanning field and office rather than separate tools, with unlimited projects and users and free access for subcontractors, integrated drawing version control that pushes revisions to every device, timestamped and geo-tagged evidence trails intended to be usable in disputes, UK compliance features (Part L photo capture, Building Safety Act Golden Thread documentation, HSE inspections), and in-app IFC/BIM viewing on mobile and browser. [0][1][2]
Technology
Cloud-hosted, mobile-first application with iOS, Android and web clients. Documents, drawings, photos and IFC files are stored in the cloud with role-based access, automatic version control and version history; photos are automatically geotagged and time-stamped. The platform includes an in-app BIM/IFC 3D viewer, digital form templates, geo-fenced check-in for timesheets, and automatic document linking. A public API uses HTTP with UTF-8 encoded JSON payloads, dedicated endpoints for operations such as file uploads, dual subscription keys plus an access token for authorisation, user impersonation via external IDs, workspace tokens spanning multiple organisations, programmatic organisation creation, and rate limiting returning HTTP 429; the API is fronted by Azure API Management. [0][1][3][5]
Go-to-market
Direct sales supported by demo and pricing requests on the website, customer case studies and testimonials from construction firms, and structured onboarding promising go-live within about seven days (account setup and configuration on days 1-2, team onboarding on days 3-4). Since the acquisition, implementation, training and award-winning support are provided through Access Construction, and distribution is aided by integration with Access Coins Evo. Earlier in the company's life, support from Innovation Norway and Connect Norway and reference customers such as Idealhus AS supported market entry in Norway. [0][1][5]
Contractors, builders, developers/real estate developers, subcontractors, architects and other construction firms, spanning site workers, site managers and office-based project managers on small to large projects. [0][1][5][6]
Geography
Headquartered in Norway with a Norwegian-language product site, and active in the UK market with compliance features aimed at UK regulation; Preqin states the products primarily serve European markets and describes over 50,000 users worldwide. [0][1][6]
History
Preqin records Fonn AS as established in 2016 in Norway, with Jan Grindheim among the founders. By 2018 the product, then presented as Fonn Byggemappen, had launched on iOS, Android and web, had landed larger clients, was a candidate for the 2017 Innovation Prize in the Norwegian building industry, and had twice been named one of the four best start-ups in western Norway. Preqin reports five funding deals in total, with investors including Idekapital, Investinor and Skagerak Capital, and an acquisition by The Access Group effective May 2025, after which the product is offered as Access Fonn within Access Construction. [0][1][5][6]
Risks & controversies
Preqin financial data shows sustained operating losses, with negative EBITDA, operating income and net income for each reported year from 2018 through 2021, and revenue declining 14.9% in 2021. [6]
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Timeline · 4
launches, deals, and filingsPreqin records a completed add-on/trade sale of Fonn AS and states that the acquisition by The Access Group is effective May 2025, adding mobile-first construction project management to the group's ERP footprint. Fonn is subsequently presented as Access Fonn, with implementation, onboarding and support delivered by Access Construction.
Projects created in Access Coins Evo flow automatically into Fonn without manual duplication.
The construction project management tool was delivered as iOS, Android and web applications built with development partner Zaven, covering communication, file sharing, budget monitoring, milestones and group notifications.
Fonn Byggemappen was a candidate for the 2017 Innovation Prize in the Norwegian building industry and was, for two consecutive years, named one of the four best start-ups in western Norway.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 8
primary sources listed
- Fonnfonn.io · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Fonn do?
- Norwegian construction project management platform, now part of The Access Group, linking site and office teams on mobile and desktop.
- Who are Fonn's investors?
- Fonn's investors include Skagerak Capital.
