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Microsoft 365 for Construction Companies: Crews, Sites and Licenses

A contractor runs two companies at once: an office that estimates, bills and manages projects, and crews that work from phones and a shared tablet on a job site. Microsoft 365 fits that split with two license families, Business Premium for the office and F3 or F1 for the field, and a project structure in Teams and SharePoint that replaces the group text and the personal Gmail account. This guide gives the pattern, the license mix, and a 45-person contractor worked at October 2026 list prices.

The license mix that fits a contractor

Prices are per user per month on an annual term, Commercial segment (Microsoft list price, October 2026 price list). The list carries annual figures: Microsoft 365 Business Premium is $264.00 per user per year, and $264.00 ÷ 12 = $22.00.

Role License Price Why this one
Owner, project managers, estimators, office manager, accounting Microsoft 365 Business Premium $22.00 Desktop Office, a full mailbox, Intune, Entra ID P1, Defender for Business
Superintendents and foremen with a company phone Microsoft 365 F3 $10.00 A 2 GB Kiosk mailbox, web and mobile Office, Teams, Power Apps, Intune
Crews Microsoft 365 F1 $3.00 Teams chat, Shifts, Walkie Talkie, SharePoint and OneDrive viewing, Intune; no mailbox
Subcontractors, architects, the owner's representative Guests $0.00 They open the project site and channel with their own accounts
Shared job-site iPad Covered by the crews' F licenses in shared device mode $0.00 Intune Plan 1 Device at $2.70 is only for a device with no licensed user

Microsoft defines frontline workers as people who work on tablets or phones directly with customers or in manufacturing and distribution, and information workers as people with a desktop or laptop, and says you can mix license types across the two groups (Microsoft Learn, Understand frontline worker user types and licensing, ms.date 6 October 2025). A field crew is the frontline case; an estimator at a desk may not hold an F plan.

Two rules shape the count. The Business plans are designed for up to 300 users combined, and F plans sit outside that family, so a contractor with 60 office staff and 400 field staff still fits (see the 300-license limit article). And F1 has no mailbox: Microsoft's frontline setup guide states that users must have an F3 license to get access to email (Microsoft Learn, Set up Microsoft 365 for frontline workers, ms.date 24 December 2024), so a foreman who receives RFIs by email is an F3 seat.

Project sites: one team per project, one library per discipline

The structure that holds up across a dozen simultaneous jobs is a Microsoft Teams team per project, named by job number, with the SharePoint site behind it as the project record.

  • Channels: General, Drawings, RFIs and Submittals, Daily Logs, Safety, Change Orders, Closeout. Each channel has its own folder in the project library, so a photo posted in Daily Logs is filed there.
  • Libraries: one for current drawings with version history on, so the superseded sheet is still there; one for contracts and change orders with restricted permissions; one for photos. Columns for sheet number, discipline and revision beat nested folders past a few hundred files.
  • Lists: an RFI log and a submittal log with status, ball-in-court and due date; a Planner plan for the punch list.
  • External access: the architect and the subcontractors are guests on the team or on a sharing link with an expiry date; they never get a license.
  • Closeout: archive the team when the job closes; the site stays searchable through the warranty period.

The tenant storage pool is 1 TB plus 10 GB per licensed user, which the SharePoint storage guide explains; photo libraries are what fill it. Moving the old file server's job folders into this structure is covered in our file server migration guide; a project team and site template is part of the SharePoint Online initial planning and setup service at $875.00 per project.

Field crews on phones: Teams, Shifts, Walkie Talkie and site photos

Microsoft's frontline overview lists what F1 and F3 users get in Teams: chat, Walkie Talkie, Shifts with open shifts and swap requests, Planner and Lists, and Approvals (Microsoft Learn, Microsoft 365 for frontline workers, ms.date 21 January 2026). For a crew that means:

  1. One chat per project, the team's General channel, instead of a group text that dies with the phone.
  2. Shifts for the crew schedule, published by the superintendent or the office; crews see it on F1.
  3. Walkie Talkie on the company phones as the site radio.
  4. Photos into the channel, filed in the project library with the date.
  5. Daily logs and toolbox talks as Forms, filled on the phone, with responses collected on the project site.

Two licensing details matter in the field. F1 includes Intune, so a company phone is enrolled and can be wiped when it goes missing; crews on their own phones get Intune app protection policies without enrollment, as our BYOD app protection guide explains. And Power Apps and Power Automate are in F3, not F1, so whoever runs the daily-log flow needs F3 or an office license (Microsoft Learn, Microsoft 365 for frontline workers, ms.date 21 January 2026).

Shared iPads on the job site with Intune

A job-site iPad is used by whoever is on shift. Microsoft's frontline device guidance covers this with Microsoft Entra shared device mode: an employee signs in once to Teams at the start of the shift and is signed in to every other supporting app, and one sign-out at the end clears company data from all of them for the next person (Microsoft Learn, Manage shared devices for frontline workers, ms.date 24 October 2025). The same page describes two sign-in shortcuts: domain-less sign-in, where the user types only the part of the username before the @, and QR code sign-in with a PIN.

The iPads are enrolled in Intune as corporate devices through Apple Business Manager, a compliance policy requires a passcode and a current iPadOS, and the apps are pushed. Microsoft's device overview notes that iPadOS also supports Shared iPad for Business where separate user profiles are needed (Microsoft Learn, Overview of device management for frontline workers, ms.date 24 October 2025).

Microsoft licenses Intune per user, with a device-only license for devices not affiliated with a user, such as kiosks (Microsoft Learn, Microsoft Intune licensing, checked October 2026). A shared iPad that crews sign in to with their F licenses is covered; an iPad running a single app with nobody signing in takes Intune Plan 1 Device at $2.70. The enrollment, compliance and app set is the Microsoft Intune Initial Setup for iPhone and iPad Management service at $4,500.00 per project.

Bookings for inspections and Forms for daily logs

Microsoft Bookings is included in Business Basic, Business Standard, Business Premium, E1, E3, E5, F1 and F3 (Microsoft Learn, Microsoft Bookings, ms.date 2 April 2025), so a contractor already has it. A booking page for the municipal inspector, the owner's walkthrough or the warranty visit shows the superintendent's availability, puts the appointment on their calendar and sends the reminder; a public booking page on the website does the same for estimates, with a buffer for drive time.

Microsoft Forms handles the paper that lives on a clipboard: daily log, toolbox talk attendance, equipment inspection, incident report. A form filled on a phone writes a row to a spreadsheet on the project site, and an office user on Business Premium runs a Power Automate flow that posts the daily log to the project channel and emails the project manager when an incident form arrives. Both apps open from Teams.

What to avoid: personal Gmail, WhatsApp photos and the shared password

Each habit below has a direct replacement.

Habit What goes wrong Replace with
Bids and contracts in a personal Gmail account The record leaves with the person; no hold, no retention, no DLP A Business Premium mailbox and a retention policy on the project library
Site photos in WhatsApp or a group text Not in the project record; lost with the phone; unreachable for a claim Photos posted to the project channel, filed in the library
One shared office@ password for everyone No MFA, no audit trail of who sent what A shared mailbox, which needs no license, opened from each person's own account
Local admin on every laptop One bad download becomes ransomware on the estimating machine Standard users with Intune; see Endpoint Privilege Management

Business Premium carries the controls behind the replacements: Conditional Access, Intune enrollment, Defender for Business. The Conditional Access policies every business should have guide is the short list; the Microsoft 365 Security 30 Days Service at $2,000.00 per project puts them in place.

A 45-person contractor, worked at list prices

A commercial contractor: 12 in the office, 8 superintendents and foremen with company phones, 25 crew, four job-site iPads, three shared mailboxes and a handful of subcontractors as guests. Annual term, Commercial, Microsoft list price, October 2026 price list.

Item Count License Per year each Per year
Office staff 12 Microsoft 365 Business Premium $264.00 $3,168.00
Superintendents and foremen 8 Microsoft 365 F3 $120.00 $960.00
Crews 25 Microsoft 365 F1 $36.00 $900.00
Shared mailboxes (bids@, ap@, safety@) 3 None, under 50 GB $0.00 $0.00
Job-site iPads in shared device mode 4 Covered by the crews' F licenses $0.00 $0.00
Subcontractors and the architect 6 Guests $0.00 $0.00
Microsoft subscriptions $5,028.00

That is $419.00 a month for 45 people, 12 of them on the Business family and well under the 300 cap. Two optional lines: Teams Phone with Calling Plan (country zone 1, US) at $17.00 per user per month for six office lines adds $1,224.00 a year, priced on the Teams Phone calculator; Microsoft 365 Copilot Business at $21.00 for the three estimators adds $756.00 a year.

IT Partner's fixed-price work, quoted in writing before work begins: Microsoft 365 New Tenant Setup for Small Business at $950.00 per project; Company Document Migration to SharePoint Online or Teams at $3,500.00 per project for the job folders; the iPad setup at $4,500.00; and the Microsoft 365 Frontline Worker Deployment at $3,950.00 per project for Shifts and the crew rollout. A contractor on Google Workspace follows the Google Workspace migration path instead.

The order of work runs four weeks: week one the tenant (domain, users, licenses, MFA, Conditional Access, shared mailboxes, mail cutover); week two the structure (the project team and site template, libraries and lists, retention, guest sharing with link expiry, the first two live projects); week three the devices (Intune on laptops, phones and iPads, shared device mode, Defender for Business); week four the crews (Shifts published, the daily log form, Walkie Talkie, a twenty-minute briefing per crew on site, the old job folders migrated and set read-only).

Frequently asked questions

Which Microsoft 365 plan is right for a construction company?

Two plans together: Microsoft 365 Business Premium at $22.00 per user per month for office staff and project managers, and Microsoft 365 F3 at $10.00 or F1 at $3.00 for superintendents and crews on phones (Microsoft list price, October 2026 price list). Business Premium brings the desktop Office apps and the security controls; the F plans bring Teams, Shifts and Intune at field prices.

Can field crews use Microsoft 365 without a computer?

Yes. F1 and F3 are designed for people who work from a phone or a shared tablet: Teams chat, Shifts, Walkie Talkie, Planner checklists, Forms and the project files in SharePoint. F3 adds a 2 GB mailbox and the web and mobile Office apps.

Does Microsoft 365 F1 include email?

No. Microsoft's frontline setup guide states that users must have an F3 license to get access to email. An F1 user communicates in Teams; a foreman who needs to receive RFIs by email belongs on F3.

How do we share drawings with subcontractors without buying them licenses?

Invite them as guests to the project team, or send a sharing link to the Drawings library with an expiry date. Guests need no Microsoft 365 license, they see only what is shared, and version history keeps the superseded sheets.

Can we use shared iPads on job sites with Microsoft 365?

Yes. Enroll the iPads in Intune as corporate devices and turn on Microsoft Entra shared device mode so each crew member signs in to Teams at the start of the shift and signs out of everything at the end. Crews who hold F licenses cover the device; an iPad nobody signs in to takes an Intune Plan 1 Device license at $2.70.

Sources

Key takeaways

  • Office staff and project managers go on Business Premium at $22.00; superintendents on F3 at $10.00; crews on F1 at $3.00 (Microsoft list price, October 2026 price list).
  • F1 has no mailbox and no Power Apps; anyone who must receive email or run a flow needs F3 or an office license.
  • One Teams team per project, with channels and libraries for drawings, RFIs, daily logs and photos, is the project record; subcontractors join as guests at no charge.
  • Shared job-site iPads run in Entra shared device mode under the crews' F licenses; a device nobody signs in to takes Intune Plan 1 Device at $2.70.
  • Bookings and Forms are included in the plans and cover inspections, estimates, daily logs and toolbox talks.
  • A 45-person contractor pays $5,028.00 a year for Microsoft subscriptions; tenant setup is $950.00 and the crew rollout $3,950.00, quoted in writing before work begins.

If the office is on a bare email provider and the field is on group texts, the four-week order of work above starts with the tenant. The Microsoft 365 New Tenant Setup for Small Business service at $950.00 per project builds it with the license mix from this guide.

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