Manage your construction business in one app

Cost estimation, invoicing, projects and time tracking, all from mobile. Designed for construction companies of 1–20 people.

14 days free · No payment details · Set up in 10 min

Done

Wall frames and bracing

68 m

€6,900.00

Roof trusses and upper floor

100 m²

€5,400.00

Installation work

230 h × €55.00

€12,650.00

VAT 0%

Quote total

€24,950.00

🇫🇮 Finnish product
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⚡ Set up in 10 min🔒 GDPR-compliant🎯 14 days free

Not a heavy ERP. Not just an invoicing tool.

Lightweight mobile operations for the everyday of a construction company.

Quote

Calculate and win the job

Site

Manage the project and hours

Invoicing

Turn work into invoices

Reporting

See margin and profitability

Do you recognise these problems?

Many construction companies struggle with the same challenges. FiSAS is built to solve them.

📊

Excel chaos

Cost estimates, schedules and timesheets out of date. The latest versions lost.

💸

Late invoices

Invoicing is forgotten in the rush or invoices go out too late. Money does not move fast.

📉

Margin shows up too late

Project profitability only becomes clear once the work is done and corrective action comes too late.

FiSAS replaces Excel, email chains and sticky notes with a single app where the project margin is visible while the work is still running.

Try for free

Everything for a construction company's everyday

From quote to reporting, the right tools for every stage of the work, in one app.

Win the job

Calculate and send quotes fast, get them approved electronically.

cost estimationquote templatescustomerselectronic approval

Run the site

Keep projects, tasks and documents under control in one view.

projectstaskssite diarydocuments and photos

Track time and costs

Log hours from the field and keep purchases in the project's costs.

time trackingpurchasessubcontractorsbudget vs actuals

Invoice correctly

Turn completed work and approved extras into invoices without double entry.

invoicingadditional workspartial invoicingaccounting integrations

See profitability

See margin, costs and unbilled work in time.

reportsproject marginpurchase invoice allocationactuals vs estimateunbilled work

What do you need?

Pick one answer.

Or ask the FiSAS AI assistant for more

The conversation comes to us. We handle it according to our privacy policy.

Everything you need

16 features designed for construction companies, all in one software.

Cost estimation

AI drafts the quote from your drawings for you. You review it, price it with your own rates and win more contracts.

Drawing measurement

AI takes off the quantities from your drawings for you. You review them, and they go straight into the quote.

Invoicing

Invoice your projects fast. The invoice is created straight from logged work or by payment instalments.

Purchase invoices & expenses

Log project expenses from the field and track profitability in real time.

Inventory

Know what is on the shelf and sell straight from your own stock.

Project management

Schedules, costs and site status in one place.

Time tracking

Log work hours straight from the field, even without a network connection.

Calendar and scheduling

Plan short jobs and longer sites in one view, with the whole team's schedule in real time.

Documentation

Photograph the site and attach photos automatically to the right location.

AI

AI supports using the software and automates the process.

Subcontractors

Manage your subcontractors, request quotes and place orders from the software.

Access control

Log site access on mobile or with a clocking terminal, manage access permits and gather tax numbers in one place.

Tax authority reports

The monthly contract and employee reports for the Finnish Tax Administration, built from your sites, purchase invoices and time entries.

Customers

Keep customer details and project history in order.

Messaging

Project discussions, direct messages and file sharing in one site-specific chat.

TR measurement

The weekly site safety round on mobile, a tappable TR form with observations on the floor plan.

FiSAS in use on a tablet at a construction site, surrounded by drawings and tools

Why FiSAS?

Mobile first

Designed for mobile. Log hours, photos and expenses straight from the edge of the site. Works on a computer too, of course.

Ready in 10 minutes

No long onboarding projects. Sign up and start, for real.

Priced right

From €69/month (VAT 0%). Big systems cost thousands. FiSAS is built for small businesses.

Real human support

Support from real people who know construction. No bots, a real person.

Simple pricing

No hidden fees. Switch plans at any time.

Maker

incl. 1 user

€69/mo

with annual billing · extra user from +€5/mo

  • Cost estimation
  • Project management
  • Customer management
  • Time tracking
  • Tasks and work orders
  • Documentation
Start trial
MOST POPULAR

Builder

incl. 4 users

€119/mo

with annual billing · extra user from +€10/mo

  • All Maker features
  • Invoicing
  • Drawing measurement and quantity take-off
  • Scheduling and Gantt
  • Messaging
  • Reports
Start trial

Master

incl. 10 users

€199/mo

with annual billing · extra user from +€15/mo

  • All Builder features
  • TR measurement
  • Expenses and purchase invoices
  • Inventory
  • Advanced reports
  • CO2 tracking
Start trial

All prices exclude VAT (VAT 0%). Monthly billing is also available.

Construction entrepreneurs trust FiSAS

“FiSAS is a straightforward solution for a construction company like ours. Our employees learn to use it on their own.”

Nikolaus Määttä

Nikolaus Määttä

Rakennus Popo Oy, Espoo, Finland

“Cost estimation really works end to end, all the way to electronic approval, flawlessly!”

— User, Espoo

“Messaging that automatically translates into the recipient's language solves communication problems.”

— Foreman, Tampere

Ready to try?

Start a 14-day free trial. No commitment, no payment details. Setup takes under 10 minutes.