GUPA manages development from land acquisition through design, permits, and construction. Project Manager Arantxa Gispert Chávez coordinates external architects, engineers, and contractors. The team adopted Mastt early in its projects, before construction, to establish a consistent way to manage project finances.

We have all the information in Mastt, so it’s easier to make decisions. We have all in one software, including time, cost, contracts, and payments.
Arantxa Gispert Chávez, Project Manager
GUPA managed budgets using Excel templates. When finance or leadership requested an update, checking the current position meant searching through files, sometimes at short notice.
“You have to search for the right file, the latest file.”
- Arantxa Gispert Chávez
Contractor payment arrangements were also not readily visible to finance. The team relied on Arantxa to communicate what was due and when, making upcoming payments harder to coordinate.
“It’s really stressful to have to look for the information and have all the files spread in the computer.”
- Arantxa Gispert Chávez
After evaluating other software, GUPA chose Mastt for its ease of use and visual dashboard, which helped communicate the project position to finance and leadership.
“I think the dashboard part was the no-brainer for choosing Mastt.”
- Arantxa Gispert Chávez
Arantxa uses Mastt's cost management module to review contracts against budget and track payments. One contractor held several contracts across different specialties. Arantxa could review them together, check previous payments, and see the remaining balance.
“To have the payments in Mastt gives me a lot of clarity when the contractors are asking me to pay them.”
- Arantxa Gispert Chávez
These records help Arantxa coordinate upcoming payments with finance and check contractor balances at closeout, reducing the need to consult separate documents and receipts.

The value became clear when a project required additional structural reinforcement. The work was necessary and brought a substantial extra cost to that part of the budget.
With the overall project budget visible in Mastt, the team could look for opportunities to reduce spending in other areas and limit the effect of the increase.
“When we go up in one part of the budget then we are aware of that and in other parts we try to compensate.”
- Arantxa Gispert Chávez
With Mastt integrated into the team’s project and finance processes, Arantxa expects to apply that established workflow to future projects.
“For the future projects, it will be really useful because we already have a way of using Mastt and adapted that to the company.”
- Arantxa Gispert Chávez
Asked whether she would return to the previous way of working, Arantxa is clear.
“Going back to Excel, impossible.”
- Arantxa Gispert Chávez

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