Toronto Canada – December 30th 2025 – Site Service Software, Inc. today announced that it has been acquired by CORA Group, a division of Constellation Software Inc. (“Constellation”). Following the acquisition, Douglas vanden Bosch will serve as Chief Executive Officer of both Site Service Software, Inc. and Total Service.

This strategic acquisition brings together complementary strengths in service management software, expanding the capabilities and resources available to existing customers of both Site Service Software, Inc. and Total Service.

“Joining CORA Group marks an exciting new chapter for Site Service Software and our customers,” said Douglas vanden Bosch, CEO of Site Service Software, Inc. and Total Service. “Under the CORA and Constellation umbrella, we will have greater stability, more resources, and a long-term home that shares our commitment to serving our customers and partners. I look forward to leading both Site Service Software and Total Service through this next phase of growth.”

Enrique Corado, VP of Research & Development at Site Service Software, shared his perspective on the announcement:

“The acquisition of Site Service Software by CORA marks an exciting new chapter for our entire organization. With Site Service Software and Total Service now operating as sister companies within the same vertical, we are uniquely positioned to transform the elevator and field-service technology landscape. Under Doug’s leadership as President of the Vertical, and in my role overseeing R&D across both companies, we are aligning our teams to build a unified, tech-first future.

Together, we are focused on innovating every aspect of the field-service experience—streamlining workflows, accelerating response times, and delivering solutions that make our customers more efficient and more profitable. Several major initiatives are already underway, and we are moving quickly to bring forward advancements that will help us retain market leadership and set a new standard for the industry.

This is just the beginning, and we’re energized by the momentum ahead.”

A long-term Total Service employee also reflected on the impact of the acquisition:

“As a long-term employee of Total Service, I am thrilled about the acquisition of Site Service Software. In just a short time, we have leaped into the future with AI technologies and innovations that make me excited to come to work every day. We are able to combine our individual strengths to create a strong, unified team—one that I am proud to be a member of.”

As part of Constellation, Site Service Software, Inc. will continue to operate as an independent business, maintaining its current products, services, and customer relationships, while benefiting from the operational expertise and financial strength of CORA Group.

Customers and partners of Site Service Software, Inc. and Total Service should expect continuity in day-to-day operations, including support, product roadmaps, and account management. Over time, the combined leadership of Douglas vanden Bosch across both organizations, along with a shared R&D vision, is expected to create additional opportunities for product innovation and integrated solutions.

About Site Service Software, Inc.

Site Service Software, Inc. provides the most powerful, comprehensive, and scalable suite of software tools for the Elevator Service Industry. Its platforms help customers streamline workflows, improve service delivery, and gain better visibility into their operations.

About Total Service

Total Service offers the market leader in the Elevator Service Industry ERP solution market. It has an unrivaled and loyal customer base. Total Service continues to provide a market unique full featured ERP package and world class support.

About CORA Group

CORA Group is a division of Jonas Software that is a fully owned subsidiary of Constellation Software Inc. (TSX:CSU) focused on acquiring, strengthening, and growing vertical market software businesses. CORA’s companies operate autonomously while benefiting from Constellation’s long-term, decentralized model and extensive global network.

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