IBS Software Acquires Above Property Services (APS) for $90 Million

Apax Partners Makes ~$450M Minority Investment in IBS Software

May 16, 2023

Cloud & SaaS

Funds advised by Apax Partners agreed to invest approximately $450 million to acquire a significant minority stake in IBS Software from Blackstone. The transaction will leave founder V K Mathews as majority shareholder and positions Apax as a strategic partner to help IBS accelerate growth of its cloud-native travel and logistics SaaS platform.

The Planet Group (MidOcean-backed) Acquires Interactive Business Systems (IBS)

November 13, 2020

Staffing & HR

The Planet Group, a portfolio company of MidOcean Partners, has agreed to acquire Interactive Business Systems (IBS), an Oak Brook, Illinois–based provider of flexible IT staffing, project solutions and managed services. The deal is an add-on acquisition intended to strengthen Planet's technology services and expand its IT staffing and managed-service capabilities, including IBS's Midwest presence and offshore delivery center in India.

CSI Group Acquires APSU Inc. to Bolster North American IBM Power Services

July 1, 2020

IT Services

MML-backed CSI Group has acquired APSU Inc., a Tennessee-based managed-services provider specializing in IBM Power and IBM i cloud/platform services. The deal expands CSI's North American presence and strengthens its technical capabilities for mission-critical hybrid and multi-cloud IBM workloads.

Sundream Acquires Atlantic Plumbing Services

January 30, 2026

HVAC & Mechanical

Sundream, a platform of plumbing and HVAC service businesses, acquired Atlantic Plumbing Services (APS), a St. Augustine–based plumbing company serving residential, commercial, and new construction customers in Florida. APS founder Kyle Jones will remain with the business to support employees, customers, and continuity as the company transitions to Sundream’s platform support.

Sovos Acquires IRIS Business Services’ APAC Tax Technology ASP Business Unit

August 12, 2025

Data & Analytics

Sovos has entered into a definitive agreement to acquire the Tax Technology ASP business unit from IRIS Business Services. The deal expands Sovos’s global Continuous Transaction Control (CTC) and Goods & Services Tax (GST) footprint, strengthening its Indirect Tax Suite with new modules including notice and litigation management, tax analytics, and e-way bill compliance.

Efficy Acquires APSIS Group AB from Norvestor

August 23, 2021

Cloud & SaaS

Belgian CRM software provider Efficy SA has agreed to acquire APSIS Group AB, a Malmö-based SaaS marketing automation platform, from private equity owner Norvestor. The deal creates a broader pan‑European software player by combining Efficy’s CRM capabilities with APSIS’s marketing automation platform and customer base focused on Nordic mid-market clients.