Abacus Group Acquires Chicago MSSP Entara to Power Growth in US Financial Services

Entara’s proven leadership position in cyber incident response and AI-enabled services will strengthen Abacus Group’s acclaimed portfolio of offensive and defensive cybersecurity offerings.

New York and Chicago – June 18, 2025 – Abacus Group, a leading IT Managed Services Provider (“MSP”) and Managed Security Services Provider (“MSSP”) to financial services firms globally, today announced it has acquired Entara, a Chicago-based IT MSP and MSSP serving financial services and other highly regulated, high-touch industries. This acquisition enhances Abacus Group's global reach and capabilities across cybersecurity, professional services, and digital infrastructure.

Complementing its deep financial services IT and security expertise, Abacus Group will extend Entara’s specialized incident response capabilities to its clients and their portfolio companies, strengthening its layered defense approach and 24/7 cyber recovery support. Entara also brings a mature, AI-driven instance of the ServiceNow platform that will enhance the service experience and outcomes for all clients. 

The combination of Abacus Group and Entara enables the seamless, global extension of managed IT and cybersecurity services at scale, including the market-leading abacusFlex platform, to Entara's existing clients. This powerful combination benefits customers of all sizes, delivering premium and regulatory-compliant services to financial managers and large multinational organizations.

Jonathan Bohrer, President, Abacus Group, said: “I am delighted to welcome Entara and its clients to Abacus Group. Entara's reputation and long-standing client relationships align perfectly with our core values as we further establish Abacus Group as the premier provider of managed services and cybersecurity globally. We are committed to leadership, innovation, operational excellence and exceptional client experiences in our unique vertical markets, and this acquisition demonstrates just that."

“Together, our combined capabilities and footprint will unlock immense opportunities for clients, employees and shareholders. We look forward to working with the Entara team to ensure a seamless integration,” he said.

Pam Diaz, CEO and President at Entara commented: “We are excited to embark upon this collective journey as part of Abacus Group. Our shared customer service values and commitment to excellence will allow us to offer a broader range of premium services to our long-standing clients, as well as future prospective clients.”

“Our employees are some of the biggest winners in this deal,” added Diaz. “They take immense pride in the innovative capabilities they have built around Incident Response and ServiceNow - solutions built on years of AI and automation research and development. With this next chapter, they’ll have the opportunity to share those contributions within a larger organization, amplifying their impact at scale.”

Linda Maclachlan, Founder and Owner of Entara, reflects on her decision to join forces: “This combination creates something unique in the cybersecurity landscape—a provider that can scale from boutique, high-touch service to enterprise-grade global operations without losing the personal attention that builds lasting relationships.  After building Entara for 24 years and growing it organically, I am filled with gratitude for our clients, our employees, and our extraordinary leadership team who have all been true partners in shaping this company.”

About Abacus Group
Abacus Group is a global managed IT and cybersecurity service provider specializing in the unique needs of the financial services industry. With deep expertise in multi-cloud, compliance and IT-as-a-Service solutions, Abacus Group enables firms to operate securely, efficiently, and at scale.

The innovative and award-winning multi-cloud abacusFlex platform delivers all technology and security needs as a service, empowering clients to meet evolving cybersecurity, regulatory compliance, and infrastructure requirements. 

Abacus Group supports clients across global financial markets, with dual headquarters in New York and London. For more information, visit www.abacusgroupllc.com. 

About Entara
Entara is an award-winning, go-to partner for highly regulated industries requiring sophisticated incident response and AI-driven security solutions. Their expertise in ServiceNow and commitment to innovation has made them a trusted name in cybersecurity circles. www.entaracorp.com