Top 14 SaaS Companies in King of Prussia, United States, May 2026

King of Prussia, Pennsylvania, United States

The rapid changes taking place in today’s global business, technology, and regulatory environments are having a compounding effect on the complexity of indirect tax management and putting more pressure on the corporate tax function than ever before. This complexity demands intelligent solutions that enable businesses to satisfy tax obligations and support growth opportunities. The Trusted Leader in Tax Technology We're Vertex (VERX). A pioneer in tax automation for more than 40 years. We proudly serve over 4,000 customers worldwide with distinction and provide comprehensive tax solutions that enable global businesses to transact, comply and grow with confidence. Our software, content and services address the increasing complexities of global commerce and compliance by reducing friction, enhancing transparency and enabling greater confidence in meeting indirect tax obligations. As a result, our software is ubiquitous within our customers’ business systems, touching nearly every line item of every transaction that an enterprise can conduct. Our software is fueled by over 300 million data-driven effective tax rules and supports indirect tax compliance in more than 19,000 jurisdictions worldwide. We partner with the world’s most respected companies and harness their strengths to deliver the best tax technology solution to businesses across the globe. We integrate with key technology partners that span ERP, CRM, procurement, billing, POS and e-commerce platforms. We also work closely with over 50 tax, accounting and consulting firms to provide the integrated tax technology solutions. Our culture is the foundation of everything we do, guided by a common purpose to build trusted relationships at work, in business and in our communities. We strive to be a values-driven employer of choice who attracts, retains and inspires talented professionals to achieve their full potential. We employ over 1,100 full-time professionals today in the US, Europe and Brazil.

King of Prussia, Pennsylvania, United States

Executive search firm and advisor to CEOs, investors and boards of directors for recruiting, assessing and delivering transformational leadership teams

King of Prussia, Pennsylvania, United States

Provider of flexible outsourced human resources and talent acquisition solutions to small- and mid-market companies

King of Prussia, Pennsylvania, United States

ASI Business Solutions is pharmaceutical Industry.

King of Prussia, Pennsylvania, United States

Medecision is a leader in cloud-based, data-powered healthcare solutions, enabling risk-bearing healthcare organizations – health plans, healthcare systems, third party administrators and more – to achieve improved health outcomes, optimized medical costs, reduced administrative costs, and personalized engagement. Our growing Aerial™ portfolio supports over 10% of the U.S. population, marking a significant milestone in advancing healthcare efficiency and effectiveness.

King of Prussia, Pennsylvania, United States

Evolve IP partners with IT professionals to bring together their essential productivity and communication tools into a single, secure cloud-based solution, fine-tuned for the hybrid workforce and delivered as a service. By integrating these disconnected systems and filling in the gaps, we improve both productivity and security, increasing uptime to make the future of work better for everyone.

KING OF PRUSSIA, Pennsylvania, United States

Technology solutions specialist partnering with clients to execute a successful digital transformation in the property and casualty insurance space

King of Prussia, Pennsylvania, United States

Bright MLS is made up of nine forward thinking MLSs (43 Associations), including TREND MLS, in the Mid-Atlantic region who put aside their differences and came together with a shared vision to help solve MLS market overlap and empower everyone to get more out of the MLS. Bright will serve parts of 6 states plus Washington, D.C. encompassing 85,000 real estate professionals who serve over 20 million consumers and facilitate approximately 250,000 transactions a year that are valued at more than $85 billion.

King of Prussia, Pennsylvania, United States

Benefit Allocation Systems, LLC. ("BAS"​) is the developer of MyEnroll.com – leading, web-based employee benefits administration for enrollment, COBRA/HIPAA, Flexible Spending Accounts (FSA), Health Reimbursement Accounts (HRA) and Professional Learning Accounts. BAS delivers its solutions on a "Software-as-a-Service (Saas)"​ platform along with administrative support services for off-loading administrative processing, data interchanges with insurers and payroll, reporting, and call center services. Cobra Control Services, LLC is a wholly owned subsidiary of BAS and provides BAS with Cobra administration services.

King of Prussia, Pennsylvania, United States

Digital marketing firm helping brands connect with their target market with confidence and certainty across multiple media