Gain a true 360-degree view across your firm

    Microsoft Dynamics 365 + HSO ProServ are leading the way for professional services firms.

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    Solutions built for specifically for Professional Services firms

    With industry-specific solutions, HSO ProServ can help your firm find and win more work, efficiently deliver and account for work, and hire and retain the best possible talent.

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    Drive Better Results for your Professional Services Firm

    Optimize all phases of your operations, from business pursuits all the way through project completion and billing. Microsoft’s Industry Director and Executive Vice President of HSO show you how.

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    HSO ProServ delivers purpose-built solutions for industry-specific needs, all on the Microsoft Dynamics 365 cloud platform. We also provide best practices consulting, implementation, support, and managed services to many of the preeminent A/E/C, legal, accounting, and consulting firms around the world.

    Microsoft solutions

    We help our clients achieve operational excellence, optimize their client relationships, and gain 360-degree insights with the Microsoft Cloud.

    Dynamics 365 Finance and Operations (ERP)

    Dynamics 365 Project Operations

    Dynamics 365 Client Engagement (CRM)

    Dynamics 365 Human Resources

    Power Apps

    Power BI Analytics and Dashboard Development

    Artificial Intelligence

    Cloud Services

    Industry solutions

    HSO ProServ is Microsoft’s premier partner providing industry-specific software solutions for professional services firms and other project-driven businesses. Check out our industry-specific solutions for your business:  

    Supporting Products


    Our Services

    We bring over 20 years of software consulting experience and industry best practices to provide a comprehensive set of services that help our clients plan, deploy, and support their new solutions. We also offer predictable managed services offerings that help our clients manage and optimize their Dynamics 365 solutions.

    System Implementations
    Best Practices Consulting
    Integrations and Development
    Managed Services
    BI and Analytics


    Resources for Professional Services Firms

    What sets HSO apart

    HSO is your Business Transformation Partner with deep industry expertise and global reach, leveraging the full power of Microsoft technology to transform the way you work and improve your business performance.

    HSO International Global Delivery Capabilities
    With a consistent global delivery methodology shared across all locations and global delivery centers, HSO’s “Kernel” approach allows us to deliver template implementations worldwide, accelerating business transformation for multi-national companies at an affordable cost point with predictable outcomes.
    24/7 Global Managed Services
    Support core business systems while working proactively on transformation efforts that will secure future success. With everything from upgrades, migrations, continuous optimization and insights on improving business processes, HSO allows you to focus on your core business and innovate faster.
    Large enough to serve, small enough to care
    For more than 30 years we’ve measured our success in just one way-we win when our clients win. HSO is the agile, industry-focused alternative to large, traditional global SIs. Our goal is to drive improvements in your business performance by leveraging the power of Microsoft technology – accelerating the impact of digital transformation.

    Michael D’Alesio is VP, Customer Care at HSO ProServ | Michael has served in many roles during his tenure in the Microsoft Partner Channel for the past 25-years.  Michael currently is responsible for supporting, enabling and strategically leading the HSO ProServ Team responsible for HSO ProServ D365 installed based customers to accept, adopt the Microsoft platforms to ensure they attain business value and user adoption.

    Gary Mills serves as Senior Vice President of Finance, Planning & Analysis for HSO | ProServ. Gary’s diverse industry background brings a unique perspective to the company, with more than 30 years in corporate finance, banking and commercial real estate.

    In his role as CFO of HSO | ProServ, Brian Lounds leverages deep experience implementing Microsoft Dynamics ERP solutions to drive excellence into the organization’s financial and practice management practices. Having worked with Dynamics solutions since 1998, he has a strong understanding of technology solutions and their application
    to business initiatives.

    Whit McIsaac is CEO of HSO | ProServ and brings over 20 years of leadership experience in the Microsoft Dynamics ecosystem to drive the group’s overall business strategy. Whit was Co-founder and CEO of aec360 and legal360 prior to merging these practices into, where he served as CEO of the Americas prior to launching HSO | ProServ.

    Andy Yeomans brings nearly 20 years of Microsoft Dynamics sales and marketing experience to lead the HSO | ProServ sales organization. Under Andy’s leadership, the organization has shown strong growth and has consistently been recognized by Microsoft as a top performing partner, winning multiple Microsoft Inner Circle and Partner of the Year awards.

    Jan Dahl Sorensen’s deep experience with Microsoft Dynamics gives him a unique foundation to guide the HSO | ProServ client success team. As part of the original development team under Damgaard Data, Jan has been working with the Microsoft Dynamics ERP solutions since 1995.

    Joe Stuckey is EVP and Director of CRM Product Development for HSO | ProServ, leading the company’s CRM product development efforts across the legal, AEC, consulting, and accounting markets. Joe leverages the power of Microsoft Dynamics and Power Platform technologies to design and develop purpose-built industry solutions.

    Paramesh Rajan is VP, Technology at HSO | ProServ. Paramesh has served in many Microsoft Dynamics project and program management roles over the past 20 years, and currently drives the development of the organization’s vertical ERP and HR solutions and outsourced development services.

    A highly respected Microsoft Dynamics veteran, Jen Wisemore serves as CAO for HSO | ProServ. Jen was instrumental in the launch of’s US subsidiary in 2007 and has served in a wide variety of roles within Microsoft Dynamics consultancies across sales, pre-sales, program management, and leadership capacities.

    John Aschenbrener is Director of Delivery Services for HSO | ProServ. John brings over 20 years of Microsoft Dynamics project and program management, consulting, and architect experience to his current role where he is responsible for driving PMO standards, methodology, and overall project delivery.

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    In his role as Chief Operating Officer, Sean Skiver brings nearly 25 years of broad Microsoft Dynamics experience to provide strategic leadership around product development and client delivery services across the organization’s solutions and industry segments.

    Amy Spencer leads the team that is responsible for go-to-market strategies, messaging, and demand generation in the US.

    Amy earned a Bachelor of Arts degree in Communications from The College of New Jersey and has 25+ years of experience in marketing management for technology and professional services companies.

    As Vice President of Human Resources for HSO, Kristen Ramerini is responsible for initiatives including recruitment, onboarding, professional development/career progression, performance management, culture, and employee retention. Prior to her position with HSO, she worked in human resources and recruiting for Seviroli Foods on Long Island and CCN, Inc. in New York City. She holds an MA in Industrial/Organizational Psychology from Hofstra University and is PHR certified.

    Darren Gooding is VP of Delivery for HSO | ProServ, leading the company’s CRM delivery across the legal, AEC, consulting, and accounting markets. Darren applies his 25 years of experience and HSO’s industry focused intellectual property to successfully deliver large-scale, global engagements that ensure customer success.