RSM US
UnclaimedA leading professional services firm delivering audit, tax, consulting, and advisory services to middle-market clients.
Overview
RSM US is a professional services firm that provides audit and assurance, tax, consulting, risk advisory, and technology-enabled services to middle-market companies across diverse industries. The firm supports clients with industry-specific expertise and strategic technology alliances, delivering guidance and capabilities across digital transformation, financial advisory, deal services, sustainability, and related services that help clients navigate growth, risk and change.
Mission statement
To help middle-market organizations navigate complex challenges by delivering practical, insightful, and technology-enabled services that create sustainable value.
What we offer
Audit and Assurance Services
Enhance compliance and decision-making with expert audit and assurance services.
rsmus.com →AI, Analytics And Cloud Services
Leverage AI, analytics, and cloud to transform your business operations.
rsmus.com →Managed Services and Outsourced Solutions
Enhance Efficiency and Governance Across Your Organization.
rsmus.com →Management Consulting
Enhancing client performance through strategic management consulting.
rsmus.com →Deal Services
Expertise in Merger and Acquisition Advisory to Navigate Complex Transactions.
rsmus.com →Private Client Services
Tailored Advisory Solutions For Private Individuals And Families.
rsmus.com →Asset Management
Enhances asset performance and management through expert advisory services.
rsmus.com →Public Company Services
Enhance regulatory compliance and optimize financial performance for public companies.
rsmus.com →Market segments
Market size by segment
Growth potential (CAGR)
Audit and assurance
Independent financial statement audits, internal controls assessment, regulatory compliance audits and risk management to ensure accurate reporting and stakeholder trust.
Products: Audit and Assurance Services, Public Company Services, Private Company Services, Asset Management
Mergers and acquisitions advisory
Transaction advisory including due diligence, valuation, financial modeling, deal structuring and post‑merger integration to support strategic transactions.
Products: Deal Services, Management Consulting, Private Company Services
Cloud migration and AI integration
Cloud strategy, migration, advanced analytics and AI integration services that modernize infrastructure, automate processes and enable data‑driven decisions.
Products: AI, Analytics And Cloud Services, Managed Services and Outsourced Solutions, Management Consulting
Managed services and outsourcing
Outsourced operational and IT management, scalable governance and technology integration to improve efficiency, continuity and cost predictability.
Products: Managed Services and Outsourced Solutions, AI, Analytics And Cloud Services
Wealth and private client advisory
Comprehensive wealth management, estate and tax planning, investment advisory and tailored financial guidance for high‑net‑worth individuals and families.
Products: Private Client Services, Asset Management, Private Company Services
More information about our offering
Audit and Assurance Services
RSM offers comprehensive audit and assurance services tailored for middle-market clients across various industries. These services enable organizations to enhance compliance, improve controls, and streamline their financial reporting processes. Delivered by experienced professionals, our solutions ensure accuracy and reliability, empowering clients to make informed business decisions.
- Ensure Accuracy And ComplianceOur financial statement audits provide a detailed examination that enhances the credibility of financial reports, fostering trust with stakeholders.
- Identify And Mitigate RisksBy evaluating internal controls, we help organizations reduce vulnerabilities and enhance operational effectiveness.
- Achieve Regulatory ComplianceOur audits guide organizations in meeting compliance obligations, avoiding penalties, and maintaining regulatory standards.
- Enhance Risk ManagementOur expertise aids organizations in recognizing risks early, allowing for timely action and mitigation strategies.
- Receive Tailored Audit ServicesWe create customized audit strategies that align with specific organizational goals, ensuring relevance and effectiveness.
AI, Analytics And Cloud Services
AI, analytics and cloud services as part of RSM US's digital transformation offerings.
- Automate OperationsStreamline processes and enhance customer interactions by embedding AI solutions, leading to increased efficiency and improved customer satisfaction.
- Enhance Decision MakingLeverage data-driven insights for informed decisions that drive business growth and innovation, ensuring competitive advantage in the market.
- Optimize Cloud PerformanceAchieve enhanced performance and scalability through tailored cloud strategies, ensuring operational efficiency while maximizing return on investment.
Managed Services and Outsourced Solutions
Managed services and outsourced solutions to improve efficiency and governance. RSM provides comprehensive support tailored to meet the unique needs of organizations, ensuring operational excellence and strategic alignment.
- Tailor-Suited SolutionsEach service is customized to meet your organization’s unique challenges and goals, ensuring maximum relevance and effectiveness.
- Access Industry ExpertsBenefit from a team of seasoned professionals offering strategic advice and support to maximize your organization’s potential.
- Adaptive Service LevelsOffering flexible service structures that seamlessly adapt to your changing organizational requirements and growth.
- Holistic Service CoverageFrom strategy to implementation, we provide full-spectrum services that cover all critical functions and processes in your organization.
- Leverage TechnologyUtilizing the latest advancements in technology, our services enhance efficiency and ensure high-quality outcomes.
Management Consulting
Management consulting to help clients improve strategy, operations and performance.
- Develop Actionable Strategic PlansHelp clients outline a clear path to achieve their objectives, ensuring alignment with their vision and market realities.
- Enhance Operational EfficiencyPinpoint areas of improvement to boost productivity and profit margins through streamlined processes.
- Identify And Mitigate RisksConduct comprehensive assessments to identify potential risks and develop strategies to mitigate them.
- Establish Key Performance IndicatorsImplement systems to track performance, providing data-driven insights to support decision-making.
- Guide Organizational ChangeEquip clients with tools and strategies to manage change effectively, minimizing disruption.
Deal Services
Deal services including merger and acquisition advisory and related support, providing tailored solutions to facilitate strategic transactions and enhance business growth.
- Facilitates Successful TransactionsRSM’s expert advisory team helps clients plan and execute mergers and acquisitions effectively, ensuring alignment with strategic goals and maximizing value.
- Reduces Transaction RisksOur due diligence services ensure clients understand all material aspects of potential deals, allowing for informed decision-making and risk mitigation.
- Determines Fair Market ValueAccurate business valuations help clients identify fair price points and negotiate effectively in mergers and acquisitions.
- Ensures Smooth TransitionPost-merger integration services help organizations effectively combine cultures, processes, and systems, ensuring the longevity of strategic gains.
Private Client Services
RSM's Private Client Services offering includes comprehensive advisory and tailored solutions for private individuals and families, helping them navigate their unique financial challenges and opportunities.
- Enhance Wealth Through Tailored StrategiesWe leverage a deep understanding of financial markets and investment strategies to maximize wealth growth, ensuring that each family's financial legacy is preserved.
- Minimize Tax LiabilitiesWe work with clients to create effective tax strategies that align with their financial goals and minimize their tax exposure, enabling them to focus on their personal and financial objectives.
- Secure Family LegaciesOur estate planning services help families navigate complex inheritance laws and ensure their assets are transferred smoothly to the next generation, preserving their legacy.
- Align Investments With GoalsWe provide personalized investment advice that caters to individual risk profiles, ensuring that portfolios are optimized for performance and aligned with financial objectives.
Private Company Services
Private company services provide advisory and support for privately-held businesses, helping them navigate challenges and enhance their operations.
- Receive Customized GuidanceLeverage tailored advice that aligns with your business objectives to drive sustainable growth and efficiency.
- Identify And Mitigate RisksEnhance your business resilience by proactively addressing risks and uncertainties that could impact your operations.
- Optimize Business OperationsImprove efficiency and efficacy of operations with strategies focused on maximizing productivity and resource utilization.
Asset Management
Asset management services including audit, assurance and advisory support for asset managers.
- Identify Risks And Enhance PerformanceThis feature allows clients to understand their asset portfolios deeply, enabling strategic decision-making to mitigate risks and maximize returns.
- Access Expert GuidanceAllows clients to receive targeted advice on asset management strategies that align with their unique business goals.
- Ensure Compliance With RegulationsEnsuring that clients meet all regulatory guidelines helps to avoid penalties and maintains the integrity of asset management practices.
- Measure And Optimize InvestmentsRegular performance analysis aids clients in making informed investment adjustments to enhance financial outcomes.
- Streamline Operations Using TechnologyEmploying technology enhances efficiency and accuracy in asset management, leading to better operational outcomes.
Public Company Services
RSM offers specialized services for public companies, including compliance, audit, and financial consulting tailored to enhance operational efficiency and ensure regulatory adherence.
- Conduct Thorough AuditsEnsure the integrity of financial statements and enhance credibility with external stakeholders through rigorous audit processes.
- Ensure Compliance With RegulationsNavigate complex regulations and maintain compliance with industry standards to avoid penalties and enhance reputation.
- Deliver Accurate Financial ReportsProvide comprehensive financial reporting that meets regulatory requirements and informs stakeholders effectively.
- Identify Operational RisksRecognize potential risks early and develop strategies to mitigate them, protecting the company’s assets and reputation.
Sources
Methodology and sourcing behind the figures and links shown above.
Audit and assurance
Primary estimates favor industry reports reporting a global auditing/audit-and-assurance market around USD 234–243B with mid-single-digit CAGR. Fortune Business Insights and Zion Market Research both report ~USD 234–243B and ~4.2% CAGR; MRFR reports a lower USD 160B (2024) and 3.75% CAGR while DataHorizzon reports a narrower USD 70.3B (2024) with a higher 6.5% CAGR. I weighted Fortune/Zion most heavily (similar scope and recent years) to estimate ~USD 240B and ~4.2% CAGR; other sources noted scope differences or broader “business assurance” definitions with higher growth assumptions.
- the global auditing services market size was valued at USD 233.95 billion in 2025 and ... CAGR of 4.20%.
- Market Size in 2023 USD 243.45 Billion ... CAGR of 4.23%.
- 2024 Market Size $ 160 Billion ... CAGR (2025 - 2035) 3.75%.
- the global audit and assurance services market was valued at USD 70.3 billion in 2024 ... CAGR of 6.5% (2025–2033).
- Business Assurance Market is estimated to be valued at USD 217.65 Bn in 2026 ... CAGR of 8.4% (2026–2033).
Mergers and acquisitions advisory
Estimates based on multiple market reports in the provided search results. Reanin reports ~USD 28.62B (2025) with 2.6% CAGR; MarketReportsWorld reports ~USD 27.95B (2024) with 2.5% CAGR; BusinessResearchInsights reports ~USD 29.28B (2026) with 2.5% CAGR. I used the mid‑point (~USD 28.6B) and the observed CAGR range (2.5–2.6%), selecting 2.6% as representative of near‑term growth projections.
Cloud migration and AI integration
Estimated 2025/2026 market size combines (a) cloud AI market services portion and (b) cloud/data migration services. Sources show cloud AI market at USD 102.09B (2025, 23.8% CAGR) and migration/data migration markets around USD 14–14.7B (2025–2026, ~14.6–15.2% CAGR). Assuming ~35% of the cloud AI market is services/AI-integration (~USD 36B) and adding migration services (~USD 15B) yields ~USD 51B. Weighted average of cited CAGRs produces an estimated combined CAGR ~21.2%.
- The global cloud AI market size was valued at USD 102.09 billion in 2025 ... exhibiting a CAGR of 23.80% during the forecast period.
- The Cloud Migration Services Market was valued at USD 14.4 Billion in 2025 ... growing at a CAGR of 15.2% from 2027 to 2035.
- The Data Migration Market is estimated to reach USD 14.67 Billion in 2026 ... registering strong growth at a CAGR of 14.6% during the forecast period.
Managed services and outsourcing
Primary baseline is Fortune Business Insights' global valuation of USD 330.4 billion (2025) with a projected CAGR of 14.8% (2026–2034). Other search results show a wide range (MRFR: $197.4B in 2024, 7.18% CAGR; MSPAlliance: ~$441B in 2024 and 11–14% growth; MarketsandMarkets: US $128.07B in 2025, 4.9% CAGR), indicating differing scopes and methodologies. I adopt Fortune's global estimate while noting variance across reports.
- The global managed services market size was valued at USD 330.4 billion in 2025 and... exhibiting a CAGR of 14.80% during the forecast period.
- 2024 Market Size $197.4B; CAGR (2025 - 2035) 7.18%.
- US managed services market size was USD 128.07 billion in 2025; projected to reach $162.52 billion by 2030 at a CAGR of 4.9%.
- Managed services accounted for around $441 billion in 2024 and by 2025 that figure has likely passed $500 billion.
Wealth and private client advisory
Primary estimate uses Future Market Insights (explicit market valuation and CAGR for private wealth management services: USD 724.1M in 2025 and 10.6% CAGR to 2035). Supporting context: large underlying AUM growth (QED) and continued tech/software investment in the sector (private-wealth software market) indicate sustained demand and justify the reported mid-double‑digit service CAGR.
- Global private wealth management market valued at USD 724.1 million in 2025; CAGR 10.6% to USD 1,983.1 million by 2035.
- The wealth management industry represents $62 trillion in AUM and is expected to grow to $85 trillion by 2028.
- U.S. private wealth management software market valued at approximately USD 4.5 billion in 2023, projected CAGR around 8% through 2028.
- RSM US
- Audit and Assurance Services
- AI, Analytics And Cloud Services
- Managed Services and Outsourced Solutions
- Management Consulting
- Deal Services
- Private Client Services
- Private Company Services
- Asset Management
- Public Company Services
- the global auditing services market size was valued at USD 233.95 billion in 2025 and ... CAGR of 4.20%.
- Market Size in 2023 USD 243.45 Billion ... CAGR of 4.23%.
- 2024 Market Size $ 160 Billion ... CAGR (2025 - 2035) 3.75%.
- the global audit and assurance services market was valued at USD 70.3 billion in 2024 ... CAGR of 6.5% (2025–2033).
- Business Assurance Market is estimated to be valued at USD 217.65 Bn in 2026 ... CAGR of 8.4% (2026–2033).
- Market was valued at USD 28,622.01 million in 2025; CAGR 2.6%.
- Market size was valued at USD 27,946.63 million in 2024; CAGR 2.5%.
- M&A Advisory Market globally is expected to be valued at USD 29.28 Billion in 2026; CAGR of 2.5%.
- The global cloud AI market size was valued at USD 102.09 billion in 2025 ... exhibiting a CAGR of 23.80% during the forecast period.
- The Cloud Migration Services Market was valued at USD 14.4 Billion in 2025 ... growing at a CAGR of 15.2% from 2027 to 2035.
- The Data Migration Market is estimated to reach USD 14.67 Billion in 2026 ... registering strong growth at a CAGR of 14.6% during the forecast period.
- The global managed services market size was valued at USD 330.4 billion in 2025 and... exhibiting a CAGR of 14.80% during the forecast period.
- 2024 Market Size $197.4B; CAGR (2025 - 2035) 7.18%.
- US managed services market size was USD 128.07 billion in 2025; projected to reach $162.52 billion by 2030 at a CAGR of 4.9%.
- Managed services accounted for around $441 billion in 2024 and by 2025 that figure has likely passed $500 billion.
- Global private wealth management market valued at USD 724.1 million in 2025; CAGR 10.6% to USD 1,983.1 million by 2035.
- The wealth management industry represents $62 trillion in AUM and is expected to grow to $85 trillion by 2028.
- U.S. private wealth management software market valued at approximately USD 4.5 billion in 2023, projected CAGR around 8% through 2028.
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