RSM US LLP
RSM US LLP is the 5th largest U.S. accounting firm (founded 1926, Chicago) and the U.S. member of RSM International, delivering assurance, tax, and consulting services to middle-market companies across 77 U.S. cities.
- Company typePrivate
- Founded1926
- HeadquartersChicago, United States
- Headcount1–10
- GTM typeB2B
- OfferingServices
What RSM US LLP does
RSM US LLP is the U.S. member firm of the RSM International network and ranks as the 5th largest accounting firm in the United States (Accounting Today, 2026). Founded in Chicago in 1926 and now operating across 77 U.S. cities, 6 Canadian locations, El Salvador, and 4 India locations, the firm employs more than 17,900 partners, principals, and employees across North America (combined RSM US and RSM Canada). It delivers assurance and audit, tax (business, personal, state and local, international, transfer pricing, compliance), and consulting services — spanning management consulting, digital transformation, risk and cybersecurity, M&A advisory, financial consulting, family office, and managed services — focused primarily on U.S. middle-market companies responsible for roughly a third of U.S. employment and 40% of GDP.
The firm monetizes through engagement-based, quote-driven professional services rather than standardized or self-service pricing. Its GTM is a sales-led, enterprise field sales model targeting middle-market and internationally active organizations, delivered through client-facing partners and supported by a multi-channel marketing program (The Real Economy blog, the Middle Market Business Index, Technology Blog, War Room cybersecurity blog, email newsletters, social media, webinars, and the RSM Classic client experience). Customer segmentation is hybrid by industry and size tier, with primary emphasis on growth-oriented middle-market businesses and secondary coverage of public companies and private clients/family offices, served through industry practices spanning 20+ verticals (asset management, automotive, financial institutions, health care, private equity, technology, etc.).
Technically, RSM is a professional services firm rather than a packaged-software company. Its proprietary technology surface includes CorporateSight® (corporate tax function platform), FamilySight® (family office tax technology), PartnerSight® (partner-level insights), the RSM Defense™ managed Security Operations Center with 24/7/365 monitoring and extended detection-and-response automation, and RSM Catamaran as an integrated outsourced solutions suite for finance, IT, risk, and HR functions. Service delivery is anchored by deep strategic alliances with major enterprise platforms (Microsoft, NetSuite, Salesforce, ServiceNow, Sage Intacct, BlackLine, Boomi, Dayforce, UKG, Cisco, Oracle), with the firm recognized as NetSuite's 2024 Worldwide Solution Provider of the Year, Boomi's 2025 Americas Partner of the Year, and recipient of multiple BlackLine partner awards, evidencing ecosystem-driven revenue and implementation depth.
RSM US LLP firmographics
Firmographics- Name
- RSM US LLP
- Legal name
- RSM US LLP
- Website
- https://wnnpc.com
- Company type
- Private
- Founded year
- 1926
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- RSM US LLP is the 5th largest U.S. accounting firm (founded 1926, Chicago) and the U.S. member of RSM International, delivering assurance, tax, and consulting services to middle-market companies across 77 U.S. cities.
- Ownership category
- akta.pro rank
RSM US LLP industry classification
Industry- Product category
- Accounting and Advisory Services
- NAICS
- Offices of Certified Public Accountants (541211), Professional, Scientific, and Technical Services (541)
- SIC
- Services-Engineering, Accounting, Research, Management (8700), Services-Management Consulting Services (8742)
- akta.pro primary industry
- Tax Operations Support (Indirect Tax, Withholding, Compliance Admin) (BPAAAGAI)
Keywords
Where RSM US LLP is headquartered
LocationHeadquarters
- HQ city
- Chicago
- HQ country
- United States
- HQ region
- North America
Offices3 records
Markets served
RSM US LLP business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure, Others
Revenue model
- Assurance / Audit Services: Audit and assurance services provided to middle market and public company clients. Delivered by certified professionals across RSM's U.S. office network.
- Tax Services: Business tax, personal tax, state and local tax, international tax, transfer pricing, and tax compliance services for middle market entities.
- Consulting / Advisory Services: Management consulting, digital transformation, risk consulting, cybersecurity, managed services, M&A advisory, and financial consulting services.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels7 records
RSM US LLP product offering
Product offeringCore offering
RSM US LLP is the 5th largest accounting firm in the U.S., providing assurance (audit), tax, and consulting services focused on the middle market. The firm delivers professional services including audit and assurance, business and personal tax, state and local tax, international tax, transfer pricing, M&A advisory, risk/fraud/cybersecurity consulting, digital transformation, business applications implementation, managed services and family office services to growth-oriented businesses across 20+ industry verticals.
Product overview
RSM US LLP is a professional services firm (the 5th largest accounting firm in the U.S.) providing assurance, tax, and consulting services focused on the middle market. The firm operates as a services-based consultancy rather than a software product company. Its proprietary technology assets include CorporateSight® (corporate tax function technology), FamilySight® (family office tax technology), and PartnerSight® (partner insights platform). The firm also offers RSM Defense™ as a managed security services SOC platform. RSM's service delivery is organized around industry specializations (technology, healthcare, manufacturing, etc.) and service lines (audit, tax, consulting, risk/fraud/cybersecurity, digital transformation).
Differentiator
Problem solved
Functional benefit
Brands
- RSM Defense: Managed security operations center (SOC) offering 24/7/365 monitoring for suspicious and confirmed cyber threats, part of RSM's cybersecurity and managed security services.
- RSM Catamaran
- CorporateSight
- FamilySight
- PartnerSight
- RSM Classic Experience
Products and services
- Audit and Assurance Services Audit and assurance services provided to middle market and public company clients, delivered by certified professionals across the U.S. office network.
- Tax Services Business tax, personal tax, state and local tax, international tax, transfer pricing, and tax compliance services for middle market entities and individuals.
- Management Consulting Management consulting, business strategy and operations support for middle market companies addressing transformation, talent, and operational challenges.
- RSM Defense Managed Security Operations Center (SOC) Proprietary managed security operations center offering 24/7/365 monitoring for suspicious and confirmed threats, with automated workflows reducing mean-time-to-detect and dwell time across PCs, mobile devices, on-premises data centers and cloud environments.
- Deal Services (M&A Advisory) M&A advisory, transaction support, and deal-related consulting services for middle market buyers, sellers, and private equity investors.
- Risk, Fraud and Cybersecurity Consulting Risk consulting, fraud investigations, and cybersecurity advisory services including compliance, governance, and risk management for middle market organizations.
- Family Office Services Tax, advisory, governance, succession planning and wealth management services for family offices and high-net-worth families.
- Private Client Services Personal tax planning, estate, trust and wealth advisory services for high-net-worth individuals and executives.
- Managed Services and Outsourced Solutions (RSM Catamaran) Suite of integrated, outsourced solutions for finance, IT, risk and HR functions delivered as ongoing managed services to middle market companies.
- Business Applications Implementation Implementation and consulting for enterprise business applications (Microsoft, NetSuite, Salesforce, ServiceNow, Oracle, Sage, BlackLine, Boomi, Dayforce, UKG, Cisco) across ERP, CRM, HCM and finance close automation.
- Digital Transformation Services (AI, Analytics and Cloud) AI, analytics, and cloud services helping middle market organizations modernize technology, data platforms, and operations.
- Sustainability and ESG Services Sustainability and ESG advisory and reporting services for middle market companies pursuing environmental, social, and governance objectives.
- CorporateSight A technology platform providing insights and perspectives on using technology to improve the corporate tax function, helping corporate tax departments manage workloads, address changing tax laws, and reduce time on low-level tasks.
- FamilySight A technology platform providing insights and perspectives on using tax technology to improve family office operations, covering operational excellence, governance, next-gen and succession planning, and tax and regulatory compliance.
- PartnerSight A platform providing insights related to partner-level technology and management consulting services.
Companies that use RSM US LLP
Customer profileNamed customers1 record
Segments4 records
Ideal customer profiles3 records
RSM US LLP technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
RSM US LLP partnerships and signals
Strategic signalPartnerships
14 partnerships are on record, tiered core.
- MicrosoftcoreRSM maintains a strategic technology alliance with Microsoft, providing business applications, cloud solutions, and digital transformation services to middle market clients. RSM is recognized as a top Microsoft partner.
- NetSuitecoreRSM is a NetSuite solution provider and was named NetSuite's 2024 Worldwide Solution Provider of the Year. RSM delivers NetSuite ERP implementation and consulting services.
- SalesforcecoreRSM provides Salesforce implementation and consulting services as part of its strategic technology alliances, serving CRM and customer experience needs of middle market clients.
- ServiceNowcoreRSM is a ServiceNow partner providing service management and digital workflow solutions. RSM has participated in ServiceNow's CPQ Early Adopter Program.
- Sage IntacctcoreRSM delivers Sage Intacct cloud ERP implementation and consulting services to middle market clients as part of its strategic technology alliance.
- BlackLinecoreRSM is a BlackLine partner providing financial close automation and account reconciliation solutions. RSM has won two BlackLine Partner Awards.
- BoomicoreRSM was named Boomi's 2025 Americas Partner of the Year, providing integration platform services to clients.
- DayforcecoreRSM provides Dayforce human capital management implementation services as part of its strategic technology alliances.
- UKGcoreRSM provides UKG (Ultimate Kronos Group) HR and workforce management solutions implementation services.
- CiscocoreRSM provides Cisco technology consulting including IT infrastructure, hybrid work environment, and network security solutions.
- CeridiancoreRSM maintains a strategic relationship with Ceridian, providing Dayforce HCM platform implementation and consulting services.
- OraclecoreRSM maintains strategic relationships with Oracle as part of its business applications practice, advising clients on Oracle solutions.
- SagecoreRSM delivers Sage accounting and ERP solutions as part of its strategic technology vendor relationships.
- RSM InternationalcoreRSM US LLP is the U.S. member firm of RSM International, a global network of independent audit, tax and consulting firms spanning 120 countries with 56,000 people. Member firms collaborate to provide services to global clients.
Scale indicators6 records
Recent moves7 records
Expansion highlights6 records
RSM US LLP competitors and assessment
Company assessmentBroad incumbents
- KPMG: KPMG is a Big 4 global professional services firm providing audit, tax, and advisory services; it overlaps with RSM in middle market and PE-backed engagements and represents both a competitor and a network benchmark.
- Deloitte: Deloitte is the largest professional services firm globally and a Big 4 incumbent; while serving enterprise and large-cap clients broadly, it is increasingly competing with RSM in the middle market with greater resources and brand recognition.
Direct peers
- CliftonLarsonAllen (CLA): CLA is a Top 10 U.S. accounting firm focused on middle market businesses, providing directly comparable audit, tax, and advisory services with similar client profiles in industries such as manufacturing, healthcare, and financial services.
- Plante Moran: Plante Moran is a major U.S. accounting and business advisory firm serving middle market companies with directly comparable audit, tax, consulting, and technology services, particularly concentrated in manufacturing and private equity.
- Marcum LLP: Marcum is a major U.S. accounting and advisory firm serving middle market and growing businesses, competing directly with RSM in audit, tax, and consulting with strong overlap in industries such as real estate, manufacturing, and financial services.
- Grant Thornton: Grant Thornton is a top U.S. accounting and advisory firm with a comparable middle market orientation, competing head-to-head with RSM across audit, tax, and consulting engagements for growth-oriented mid-sized clients.
- BDO USA: BDO USA is the 6th-largest U.S. accounting firm and a near-direct competitor to RSM, sharing the same middle market focus across audit, tax, and consulting services with comparable industry vertical coverage.
- Crowe LLP: Crowe is a major U.S. public accounting and consulting firm with significant middle market presence, competing with RSM in audit, tax, and consulting services for mid-sized public and private companies.
- Baker Tilly US: Baker Tilly is a top U.S. advisory, tax, and assurance firm focused on middle market clients, offering directly comparable services across audit, tax, consulting, and technology implementation.
- Moss Adams: Moss Adams is a Top 15 U.S. accounting and business advisory firm with strong middle market and Western U.S. focus, providing directly comparable assurance, tax, and consulting services.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks5 records
Key highlights7 records
Customer concentration
RSM US LLP social profiles
Digital presenceRSM US LLP financial estimates
Financial estimateRevenue estimate
Valuation estimate
RSM US LLP leadership team
Management profileNumber of profiles
Profiles12 records
RSM US LLP subsidiaries and ownership
Company hierarchySubsidiaries1 record
RSM US LLP funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
RSM US LLP M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about RSM US LLP
What does RSM US LLP do?
RSM US LLP is the 5th largest accounting firm in the U.S., providing assurance (audit), tax, and consulting services focused on the middle market. The firm delivers professional services including audit and assurance, business and personal tax, state and local tax, international tax, transfer pricing, M&A advisory, risk/fraud/cybersecurity consulting, digital transformation, business applications implementation, managed services and family office services to growth-oriented businesses across 20+ industry verticals.
Is RSM US LLP a public or private company?
RSM US LLP is a private company. It is classified as management employee owned and is currently operating.
When was RSM US LLP founded?
RSM US LLP was founded in 1926. It employs 1 to 10 people.
Where is RSM US LLP based?
RSM US LLP is headquartered in Chicago, United States, in the North America region.
How does RSM US LLP make money?
Three revenue lines are on record. Assurance / Audit Services are the primary driver. The others are tax Services and consulting / Advisory Services.
Who are RSM US LLP's main competitors?
Broad incumbents on record are KPMG and Deloitte. Direct peers are CliftonLarsonAllen (CLA), Plante Moran, Marcum LLP, Grant Thornton, BDO USA, Crowe LLP, Baker Tilly US and Moss Adams.
Does RSM US LLP have an API?
No public API is recorded for RSM US LLP.
What industry is RSM US LLP in?
RSM US LLP's product category is Accounting and Advisory Services. Its primary akta.pro industry code is BPAAAGAI, Tax Operations Support (Indirect Tax, Withholding, Compliance Admin). Its NAICS code is 541211 and its SIC code is 8700.