Athens Partners
RSM US LLP is a partner-owned, Chicago-headquartered professional services firm and U.S. member of the RSM International network, delivering audit, tax, consulting, risk, deal advisory and managed services to middle-market companies across multiple industries.
- Company typePrivate
- Founded1926
- HeadquartersChicago, United States
- Headcount1–10
- GTM typeB2B
- OfferingServices
What Athens Partners does
RSM US LLP is a partner-owned limited liability partnership and the U.S. member firm of RSM International, a global network of independent assurance, tax and consulting firms. Founded in 1926 in Cedar Rapids, Iowa, and now headquartered in Chicago, the firm delivers audit and assurance, tax, management consulting, risk and cybersecurity consulting, deal advisory, managed services, and family office services to middle-market companies, with additional service lines for private companies, public companies, family offices and private equity clients across industries including manufacturing, technology, financial services, healthcare, real estate and nonprofit.
The firm's technology stack combines proprietary platforms — CorporateSight, FamilySight and PartnerSight — with strategic technology alliances across the major enterprise software ecosystem (Microsoft, NetSuite, Salesforce, ServiceNow, BlackLine, Boomi, Cisco, Dayforce, Sage Intacct and UKG). RSM also operates the Middle Market Business Index and Industry Eminence Program as proprietary research and economic-indicator platforms, and has begun offering agentic and generative AI, analytics and cloud services as part of its digital transformation practice. Go-to-market is primarily direct enterprise field sales through business advisors and relationship managers, supported by thought-leadership content, industry events and The RSM Classic PGA Tour sponsorship.
The firm generates revenue through quote-based professional services engagements billed under multi-year contracts, with pricing dependent on scope, complexity and client size and not publicly disclosed. As of the 2025 transatlantic partnership announcement, RSM US and its aligned member firms across the U.S., UK, Canada, Ireland, India and El Salvador comprise 23,000 professionals generating approximately $5 billion in aggregate annual revenues, with reach into 120+ countries through RSM International.
Athens Partners firmographics
Firmographics- Name
- Athens Partners
- Legal name
- RSM US LLP
- Website
- https://athenspartners.com
- Company type
- Private
- Founded year
- 1926
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- RSM US LLP is a partner-owned, Chicago-headquartered professional services firm and U.S. member of the RSM International network, delivering audit, tax, consulting, risk, deal advisory and managed services to middle-market companies across multiple industries.
- Ownership category
- akta.pro rank
Athens Partners industry classification
Industry- Product category
- Professional Services (Audit, Tax, Consulting)
- NAICS
- Management Consulting Services (54161), Offices of Certified Public Accountants (541211), Other Management Consulting Services (541618)
- SIC
- Services-Management Consulting Services (8742), Services-Engineering, Accounting, Research, Management (8700)
- akta.pro primary industry
- Strategy & IT Advisory (BPAEAAAA)
- akta.pro secondary industry
- Strategic Partnerships, Alliances & JVs Advisory (BPAHADAI)
Keywords
Where Athens Partners is headquartered
LocationHeadquarters
- HQ city
- Chicago
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
Athens Partners business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Audit and Assurance Services: Traditional assurance and audit services for public and private companies, providing independent verification and financial reporting credibility
- Tax Services: Business tax, personal tax, and tax policy advisory services for middle market and private company clients
- Management Consulting: Management consulting, business strategy, digital transformation, and operational advisory services
- Risk and Cybersecurity Consulting: Risk consulting, fraud prevention, and cybersecurity services for middle market organizations
- Deal Services / M&A: Merger, acquisition, and transaction advisory services
- Managed Services: Outsourced solutions and managed services for ongoing business support
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Professional services engagement pricing |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels6 records
Athens Partners product offering
Product offeringCore offering
Athens Partners is a professional services firm delivering audit and assurance, tax, management consulting, risk and cybersecurity consulting, and deal/M&A advisory services to middle market companies. The firm supplements core services with managed services, family office services, sustainability/ESG consulting, and digital transformation (AI, analytics, cloud) capabilities. Service delivery is enabled by proprietary platforms (CorporateSight, FamilySight, PartnerSight) and strategic technology alliances with major enterprise software providers.
Product overview
RSM US LLP is a professional services firm offering a comprehensive suite of audit, tax, and consulting services to middle market companies. The firm operates on a platform-plus-specialized-services model, combining core offerings (Audit and Assurance, Tax Services, Risk Consulting, and Management Consulting) with targeted service lines (Deal Services, Private Client Services, Sustainability/ESG, and Managed Services). RSM enhances its delivery through strategic technology alliances with platforms including Microsoft, NetSuite, Salesforce, ServiceNow, and others, supplemented by proprietary platforms (CorporateSight, FamilySight, PartnerSight). The firm also publishes economic research through The Real Economy and the RSM US Middle Market Business Index. In 2025, RSM launched a transatlantic partnership with RSM UK, creating a unified platform across 120+ countries with 23,000 professionals and $5 billion in aggregate revenues.
Differentiator
Problem solved
Functional benefit
Brands
- CorporateSight: Technology platform for corporate insights and analysis.
- FamilySight
- PartnerSight
- The RSM Classic
Companies that use Athens Partners
Customer profileNamed customers5 records
Segments5 records
Ideal customer profiles3 records
Athens Partners technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration13 records
AI capability1 record
Feature4 records
Athens Partners partnerships and signals
Strategic signalPartnerships
17 partnerships are on record, tiered core, minor and key.
- RSM International NetworkcoreRSM US LLP is the U.S. member firm of RSM International, a global network of independent assurance, tax and consulting firms. The network spans more than 120 countries with 23,000+ professionals generating $5 billion in aggregate annual revenues. In 2025, RSM US LLP and RSM UK Holdings Limited launched a new transatlantic partnership effective January 1, 2026, establishing a partner-owned platform designed to enhance global client service, align governance and incentives, and accelerate growth.
- Pledge 1%minorCorporate philanthropy movement dedicated to making the community a key stakeholder in every business by empowering companies to donate 1% of product, equity, profit or employee time to improve communities
- MicrosoftcoreStrategic technology alliance providing AI, analytics, cloud services, and enterprise solutions integration through Microsoft's technology platforms
- NetSuitecoreStrategic alliance for cloud ERP implementation and integration services
- SalesforcecoreStrategic alliance for CRM implementation and customer experience solutions, with expanded Salesforce practice capabilities through acquisitions
- ServiceNowcoreStrategic alliance for digital workflow and enterprise service management solutions
- Sage IntacctkeyStrategic alliance for cloud financial management and accounting solutions
- BlackLinekeyStrategic alliance for financial close automation and accounting solutions
- BoomikeyStrategic alliance for cloud-based integration and API management
- DayforcekeyStrategic alliance for human capital management and workforce solutions
- UKGkeyStrategic alliance for HR and payroll management solutions
- CiscokeyStrategic alliance for networking and cybersecurity solutions
- CEO Action for Diversity & InclusionkeyRSM joined more than 150 organizations in recognizing Day of Understanding to address bias and increase understanding in the workplace. Six RSM individuals were selected to represent the firm in CEO Action for Racial Equity fellowship program
- U.S. Chamber of CommercekeyPartnership dedicated to increasing awareness of business and economic issues affecting the middle market, announced in 2017
- Junior Achievement USAminorJoint launch of JA Take Stock in Your Future program to help high school students understand the stock market and demystify investing
- AscendminorJoined consortium of 80+ companies launched by Ascend, the largest nonprofit Pan-Asian membership organization for business professionals and executives in North America, to address COVID-19 impacts
- PGA TourcoreTitle sponsor of The RSM Classic PGA Tour event since 2010, serving as the ultimate client experience platform. Expanded Birdies Fore Love charitable giving platform in 2018 to enhance charitable donations
Scale indicators4 records
Recent moves7 records
Expansion highlights6 records
Athens Partners competitors and assessment
Company assessmentDirect peers
- CliftonLarsonAllen (CLA): CLA is a top-10 U.S. accounting and professional services firm focused on middle-market companies, offering audit, tax, consulting, and wealth advisory. CLA's PE-backed growth and middle-market focus make it a direct strategic competitor to RSM.
- Baker Tilly US: Baker Tilly is a leading advisory, tax, and assurance firm serving middle-market clients with a similar industry coverage and service breadth as RSM. Both firms are part of broader global networks and target comparable client profiles.
- Marcum LLP: Marcum is a top-15 U.S. accounting and advisory firm serving middle-market clients with audit, tax, and consulting services, with comparable industry focus and similar partner-owned structure.
- BDO USA: BDO is the closest direct peer to RSM in the U.S., offering audit, tax, and advisory services with a similar middle-market focus and comparable scale. Both firms compete head-to-head for middle-market engagements across the same industry verticals.
- Grant Thornton US: Grant Thornton is a direct competitor serving middle-market and growth-stage companies with audit, tax, and advisory services. Its positioning, target client base, and service mix closely mirror RSM's middle-market strategy.
- Crowe LLP: Crowe is a top-10 U.S. accounting and advisory firm focused on middle-market companies, offering audit, tax, consulting, and risk services in direct competition with RSM across multiple sectors including financial services, healthcare, and manufacturing.
Broad incumbents
- PwC US: PwC is a Big Four firm offering the same audit, tax, and consulting service lines as RSM, with particular overlap in M&A advisory, risk consulting, and technology implementation. PwC's scale and global brand set the competitive ceiling for RSM's ambitions.
- KPMG US: KPMG is a Big Four firm with comparable audit, tax, and advisory service lines and growing middle-market focus. Its technology alliances and consulting practice directly overlap with RSM's enterprise platform relationships.
- EY US (Ernst & Young): EY is a Big Four firm with substantial U.S. middle-market practice and consulting arm that competes with RSM across audit, tax, transaction advisory, and digital transformation services.
- Deloitte US: Deloitte is a Big Four incumbent that competes with RSM across audit, tax, consulting, and risk services, particularly at the upper-middle-market segment. While broader in scope and larger in scale, Deloitte increasingly targets RSM's middle-market segment.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights6 records
Customer concentration
Athens Partners social profiles
Digital presenceAthens Partners financial estimates
Financial estimateRevenue estimate
Valuation estimate
Athens Partners leadership team
Management profileNumber of profiles
Athens Partners funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Athens Partners 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 Athens Partners
What does Athens Partners do?
Athens Partners is a professional services firm delivering audit and assurance, tax, management consulting, risk and cybersecurity consulting, and deal/M&A advisory services to middle market companies. The firm supplements core services with managed services, family office services, sustainability/ESG consulting, and digital transformation (AI, analytics, cloud) capabilities. Service delivery is enabled by proprietary platforms (CorporateSight, FamilySight, PartnerSight) and strategic technology alliances with major enterprise software providers.
Is Athens Partners a public or private company?
Athens Partners is a private company. It is classified as management employee owned and is currently operating.
When was Athens Partners founded?
Athens Partners was founded in 1926. It employs 1 to 10 people.
Where is Athens Partners based?
Athens Partners is headquartered in Chicago, United States, in the North America region.
How does Athens Partners make money?
Six revenue lines are on record. Audit and Assurance Services are the primary driver. The others are tax Services, management Consulting, risk and Cybersecurity Consulting, deal Services / M&A and managed Services.
Who are Athens Partners's main competitors?
Direct peers on record are CliftonLarsonAllen (CLA), Baker Tilly US, Marcum LLP, BDO USA, Grant Thornton US and Crowe LLP. Broad incumbents are PwC US, KPMG US, EY US (Ernst & Young) and Deloitte US.
Does Athens Partners have an API?
No public API is recorded for Athens Partners.
What industry is Athens Partners in?
Athens Partners's product category is Professional Services (Audit, Tax, Consulting). Its primary akta.pro industry code is BPAEAAAA, Strategy & IT Advisory, with a secondary code of BPAHADAI, Strategic Partnerships, Alliances & JVs Advisory. Its NAICS code is 54161 and its SIC code is 8742.