Company record · observed Oct 3, 2026 · confidence 100%

UnclaimedIT service providerFounded 192617,000 staffLocal

RSM US LLPIT service provider profile · Chicago, IL

Chicago, IL · localrsmus.com ↗(800) 274-3978

Ownership: AcquiredPublic: NoTicker: ––Acquisition: ––Closed: ––

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MSP score · confidence 100%

30-day change: –– · 2 of 4 change types in 180 days

National rank#1,660of 45,502 · top 4%

IL#68of 1,765 · top 4%

Chicago#22of 487 · top 5%

Badges

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Google 3.9★ (11)Organic ~76,846/moSecurity headers AHosting ApacheDomain 12 yrsNAICS 541211

MSP Signal ranks RSM US LLP #1,660 of 45,502 IT service providers nationally. RSM US LLP is an IT service provider in Chicago, IL, founded 1926, with 17,000 staff. It offers Cybersecurity.

Source: MSP Signal, RSM US LLP company profile, Oct 3, 2026, https://mspsignal.com/msp/rsm-us

Score breakdown

5 pillars · weighted · 68.8 / 100

Reputation30%

60/100

Lifted by more Google reviews and a higher rating.

Presence25%

79/100

Lifted by a stronger website and public profiles.

Credibility20%

55/100

Lifted by a fuller record: services, credentials, pricing.

Scale15%

100/100

Lifted by team size.

Momentum10%

50/100

Lifted by more kinds of change in 180 days.

How the score works

Weighted contribution · how 68.8 is builtscore × weight = points

68.8of 100 · 31.2 unearned

0255075100

PillarScore / 100WeightPoints

Reputation

×30%18.1

Presence

×25%19.8

Credibility

×20%11.0

Scale

×15%15.0

Momentum

×10%5.0

▲ Momentum yields the fewest points per weight, the pillar with the most headroom.

30-day score Δ–no comparable history

30-day rank Δ–no comparable history

Change types · 180 d2 / 4momentum 50

Local rivals · 25 mihow chosen

762 IT service providers within 25 miBasemap © Esri, HERE, Garmin, OpenStreetMap contributors

Claim · free · local benchmarkPreview

rivals by score band · gap to nearest higher / lower · counts, locked rows are previews, not published facts

Signal feed

5 events · 26 wks ending Oct 5, 2026

Activity · returned samplelatest week: 1 event

Counts the returned sample; empty weeks do not prove complete monitoring coverage.

Oct 5, 2026

Security Posture ChangeSecurity Headers Grade: F to A

medium

Sep 21, 2026

Website changedservices removed: erpsource: their website

recorded

Sep 6, 2026

Website changedservices added: erpsource: their website

recorded

Showing the 3 latest of 5.

Signal planSignal plan · full rival watch: every change at every nearby rival.See the Signal plan

Reputation

Google · 11 reviews

3.9

Listing: ––review velocity: 1 in the last 365 days

Star distribution: ––

What reviewers mention

––

Listings

––

Sentiment––

Hours––

Other sources · BBB: –– · Facebook rating: ––

Services and offer

from their site

Cybersecurity

Industries

ConstructionEducationFinanceGovernmentManufacturingNonprofit

Availability

No 24/7 claim on their site

Guarantees

––

Compliance

––

Works with

––

Partners

AWS · Select

Certifications

AWS Certified Data Engineer Associate

Web & search

MSPSIG.RPT search scan · technical record

Organic visits~76,846/ month est.

Domain authority45/ 100

Top keywords · position

Organic keywords, top keywords, backlinks, referring domains and paid search: Signal plan. Owners see their own.

Website technology

.net/db24 7 Media3m 360 Encompass Health Analytics SuiteAclAdpAdp Globalview PayrollAIAmpAsp.netAt&tAWS Analytics

▸ Open technical record · web maturity 70 / 100

SEO15/15

Blog0/15

Pricing0/10

Reviews5/10

Socials10/10

Longevity10/10

Email Auth15/15

Site Depth10/10

Brand Assets5/5

unmeasured components: none

Performance · SEO · Accessibility55 · 92 · 88

Email authSPF · DKIM · DMARC p=none

CDN––

HostingApache

Blognone

Subdomains60

Security headersA

Record & location

Approximate HQ areaBasemap © Esri, HERE, Garmin, OpenStreetMap contributors

Location

30 S Wacker Dr

Founded

1926

Staff

17,000 staff · national median 10

Languages

EnglishEnglish

Annual revenue

$1B to $10B · range · exact estimate on the Signal plan

NAICS

541211, 541611

Also from

––

States served

CA, GA, IA, NC

Headcount change

Growing · 6, 12 and 24 month figures on the Signal plan

People & hiring

5 tracked · 5 leaders

Staff by department

Accounting

1822

Consulting

1733

Finance

676

Operations

628

Business Development

491

Engineering

433

Human Resources

396

Information Technology

300

Hiring · 1 open role

1job postings in 90 days

Executive careers

Careers page ↗ · 1 postings shown, not a directory

Recognition, news & about

public sources

Awards & rankings

CRN MSP 500

7 listings · most recent 2026, Elite 150 · list ↗

CRN Solution Provider 500

7 listings · most recent 2026, #72 · list ↗

Peer mentions in 90 days: 0 · BBB: ––

In the news

RSM US Foundation Bets on Talent from Every Starting Point

Jul 16, 2026 · RSM

RSM’s U.S. midyear economic update: Supply shocks ease

Jul 10, 2026 · The Real Economy Blog

RSM’s global central banking outlook

Jul 9, 2026 · The Real Economy Blog

About

In their own wordsRSM US LLP is a leading provider of audit, tax, and consulting services, primarily focused on the middle market in the United States and Canada. Founded in 1926, the firm is headquartered in Chicago, Illinois, and is part of RSM International, a global accounting network with a presence in over 120 countries. RSM US employs approximately 16,000 professionals and operates 81 offices across the U.S. and Canada. The company offers a wide range of services, including audit and assurance, tax services, consulting, financial advisory, and risk advisory. RSM US specializes in various industries such as financial services, retail, industrial products, and real estate, providing tailored solutions to help organizations optimize operations and maintain compliance. With a commitment to understanding client needs, RSM US aims to be a trusted advisor in an evolving business landscape.

MSPSIG.MEMO · summary from public sourcesRSM US LLP brings thirteen years of cybersecurity expertise to construction, education, finance, and government clients across the country from its Chicago headquarters. With a team exceeding 250 professionals, the firm operates at the national level with particular depth in industries where regulatory requirements and operational continuity shape technology strategy. That tenure and scale position RSM among a selective tier of managed service providers navigating complex security landscapes for large organizations.

Leadership

5 leaders named

0 joined and 0 left in 90 days

names, titles and people moves on the Signal plan

Service areas

––

Partner badge

––

What they say about themselves

site quotations · unconfirmed

Site quotations: ––up to three quotations per category

Frequently asked questions

reuses public facts · FAQ schema

Where is RSM US LLP located?

30 S Wacker Dr.

How many people work at RSM US LLP?

RSM US LLP has 17,000 staff.

What services does RSM US LLP offer?

Cybersecurity.

How does RSM US LLP rank among IT providers in Chicago?

#22 of 487 observed providers in Chicago; #1,660 of 45,502 nationally.

Is RSM US LLP claimed on MSP Signal?

Not claimed.

Claimed · not shown (unclaimed) · Verified data · conditional on field sources · Registered entity · conditional on legal-entity nameLast observed Oct 3, 2026 · Citation: RSM US LLP company profile · https://mspsignal.com/msp/rsm-us

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