SumnerOne
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MSP Signal ranks SumnerOne #1,720 of 39,816 IT service providers nationally. SumnerOne is a Managed service provider in St. Louis, MO, founded 1952, with 250+ staff. It offers Backup Dr, Cybersecurity.
Source: MSP Signal, SumnerOne company profile, Sep 15, 2026, https://mspsignal.com/msp/sumnerone
Score and rank
- National
- #1,720 of 39,816
- State
- #28 of 494
- City
- #10 of 97
| Reputation | 63 | 0.30 | |
|---|---|---|---|
| Presence | 83 | 0.25 | |
| Credibility | 48 | 0.20 | |
| Scale | 89 | 0.15 | |
| Momentum | 50 | 0.10 |
2 of 4 change types in 180 days
Confidence 0.83 What this means · How the score works
Local rivals
Local rival data is not yet available for this company.
Services and offer
- Industries served
- Education, Government, Healthcare, Legal, Manufacturing
- Works with
- DattoMicrosoft365Vmware
- Certifications
- None listed on their site, checked 2026-08-13 source
- Partner designations
- cisco
- Guarantees advertised
- Response Time
- Pricing
- No pricing published on their site, checked 2026-08-14 source
Reputation
No Google listing matched to this company yet.
Mostly praised for responsive service and friendly staff, but serious billing and equipment pickup complaints from long-term customers.
Recent changes
Change detection: same-source field changes since Sept 17, 2026; site re-crawl every 7 days since Sept 16, monthly before that.
- Jul 8, 2026▪▪▪detected
Rating changed
SumnerOne: Google rating moved from 4.5 to 4.1, July 2026.
4.5 to 4.1
- Jul 8, 2026▪detected
Review count changed
SumnerOne: review count moved from 41 to 27, July 2026.
41 to 27
Location
6691 Manchester Avenue, St. Louis, MO, 63139
Firmographics
- Staff
- 250+ source
- Founded
- 1952
- Revenue range
- $10M - $50M
- Domain
- Online since 2014
- NAICS codes
- 423430, 541512
About
SumnerOne is a leading independent office technology dealer based in St. Louis, Missouri. Founded in 1955, the company serves a wide range of clients across Missouri, Kansas, Illinois, Arkansas, Oklahoma, Texas, and Arizona. SumnerOne is dedicated to exceeding customer expectations in printing, IT, and document technology. The company offers a comprehensive suite of services and products, including printing and copier hardware, managed IT services, document management solutions, and cybersecurity. They provide specialized print solutions through partnerships with Fujifilm, enhancing their offerings in production and large-format printing. SumnerOne focuses on helping organizations optimize workflows and improve productivity with tailored technology solutions. Recently, the company was acquired by Flex Technology Group, which has expanded its market reach and capabilities.
SumnerOne ranks third among roughly 40 managed service providers in Springfield, serving education, government, healthcare, and legal sectors across the region. The 250-person firm handles backup and disaster recovery alongside cybersecurity services, operating in the top 6% nationally. Over a dozen years in business, SumnerOne has established itself within Missouri's roughly 300 managed service providers.
Summary by MSP Signal, from public sources
Web presence
Open technical record
- Web maturity
- 75
- Page quality
- Performance 64, Seo 100, Accessibility 93
- Email security
- DKIM not checked
- Technology
- Hubspot, Microsoft Office 365
- Platform
- Hubspot Cms
- CDN
- Cloudflare
- Hosting
- Hubspot Cms
- Blog
- Slowing
- Subdomains
- 34
Search presence
- Organic visits
- ~2800/mo est.
- Organic keywords
- 1,323
- Domain authority
- 29
- Backlinks
- 2,395
- Referring domains
- 765
People
People data not yet observed for this company.
People data from public professional profiles. We show leadership by name and everyone else as counts. Request removal.
Hiring
13 open roles observed
-7 roles in 90 days.
- SALES DEVELOPMENT REPRESENTATIVEsalesAug 27, 2026
- Sales Development RepresentativesalesAug 17, 2026
- Onsite Print Support Specialistservice_deskJun 11, 2026
- Sales Manager (Tulsa/Oklahoma City, OK)salesJun 11, 2026
- Supply CoordinatorleadershipJun 11, 2026
- Sales Account Manager (St. Louis, MO.)salesJun 10, 2026
- Sales Account ManagersalesMay 26, 2026
- Delivery & Installation DriverMay 15, 2026
- Sales Account ManagersalesApr 13, 2026
- Sales Account Manager (Lenexa, KS.)salesApr 13, 2026
- Contracts Billing SpecialistApr 13, 2026
- SumnerOne Employment ApplicationdevelopmentFeb 19, 2026
- Sales Professionals General ApplicationsalesFeb 16, 2026
Jobs observed via adp.
Recognition
No directory listings or awards observed.
Frequently asked questions
- Where is SumnerOne located?
- SumnerOne is located in 6691 Manchester Avenue, St. Louis, MO, 63139.
- How many people work at SumnerOne?
- SumnerOne has an observed staff range of 250+.
- What services does SumnerOne offer?
- SumnerOne offers Backup Dr, Cybersecurity.
- How does SumnerOne rank among IT service providers in St. Louis?
- SumnerOne ranks #10 of 97 observed IT service providers in St. Louis.
- Is SumnerOne claimed?
- SumnerOne is not claimed on MSP Signal.
Sources and corrections
Observed Sep 15, 2026.
Source: MSP Signal, SumnerOne company profile, Sep 15, 2026, https://mspsignal.com/msp/sumnerone
MSP Signal never publishes email addresses.