MSP Rankings · St. Louis, MO

Best MSPs in St. Louis, MO (2026)

Kate Larsen, IT Research Analyst · Last updated: May 7, 2026 · No paid placements
ThrottleNet ranks #1 among St. Louis managed service providers, with 741+ verified Google reviews, 12 consecutive years as Small Business Monthly’s top-rated IT firm, and 10+ years on the Channel Futures MSP 501 list. GadellNet and ATB Technologies follow for their multi-year national award presence. Every provider here is scored using the itreviews.co Trust Score methodology across six independently verified criteria. No provider paid for placement.

Quick Picks

  • Best Overall: ThrottleNet (8.7/10)
  • Best for Strategic IT Partnership: GadellNet Consulting Services (8.3/10)
  • Best for Mid-Market: ATB Technologies (8.2/10)
  • Best for Financial Services / M&A IT: Anders Technology (8.1/10)
  • Best for SMBs on a Tight Budget: Anderson Technologies (7.4/10)

Finding an MSP in St. Louis isn’t the hard part. Finding one you can actually trust is. There are dozens of providers in the metro area, and most of them look the same at a glance. Full-service IT. Responsive helpdesk. Cybersecurity. The websites say the same things.

The itreviews.co scoring methodology cuts through that. Every provider on this list was evaluated on six independently researched criteria: verified client reviews, third-party industry recognition, years in operation, physical presence in the St. Louis market, documented industry specialization, and service breadth. See how we score every provider before you read a single ranking.

This list covers St. Louis-area MSPs serving SMBs and mid-market businesses. If you’re evaluating IT providers for a company with 10 to 500+ employees, this is built for you.


How We Ranked These MSPs

Trust Score Factors — St. Louis MSP Rankings

35%
Review ScoreVerified reviews from Clutch, Google, and Cloudtango. Clutch carries the most weight because reviews are conducted via verified phone interviews, not self-submitted ratings. Star rating and volume both count on a logarithmic scale.
20%
Industry Awards & RecognitionChannel Futures MSP 501, CRN MSP 500, Inc. 5000, and Cloudtango MSP Select. Multiple consecutive appearances score higher than a single appearance. Regional business awards contribute at a lower weight.
15%
Years in Business & Operational MaturityFounding year triangulated across website, LinkedIn, and domain registration. Longevity signals client retention and operational stability — two things you can’t fake for 20+ years.
10%
Physical PresenceEvery provider is verified as genuinely operating in the St. Louis metro, not claiming local coverage from a satellite address.
10%
Industry SpecializationDocumented expertise in specific verticals, not just a checkbox. Dedicated service pages, named compliance frameworks (HIPAA, CMMC, FINRA), and real case studies count.
10%
Service BreadthThe difference between a helpdesk-only provider and a full-service MSP is real. We evaluate documented services, not just service names listed on a homepage.

No provider can buy their way to the top. Rankings are earned through scoring, not spending. Read the full methodology →


St. Louis MSP Comparison at a Glance

ProviderScoreBest ForKey StrengthLocationNotable Limitation
ThrottleNet8.7/10Businesses wanting proven, high-volume local support741+ Google reviews; 12-year regional #1St. Louis (HQ)Less suited for enterprise-scale or national footprint
GadellNet8.3/10SMB to mid-market, multi-city support8x Inc. 5000; 8-year CRN Top 250St. Louis HQ / Indy / DenverGeographic spread may dilute local attention
ATB Technologies8.2/10Mid-sized businesses, 40+ workstations5 consecutive MSP 501 appearancesChesterfield (St. Louis area)40-workstation minimum; smaller orgs look elsewhere
Anders Technology8.1/10Mid-market, financial services, M&A ITCRN Elite 150; Microsoft Azure Advanced SpecializationSt. Louis (Anders CPA firm)Full IT outsourcing less emphasized than advisory
The Miller Group7.5/10SMBs wanting long-tenured local partner40 years in St. Louis; Microsoft Security PartnerSt. Louis (HQ since 1985)Fewer verified third-party review signals than top three
Anderson Technologies7.4/10Small businesses, limited workstations30 years; family-owned; strong SMB testimonialsWest St. Louis areaBest for smaller footprints; less enterprise track record
NOC Technology6.9/10Leaders wanting a high-touch strategic partnerLocal-first; 15-second live answer SLASt. Louis (HQ)Newer entrant; limited Tier 1 award history

The Top 7 MSPs in St. Louis, MO

1
ThrottleNet
St. Louis’s Most Reviewed and Decorated MSP
8.7
out of 10
Trust Score
ThrottleNet managed IT services St. Louis homepage

ThrottleNet has been the most-reviewed MSP in St. Louis for years. With 741+ five-star Google reviews and 12 consecutive years ranked #1 by Small Business Monthly, this isn’t a company that had one good year. They’ve built a system that produces consistent results at volume — exactly what showing up at the top of an independent ranking requires.

Key Strengths

  • More than 741 verified Google reviews at a near-5-star rating — not just a vanity metric, it reflects hundreds of real clients, real tickets, real outcomes
  • 10+ consecutive years on the Channel Futures MSP 501, one of the most rigorously validated MSP rankings in the industry. Making it once is notable; making it a decade-plus running is a different signal entirely
  • Published 2-minute average helpdesk response time and 93% same-day resolution rate — concrete operational commitments, not marketing language
  • Full-service stack documented with real depth: managed network, cloud services (cloud desktop, server, mail, voice), cybersecurity, backup and DR, vCIO, and co-managed IT for internal teams
  • Founded in 1999 and expanded to Kansas City in early 2025, signaling growth without abandoning their St. Louis-first model

Limitations

  • No enterprise-level or national footprint — if you’re a multi-state organization with complex compliance requirements in multiple jurisdictions, their model is designed around the Midwest
  • Clutch profile was unclaimed at time of research, meaning fewer independently verified client case studies through that platform than their Google volume would suggest
  • Primarily serves SMBs and mid-market — if you need CMMC, HITRUST, or FedRAMP compliance at depth, verify their specific capabilities before committing

Best For

St. Louis SMBs and mid-market companies that want a proven, local MSP with the highest verified review volume in the region and a documented helpdesk SLA.

Not Ideal For

Enterprise organizations with multi-state or federal compliance requirements, or buyers who want Clutch-verified case studies as part of the evaluation.

Services

Managed ITCo-Managed ITManaged NetworkCloud Desktop/ServerCybersecurityBackup & DRvCIOBusiness App Dev

Industries

HealthcareProfessional ServicesLegalManufacturingNonprofits

Why They Rank #1

ThrottleNet combines the highest verified review volume in the St. Louis MSP market with the longest continuous streak of national MSP 501 recognition of any provider on this list. Most MSPs can produce testimonials. ThrottleNet has 741 of them that anyone can read, plus a decade of financial validation from the MSP 501 process, which reviews actual revenue and operational metrics. The review score and the award history tell the same story.

2
GadellNet Consulting Services
The Most Award-Decorated MSP in the Region
8.3
out of 10
Trust Score
GadellNet Consulting Services managed IT services St. Louis homepage

8 appearances on the Inc. 5000. 8 consecutive years on the CRN Top 250. 9 years as Small Business Monthly’s Best in Business. That’s not an accident — that’s a managed services operation that has compounded credibility over two decades.

Key Strengths

  • The award history is genuinely rare — most St. Louis MSPs can claim one or two recognitions, GadellNet holds multi-year, national-level validation across three separate programs simultaneously across most of the 2010s
  • Founded by Joe Gadell in St. Louis in 2003. The company grew to nearly 200 employees before expanding to Indianapolis and Denver, meaning growth happened from a real St. Louis base, not a roll-up
  • 24/7 helpdesk with a dedicated account manager model built specifically to reduce the “re-explaining your environment” problem that frustrates most MSP clients
  • Full service stack with strategic IT consulting as a documented differentiator, not just infrastructure support — if your organization wants IT aligned to business goals, GadellNet’s model is built around that
  • Cloudtango presence confirmed, with published client testimonials across healthcare, education, and SMB clients

Limitations

  • Offices in Indianapolis and Denver mean St. Louis isn’t their only market — for buyers who specifically want a St. Louis-only provider, that geographic spread is worth noting
  • The award history is largely concentrated in the 2013–2020 window; more recent Tier 1 recognitions would strengthen the signal
  • Their model skews toward small business and education — if you’re a mid-market company above 200 employees with complex infrastructure, confirm their current delivery model maps to your scale

Best For

St. Louis SMBs and nonprofits that want a proven MSP with a structured account management model and a long track record of national recognition.

Not Ideal For

Buyers who specifically need a St. Louis-only provider, or mid-market organizations above 200 employees wanting enterprise-tier delivery.

Services

Managed IT24/7 HelpdeskStrategic IT ConsultingCloudCybersecurityCo-Managed ITAccount Management

Industries

Small BusinessEducationHealthcareNonprofits

Why They Rank #2

GadellNet’s award density is unmatched in the St. Louis market for the depth of their track record. 8 Inc. 5000 appearances is a financial credibility signal that the methodology validates heavily. The recent award cadence is less visible than ThrottleNet’s, which keeps them at #2, but the institutional credibility is real.

3
ATB Technologies
Fastest-Growing MSP in St. Louis · 5-Year MSP 501 Streak
8.2
out of 10
Trust Score
ATB Technologies managed IT services St. Louis homepage

ATB doesn’t take every client. They focus on St. Louis businesses with 40+ workstations and mid-sized operations, and they’ve built a retention record around that focus — they haven’t lost a client due to poor service in over five years, and that claim is documentable.

Key Strengths

  • 5 consecutive years on the Channel Futures MSP 501 through 2025, plus Inc. 5000 appearances in 2024 and 2025 — including a ranking of 28th among the fastest-growing St. Louis-area companies on the national list
  • Published 98.8% average happiness score from more than 10,000 customer survey responses since July 2021. That’s not a marketing estimate; it’s a tracked, documented figure
  • Deep nonprofit sector track record in St. Louis, including helping St. Vincent Home for Children secure a $92,000 technology grant. Client relationships that extend into grant strategy aren’t typical MSP scope
  • Inc. Best Workplaces recognition — low staff turnover matters in managed IT because technician familiarity with your environment compounds over time
  • Grew from 16 employees in 2018 to 37 in 2025 with four additional positions being filled at time of research — controlled growth signals a company that isn’t overextending

Limitations

  • Explicitly targets businesses with 40+ workstations — if you have a smaller team, their model isn’t designed around your scale
  • Fewer Google review touchpoints than ThrottleNet despite similar years in operation, consistent with their enterprise-relationship model but it affects the review score component
  • More manufacturing and nonprofit-heavy in their documented client base; financial services, legal, and healthcare specialization is less explicitly documented

Best For

St. Louis mid-sized businesses (40+ workstations) in manufacturing, professional services, and nonprofits looking for a strategic partner with a documented retention record.

Not Ideal For

Smaller businesses under 40 workstations, or organizations whose primary need is the fastest possible volume helpdesk response.

Services

Managed ITCybersecurityCloudBackup & DRStrategic PartnershipProject Management

Industries

ManufacturingNonprofitsProfessional ServicesMid-Market

Why They Rank #3

The combination of active MSP 501 membership and Inc. 5000 growth recognition in back-to-back years (2024–2025) puts ATB in a rare category. Their documented retention record and published satisfaction scores are the kind of evidence the Trust Score model rewards because it’s independently verifiable and specific.

4
Anders Technology
Best for Mid-Market and Financial Services IT
8.1
out of 10
Trust Score
Anders Technology managed IT services St. Louis homepage

Anders Technology sits inside one of the largest accounting firms in the Midwest. That context matters for buyers in financial services, M&A-adjacent industries, and regulated verticals where IT strategy and compliance planning can’t be separated from business advisory.

Key Strengths

  • CRN MSP 500 Elite 150 recognition in 2025, moving up from the Pioneer 250 category in 2024 — that progression signals active growth, not just legacy reputation
  • Microsoft Solutions Partner with an Advanced Specialization in Azure Virtual Desktops, a credential that requires technical validation beyond self-certification
  • Access to a 30+ person advisory team alongside the IT practice — for buyers going through M&A, ERP transitions, or rapid scaling, that integrated advisory capacity is genuinely uncommon
  • Accounting Today VAR 100 recognition for 2024 positions them as a leading technology reseller in the accounting and professional services space
  • Documented client outcomes in healthcare, financial services, insurance, and higher education

Limitations

  • Their model is structured around advisory and outsourced IT, with less emphasis on the full-service helpdesk-all-day model that pure-play MSPs specialize in. If your primary need is reactive support at high volume, the advisory-first orientation may be a mismatch
  • As a service line of a CPA firm, their primary positioning is toward mid-market and larger clients. Smaller businesses under 25 employees may find the engagement model oversized for their needs
  • Google and Clutch review presence for the Anders Technology arm specifically is less visible than the broader Anders CPAs brand

Best For

Mid-market companies in financial services, healthcare, or professional services that need IT management alongside business advisory, M&A IT support, or ERP transition expertise.

Not Ideal For

Small businesses under 20–25 employees, or organizations whose primary need is high-volume reactive helpdesk support.

Services

Managed ITMicrosoft AzureOutsourced ITAdvisory & ConsultingM&A ITERPvCIO

Industries

Financial ServicesHealthcareInsuranceHigher EducationMid-Market

Why They Rank #4

The CRN Elite 150 positioning and Microsoft Azure Advanced Specialization are hard credentials to earn. What separates Anders is the integration into a top-100 accounting firm, which creates a genuine advisory layer no other provider on this list can replicate. For buyers where IT and business strategy need to move together, that’s a real differentiator.

5
The Miller Group
40 Years. Still Local.
7.5
out of 10
Trust Score
The Miller Group managed IT services St. Louis homepage

Nobody on this list has been doing this longer. The Miller Group has been serving St. Louis businesses since 1985 — before the internet was commercial infrastructure. Four decades of building and retaining a local MSP client base is a stability signal that no award can fully replace.

Key Strengths

  • 40 years in the St. Louis market, family-owned and operated throughout — the client retention that represents is compounding evidence
  • Microsoft Solutions Partner for Security, a specific designation earned for demonstrating advanced capabilities in Microsoft security architecture — not just a partner badge
  • Full-service stack documented with real breadth: managed IT, co-managed IT, cybersecurity (including MDR and penetration testing), cloud, VoIP, backup and DR, and web development
  • Documented client base across manufacturing, construction, legal, healthcare, financial services, and nonprofits
  • Strong client testimonials going back multiple decades, including legal firm references and healthcare practice relationships dating to 1999

Limitations

  • Fewer verifiable third-party review signals in the Tier 1 award category compared to the top three — the longevity is real; the national award visibility is more limited
  • The web development service offering inside an MSP is uncommon and may reflect a broader scope than some buyers need — clarify whether their core IT support model is what you’re evaluating, not the ancillary services

Best For

St. Louis SMBs that want a long-tenured, family-owned MSP with a full service catalog and 40 years of local market presence.

Not Ideal For

Buyers who weight recent national award history heavily, or fast-scaling tech companies that need deep SaaS-era cloud architecture experience.

Services

Managed ITCo-Managed ITCybersecurity (MDR, Pen Testing)CloudVoIPBackup & DR

Industries

ManufacturingConstructionLegalHealthcareFinancial ServicesNonprofits

Why They Rank #5

40 years is the longest tenure on this list, and the Microsoft Security Partner designation is independently earned. What keeps them at #5 rather than higher is the relative absence of verifiable third-party review data and recent Tier 1 industry recognition compared to the top four.

6
Anderson Technologies
Best for Small Businesses Under 50 Workstations
7.4
out of 10
Trust Score
Anderson Technologies managed IT services St. Louis homepage

Anderson Technologies has been family-owned in the west St. Louis area since 1995. They’re clear about who they serve: growing small businesses that want a technology partner, not a call center.

Key Strengths

  • 30 years in operation, founded 1995, still independently owned — three decades of local client relationships in one market
  • Strong documented client testimonials spanning multiple industries, with repeated references to long-term relationships and trust rather than transactional support
  • 24/7 monitoring with a proactive approach, vCIO advisory services, and documented cybersecurity capabilities
  • Explicit positioning toward the small business segment means processes and pricing are calibrated for businesses that don’t have large IT budgets or dedicated internal staff
  • A pattern emerges in their reviews: clients stay for a decade because they feel known, not just serviced

Limitations

  • Limited Tier 1 industry award presence — no confirmed MSP 501, CRN MSP 500, or Inc. 5000 appearances found at time of research
  • Their documented focus on smaller businesses means they’re less tested at enterprise scale. If you’re planning significant growth above 100 employees, confirm their delivery model grows with you

Best For

Small St. Louis businesses under 50 workstations that want a long-tenured, local, family-owned partner with a genuine relationship-first model and 30 years in the market.

Not Ideal For

Mid-market companies above 100 employees, organizations needing enterprise-tier compliance frameworks, or buyers who weight national award recognition heavily.

Services

Managed IT24/7 MonitoringCybersecurityvCIO AdvisoryProactive Support

Industries

Small BusinessProfessional ServicesLong-Term Partnerships

Why They Rank #6

30 years of local operation and strong client retention signals are real. What limits the score is the absence of verifiable Tier 1 industry recognition and the smaller-scale positioning, which reduces the breadth of evidence available for scoring.

7
NOC Technology
High-Touch Strategic Partner for Growth-Stage Businesses
6.9
out of 10
Trust Score
NOC Technology managed IT services St. Louis homepage

NOC Technology is the newest entrant on this list and makes no secret of it. Their pitch isn’t longevity — it’s a specific operating model: local technicians, 15-second live answer SLA, and a business-consultant mindset that they contrast explicitly against call-center-style managed services.

Key Strengths

  • Published 15-second live answer SLA with local technicians who know the client’s environment — if response speed and human continuity matter most, this is a documented commitment
  • Automated resolution for roughly 50% of tickets with human QA oversight — an operational design that reduces disruption without sacrificing accountability
  • Explicit focus on regulated and client-facing industries: law firms, CPA firms, wealth management, healthcare practices, and manufacturing — specialization messaging is consistent and industry-specific
  • 90-day risk-free guarantee with refund and documented transition support if the client isn’t satisfied — a confidence signal worth noting
  • Strong local physical presence in St. Louis, active in producing comparison content and market education — signals an engaged team that understands the competitive landscape

Limitations

  • No confirmed Tier 1 industry award appearances (MSP 501, CRN MSP 500, Inc. 5000) at time of research — the single biggest gap in the Trust Score model for this provider
  • Founded more recently than all other providers on this list — the track record is shorter, which means less longitudinal evidence across economic cycles, client types, and technology shifts
  • Their comparison content is heavily self-published and positions competitors directly — a marketing choice that signals market savvy but also means buyers should independently verify claims

Best For

St. Louis businesses in regulated verticals (legal, financial, healthcare) that want a high-touch strategic partnership model with strong local technicians and a documented response SLA.

Not Ideal For

Organizations that weight proven national award history or 15+ year track records heavily in their MSP selection criteria.

Services

Managed IT15-Sec Live Answer SLAAutomated Resolution + QACompliance Frameworks90-Day Risk-Free

Industries

Law FirmsCPA FirmsWealth ManagementHealthcare PracticesManufacturing

Why They Rank #7

The operating model is compelling and the local commitment is real. The Trust Score reflects a genuine limitation: without Tier 1 industry recognition and a longer verifiable track record, this provider can’t score as high as the more decorated names above them, despite having a differentiated value proposition for the right buyer.


How to Choose an MSP in St. Louis

Match your size and posture to a provider built for it. If you have under 50 workstations and are primarily reactive (you want someone to keep things running, not a vCIO on retainer), Anderson Technologies or The Miller Group are your natural fits. Both are long-tenured, family-owned, and built for the kind of relationship where the same technician knows your setup for years.

If you have 50–200 employees and want helpdesk volume plus strategy, talk to ThrottleNet or GadellNet. ThrottleNet leads on verified review volume and helpdesk SLAs. GadellNet leads on strategic consulting and dedicated account management. Both have national award validation.

If you have 40+ workstations and care about growth, ATB Technologies is calibrated for this. Their minimum client size and retention record both reflect a model built for businesses that are scaling, not just maintaining.

If you’re in financial services, M&A, or need IT and business advisory together, Anders Technology is in a category by itself. No other provider on this list gives you access to a top-100 accounting firm and an IT practice under the same engagement model.

On pricing: Clutch’s most recent St. Louis pricing data puts basic remote monitoring in the $75–$125/user/month range. Full managed services with 24/7 SOC and on-site support runs $150–$250/user/month. Expect variance — most providers require a scoping conversation before quoting.

One thing to always ask: what’s the response time commitment in the contract, and what happens if it’s missed? Published SLAs on a website and contracted SLAs with consequences are different things.


ThrottleNet earns the top spot with the strongest combination of verified client reviews, consecutive national recognition, and operational longevity of any provider in the St. Louis market. For most local SMBs and mid-market businesses, they’re the default to evaluate first.

If you’re a growth-stage company that wants strategic IT consulting alongside helpdesk support, GadellNet and ATB Technologies are both worth putting on your shortlist. And if your business sits at the intersection of IT and financial advisory, Anders Technology’s positioning inside a top-100 accounting firm creates a capability set nobody else here can match. Every provider was scored on the same criteria. No provider paid for their position.

Browse all MSP rankings →

What St. Louis Businesses Ask Before Signing With an MSP

Ignore the homepage. Ask for the contract SLA, the incident response process, and two to three client references in your specific industry. A provider who hesitates on any of those three things is telling you something. Verified review platforms like Clutch are useful specifically because reviews are conducted via phone interview, not self-submitted ratings.
Not for full managed services. The Clutch pricing benchmark for St. Louis puts full managed services with 24/7 SOC and on-site support at $150–$250/user/month. If you’re comparing against a quote at $75/month, confirm what’s excluded. Remote-only monitoring with no on-site response is a different product from fully managed IT, even if both call themselves “managed services.”
Co-managed IT means your internal IT staff stay involved and the MSP fills specific gaps (usually cybersecurity, after-hours coverage, or specialist projects). Fully managed means the MSP is your IT department. Neither is inherently better — it depends on whether your internal IT team exists and what you want to keep in-house. Every provider on this list offers both models.
For on-site response, yes. A technician from a Clayton law firm to a Fenton warehouse in under an hour matters when something physically breaks. For remote-only monitoring and helpdesk, geography matters less. But local providers also know the St. Louis business environment: the Cortex Innovation District ecosystem, Missouri’s healthcare privacy regulations, and the manufacturing seasonality along the I-70 corridor that affects IT planning.
Usually, yes — but the transition pain is real. Look for a provider with a documented onboarding process and a dedicated project manager for transitions. NOC Technology publishes a 90-day guarantee specifically because transition risk is a real objection. Ask every provider how they handle the first 90 days before you sign anything.