Company record · observed Oct 7, 2026 · confidence 0.83

UnclaimedManaged service providerFounded 196913 staffLocal

Corstar Communications LLCIT service provider profile · Hawthorne, NY

Empower Your Business Through IT

Hawthorne, NY · localcorstar.com ↗(914) 347-2700

Ownership: IndependentPublic: NoTicker: not observedAcquisition: not observedClosed: not observed

Watch this company Compare Claim this company

MSP score · confidence 0.83

30-day change: not observed · No changes detected in the last 180 days.

National rank#9,224of 46,016 · top 21%

NY#528of 2,531 · top 21%

Hawthorne#1of 3 · top 34%

Google 5.0★ (3)Organic ~0/moSecurity headers FHosting Github.comDomain 31 yrsNAICS 54151

MSP Signal ranks Corstar Communications LLC #9,224 of 46,016 IT service providers nationally. Corstar Communications LLC is a managed service provider in Hawthorne, NY, founded 1969, with 13 staff. It offers Managed IT, Cybersecurity, AI Deployment Management.

Source: MSP Signal, Corstar Communications LLC company profile, Oct 7, 2026, https://mspsignal.com/msp/corstar-communications-llc

Score breakdown

5 pillars · weighted · 57.5 / 100

Local median overlay: not observed · how the score works

Weighted contribution · how 57.5 is builtscore × weight = points

57.6of 100 · 42.4 unearned

0255075100

PillarScore / 100WeightPoints

Reputation

×30%22.6

Presence

×25%16.0

Credibility

×20%12.6

Scale

×15%6.4

Momentum

×10%0.0

▲ 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 d0 / 4No changes detected in the last 180 days.

Local rivals · 25 mihow chosen

620 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

1 events · 26 wks ending Sep 23, 2026

Activity · returned samplelatest week: 1 event

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

Sep 23, 2026

Website changedtitle changed: 'Corstar Communications, IT MSP Westchester, NY Since 1970 S' -> 'Corstar Communications, IT MSP Westchester, NY Since 1970 S'source: their website

recorded

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

Reputation

Google · 3 reviews

5.0

Listing: Corstar Communications LLC · Computer support and services · Maps ↗review velocity: 1 in the last 365 days

Distribution · listing sample of 3

1★

2★

3★

4★

5★

4–5★ 3 · 100.0% 3★ 0 · 0.0% 1–2★ 0 · 0.0%, not the same population as the 3 reviews

What reviewers mention

not observed

Listings

not observed

Sentimentnot observed

HoursMon–Fri 8 AM to 6 PM · Sat–Sun closed

Other sources · BBB: not observed · Facebook rating: not observed

From their Google profile

Corstar Communications is a Managed IT Solutions Provider for small & medium sized businesses. Located in the heart of Westchester County, NY, we provide fast and comprehensive IT support, consulting, and leadership for any technology project. After 55 years, we are still proudly Family Owned and Operated! Our Proactive IT Services Built to Support Your Business Needs: AI Deployment & Management Compliance and Cybersecurity I.T. Staffing and Support I.T. Project Management Professional Cabling

Services and offer

from their site

Managed IT

Cybersecurity

AAI Deployment Management

CCloud Network Solutions

IIT Project Management

RRemote Office Support

SStructured Cabling

Backup and disaster recovery

CCloud migration

CCompliance

Help Desk

NNetwork Assessments

Industries

HealthcareFinancial ServicesProfessional ServicesArchitecture ConstructionInsuranceReal EstateLegalEducationNonprofitGovernment

Availability

24/7 support claimed their site

Guarantees

30min STD RESPONSE TIMEResponse within 1 business hour24/7/365 Monitoring

Compliance

HIPAA

Works with

Microsoft 365Microsoft

Partners

Cisco · Legacy Select IntegratorMicrosoft Partner

Certifications

SOC 2

Web & search

MSPSIG.RPT search scan · technical record

Organic visits~0/ month est.

Domain authority–/ 100

Top keywords · position

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

Website technology

Autotask PSABarracuda Email Security ServiceBarracuda MSPBarracuda NetworksFastly CdnGithubGithub PagesGodaddy DomainsGodaddy HostingGoogle Font APIGoogle Search ConsoleMicrosoft 365

▸ Open technical record · web maturity 68 / 100

SEO8/15

Pricing0/10

Reviews0/10

Socials10/10

Longevity10/10

Email Auth15/15

Site Depth10/10

Brand Assets5/5

unmeasured components: blog

Performance · SEO · Accessibility71 · 92 · 100

Email authSPF · DKIM · DMARC p=none

CDNFastly

HostingGithub.com

Blognot observed

Subdomains15

Security headersF

Record & location

HeadquartersBasemap © Esri, HERE, Garmin, OpenStreetMap contributors

Corstar Communications LLC website snapshot — Website

Location

22 Saw Mill River Rd #303, Hawthorne, NY 10532

Founded

1969

Staff

13 staff · national median 10

Languages

not observed

Annual revenue

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

NAICS

54151

Also from

not observed

States served

not observed

Headcount change

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

People & hiring

7 tracked · 3 leaders

Staff by department

Engineering

Information Technology

Finance

Marketing

Consulting

Media And Commmunication

Hiring

0job postings in 90 days

Job postings: not observed

Recognition, news & about

public sources

Awards & rankings

not observed

Peer mentions in 90 days: not observed · BBB: not observed

In the news

not observed

Aboutnot observed

Leadership

3 leaders named · names and titles on the Signal plan

Service areas

Westchester CountyNew YorkNew JerseyConnecticut

Partner badge

Microsoft Partner

What they say about themselves

site quotations · unconfirmed

Compliance

“Our managed IT services for healthcare clients include a signed BAA, implementation of all required HIPAA technical safeguards, and documented security policies.”

“We provide Business Associate Agreements (BAAs), implement required access controls, audit logging, encryption, and transmission security, and prepare you for HIPAA audits.”

“🏥 Healthcare HIPAA-compliant IT, EHR uptime, and PHI protection for medical practices and healthcare organizations.”

up to three quotations per category

Frequently asked questions

reuses public facts · FAQ schema

Where is Corstar Communications LLC located?

22 Saw Mill River Rd #303, Hawthorne, NY 10532.

How many people work at Corstar Communications LLC?

Corstar Communications LLC has 13 staff.

What services does Corstar Communications LLC offer?

Managed IT, Cybersecurity, AI Deployment Management, Cloud Network Solutions, IT Project Management, Remote Office Support, Structured Cabling, Backup and disaster recovery, Cloud migration, Compliance, Help Desk, Network Assessments.

What compliance frameworks does Corstar Communications LLC serve?

HIPAA.

How does Corstar Communications LLC rank among IT providers in Hawthorne?

#1 of 3 observed providers in Hawthorne; #9,224 of 46,016 nationally.

Is Corstar Communications LLC 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 7, 2026 · Citation: Corstar Communications LLC company profile · https://mspsignal.com/msp/corstar-communications-llc

Correct this record Claim this company