Company record · observed Oct 18, 2026 · confidence 67%

UnclaimedIT consultingFounded 20175 staffLocal

Six Twenty-One SolutionsIT service provider profile · Sterling, VA

We provide solutions for customer success

Sterling, VA · local621solutions.com ↗(571) 352-0332

Ownership: IndependentPublic: NoTicker: ––Acquisition: ––Closed: ––

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MSP score · confidence 67%

30-day change: –– · 1 of 4 change types in 180 days

National rank#39,162of 45,453 · top 87%

VA#2,083of 2,379 · top 88%

Sterling#80of 89 · top 90%

Organic ~0/moSecurity headers DDomain 9 yrsNAICS 336414

MSP Signal ranks Six Twenty-One Solutions #39,162 of 45,453 IT service providers nationally. Six Twenty-One Solutions is an IT service provider in Sterling, VA, founded 2017, with 5 staff. It offers Software Engineering, Cybersecurity, IT Services.

Source: MSP Signal, Six Twenty-One Solutions company profile, Oct 18, 2026, https://mspsignal.com/msp/six-twenty-one-solutions

Score breakdown

5 pillars · weighted · 38.1 / 100

Reputation30%

67/100

Lifted by more Google reviews and a higher rating.

Presence25%

22/100

Lifted by a stronger website and public profiles.

Credibility20%

28/100

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

Scale15%

29/100

Lifted by team size.

Momentum10%

25/100

Lifted by more kinds of change in 180 days.

How the score works

Weighted contribution · how 38.1 is builtscore × weight = points

38.2of 100 · 61.8 unearned

0255075100

PillarScore / 100WeightPoints

Reputation

×30%20.2

Presence

×25%5.5

Credibility

×20%5.6

Scale

×15%4.3

Momentum

×10%2.5

▲ Presence 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 d1 / 4momentum 25

Local rivals · 25 mihow chosen

2,891 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

2 events · 26 wks ending Oct 18, 2026

Activity · returned samplelatest week: 1 event

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

Oct 18, 2026

Security Posture ChangeSecurity Headers Grade: F to D

medium

Aug 6, 2026

Website changedservices added: penetration testingsource: their website

recorded

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

Reputation

Google · 0 reviews

–

Listing: Six Twenty-One Solutions · Software company · Maps ↗review velocity: 0 in the last 365 days

Star distribution: ––

What reviewers mention

––

Listings

––

Sentiment––

Hours––

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

Services and offer

from their site

SSoftware Engineering

Cybersecurity

IIT Services

Industries

AerospaceDefense

Availability

––

Guarantees

––

Compliance

––

Works with

––

Partners

––

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

Cloud FlareGoogle AnalyticsGoogle Apps

▸ Open technical record · web maturity 24 / 100

SEO0/15

Pricing0/10

Reviews0/10

Socials5/10

Longevity5/10

Email Auth0/15

Site Depth5/10

Brand Assets5/5

unmeasured components: blog

Performance · SEO · Accessibility66 · 100 · 93

Email authnone found

CDNCloudflare

Hosting––

Blog––

Subdomains1

Security headersD

Record & location

HeadquartersBasemap © Esri, HERE, Garmin, OpenStreetMap contributors

Six Twenty-One Solutions website snapshot — Website

Location

44715 Prentice Drive

Founded

2017

Staff

5 staff · national median 10

Languages

––

Annual revenue

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

NAICS

336414, 927110

Also from

––

States served

––

Headcount change

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

People & hiring

7 tracked · 3 leaders

Staff by department

––

Hiring

0job postings in 90 days

Job postings: ––

Recognition, news & about

public sources

Awards & rankings

––

Peer mentions in 90 days: –– · BBB: ––

In the news

––

About––

Leadership

3 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

Longevity

“He has worked in commercial and government defense programs as a software and cyber engineer for over 20 years.”

“Six Twenty-One Solutions has more than 19 years of hands-on experience in automating the deployment of large-scale enterprise IT solutions.”

“We have more than 19 years of experience in the design and development of enterprise and mission critical systems.”

up to three quotations per category

Frequently asked questions

reuses public facts · FAQ schema

Where is Six Twenty-One Solutions located?

44715 Prentice Drive.

How many people work at Six Twenty-One Solutions?

Six Twenty-One Solutions has 5 staff.

What services does Six Twenty-One Solutions offer?

Software Engineering, Cybersecurity, IT Services.

How does Six Twenty-One Solutions rank among IT providers in Sterling?

#80 of 89 observed providers in Sterling; #39,162 of 45,453 nationally.

Is Six Twenty-One Solutions 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 18, 2026 · Citation: Six Twenty-One Solutions company profile · https://mspsignal.com/msp/six-twenty-one-solutions

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