MSP-US-CA-IT21ST-LLC
IT21ST, LLC
Managed service provider · Westlake Village, California
1–10 staffFounded 201524/7
Last checked 8 Nov 2026 · 26 sourced facts
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“Proactive IT support, cutting-edge tech, and robust security from your local small business experts”reported by the company · it21st.com · 8 Nov 2026
- Staff / size
- 1–10
- Founded
- 201511 yrs
- Offices
- 2
- Services
- 9of 13
- Industries
- 4
- Stack tools
- 0
- Certifications
- 0
- Support
- 24/7
1Stack: the tools we found
- PSA / ticketingnot found
- RMMnot found
- Remote accessnot found
- Documentationnot found
- Securitynot found
- Backupnot found
- MailMicrosoft 365DNS
Marks: DNS detected in public DNS, Site named or badged on their site, Job ad named in their job ad. “Not found” means not seen on public pages, not “not used”. See how we check.
Every tool with its source
| Tool | How we know |
|---|---|
| Microsoft 365 (own mail) | detected (public DNS) · it21st.com · 8 Nov 2026 |
2Services coverage
- Help desk / IT support (offered)
- Co-managed IT (not found)
- NOC / monitoring (offered)
- SOC / MDR (offered)
- Cybersecurity (offered)
- Cloud / Microsoft 365 / Azure (offered)
- Backup / disaster recovery (offered)
- Compliance (offered)
- VoIP / UCaaS (not found)
- Networking (offered)
- IT procurement (not found)
- vCIO / consulting (offered)
- AI services (not found)
From it21st.com/it-services/, it21st.com/it-support-los-angeles/, it21st.com/it-services/managed-cyber-security-services/, it21st.com/it-support-encino/. Empty squares: not found on their pages.
Compliance frameworks named: HIPAASEC
3Industries served
HealthcarepageLegalpageFinancial servicespageManufacturingpage
| Client size targeted | “small businesses”reported by the company · it21st.com · 8 Nov 2026 |
|---|
From the MSP’s industry pages and case studies. Sources: /industries/healthcare/, /industries/legal/, /industries/finance/, /industries/manufacturing/.
4Support model
Published hours: M–F 7:00AM–6:00PM (local time)
| Support hours | 24/7reported by the company · it21st.com · 8 Nov 2026 |
|---|---|
| Published hours | M–F 7:00AM–6:00PMreported by the company · it21st.com · 8 Nov 2026 |
| 24/7 monitoring | yesreported by the company · it21st.com · 8 Nov 2026 |
| After-hours / emergency line | yesreported by the company · it21st.com · 8 Nov 2026 |
| Help desk location | not published |
| Response time / SLA | not published |
5Location and company
Outline: US Census Bureau cartographic boundaries. HQ position from its public map listing, to about 1 km.
| Headquarters | 2945 Townsgate Rd Ste 200, Westlake Village, CA 91361Google Maps listing · google.com · 8 Nov 2026 |
|---|---|
| Other offices | Los Angeles, CAreported by the company · it21st.com · 8 Nov 2026 |
| Service area (as published) | not published |
| Trading name | IT21ST, LLCGoogle Maps listing · google.com · 8 Nov 2026 |
| Legal name | not published |
| Phone (switchboard) | +1 855-448-2178Google Maps listing · google.com · 8 Nov 2026 |
| Business mailbox | info@it21st.comreported by the company · it21st.com · 8 Nov 2026 |
| Ownership | not published |
| Google rating | 5 / 5 from 7 reviewsGoogle Maps listing · google.com · 7 Nov 2026 |
6Size, certifications and peers
| Staff (their site) | not published |
|---|---|
| Size band | 1–10 staffreported by the company · linkedin.com · 8 Nov 2026 |
| LinkedIn company size | 2-10 employeesreported by the company · linkedin.com · 8 Nov 2026 |
| Clients (as published) | not published |
| Microsoft partner | not published |
| Vendor partner tiers | not published |
| Own certifications | not published |
- In the smallest size band, like many of the 348 MSPs in California with a known size.
- 0 stack tools found vs a median of 1 across 5,074 fully researched US MSPs.
- 9 of 13 services vs a median of 9.
From the public profiles on MSP Scope (sample sizes shown). Facts not found count as not found, so small or quiet websites score lower.
7Timeline
- 2015Foundedreported by the company · linkedin.com · 8 Nov 2026
Only dated, sourced items. Acquisitions and rebrands appear here when the MSP or a public register states them.
8Pricing (as published)
no prices published on the pages we read
Only prices the MSP publishes for its own managed service (per user or per device). See published MSP pricing.
9Nearby and similar MSPs in Westlake Village
Urban IT, Inc.Westlake Village · 1–10 staff
AI Managed IT ServicesWestlake Village · 1–10 staff
HD TechSeal Beach · 1–10 staff
Lazer IT ConsultantsPalm Desert · 1–10 staff
AMA NetworksSan Diego · 1–10 staff
Level 4 MSSP CorpRoseville · 1–10 staff
Same town first, then similar size, stack and services. More: all MSPs in Westlake Village · all MSPs in California · other MSPs offering help desk / it support.
10Revision history and sources
Researched 8 Nov 2026 (full pass), last checked 8 Nov 2026. 16 public pages read.
Logo: from it21st.com, the MSP’s own site, seen 8 Nov 2026; trimmed and resized only. Remove or replace it.
Pages we read
- it21st.com/
- it21st.com/about-us/
- it21st.com/everything-you-need-to-know-about-darkweb/
- it21st.com/it-services/
- it21st.com/it-support-encino/
- it21st.com/it-support-los-angeles/
- it21st.com/contact/
- it21st.com/industries/
- it21st.com/industries/legal/
- it21st.com/industries/finance/
- it21st.com/industries/healthcare/
- it21st.com/support/
- it21st.com/it-services/managed-it-services/compliance/
- it21st.com/it-services/managed-cyber-security-services/
- it21st.com/our-clients/
- it21st.com/news/
Anything not found stays empty. We never guess. Spot an error? Correct it.