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ZscalerCybersecurity company in Santa Clara, CA

Zscaler is a cybersecurity company at 4401 Great America Pkwy, Santa Clara, CA 95054, ranked #6 of 249 cybersecurity companies in Santa Clara and rated 3.8 from 38 Google reviews. Open 7 days a week.

Facts here come from public sources and the firm itself. Confirm certifications, insurance and contract terms with the firm before you sign.

Santa Clara, CAUpdated 0 paid placements in any rankingHow we rank

Call (408) 533-0288Website ↗

Key facts

Key facts about Zscaler
Address4401 Great America Pkwy, Santa Clara, CA 95054Get directions
Phone(408) 533-0288
Websitezscaler.com
HoursOpen all day, 7 days a week
Google rating3.8 from 38 Google reviews

Services

Each service shows the evidence we matched it on.

Service area

Serves Santa Clara and 11 towns within 75 miles: Sunnyvale, Milpitas, Cupertino, San Jose, Mountain View, Campbell, Los Altos, Alum Rock, Saratoga, Palo Alto and Communications Hill.

Based in Santa Clara, CAView on map

Opening hours

Opening hours for Zscaler
DayHours
Monday12 AM – 12 AM
Tuesday12 AM – 12 AM
Wednesday12 AM – 12 AM
Thursday12 AM – 12 AM
Friday12 AM – 12 AM
Saturday12 AM – 12 AM
Sunday12 AM – 12 AM
  • Open evenings — no
  • Open Saturdays
  • Open Sundays

Questions about Zscaler

How is Zscaler ranked in Santa Clara?

Zscaler is ranked #6 of 249 cybersecurity companies in Santa Clara by IFR Score, with 61 out of 100 as of November 2026. The score weighs reputation, review volume, recency, availability, service focus, proximity, claimed profile, partnered and client reviews. No business can pay to change its rank.

What are Zscaler’s hours?

Zscaler is open 7 days a week. Its listed hours are Open all day, 7 days a week. On Saturdays it is open 12 AM to 12 AM, and on Sundays 12 AM to 12 AM. Hours come from the business listing; holiday hours may differ.

What areas does Zscaler serve?

Serves Santa Clara and 11 towns within 75 miles: Sunnyvale, Milpitas, Cupertino, San Jose, Mountain View, Campbell, Los Altos, Alum Rock, Saratoga, Palo Alto and Communications Hill. The list is based on the business's location and the usual service radius for cybersecurity. Confirm your address is covered when you call.

What do Google reviews say about Zscaler?

Zscaler has a rating of 3.8 from 38 Google reviews. The IFR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Zscaler?

Call Zscaler on (408) 533-0288. The business is at 4401 Great America Pkwy, Santa Clara, CA 95054. Its website is linked in the key facts on this page. Ask for a written scope and quote before any work starts.

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Compare nearby cybersecurity companies

Zscaler compared with nearby businesses
BusinessRankIFR ScoreGoogle ratingSaturdaySundayDistance away
Zscaler (this business)—613.8 (38)YesYes
Proofpoint Inc#4634.2 (96)YesYes3.5 mi
Network Remedy - IT Support, IT Security & Managed IT Services#5615.0 (78)YesYes2.1 mi
Blackhawk MSP Computer Support and Services#7614.9 (46)YesYes24.8 mi

See all 249 ranked cybersecurity companies in Santa Clara