Buying guide · 4 picks
Best antivirus for small business
For a small office (1–20 devices) the consumer-grade engines carry over, but you want central management, more seats and business licensing. These plans come from the same vendors whose consumer products lead the 2026 lab tests.
Ranked by the AVSO Editorial Desk
Prices and lab results verified How we scoreEditorial policy
Short answer:Norton Small Business. Simple, consumer-style management for very small teams, with 250 GB of cloud backup.
View Norton Small Business plans (opens in a new tab)Best antivirus for small business: our 4 picks, ranked
Top pick Best for 1–3 people
1. Norton Small Business
Small Business, 6 devices
Why it’s here: Simple, consumer-style management for very small teams, with 250 GB of cloud backup.
The evidence
- Vendor page · $119.99 first year for 6 devices (2 per user); 250 GB backup, password manager1
Price
$119.99 first year, 6 devices
View Norton Small Business plans (opens in a new tab)60-day money-back guarantee (annual plans)
Best for precision
2. ESET Small Business Security
Small Business Security, 5 devices
Why it’s here: ESET's low false-positive rate matters more at work, where a blocked business app costs time.
The evidence
Price
$179.99 per year, 5 devices
View ESET Small Business plans (opens in a new tab)30-day money-back guarantee
Best value for 10 devices
3. Avast Small Office Protection
Small Office Protection, up to 10 devices
Why it’s here: Ten devices for less than ESET charges for five.
The evidence
- Vendor page · $139.99/year for up to 10 devices; $209.99 for 2 years4
Price
$139.99 per year, 10 devices
View Avast Small Office plans (opens in a new tab)30-day money-back guarantee
Best protection engine
4. Bitdefender GravityZone Small Business Security
GravityZone Small Business Security
Why it’s here: Covers Windows, macOS and Linux for 1–100 devices. Price could not be verified.
The evidence
- Vendor page · Price loads dynamically on Bitdefender's page; secondary sources disagree5
Price
Price not verified
Not verified on vendor siteView Bitdefender GravityZone plans (opens in a new tab)30-day money-back guarantee
The labs test consumer editions
AV-TEST and AV-Comparatives run separate business test series that we haven't used here. The results on this page refer to the vendors' consumer products, which share core technology but not management features.
Frequently asked questions
Can a small business use consumer antivirus?
Check the licence. Many consumer licences are for personal use only. Business plans add central management and business licensing, and they usually cost more per device.
Top pick · Best antivirus for small business
Our pick: Norton Small Business
Simple, consumer-style management for very small teams, with 250 GB of cloud backup. $119.99 first year, 6 devices.
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Sources
All accessed
- 1.us.norton.com/products. us.norton.com/products (opens in a new tab)
- 2.eset.com. eset.com/us/home/small-business-security/ (opens in a new tab)
- 3.AV-Comparatives Real-World Protection Test, February–May 2026. av-comparatives.org/tests/real-world-protection-test-february-may-2026/ (opens in a new tab)
- 4.avast.com. avast.com/en-us/business/products/small-office-protection (opens in a new tab)
- 5.bitdefender.com. bitdefender.com/en-us/business/products/gravityzone-small-business-security (opens in a new tab)