Best Antivirus for Small Business (2026)
Best Antivirus for Small Business: 8 products compared. Price range $38.50–$85.00 per endpoint (varies by unit). Top 3 by evidence-based fit score: Bitdefender GravityZone Business Security (79/100, $38.50); ESET PROTECT Advanced (76/100, $54.90); Acronis Cyber Protect (69/100, $85.00).
Ranked by evidence-based fit score
8 products · sorted by SMB Fit Score| # | PRODUCT | SMB FIT SCORE | PRICE / ENDPOINT / MO | MIN SEATS | INDEPENDENT TESTS | MANAGED 24/7 | VERIFIED |
|---|---|---|---|---|---|---|---|
| 01 | Bitdefender | $3.21/mo $38.50/yr | 1 | Add-on | 2026-09-06 | ||
| 02 | ESET | $4.58/mo $54.90/yr | 5 | Not offered | 2026-09-07 | ||
| 03 | Acronis | $7.08/mo $85.00/yr | 1 | Not offered | 2026-09-07 | ||
| 04 | Avast | $5.03/mo $60.41/yr | 1 | Not offered | 2026-09-07 | ||
| 05 | CrowdStrike | $5.00/mo $59.99/yr | 1 | Not offered | 2026-09-06 | ||
| 06 | EndpointAV Sophos | Quote Quote only | 1 | Not offered | 2026-09-07 | ||
| 07 | Trend Micro | Quote Quote only | 2 | Not offered | 2026-09-07 | ||
| 08 | Webroot (OpenText) | Quote Quote only | 5 | Not offered | 2026-09-07 |
How we rank
Products are ranked by the evidence-based fit score (fit-v1), a transparent formula over published fields: independent lab efficacy (35%), price transparency and level (25%), SMB operability (25%), and coverage breadth (15%). Scores are not editorial opinions. How to read lab results.
Research context
Ransomware dwell time in SMBs: Mandiant (Google Cloud). M-Trends 2024. Median dwell time dropped to 10 days globally, but SMBs without EDR averaged 45+ days — endpoint antivirus remains the primary detection layer for businesses without security staff. source · 2026-09-07
Independent AV testing methodology: AV-Test Institute. Test Plan and Methodology for the Certification of IT Security Products. Real-world testing with ~1,400 zero-day samples and ~19,000 reference samples per bi-monthly round. source · 2026-09-07