Lookalikes · Data refreshed September 2026

25 Bitdefender lookalikes

Compiled by the RevenueBase Data Team Data refreshed Sep 26, 2026 824 matching companies

Looking for Bitdefender lookalikes, Bitdefender competitors or Bitdefender alternatives? The RevenueBase company graph holds 824 companies that do what Bitdefender does, matched at 85%+ measured description similarity (RevenueBase, September 2026). The 25 largest are ranked below by team size; across all 824 matches RevenueBase tracks 64,963 professional contacts, including 32,941 with verified work emails.

Similarity is measured on what companies actually do, from their business descriptions rather than industry codes, and is shown per row as a percentage. This page keeps only companies at 85%+ measured similarity to Bitdefender and ranks them by company size. Data current as of September 26, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list Similarity shown on every row Refreshed Sep 26, 2026 Match quality audited by blind human judging

Reference company

Bitdefender

“Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide.”

1,001-5,000Employees

2,172Contacts tracked

1,258Verified emails

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The 25 largest Bitdefender competitors and alternatives

Ranked by team size

Top 25 of 824 companies matching Bitdefender at 85%+ description similarity, ranked by team size. Similarity is each company's measured match to Bitdefender (100% = identical). Data refreshed Sep 26, 2026.
#	Company	HQ	Employees	Similarity	Verified emails
1	Palo Alto Networks	Santa Clara, US	10001+	89%	11,152 contacts →
2	Fortinet	Sunnyvale, US	10001+	90%	8,770 contacts →
3	Trend Micro	Yoyogi, JP	5,001-10,000	91%	1,690 contacts →
4	Sophos	Abingdon, GB	5,001-10,000	87%	2,661 contacts →
5	Trellix	Plano, US	1,001-5,000	85%	1,572 contacts →
6	Quick Heal	Pune, IN	1,001-5,000	87%	463 contacts →
7	Imperva	Austin, US	10001+	86%	842 contacts →
8	Trustwave, A Levelblue Company	Chicago, US	501-1,000	85%	453 contacts →
9	Malwarebytes	Santa Clara, US	501-1,000	85%	324 contacts →
10	SSH Communications Security	Helsinki, FI	51-200	87%	105 contacts →
11	Advens	Paris, FR	501-1,000	88%	325 contacts →
12	Ahnlab, INC	Seongnam-Si Gyeonggi-Dobundang-Gu, KR	1,001-5,000	89%	177 contacts →
13	Group-Ib	Singapore, SG	501-1,000	86%	334 contacts →
14	RED Canary, A Zscaler Company	Denver, US	201-500	86%	276 contacts →
15	Infopercept	IN	201-500	86%	151 contacts →
16	Quorum Cyber	Edinburgh, GB	201-500	89%	178 contacts →
17	Cyberani By Aramco Digital	Riyadh, SA	201-500	87%	56 contacts →
18	Fox-It	Gk, NL	201-500	89%	126 contacts →
19	Essen Vision Software	Mumbai, IN	201-500	85%	114 contacts →
20	S21sec	Madrid, ES	201-500	90%	35 contacts →
21	Protergo	Jakarta, ID	51-200	87%	91 contacts →
22	At&t Cybersecurity	Dallas, US	1,001-5,000	88%	28 contacts →
23	Cyberoo	IT	51-200	85%	102 contacts →
24	Netsecurity	Oslo, NO	51-200	88%	84 contacts →
25	Helpsystems	Eden Prairie, US	1,001-5,000	87%	27 contacts →

Showing the 25 largest of 824 similar companies

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How similarity works

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Matching: Companies are matched on what they actually do, as described in their own business descriptions, never on shared industry codes. The list keeps only matches at 85%+ measured similarity to Bitdefender, and match quality is audited by blind human judging. Read the full methodology.
Ranking: Team size, largest first, among the matched companies: companies are ordered by the number of professionals RevenueBase tracks at each one. Each row also shows its measured similarity to Bitdefender as a percentage.
Verification: Contact records re-verify on a rolling cadence rather than being scraped once and left to decay; each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 26, 2026. Lists refresh periodically as the graph is re-checked.

Frequently asked

What are Bitdefender lookalikes?

Bitdefender lookalikes are companies that closely resemble what Bitdefender does and sells, based on each company's own business description. The table above ranks the closest matches by company size, with each company's similarity to Bitdefender shown as a percentage.

What companies are similar to Bitdefender?

The largest companies similar to Bitdefender are Palo Alto Networks, Fortinet, Trend Micro and Sophos. The table above shows the 25 largest of the 824 matched companies, with each row's similarity shown as a percentage.

How is similarity measured?

Similarity scores how closely a company's business, as described in its own words, matches Bitdefender's, shown as a percentage (100% = an identical description). The list keeps companies at 85% or above and ranks them by team size.

How do I get contacts at these companies?

A free RevenueBase account lets you run this exact search and work the top matches, verified emails and direct dials included. Upgrading unlocks the 32,941 verified emails and direct dials tracked across all 824 matched companies.

Who are Bitdefender's biggest competitors?

The largest Bitdefender competitors by measured business-description similarity are Palo Alto Networks, Fortinet, Trend Micro and Sophos. Every company here does what Bitdefender does at 85%+ similarity, ranked by team size.

What are the best Bitdefender alternatives?

The closest Bitdefender alternatives are the companies whose own business descriptions match Bitdefender's most closely, shown above with each one's similarity as a percentage and ranked by team size.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 26, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.