Trustmi
Trustmi is a cybersecurity startup that uses behavioral AI to detect and prevent business email compromise fraud before payments are made. The 65-person company has raised $21M in Series A funding as of July 2023.
The growth story
Trustmi grew from 11 to 65 employees between 2021 and 2026, raising $21M along the way, most recently a Series A in July 2023.
About
Trustmi sells fraud detection software that identifies suspicious payment requests by analyzing behavioral patterns in business communications. Its primary customers are organizations seeking to prevent financial losses from vendor email scams.
The company was founded in 2021 and has grown to 65 employees. Its $21M Series A round in mid-2023 suggests rapid early-stage traction in the BEC prevention market.
Founders and leadership
Sales is Trustmi's largest department with 12 employees, indicating a focus on customer acquisition. The company operates from New York but draws heavily from Israeli cybersecurity talent.
The Trustmi org chart
Shai Gabay (Co-Founder & CEO) leads 28 mapped leaders with 10 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Sales 16 (+78% YoY), Information Technology 10 (+25% YoY), Engineering 9 (-18% YoY), Product Management 6 (0% YoY), Entrepreneurship 4 (0% YoY), Marketing 4 (+100% YoY).
Talent flow
Nearly 20% of Trustmi's workforce comes from Israeli military or cybersecurity backgrounds, with multiple hires from Israel Defense Forces and firms like Cynet Security and Proofpoint. Alumni have moved to security startups including Sentra and Jedify.
Most common previous employers of Trustmi staff: Israel Defense Forces (9), Cynet Security (7), Proofpoint (6), Check Point Software (3), mPrest (3), Sumo Logic (2). Former Trustmi employees most often moved to Sentra (3), Jedify (1), Solink (1), Airobotics (1), STK bio-ag technologies (1), Exa (1).
Alumni worth knowing
Web traffic
Traffic mix: 0% direct, 0% search, 0% social, 0% paid.
What this company is made of
Most common skills at Trustmi: Management (24), Software as a Service (SaaS) (23), SQL (19), Python (Programming Language) (18), Cloud Computing (18), Business Development (17), Enterprise Software (16), Leadership (16).
Where the team actually sits
Trustmi people are concentrated in Tel Aviv District, Israel (16), Israel (9), New York City Metropolitan Area (5), United States (4).
Search footprint
Trustmi attracts about 219 organic search visits a month, traffic worth roughly $6K a month if bought through ads. It gained 116 ranking keywords and lost 85 in the last period.
What employees say
- Compensation
- 3.70 / 5
- Career opportunities
- 3.80 / 5
- Senior management
- 3.70 / 5
- Work-life balance
- 3.90 / 5
Frequently asked
Trustmi has 65 employees as of September 2026.
Trustmi has raised $21M in total, most recently a Series A round in July 2023.
Trustmi was founded in 2021 by Shai Gabay.
Shai Gabay (Co-Founder & CEO) sits at the top of Trustmi's reporting structure, with 10 direct reports.
The most common previous employers of current Trustmi staff are Israel Defense Forces (9 people), Cynet Security (7 people), Proofpoint (6 people).
Former Trustmi employees most often move to Sentra (3), Jedify (1), Solink (1).
Trustmi attracts about 219 organic search visits a month, worth roughly $6K a month in equivalent ad spend.
The most common skills among Trustmi staff are Management, Software as a Service (SaaS), SQL, Python (Programming Language), Cloud Computing.
Trustmi staff are concentrated in Tel Aviv District, Israel (16), Israel (9), New York City Metropolitan Area (5).
Trustmi has about 16 people in Sales, up 78% over the past year, as of September 2026.
Trustmi has about 10 people in Information Technology, up 25% over the past year, as of September 2026.
Computed from 52 current and 49 former Trustmi profiles, as of September 2026. Source: Crustdata.
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