SenseOn
SenseOn is a cybersecurity company that integrates with existing tools to provide cross-domain threat detection and AI-assisted resolution. The London-based firm has raised $26M in funding and employs 57 people.
The growth story
SenseOn grew from 51 to 57 employees between 2021 and 2026, raising $26M along the way, most recently a Series A in September 2021.
About
SenseOn sells a cybersecurity platform that connects to a company's existing security tools, providing a unified interface for threat detection and response. Its AI-driven system correlates data across domains to identify threats, but requires human approval before taking any containment actions.
The company raised $26M in a Series A round in September 2021, backed by notable investors including Amadeus Capital Partners and MMC Ventures. With 57 employees, it has built a team focused on engineering, which makes up its largest function.
Founders and leadership
Engineering is SenseOn's largest department with 16 staff. The company has a median tenure of 2 years, suggesting moderate turnover. Its leadership team includes founders with cybersecurity expertise.
The SenseOn org chart
David Atkinson (Founder and CEO) leads 9 mapped leaders with 5 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Engineering 17 (+6% YoY), Entrepreneurship 9 (0% YoY), Information Technology 9 (-18% YoY), Business Development 6 (+20% YoY), Sales 3 (-40% YoY), Customer Success and Support 3 (+50% YoY).
Talent flow
SenseOn recruits from cybersecurity firms like ESET Latinoamérica and Avast, as well as government agencies. Alumni frequently move to other security companies, with Rubrik being the top destination, hiring 10 former SenseOn employees.
Most common previous employers of SenseOn staff: ESET Latinoamérica (2), Government of the Province of Buenos Aires (2), Avast (2), Newton Orchards (2), McDonald's (2), Darktrace (1). Former SenseOn employees most often moved to Rubrik (10), Runway (3), Harness (2), Darktrace (2), Meta (2), Qevlar AI (2).
Alumni worth knowing
The SenseOn mafia
SenseOn alumni have founded 6 companies, primarily in cybersecurity. PlugSecure, founded by a former SenseOn employee, has grown to 4 staff, making it the most successful spin-off.
6George Anagnostopoulos, was Head of DevOps until 2024Will Maunder-Taylor, was Chief Operating Officer & Co-Founder until 2018Nic Brauer, was Account Executive until 2019Corneliu Cogeanu, was Cyber Security Backend Developer until 2023Martin Z., was Security Analyst (Threat Analytics) until 2019Tyler Bodmann, was Account Manager until 2019Web traffic
Traffic mix: 0% direct, 0% search, 0% social, 0% paid.
What this company is made of
Most common skills at SenseOn: Python (Programming Language) (17), Cybersecurity (16), Linux (15), Management (12), Leadership (12), Team Leadership (11), Networking (11), Sales (10).
Where the team actually sits
SenseOn people are concentrated in England, United Kingdom (14), United Kingdom (10), Western Australia, Australia (3), Buenos Aires Province, Argentina (2).
Search footprint
SenseOn attracts about 99 organic search visits a month, traffic worth roughly $3K a month if bought through ads. It gained 23 ranking keywords and lost 39 in the last period.
What employees say
- Compensation
- 3.80 / 5
- Career opportunities
- 3.40 / 5
- Senior management
- 3.60 / 5
- Work-life balance
- 3.40 / 5
Frequently asked
SenseOn has 57 employees as of September 2026.
SenseOn has raised $26M in total, most recently a Series A round in September 2021.
SenseOn was founded in 2017 by David Atkinson.
David Atkinson (Founder and CEO) sits at the top of SenseOn's reporting structure, with 5 direct reports.
The most common previous employers of current SenseOn staff are ESET Latinoamérica (2 people), Government of the Province of Buenos Aires (2 people), Avast (2 people).
Former SenseOn employees most often move to Rubrik (10), Runway (3), Harness (2).
At least 6 companies have a founder who previously worked at SenseOn, including PlugSecure, Unsung, Forge Operations.
SenseOn attracts about 99 organic search visits a month, worth roughly $3K a month in equivalent ad spend.
The most common skills among SenseOn staff are Python (Programming Language), Cybersecurity, Linux, Management, Leadership.
SenseOn staff are concentrated in England, United Kingdom (14), United Kingdom (10), Western Australia, Australia (3).
SenseOn has about 17 people in Engineering, up 6% over the past year, as of September 2026.
SenseOn has about 9 people in Entrepreneurship, up 0% over the past year, as of September 2026.
Computed from 41 current and 133 former SenseOn profiles, as of September 2026. Source: Crustdata.
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