SE

Session.vc — Pre-Seed & Seed VC Firm ($659K–$18.0M Checks)

VC
Zurich, SwitzerlandWebsite

Session.vc is a Pre-Seed, Seed, Series A venture capital firm based in Zurich, Switzerland investing in AI / ML, Security. The firm typically writes $659K–$18.0M checks and has 7 portfolio companies in our records.

Check size
$659K–$18.0M
Portfolio
7 companies on record
Partners
3 listed
Stage
Pre-Seed, Seed, Series A
Sectors
AI / ML, Security
HQ
Zurich, Switzerland
AUM
Not in our records

Last verified: 2026-11-12

How to approach: warm intro preferred
Stage

Pre-Seed, Seed, Series A

Check Size

$659K – $18.0M

Portfolio

7+ companies

Team

3 partners

Investment Thesis

Swiss early-stage investor focused on software, AI, and machine learning. It is relevant for AI-native enterprise products and can support larger early checks.

How Session.vc invests

Session.vc is a vc firm based in Zurich, Switzerland. The firm invests at the Pre-Seed, Seed, Series A stages, with a focus on AI / ML, Security.

Session.vc typically writes checks of $659K–$18.0M per investment.

Session.vc has backed 7 companies in our records, including deskbird, Jua, Dufour Aerospace.

Partners & Team

PB

Philippe Bubb

Founding Partner

Strategy & Growth
Finance

Entrepreneur and investor with experience in building and supporting consumer and technology businesses. Focuses on long-term value creation, brand development, and working closely with management teams on strategy, financing and growth.

JM

Jeremias Meier

Partner

Company building
Go to market

15 years of experience as a serial founder and CEO. First company, a web development provider, was acquired by PWC. Co-founded the market-leading SaaS accounting company bexio and led it to a successful exit. Supports SaaS startups as a mentor, board member and investor, and assists selected investments hands-on in company building, data-driven marketing and scaling sales.

MA

Martin Altorfer

Founding Partner

Technology
Product Management

Entrepreneur and investor with over 30 years of experience in information technology and product management. Founded and led several companies, including Active-Net (sold to UUNET) and Celeris (sold to Swisscom). Served as CIO of CSR Ltd. in Australia. Since 2010, has focused on investing and hands-on support, notably as investor and Executive Chairman of Bexio, which was sold to Mobiliar in 2018.

Industry Focus

Invests In

AI / ML
Security

Portfolio Companies (7)

Other

DE

deskbird

SaaS / workplace tech·Seed / Series A / Series B

Workplace management software for desk booking, hybrid work, and office coordination

JU

Jua

AI / climate / energy tech·Seed

AI weather forecasting and physical-simulation models for energy and related industries

DU

Dufour Aerospace

Aerospace / mobility·Not specified

Electric/hybrid VTOL aircraft and aviation systems

SM

smino

Construction tech / SaaS·Series A

Construction/project collaboration software

LA

Lano

HR tech / payroll SaaS·Series A

Global payroll, employer-of-record, and contractor management platform

SA

Saporo

Cybersecurity·Series A

Cybersecurity platform focused on attack-path management / exposure reduction

CE

Cerrion

Industrial AI / computer vision·Series A

Video AI platform for manufacturing that detects issues and analyzes root causes

How to pitch Session.vc
  • •Raising at Pre-Seed, Seed, Series A? You're squarely in their sweet spot.
  • •Lead with your fit in AI / ML, Security — the sectors they actively back.
  • •Size your ask to their typical $659K – $18.0M check.
  • •warm intro preferred
  • •Address your outreach to a specific partner, such as Philippe Bubb, Founding Partner.
  • •A warm introduction beats a cold email. Get matched and request an intro.

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