Organization · Accelerator
L'Accélérateur
L'Accélérateur, now known as Day One Entrepreneurs & Partners, is a French entrepreneurship accelerator and investment firm that supports entrepreneurs through a personalized, long-term approach.
Overview
What L'Accélérateur does
What L'Accélérateur is
L'Accélérateur, now known as Day One Entrepreneurs & Partners, is a French entrepreneurship accelerator and investment firm that supports entrepreneurs through a personalized, long-term approach.
How it participates in the startup ecosystem
The current public profile supports funder and program host capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Accelerator
- Founded
- Founded in 2012
- Approximate age
- About 14 years
- Structured capabilities
- Funder · Program host
- Last reviewed
- April 1, 2026
What Accelerator means
An accelerator is a structured, short-term program designed to speed up a startup's progress toward product-market fit, traction, fundraising, or scale.
Open the glossary entryOfficial channels
Find L'Accélérateur elsewhere
Open the official website or a supported primary organization account.
Capability profile
L'Accélérateur as a funder
Investment thesis
Day One Entrepreneurs & Partners focuses on supporting young startups through a structured entrepreneurial process, emphasizing long-term partnerships and sustainable business creation.
Focus narrative
Day One Entrepreneurs & Partners invests in startups at various stages, starting from the seed phase and potentially investing up to €20 million over time. The organization is not a traditional investment fund; instead, it seeks to build long-term partnerships with entrepreneurs, focusing on creating profitable and sustainable businesses. It operates across various sectors, including both B2C and B2B markets.
Value beyond capital
Day One Entrepreneurs & Partners provides personalized coaching, technical expertise, and access to a vast network of mentors and experts to support startups in their growth journey.
Terms and economics
- Typical check
- $1,000,000–$20,000,000
Focus and fit
- Stages
- Seed · Seed+ · Accelerator
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 5
Portfolio context
Notable portfolio companies include Vinotrip, a startup focused on oenotourism; TravelWifi, a service providing low-cost Wi-Fi connections across Europe; WeHome, a company offering home services; FioulReduc, a platform for domestic fuel distribution; and Ector, a valet parking service for airports and train stations.
Capability profile
L'Accélérateur as a program host
Program thesis
Day One Entrepreneurs & Partners focuses on supporting young startups through a structured entrepreneurial process, emphasizing strong personal relationships and sustainable company creation.
Focus narrative
Day One Entrepreneurs & Partners invests in startups at various stages, starting from the seed phase and potentially investing up to €20 million over time. The organization is not a traditional investment fund; instead, it seeks to build long-term partnerships with entrepreneurs, focusing on creating profitable and sustainable businesses. It operates across various sectors, including both B2C and B2B markets.
Value and support
Day One Entrepreneurs & Partners offers a comprehensive support system for startups, including personalized coaching and access to a network of mentors and experts.
Alumni and track record
Alumni context
Notable portfolio companies include Vinotrip, a startup focused on oenotourism; TravelWifi, a service providing low-cost Wi-Fi connections across Europe; WeHome, a company offering home services; FioulReduc, a platform for domestic fuel distribution; and Ector, a valet parking service for airports and train stations.
Common questions
What to know about L'Accélérateur
Upseed classifies L'Accélérateur under the Accelerator organization type. Its current public profile includes funder and program host capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
April 1, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.