351 Portuguese Startup Association: price, who can join and alternatives
351 Portuguese Startup Association is a volunteer-led founder community that runs Slack and WhatsApp channels, programmes and perks for startups in Portugal. Its main Lisbon format is Coworking Thursdays, a free weekly day of coworking at a different Lisbon space each Thursday. Paid tiers add curated intros and founder channels.
351 Portuguese Startup Association at a glance
| What | Detail | Source |
|---|---|---|
| Who it's for | Founders, investors and ecosystem players in Portugal | 351startups.com |
| Coworking Thursdays | Free weekly coworking day for startup founders | meetup.com |
| Where | Rotating Lisbon coworking spaces, such as Elevada | coworkingthursdays.pt |
| Upcoming event | Lisbon Coworking Thursday on 29 October 2026 | meetup.com |
| Registration | Registration opens the Monday before at 13:00 | meetup.com |
| Price | Free membership tier | 351startups.com |
| Startup membership | €97 a year for founders and startups up to €100k ARR | 351startups.com |
| Channels | Access to Slack and WhatsApp channels | 351startups.com |
| Size | Says it gathers 2,500+ startup founders, investors and corporate innovators | meetup.com |
Who it suits
- Founders who want a free weekly place to work and meet peers
- Startups looking for intros and perks
- New arrivals wanting to plug into the Portuguese ecosystem
Who it doesn't suit
- Anyone wanting a small closed peer group
- People who need the same desk every week
- Founders outside Portugal
Alternatives to 351 Portuguese Startup Association
| Community | Price | Entry rule |
|---|---|---|
| AI Builders Lisbon | Pay what you like; student ticket €7, free tickets on request | Get a ticket on Luma |
| Casa do Impacto | Not published | Apply through its open calls for incubation or acceleration |
| DNA Cascais | Not published | Apply for incubation or the yearly ideas and business contest |
| Female Founders Breakfast Lisbon | Not published | Request a ticket on Luma; some editions need host approval |
| Founders Running Club Lisbon | Not published | RSVP on Meetup, then join the WhatsApp group |
| IndieBeers Lisboa | Not published | Open; attend a meetup to join the WhatsApp group |
| Lisbon Innovators and Entrepreneurs | Not published | RSVP on Meetup and join the WhatsApp group |
| Open Coffee Lisbon | Free | RSVP on Meetup |
Compare all 471 founder communities, each row dated.
Questions about 351 Portuguese Startup Association
- What is Coworking Thursdays?
- A free weekly coworking day at a different Lisbon space each Thursday, for startup founders and tech people.
- How do I register?
- On the Coworking Thursdays website, where registration opens the Monday before at 13:00.
- How much is membership?
- There is a free tier, an individual tier at €47 a year and a startup tier at €97 a year.
- Website
- 351startups.com
- Price
- Free; €47 a year individual; €97 a year startup membership
- Entry rule
- Join online; register for Coworking Thursdays on its website
- Format
- Startup association with Slack and WhatsApp channels and free weekly Coworking Thursdays
- Checked
351 Portuguese Startup Association isn't connected to Remote Builders. Prices and entry rules change, so check 351startups.com before you apply. Spotted something out of date? Tell us in the members' chat.