# Trusted Cofounder

> Brief-first cofounder matching for Finland's startup ecosystem. Founders and cofounders write free-text briefs, we parse them into structured signals and rank matches.

Trusted Cofounder is a free, public cofounder brief board for Finland. The talent directory at /talent is publicly indexable. Search by city, role, seniority, or skill, or write your own brief and rank candidates against it. No trials, no fees, no resume paste.


## Core pages

- [Home](https://www.trustedcofounder.com/): Browse Finland's cofounder pool. Free and public.
- [Talent directory](https://www.trustedcofounder.com/talent): Public directory of active Finnish founders and cofounders.
- [Perustajatiimi (FI)](https://www.trustedcofounder.com/perustajatiimi): Finnish-language landing for the cofounder hub.
- [Podcast](https://www.trustedcofounder.com/podcast): Long conversations with the founders shaping Finland's startup scene.

## Concept pages

- [Find a cofounder in Finland](https://www.trustedcofounder.com/explain/find-cofounder-finland): How Finnish founders find technical, business, and product cofounders.
- [How cofounder matching works](https://www.trustedcofounder.com/explain/how-cofounder-matching-works): The brief-first matching engine, weighted dimensions, and what makes a high-fit pair.
- [What is a cofounder](https://www.trustedcofounder.com/explain/what-is-a-cofounder): Definition, equity norms, and how cofounder relationships actually work.
- [Cofounder matching platforms compared](https://www.trustedcofounder.com/explain/cofounder-matching-platforms-compared): Side-by-side of Trusted Cofounder, Kiuas, Y Combinator Co-Founder Matching, and others.

## Cities (Finland)

- [Helsinki cofounder community](https://www.trustedcofounder.com/perustajatiimi/helsinki): Helsinki is the heart of the Finnish startup ecosystem.
- [Espoo cofounder community](https://www.trustedcofounder.com/perustajatiimi/espoo): Espoo, especially Otaniemi, is Finland's deep tech hub.
- [Tampere cofounder community](https://www.trustedcofounder.com/perustajatiimi/tampere): Tampere combines deep engineering heritage with a growing startup community.
- [Oulu cofounder community](https://www.trustedcofounder.com/perustajatiimi/oulu): Oulu is the technology hub of Northern Finland.
- [Turku cofounder community](https://www.trustedcofounder.com/perustajatiimi/turku): Turku is a coastal hub where biotech and maritime technology meet a rising software company scene..
- [Vantaa cofounder community](https://www.trustedcofounder.com/perustajatiimi/vantaa): Vantaa is the third city of the Helsinki capital region and home to Helsinki-Vantaa Airport.
- [Jyväskylä cofounder community](https://www.trustedcofounder.com/perustajatiimi/jyvaskyla): Jyväskylä is the startup center of central Finland, with gaming, edtech, and sports science applications shaping a distinctive ecosystem..
- [Kuopio cofounder community](https://www.trustedcofounder.com/perustajatiimi/kuopio): Kuopio is an emerging technology city in eastern Finland, with health tech and nutrition technology clustering around the University of Eastern Finland..
- [Vaasa cofounder community](https://www.trustedcofounder.com/perustajatiimi/vaasa): Vaasa is the Nordic energy technology hub.

## Roles

- [Technical Cofounder](https://www.trustedcofounder.com/perustajatiimi/etsi-tekninen-perustaja): A technical cofounder builds the first version of the product hands on and owns the technology choices.
- [Business Cofounder](https://www.trustedcofounder.com/perustajatiimi/etsi-liiketoimintaperustaja): A business cofounder owns the path from product to paying customers.
- [Product Cofounder](https://www.trustedcofounder.com/perustajatiimi/etsi-tuoteperustaja): A product cofounder sets the product direction and keeps the team focused on the single most important user problem.
- [CTO Cofounder](https://www.trustedcofounder.com/perustajatiimi/etsi-cto-perustaja): A CTO cofounder owns technology strategy when the startup scales past the first engineer.
- [Marketing / Growth Cofounder](https://www.trustedcofounder.com/perustajatiimi/etsi-markkinointiperustaja): A marketing or growth cofounder builds the repeatable channels that bring customers to the product.
- [Design Cofounder](https://www.trustedcofounder.com/perustajatiimi/etsi-design-perustaja): A design cofounder owns the quality of experience and brand that lifts the product out of the noise.

## Blog (recent)

- [Startup-sanasto: founder, co-founder, CEO ja muut roolit suomeksi](https://www.trustedcofounder.com/blog/startup-sanasto-roolit-suomeksi): Mitä founder, co-founder, CEO, CTO, CCO ja CMO tarkoittavat suomeksi? Selkeä sanasto startup-rooleista ja titteleistä suomalaisessa startup-ympäristössä.
- [From Startup Express to First Pilot: An International Founder Building in Finland](https://www.trustedcofounder.com/blog/international-founder-startup-express-inzwa): Victor Kuwandira's path ran Zimbabwe to Shanghai to Finland. How an international founder used Startup Express to unlearn the engineer's build-first instinct and ship Inzwa.
- [Building a Vertical Marketplace in Finland: Lessons from Willit](https://www.trustedcofounder.com/blog/building-a-vertical-marketplace-finland): How Willit is building the marketplace for Finland's foraged, fished, and hunted produce. Three lessons for anyone building a vertical marketplace in Finland.
- [Co-founder suomeksi: mitä tarkoittaa cofounder?](https://www.trustedcofounder.com/blog/co-founder-suomeksi): Co-founder suomeksi tarkoittaa perustajakumppania. Sanasto-opas siitä, mitä cofounder oikeasti tarkoittaa suomalaisessa startup-ympäristössä, miten se eroaa CEO:sta ja työntekijästä, ja miten löydät oman perustajakumppanisi.
- [6 Reasons Cofounder Matching Platforms Fail (and What Works Instead)](https://www.trustedcofounder.com/blog/why-cofounder-matching-platforms-fail): Most cofounder matching platforms fail in the same six ways: vague profiles, no verification, keyword matching, cold outreach, abandoned accounts, and one-shot intros with no follow-through. A field guide to the failure modes and how Trusted Cofounder addresses each one.
- [Yksin vai yhdessä: tarvitseeko startup perustajatiimin?](https://www.trustedcofounder.com/blog/yksin-vai-yhdessa-startup): Solo founder vai perustajatiimi? Mitä data sanoo, mitä Supercellin ja Woltin tarinat opettavat, ja milloin tarvitset cofounderin sen sijaan että palkkaat ensimmäisen työntekijän.
- [Tekninen perustaja vs. liiketoimintaperustaja: kumman startup tarvitsee?](https://www.trustedcofounder.com/blog/tekninen-vai-liiketoimintaperustaja): Tarvitseeko startupisi CTO:n vai myynnistä vastaavan perustajan? Käytännön opas siihen, milloin teknologia on kilpailuetu, milloin GTM ratkaisee, ja miten arvioit omat puutteesi.
- [Startup-rahoitus Suomessa 2026: Business Finland, Kiuas ja muut](https://www.trustedcofounder.com/blog/startup-rahoitus-suomessa-2026): Päivitetty katsaus suomalaisen startup-rahoituksen kanaviin 2026: Business Finland, Kiuas, Antler, enkelit ja VC. Mikä rahoitus sopii missäkin vaiheessa, ja millainen tiimi tarvitaan.
- [Osakassopimus: opas startup-perustajille](https://www.trustedcofounder.com/blog/osakassopimus-startup-opas): Miksi osakassopimus on tärkein paperi, jonka allekirjoitat. Mitä sen pitää sisältää, miten vesting toimii, IP-siirto, riitojenratkaisu, ja koska kannattaa käyttää lakimiestä.
- [Miten löytää perustajatiimi startupille](https://www.trustedcofounder.com/blog/miten-loytaa-perustajatiimi-startupille): Käytännön opas siihen, miten suomalainen perustaja löytää oikean perustajatiimin: missä etsitään, miten arvioidaan, ja miksi täydentävät taidot ratkaisevat enemmän kuin yhteinen kiinnostus.

## Podcast episodes

- [Building Finland's foraged marketplace (with Risto Holappa)](https://www.trustedcofounder.com/podcast/building-finlands-foraged-marketplace): Risto Holappa founded Willit in October 2025 to fix direct sales for Finland's fishermen, hunters, and foragers. EU-funded pickup containers, AI ordering.
- [Decoding digital body language in e-commerce (with Victor Kuwandira)](https://www.trustedcofounder.com/podcast/decoding-digital-body-language-ecommerce): Victor Kuwandira is building Inzwa, an AI widget that reads digital body language to recover the customers e-commerce stores lose between ad click and checkout.

## Optional

- [LinkedIn company page](https://www.linkedin.com/company/trusted-cofounder): Active company channel; updated weekly.
- [Sitemap](https://www.trustedcofounder.com/sitemap.xml): Full machine-readable site index.
- [llms-full.txt](https://www.trustedcofounder.com/llms-full.txt): Exhaustive page list including role-industry combinations and shared briefs.