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EIC Pathfinder vs Transition vs Accelerator: which fits you?

EIC Pathfinder, Transition and Accelerator differ by TRL, applicant type and funding. See which fits your startup, with 2026 deadlines and budgets.

EIC Pathfinder funds early research (TRL 1–4) for consortia, EIC Transition turns existing research results into a validated technology (TRL 4 to 5 or 6), and EIC Accelerator finances a single company bringing a product to market (TRL 6–8). If you are a startup with a working prototype, the Accelerator is usually the fit. Pathfinder and Transition are mainly for teams still proving the science. Facts below are as of October 2026 and come from the EIC's own funding pages and the 2026 Work Programme.

The three schemes at a glance

  • Pathfinder: grants for early-stage research towards a proof of concept, TRL 1–4, mostly for consortia of at least three partners.
  • Transition: grants to validate and demonstrate a technology that already exists as a research result, starting at TRL 4.
  • Accelerator: a grant, equity, or both for one startup or SME that is ready to scale, TRL 6–8.

If you are unsure where your technology sits, check it against our explainer on technology readiness levels before you pick a scheme.

EIC Pathfinder: research, not a product

Pathfinder supports ambitious early research on future technologies, up to proof of concept. According to the EIC Pathfinder page, it covers TRL 1–4 and grants go up to €4 million, or more if duly justified.

Who can apply

The standard rule is a consortium of at least three independent legal entities. At least one must be in an EU Member State, and at least two others in different Member States or Horizon Europe associated countries. Single applicants and two-partner consortia can apply only to Pathfinder Challenges.

Open and Challenges

Pathfinder Open accepts any field of science, technology or application. Pathfinder Challenges asks for projects within predefined thematic areas. In 2026 the Open budget was €166 million, with a deadline of 12 May 2026. The Challenges budget was €96 million, with a deadline of 28 October 2026. Both 2026 Pathfinder deadlines have now passed.

Pathfinder is rarely a startup's first move unless the company is a university spin-out working with research partners. It pays for research, so it suits teams that still need to show a concept works.

EIC Transition: from research result to validated technology

Transition is the bridge between a lab result and a business case. The EIC Transition page says projects start at TRL 4 and aim for TRL 5 or 6. Grants go up to €2.5 million. The money covers technology validation and demonstration in application-relevant environments, plus business and market readiness work.

You must build on earlier results

This is the main difference from the Accelerator. A Transition proposal has to build on results from an eligible earlier project that reached at least TRL 3 (completed) or TRL 4. Eligible sources named by the EIC include:

  • EIC Pathfinder projects, plus Horizon 2020 EIC pilot, FET-Open and FET-Proactive projects
  • ERC Proof of Concept projects
  • Research and Innovation Actions under relevant Horizon 2020 and Horizon Europe programmes
  • European Defence Fund research projects, for civil applications only

Who can apply

Startups, SMEs and research organisations can apply as a single legal entity. Teams that intend to form a spin-off are also eligible. Consortia are allowed too: two independent entities from different countries, or three to five entities meeting the country rules. Large companies that are not SMEs cannot apply alone.

The 2026 budget was €100 million, with one cut-off on 16 September 2026. That deadline has passed.

EIC Accelerator: scaling a product

The EIC Accelerator is the scheme for companies, not research teams. It targets TRL 6–8. The page describes a grant component below €2.5 million and an equity investment of €1–10 million, which can be combined or taken as investment only. A grant covers activities of up to 24 months.

Who can apply

A single startup or SME from an EU Member State or associated country can apply, including spin-outs. Individuals or entities planning to set up an SME or small mid-cap also qualify. Small mid-caps with up to 499 employees can apply for investment only. Only one Accelerator application can be live at a time.

How the process works

Unlike the other two schemes, the Accelerator has a rolling short application: a 12-page form, a pitch deck of up to 10 slides and a video of up to 3 minutes. A positive result opens the full proposal, which is submitted on a batching date. The 2026 dates are 7 January, 4 March, 6 May, 8 July, 2 September and 4 November, all at 5 pm Brussels time. Top proposals go to a jury interview, and blended-finance applicants then go through due diligence on the investment part.

Step-by-step instructions are in our guide to applying to the EIC Accelerator. In 2026 the EIC budget was €414 million for Accelerator Open and €220 million for Accelerator Challenges.

Side-by-side comparison

  • Applicant: Pathfinder, a consortium of three or more (Challenges also allows smaller teams). Transition, a single entity or a small consortium. Accelerator, one startup or SME.
  • TRL: Pathfinder 1–4. Transition starts at 4 and aims for 5 or 6. Accelerator 6–8.
  • Money: Pathfinder grants up to €4 million. Transition grants up to €2.5 million. Accelerator grant below €2.5 million plus optional equity of €1–10 million.
  • Prior work needed: only Transition requires results from an eligible earlier project.
  • 2026 timing: Pathfinder Open 12 May and Challenges 28 October. Transition 16 September. Accelerator full proposals in six batches through 4 November.

Which one fits your startup

Match the scheme to what you can show today:

  1. If your core idea is still a research question and you have academic partners, look at Pathfinder.
  2. If you hold results from a Pathfinder, ERC Proof of Concept or other eligible project and need to take them to a working prototype, look at Transition.
  3. If you have a tested prototype, early customers or a pilot, and need capital to scale, look at the Accelerator.

Teams often move along this chain. A Pathfinder project can feed a Transition proposal, and a Transition project can lead to an Accelerator application, but none of these steps is mandatory. Whichever you choose, you will need a PIC number to submit; see how to get a PIC number.

For examples of companies that built on public funding, browse our startups coverage and the founders section.

What about 2027

This article uses only the 2026 rules and calls, as published on the EIC website in October 2026. Deadlines, budgets and eligibility can change in a new Work Programme, so check the EIC website and the EU Funding & Tenders Portal before planning a 2027 submission.

Frequently asked questions

What is the difference between EIC Pathfinder and EIC Accelerator?

Pathfinder funds early-stage research (TRL 1–4), typically for consortia. The Accelerator funds a single startup or SME that is taking an innovation to market (TRL 6–8), with a grant and optional equity.

Can a startup apply to EIC Transition?

Yes, as a single legal entity or in a consortium. The proposal must build on results from an eligible earlier project, such as an EIC Pathfinder or ERC Proof of Concept project.

When is the EIC Transition deadline in 2026?

The 2026 cut-off was 16 September 2026, so it has passed. Check the EIC site for the next call once it is adopted.

Is EIC Pathfinder open for 2027?

As of October 2026, only the 2026 deadlines (12 May for Open, 28 October for Challenges) are confirmed in the adopted Work Programme. Watch the EIC website for the 2027 call details.

Can I apply to the Accelerator at any time?

The short application can be submitted at any time. The full proposal is submitted on a batching date, with the last 2026 date on 4 November.