The entrepreneurial ecosystem has a vocabulary problem. Incubator, accelerator, venture builder, cluster, VC fund. Five terms that often appear together at the same events and in the same articles, as if they were different versions of the same thing.
They are not.
Each one serves a different stage in a startup’s journey, and understanding which one fits your company is one of the first strategic decisions a founder makes—even if it doesn’t always feel that way.
An incubator is designed to help entrepreneurs turn a business idea into a viable company. Its role is to support idea validation, help assemble the founding team and provide structure to something that is still highly fragile. In return, some incubators take a small equity stake—typically between 0% and 10%—although many take no equity at all and instead charge through workspace, shared services or a programme fee.
The ideal participant is someone who knows they want to build a company but is still figuring out what to build and how.
An accelerator comes into play once there is already a minimum viable product (MVP) and some evidence of market demand. Its goal is simple: compress months of learning into a matter of weeks. Through programmes lasting three to six months, and typically in exchange for between 5% and 15% equity, accelerators provide intensive mentoring, access to valuable networks and introductions to investors, usually culminating in a Demo Day.
Globally, Y Combinator remains the benchmark. In Spain, Conector Startup Accelerator, founded by Carlos Blanco, is recognised for the quality of its mentor network and its hands-on approach to early-stage startups. Lanzadera, launched by Juan Roig, is another well-established reference within the Spanish ecosystem.
The real value of an accelerator is not its brand name—it is who it connects you with.
The venture builder is perhaps the most distinct—and the most misunderstood—model of all. Rather than working with external startups, venture builders generate business ideas internally, recruit founding teams and build companies from within the organisation. Entrepreneurs join to execute an existing investment thesis rather than develop their own.
It is also the model that retains the largest equity stake from day one, typically between 30% and 60% of the company. In exchange, founders gain immediate access to capital, operational resources, methodology and shared services, significantly reducing execution risk.
In Spain, Nuclio Venture Builder, founded by Carlos Blanco, is one of the country's leading examples of the model. It was behind the creation of Housfy, one of Spain's fastest-growing real estate platforms. N-ventures, one of the funds managed by Encomenda Capital Partners SGEIC, was created specifically to support startups emerging from Nuclio Venture Builder. Companies currently in its portfolio include Cookistible, Kintai and Get KomboAI.
There is another player that is not always included in these comparisons but plays a significant role in the ecosystem: associations and clusters. They do not work with individual startups directly, nor do they take equity. Instead, they bring together companies, institutions and other stakeholders within a particular sector or region to create synergies, share resources and strengthen collective representation. Their value lies in their network, collaborative programmes and ecosystem visibility.
Tech Barcelona is perhaps the clearest example in Spain. The association brings together Barcelona's technology ecosystem and was co-founded by Carlos Blanco. For entrepreneurs who have just arrived in the city, it can be one of the best entry points for understanding and integrating into the local startup community.
A venture capital fund enters the picture once the company already exists, the business model has been validated—albeit on a small scale—and what is needed is capital to grow. In exchange for its investment, the fund acquires an ownership stake in the company. Unlike the previous players, VC funds do not provide structured programmes or fixed mentoring. Their contribution is financial capital, strategic guidance and access to a valuable network that can help founders navigate key decisions.
At Encomenda Capital Partners SGEIC, this is precisely what we have been doing for years. Through our current fund, Encomenda Seed II, we invest in pre-seed and seed-stage startups, with the goal of supporting around 45 to 50 Spanish technology companies during their earliest stages of growth.
And we are actively investing. If you are building something and believe we could be the right partner, we would love to hear from you:
https://encomenda.com/looking-for-funding/
Where should you start?
The answer depends entirely on the stage your startup is at.
If you are still refining your business idea, an incubator is probably the right place.
If you already have a product and early signs of customer demand, consider an accelerator.
If you would rather execute an already validated business thesis, a venture builder may be the best fit.
If you are looking for networking opportunities and ecosystem visibility without giving up equity, an association or cluster is likely the right choice.
And if you have traction and need capital to scale, it is time to speak with a venture capital fund.
None of these models is inherently better than the others. The mistake is approaching the wrong one at the wrong stage. The startup ecosystem offers solutions for every phase of growth—but it offers no shortcuts around the journey itself.
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