Startup Incubators vs Accelerators: What Are The Differences

Michał Kowalewskiby Michał Kowalewski • 7 min readpublished April 15, 2023 updated December 4, 2023
Share this
Capbase blog

The entrepreneurial landscape has evolved tremendously over the past few years, and a significant contributor to this evolution is the rise of startup incubators and accelerators. Both programs have played a critical role in helping early-stage startups grow and scale their businesses.

As an entrepreneur, it's essential to understand the differences between incubators and accelerators to determine which one would be the best fit for your startup.

In this article, we will explore the key differences between startup incubators and accelerators, providing examples of both and offering guidance on choosing the right program for your business.

Key Takeaways

  • Incubators nurture early-stage startups and help them develop their business ideas, while accelerators focus on rapidly scaling startups with more established products or services.
  • Incubator programs offer more flexibility in duration and structure, whereas accelerators have a fixed timeline and a more structured, cohort-based approach.
  • Incubators may provide funding through grants, loans, or non-dilutive financing, while accelerators typically offer seed investment in exchange for equity in the startup.
  • Entrepreneurs should consider their startup's stage of development, funding needs, time frame, and desired mentorship when deciding between an incubator and an accelerator.

Ready to get started?

Creating a company on Capbase is as easy as filling out a few forms! Get started today and get your Delaware C Corp and a bank account setup in just a few clicks!

What Is A Startup Incubator?

A startup incubator is a program or organization that provides resources, support, and mentorship to early-stage startups to help them develop their business idea and grow organically. Incubators typically focus on nurturing startups and helping them overcome challenges in their initial development stages. The primary goal of a startup incubator is to create a supportive environment that enables entrepreneurs to develop their business ideas, validate their target market, and build a solid foundation for long-term success.

Business incubators are often created by universities and business schools as parts of a wider educational ecosystems. Even though these incubators are technically non-profit, there are indirect benefits. Such institutions are actively supporting entrepreneurship among their students, because it raises their profile and reputation, and provides a way to connect students with successful alumni.

1. Duration & Structure

Startup incubator programs typically have a more flexible duration, ranging from a few months to a couple of years, depending on the startup's needs and the incubator's offerings. The structure of incubator programs is often less rigid, allowing startups to work at their own pace and focus on their specific development areas. Incubators usually provide startups with a coworking space, access to resources, and mentorship on an ongoing basis.

2. Mentorship & Resources

Incubators offer a variety of mentorship and resources tailored to the needs of early-stage startups. Startups in incubators can expect guidance and mentorship from industry experts, successful entrepreneurs, and other professionals relevant to their business sector. The resources provided by incubators are often customized to the specific needs of each startup, focusing on areas such as product development, market research, and creating a business plan. Incubators may also offer access to tools, software, and other resources that startups can use to develop their products or services.

3. Funding & Equity

Startup incubators may or may not fund the startups in their programs. When they do, the funding sources are often grants, loans, or other non-dilutive forms of financing. Some incubators might offer seed funding in exchange for a small equity stake in the startup. Incubators focus primarily on nurturing and supporting startups rather than providing substantial financial investments.

4. Application process

Incubators usually require startups to complete an online application form, asking for information about the founding team, business idea, and target market. With a focus on very early stages, incubators have more flexible selection criteria and rolling admissions, allowing startups to join throughout the year. Selected startups may participate in interviews or pitch sessions, but the process is generally less competitive compared to accelerators. Upon acceptance, startups receive information about the program's start date, duration, and flexible structure, enabling them to work at their own pace and focus on specific development needs.

What Is A Startup Accelerator?

Startup accelerator is a program that focuses on rapidly scaling and growing startups by providing mentorship, resources, and funding. Accelerators usually have a more structured and intensive program designed to accelerate a startup's growth within a short period, often a few months. The primary goal of a startup accelerator is to help startups achieve rapid growth, refine their business model, expand their customer base, and prepare for future investment rounds.

One stark difference between startup accelerators and incubators is the fact that business accelerators are for-profit ventures. They are often created as a branch of a big corporation or a venture capital firm, as they are a great source of deal flow and new businesses, they help brand awareness and can bring in customers. Many accelerators require a non-trivial amount of equity from the startup founders, which is definitely something worth considering when deciding whether to join a cohort.

1. Duration & Structure

Accelerator programs have a fixed duration, generally three to six months. These programs follow a more structured, cohort-based model where multiple startups participate in the program simultaneously. Accelerators typically have a set curriculum, with workshops, seminars, and mentorship sessions scheduled throughout the program. At the end of the program, startups often participate in a Demo Day, where they pitch their business to investors and industry experts.

2. Mentorship and Resources

Accelerators also provide mentorship and resources, but their approach is more intensive and focused on rapid growth. Startups in accelerator programs can expect a robust curriculum covering topics such as business strategy, sales, marketing, fundraising, and product development. Accelerators often bring in mentors and industry experts to lead workshops, provide one-on-one guidance, and offer strategic advice. In addition to structured programming, accelerator programs often provide startups access to an office space, vast network of angel investors and venture capitalists, alums, and other entrepreneurs.

One of the biggest benefits of joining a top-tier accelerator is certainly the network effect. If you’re not an experienced founder, joining a YC or 500 startups accelerator can both give you access to a wide net of thriving entrepreneurs (who might even end up as your first customers), investors and boost your credibility on the scene.

3. Funding & Equity

Startup accelerators usually provide funding to the startups participating in their programs. The funding is typically in the form of seed investment, usually in exchange for a specific percentage of equity in the startup, ranging from 5% to 10% or more. The equity structure and funding amount can vary depending on the accelerator program and the startup's stage of development. In addition to financial investment, accelerators provide a wealth of resources and mentorship aimed at helping startups achieve rapid growth and become attractive prospects for future investors.

4. Application process

Accelerator application processes generally involve an online form requiring information about the startup's team, business idea, market, and traction. With strict selection criteria and deadlines, accelerators focus on proven startups with scalable models, often within specific industries or development stages. Operating on a cohort basis, they have competitive interview and pitch stages, accepting only a limited number of startups. Upon acceptance, startups receive program details, including start date, duration, structure, and any required equity or funding agreements.

Best Startups Incubators And Accelerators In 2023

As the startup ecosystem continues to thrive in 2023, numerous incubators and accelerators have emerged as leaders in fostering innovation and nurturing entrepreneurial talent. In this section, we'll explore the top startup incubators and accelerators that have made a significant impact on the success of early-stage companies this year.


  1. Idealab: Founded in 1996, Idealab is a Pasadena-based incubator that has created and operated more than 150 companies, with successful exits such as CitySearch, Picasa, and Overture.
  2. Seedcamp: A European incubator and early-stage venture capital firm based in London, Seedcamp provides startups with powerful mentorship, resources, and a network of experts to help them develop their ideas and grow their businesses. Some of its notorious alumni include Hopin, Revolut and Wise (formerly TransferWise).
  3. Station F: Located in Paris, Station F is the world's largest startup campus, offering a variety of incubator programs, resources, and networking opportunities for startups across various industries.


  1. Y Combinator: As one of the most prestigious accelerator programs globally, Y Combinator has a proven track record of nurturing successful startups such as Dropbox, Airbnb, and Reddit. Based in Silicon Valley, Y Combinator offers an intensive three-month program that includes seed funding, a comprehensive curriculum, one-on-one mentorship, weekly dinners with guest speakers from the tech industry, and a Demo Day where startups pitch their businesses to potential investors.
  2. Techstars: With a global network of accelerator programs, Techstars focuses on helping startups across various industries thrive. Each Techstars program provides selected startups with mentorship, resources, and funding in exchange for equity. In addition to the intensive three-month program, startups gain access to a robust network of alumni, mentors, and investors that can help drive their growth and success. Notable Techstars alumni include SendGrid, Sphero, and Contently.
  3. 500 Startups: As a leading seed-stage accelerator program, 500 Startups supports startups by providing them with a comprehensive 16-week curriculum, mentorship, resources, and funding in exchange for equity. With a global presence, the program emphasizes customer acquisition, growth hacking, and fundraising strategies. 500 Startups has helped launch numerous successful companies, including Credit Karma and Canva, and prides itself on its strong network of mentors, investors, and partners.

Accelerators vs Incubators: Which One Is Better For Your Startup

When deciding between an incubator and an accelerator for your startup, consider the following factors:

  • Stage of development: Incubators are generally more suited for startups in the idea or early development stage. Accelerators are geared towards startups with a more established product or service and a clear growth path.
  • Funding needs: If your startup requires substantial financial investment, an accelerator program may be a better fit, as they typically offer funding in exchange for equity.
  • Timeline and structure: Incubators provide more flexibility in duration and structure, while accelerators have a fixed timeline and more structured programming. Consider which approach would work best for your startup's needs and goals.
  • Mentorship and resources: Assess the type of mentorship and resources offered by both incubators and accelerators and determine which would be most beneficial to your startup's growth and development.


Startup incubators and accelerators both play crucial roles in the entrepreneurial ecosystem, but they serve different purposes and cater to startups at various stages of development.

Incubators focus on nurturing idea stage startups and providing support and mentorship to help them build a solid foundation.

In contrast, accelerators are designed to rapidly scale and grow startups that may already have an mvp and are trying to achieve product market fit, through intensive programming, mentorship, and funding.

Michał Kowalewski

Written by Michał Kowalewski

Writer and content manager at Capbase. Passionate about startups, tech and multimedia. Based in Warsaw, Poland.

Related articles

Northern Mariana Islands Business Entity Registration for Delaware Corporations

Is your company doing business in the Northern Mariana Islands? Get an easy-to-follow explanation about what forms you’ll need, information about registration fees, filing deadlines, naming requirements, and more.

Capbase Staffby Capbase Staff • 7 min read

American Samoa Business Entity Registration for Delaware Corporations

Is your company doing business in American Samoa? Get an easy-to-follow explanation about what forms you’ll need, information about registration fees, filing deadlines, naming requirements, and more.

Capbase Staffby Capbase Staff • 7 min read

7 Types of Startup Investors Who Can Fund Your Company

Find out everything a founder has to know about different types of startup investors, including angels, startup syndicates, VCs, accelerators and more.

Michał Kowalewskiby Michał Kowalewski • 15 min read
DISCLOSURE: This article is intended for informational purposes only. It is not intended as nor should be taken as legal advice. If you need legal advice, you should consult an attorney in your geographic area. Capbase's Terms of Service apply to this and all articles posted on this website.