| TBD
|-
|Atkins
|2011
|Clients: All kinds, including science-based businesses (biotech, medical devices, nanotechnology, clean energy, etc.) and nontechnology; all ages and genders; includes those with previous experience in an industry or sector. Selection Process: Competitive selection, mostly from the local community. Terms of Service: 1 to 5 or more years (33 months on average). Services: Offers access to management and other consulting, specialized intellectual property and networks of experienced entrepreneurs; helps businesses mature to self-sustaining or high-growth stage; helps entrepreneurs round out skills, develop a management team, and, often, obtain external financing. Investment: Usually does not have funds to invest directly in the company; more frequently than not, does not take equity. Investment: Invests $18,000 to $25,000 in teams of cofounders; takes equity in every investee (usually
4 to 8 percent).
|[http://www.nbia.org/resource_library/review_archive/0611_01.php/ Link]
|TBD
|-
|Hoffman and Radojevich-Kelley
| 2012
|Incubators generally are nonprofit organizations, frequently associated with universities. They provide office space at reasonable rates for the startups they support. They target local startups. They do not invest in the startups.
|[http://www.knsecure.com/Resources/Articles/Defining%20Characteristics%20Among%20Startup%20Assistance%20Organizations.pdf/ Link]
|TBD
|-
| UK Department for Business, Energy, and Industrial Strategy
|2017
|
|[https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/608409/business-incubators-accelerators-uk-report.pdf/ Link]|TBD|-|NESTA|2011|An application process that is open to all, yet highly competitive. Provision of pre-seed investment, usually in exchange for equity. A focus on small teams, not individual founders. Time-limited support comprising programmed events and intensive mentoring. Cohorts or ‘classes’ of start-ups rather than individual companies.|[https://www.nesta.org.uk/report/the-startup-factories/ Link 1]; [https://media.nesta.org.uk/documents/the_startup_factories_0.pdf/ Link 2]|TBD
|-
|Telefonica & O2|2014|Duration: Incubators tend to offer a longer, less intensive period of support, with rolling admissions and no formal cutoff point. The majority of incubators do not invest directly but instead help startups attract investment through their networks. Fees: The majority of incubators charge membership fees or rent, staggeringthe amount according to a company’s ability to pay. Workspace: Long-term office or lab space with state-of-the-art facilities is usually a central part of the incubator package. (pp 9) |[http://cdn.news.o2.co.uk.s3.amazonaws.com/wp-content/uploads/2014/12/O2_WAYRA_Report_121214.pdf?_ga=2.95090709.867707169.1553826924-1724939740.1553826924/ Link]|TBD
|-
|Bone et al. |2017|Open-ended duration (exit usually based on the stage of the company, rather than a specific time frame); Typically rent/fee-based; Focus on physical space over services; Admissions on ad-hoc basis (not cohort-based); Provision of services including mentorship, entrepreneurial training; Often provide technical facilities such as laboratory equipment; Selective admission (but typically less so than accelerators) (pp. 12)|[https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/608409/business-incubators-accelerators-uk-report.pdf/ Link]|TBD
|-
|}
[[File:IncubatorDiagram.PNG]]
[https://link.springer.com/content/pdf/10.1023%2FB%3AJOTT.0000011181.11952.0f.pdf/ Obtained from pp. 9]
[[File:Table2.PNG]]
Source: Excepts from Atkins, D. 2011. What are the new seed or venture accelerators? Available at
[http://www.nbia.org/resource_library/review_archive/0611_01.php/ Link].