San Francisco's startup accelerators and incubators have helped launch some of tech's biggest success stories, with Y Combinator alone driving over $300B in portfolio company valuations . From early-stage funding to world-class mentorship, SF accelerators offer unparalleled opportunities for ambitious founders.
This guide compares the top startup accelerators and incubators across the Bay Area, breaking down their programs, investment terms, and acceptance criteria to help you choose the right launchpad for your startup.
Accelerator Founded Program Type Focus Areas Investment Size Program Length Diversity Investments Success Rate Y Combinator 2005 Hybrid All sectors $500K 3 months 500+ 90% 500 Startups 2010 Hybrid Tech, AI $150K 4 months 514 85% Plug and Play 2006 On-Site Fintech, IoT $100K-$500K 3 months 200+ 75% StartX 2009 Hybrid Deep Tech No equity 6 months 150+ 88% Alchemist 2012 Online Enterprise $36K 6 months 109 82% NFX 2013 Hybrid Marketplaces $2M 5 months 80+ 90% Techstars SF 2006 On-Site AI/ML, SaaS $120K 3 months 100+ 85% HAX 2011 On-Site Hardware $250K 6 months 70 75% Founders Space 2010 Hybrid AI, Blockchain $50K-$500K 3 months 90+ 80% Berkeley SkyDeck 2012 On-Site Deep Tech $200K 6 months 75+ 85% Boost VC 2012 Hybrid Crypto, Space $500K 3 months 60+ 78% Forum Ventures 2015 Online B2B SaaS, AI Varies Varies 80+ 85% IndieBio 2014 On-Site Biotech $525K 4 months 110 80% Founders Institute 2009 Online All sectors Revenue share 4 months 150+ 75% Matter.vc 2012 Hybrid Media Tech $125K 5 months 40+ 75% Singularity 2008 Hybrid AI, Robotics $100K 3 months 50+ 78% Newchip 2016 Online Tech, Healthcare No upfront 6 months 45+ 72% Health Hub SF 2013 On-Site Healthcare $150K 6 months 65+ 85% Quantum Leap 2018 Hybrid Quantum, AI $300K 6 months 30+ 75% AI Ventures Lab 2017 Online AI/ML $400K 5 months 55+ 85% Impact Accelerator 2014 Hybrid Social Impact $150K 5 months 70+ 80%
San Francisco accelerators are increasingly focusing on diversity and inclusion initiatives. Many programs now have dedicated tracks and funding for underrepresented founders:
Dedicated Diversity Programs : Special cohorts and mentorship for diverse foundersDiversity Investment Metrics : Tracking and reporting of investments in diverse-led startupsInclusive Selection Process : Structured interview processes to minimize biasMentorship Matching : Connecting founders with diverse mentorsCommunity Partnerships : Working with organizations supporting underrepresented founders
Accelerator Diversity Investments % of Portfolio Notable Success Stories Y Combinator 500+ 25% Calendly, Faire 500 Startups 514 30% Canva, Grab Alchemist 109 28% LaunchDarkly Plug and Play 200+ 22% Multiple exits
Securing a spot in prestigious San Francisco accelerators requires careful preparation and a strong pitch. Here are key strategies:
Perfect your pitch deck and ensure it tells a compelling story
Show clear traction and market validation
Demonstrate a strong founding team
Have a clear exit strategy and growth plan
Build a realistic financial model with runway projections
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Selecting the optimal accelerator program requires careful consideration of several factors:
Program Focus : Match the accelerator's expertise with your startup's sectorInvestment Terms : Understand equity requirements and funding amountsNetwork Quality : Evaluate mentor networks and alumni success storiesProgram Resources : Consider workspace, technical support, and additional perksDemo Day Exposure : Research investor attendance and past funding success ratesPost-Program Support : Look for ongoing resources and alumni network strengthLocation : Consider if the program is hybrid or requires full-time presence in SF
The world's premier startup accelerator, Y Combinator has shaped the Silicon Valley startup ecosystem since 2005.
Location: San Francisco, CaliforniaFounded: 2005Founders: Paul Graham, Jessica Livingston, Robert Morris, Trevor BlackwellProgram Type: Hybrid (Online/On-site)Contact: apply@ycombinator.com Application Page: ycombinator.com/apply
Investment Terms: $500K ($125K for 7% + $375K on uncapped MFN SAFE)Program Length: 3 monthsBatch Size: 200+ companiesApplication Deadlines: Twice yearly (March and September)
Total Investments: 3,000+Notable Alumni: Airbnb, Stripe, Coinbase, DoorDashCombined Valuation: $600B+Exits: 150+Diversity Investments: 500+ companiesSuccess Rate: 90%
AI/ML
Enterprise Software
Consumer Tech
Fintech
Healthcare
Developer Tools
World-class mentor network
Weekly group office hours
Dedicated batch partners
Alumni network access
Demo Day exposure
Post-program support
Website: ycombinator.com
500 Startups is a global venture capital firm with a strong focus on early-stage investments and accelerator programs.
Location: San Francisco, CaliforniaFounded: 2010Founders: Dave McClure, Christine TsaiProgram Type: Hybrid (Online/On-site)Contact: admissions@500.co Application Page: 500.co/accelerator
Investment Terms: $150K for 6% equityProgram Length: 4 monthsBatch Size: 40+ companiesApplication Deadlines: Rolling basis
Total Investments: 2,500+Notable Alumni: Credit Karma, Canva, GrabTotal Exits: 100+Unicorns Created: 35+Diversity Investments: 514 companiesSuccess Rate: 85%
Artificial Intelligence
SaaS Solutions
FinTech
Digital Health
Enterprise Software
Consumer Tech
Global mentor network
Corporate partnerships
Investor networking events
Growth marketing support
International expansion help
Post-program support
Website: 500.co
Leading innovation platform connecting startups with major corporations through their accelerator programs and corporate partnerships.
Investment Terms: $100K-$500KProgram Length: 3 monthsBatch Size: 20-30 companies per verticalApplication Deadlines: Multiple batches per year
Total Investments: 2000+Notable Alumni: PayPal, Dropbox, LendingClubCorporate Partners: 500+Portfolio Exits: 80+Diversity Investments: 200+Success Rate: 75%
FinTech
Internet of Things (IoT)
Digital Health
InsurTech
Supply Chain
Sustainability
Smart Cities
Corporate matchmaking
Dedicated industry experts
Global innovation platform
Investment support
International expansion
Corporate pilot programs
Website: plugandplaytechcenter.com
Stanford-affiliated non-profit accelerator known for deep tech and biotech startups.
Investment Terms: No equity takenProgram Length: 6 monthsBatch Size: 30+ companiesApplication Deadlines: Three times per year
Portfolio Value: $25B+Companies Funded: 700+Notable Alumni: Lime, Patreon, Kodiak RoboticsDiversity Investments: 150+Success Rate: 88%
Deep Tech
Healthcare/Biotech
Enterprise Software
AI/ML
Robotics
Clean Tech
Stanford faculty mentorship
Research facilities access
Industry partnerships
Founder community
Investor introductions
Technical resources
Website: startx.com
Enterprise-focused accelerator backed by Cisco, Siemens, and other corporate partners.
Investment Terms: $36K for 5% equityProgram Length: 6 monthsBatch Size: 25+ companiesApplication Deadlines: Quarterly
Portfolio Companies: 500+Notable Alumni: LaunchDarkly, Rigetti ComputingAverage Seed Round: $2M+Diversity Investments: 109Success Rate: 82%
Enterprise Software
B2B Solutions
SaaS Platforms
AI/ML
IoT
Industrial Tech
Corporate partnerships
Enterprise customer access
Technical mentorship
Sales strategy support
Fundraising preparation
Go-to-market guidance
Website: alchemistaccelerator.com
Prestigious accelerator focused on network effect businesses.
Location: San Francisco, CaliforniaFounded: 2013Founders: James Currier, Pete Flint, Gigi Levy-WeissProgram Type: HybridContact: founders@nfx.com Application Page: nfx.com/apply
Investment Terms: $2M investmentProgram Length: 5 monthsBatch Size: 15-20 companiesApplication Deadlines: Rolling basis
Portfolio Value: $10B+Companies Funded: 150+Notable Alumni: Lyft, Doordash, PatreonDiversity Investments: 80+Success Rate: 90%
Network Effect Businesses
Marketplaces
FinTech
PropTech
BioTech
AI/ML Platforms
Expert network access
Growth strategy
Network effect playbooks
Fundraising support
Technical resources
Go-to-market guidance
Website: nfx.com
Part of the global Techstars network, focusing on Bay Area innovation.
Location: San Francisco, CaliforniaFounded: 2006Founders: David Cohen, David Brown, Brad Feld, Jared PolisProgram Type: On-SiteContact: sf@techstars.com Application Page: techstars.com/apply
Investment Terms: $120K ($20K for 6% + $100K convertible note)Program Length: 3 monthsBatch Size: 12-15 companiesApplication Deadlines: Twice yearly
Portfolio Companies: 300+Notable Alumni: SendGrid, DigitalOceanTotal Funding Raised: $2B+Diversity Investments: 100+Success Rate: 85%
Artificial Intelligence/ML
SaaS Solutions
Consumer Technology
Enterprise Software
Deep Tech
FinTech
Global mentor network
Investor connections
Technical resources
Marketing support
Fundraising preparation
Lifetime network access
Website: techstars.com/accelerators/san-francisco
Hardware and deep tech focused accelerator with split program between SF and Shenzhen.
Location: San Francisco, CA & Shenzhen, ChinaFounded: 2011Founders: Cyril Ebersweiler, Sean O'SullivanProgram Type: On-SiteContact: apply@hax.co Application Page: hax.co/apply
Investment Terms: $250K for 9% equityProgram Length: 6 monthsBatch Size: 15-20 companiesApplication Deadlines: Rolling basis
Companies Launched: 250+Notable Alumni: Particle, NotCoPatents Filed: 1000+Diversity Investments: 70Success Rate: 75%
Hardware Development
IoT Solutions
Robotics
Advanced Manufacturing
Consumer Electronics
Industrial Tech
Prototyping facilities
Manufacturing expertise
Supply chain access
Hardware mentorship
Patent strategy
Market entry support
Website: hax.co
International accelerator with strong focus on AI and deep tech.
Investment Terms: Varies ($50K-$500K)Program Length: 3 monthsBatch Size: 20-30 companiesApplication Deadlines: Monthly rolling
Portfolio Companies: 1000+Notable Alumni: Grab, Lily RoboticsGlobal Partners: 50+Diversity Investments: 90+Success Rate: 80%
Artificial Intelligence
Blockchain Technology
Deep Tech
Enterprise Solutions
Consumer Tech
Digital Health
Global network access
Corporate partnerships
Technical mentorship
Market entry support
Fundraising guidance
International expansion
Website: foundersspace.com
UC Berkeley's premier accelerator program combining academic and industry expertise.
Investment Terms: $200K for 5% equityProgram Length: 6 monthsBatch Size: 20-25 companiesApplication Deadlines: Twice yearly
Research Integration: 100+ facultyNotable Alumni: Xendit, SymbioFollow-on Funding: $1.7B+Diversity Investments: 75+Success Rate: 85%
Deep Technology
Life Sciences
Artificial Intelligence
Clean Tech
Advanced Materials
Digital Health
UC Berkeley faculty access
Research facilities
Industry partnerships
Investor connections
Technical mentorship
IP strategy support
Website: skydeck.berkeley.edu
Pioneer in crypto and sci-fi tech investments, known for backing moonshot ideas.
Location: San Mateo, CaliforniaFounded: 2012Founders: Adam Draper, Brayton WilliamsProgram Type: HybridContact: team@boost.vc Application Page: boost.vc/apply
Investment Terms: $500K for 7-15% equityProgram Length: 3 monthsBatch Size: 15-20 companiesApplication Deadlines: Quarterly
Portfolio Value: $7B+Companies Funded: 300+Notable Alumni: Etherscan, CoinbaseDiversity Investments: 60+Success Rate: 78%
Cryptocurrency/Blockchain
Space Technology
Metaverse/VR/AR
Quantum Computing
Science Fiction Tech
Web3 Infrastructure
Crypto ecosystem access
Technical mentorship
Investor network
Token economics
Go-to-market strategy
Community building
Website: boost.vc
Leading B2B SaaS accelerator and venture studio with a decade of experience building successful companies.
Investment Terms: Varies by programProgram Length: Varies by programBatch Size: 15-20 companies per cohortApplication Deadlines: Quarterly
Companies Funded: 430+Founder Community: 1300+Follow-on Funding: $1B+Diversity Investments: 80+Success Rate: 85%
B2B SaaS
AI-First Ventures
Enterprise Software
Developer Tools
Vertical SaaS
Cloud Infrastructure
AI Studio program
Go-to-market strategy
Enterprise sales support
Product development
Founder community
Investor network
AI Studio: Building AI-first ventures
Accelerator: Early go-to-market support
Pre-seed Fund: Hands-on investment support
Website: forumvc.com
Revolutionary biotech accelerator transforming science into ventures.
Location: San Francisco, CaliforniaFounded: 2014Founders: Arvind Gupta, Ryan BethencourtProgram Type: On-SiteContact: info@indiebio.co Application Page: indiebio.co/apply
Investment Terms: $525K for 11% equityProgram Length: 4 monthsBatch Size: 15 companiesApplication Deadlines: Twice yearly
Total Funding Raised: $5B+Notable Alumni: Memphis Meats, NotCoPatents Generated: 500+Diversity Investments: 110Success Rate: 80%
Biotechnology
Synthetic Biology
Cell Agriculture
Regenerative Medicine
Clean Tech
Healthcare Innovation
Lab space access
Scientific mentorship
Regulatory guidance
IP strategy
Industry partnerships
Research support
Website: indiebio.co
World's largest pre-seed startup accelerator with strong SF presence.
Location: San Francisco, CaliforniaFounded: 2009Founders: Adeo Ressi, Jonathan GreechanProgram Type: OnlineContact: support@fi.co Application Page: fi.co/join
Investment Terms: Revenue share agreementProgram Length: 4 monthsBatch Size: Varies by locationApplication Deadlines: Rolling admissions
Global Graduates: 6000+Notable Alumni: Udemy, RoverTotal Funding Raised: $1.75BDiversity Investments: 150+Success Rate: 75%
All Technology Sectors
Software & Services
Consumer Products
Enterprise Solutions
Digital Health
Emerging Technologies
Global mentor network
Structured curriculum
Founder community
Local chapter support
Investor connections
Post-program resources
Website: fi.co
HardTech venture capital fund focused on semiconductor and hardware innovation.
Location: San Francisco, CaliforniaFounded: 2012Founders: Corey Ford, Jake ShapiroProgram Type: HybridContact: info@matter.vc Application Page: matter.vc/apply
Investment Terms: $125K for 7% equityProgram Length: 5 monthsBatch Size: 8-12 companiesApplication Deadlines: Twice yearly
Fund Size: $300M+Portfolio Companies: 150+Notable Alumni: LightforceDiversity Investments: 40+Success Rate: 75%
Hardware Technology
Semiconductor Design
Advanced Manufacturing
IoT Solutions
Industrial Tech
Clean Energy Hardware
Manufacturing expertise
Technical mentorship
Corporate partnerships
TSMC collaboration
Hardware prototyping
Supply chain support
Website: mattervp.com
Future-focused accelerator specializing in exponential technologies.
Investment Terms: $100K for 5% equityProgram Length: 3 monthsBatch Size: 10-15 companiesApplication Deadlines: Three times per year
Technology Patents: 300+Notable Alumni: Diamond Age, Voxel8Global Impact: 100+ countriesDiversity Investments: 50+Success Rate: 78%
Artificial Intelligence
Robotics & Automation
Space Technology
Quantum Computing
Climate Tech
Digital Biology
Research partnerships
Global network access
Technology validation
Expert mentorship
Corporate connections
Innovation labs access
Website: su.org/ventures
Remote-first accelerator with strong SF presence.
Investment Terms: No upfront investmentProgram Length: 6 monthsBatch Size: 50+ companiesApplication Deadlines: Monthly rolling
Companies Accelerated: 2000+Notable Alumni: Stateless, PopComTotal Funding Raised: $450M+Diversity Investments: 45+Success Rate: 72%
Technology
Consumer Products
Healthcare Innovation
FinTech
Enterprise Software
Sustainability
Online curriculum
Investor matching
Pitch preparation
Growth strategy
Fundraising support
Global network
Website: newchip.com
Healthcare-focused accelerator partnering with UCSF and leading medical institutions.
Investment Terms: $150K for 7% equityProgram Length: 6 monthsBatch Size: 10-12 companiesApplication Deadlines: Quarterly
Clinical Partnerships: 75+Notable Alumni: Carbon Health, ForwardFDA Approvals: 25+Patient Impact: 1M+Success Rate: 80%
Digital Health
Biotechnology
Medical Devices
Healthcare AI
Remote Patient Monitoring
Clinical Decision Support
Clinical partnerships
Regulatory guidance
UCSF collaboration
Medical expertise
Clinical validation
Market access support
Website: healthhubsf.org
Deep tech accelerator specializing in quantum computing and advanced technologies.
Investment Terms: $300K for 8% equityProgram Length: 6 monthsBatch Size: 5-8 companiesApplication Deadlines: Twice yearly
Research Collaborations: 30+Notable Alumni: QC Ware, RigettiPatents Filed: 200+Academic Partnerships: 25+Success Rate: 75%
Quantum Computing
Artificial Intelligence
Advanced Materials
Quantum Sensors
Quantum Communications
Quantum Software
Research facilities
Technical expertise
Patent strategy
Enterprise connections
Academic partnerships
Quantum lab access
Website: quantumleap.vc
The go-to ecosystem for AI startups impacting the world through cloud-based AI innovation.
Investment Terms: $400K for 9% equityProgram Length: 5 monthsBatch Size: 12-15 companiesApplication Deadlines: Quarterly
AI Categories: 15+Global Reach: 32+ countriesIndustries Served: 124+Diversity Investments: 55+Success Rate: 85%
Machine Vision
Speech Recognition
Machine Learning
Expert Systems
Natural Language Processing
Robotics & Autonomous Vehicles
Cloud infrastructure
AI model optimization
Technical mentorship
Dataset access
Enterprise partnerships
Deployment support
Website: aiventurelabs.com/home
The startup accelerator made by top accelerators, global brands and VCs, offering a rigorous and delocalized acceleration experience.
Investment Terms: Up to €100K equity freeProgram Length: 5 monthsBatch Size: 20-25 companiesApplication Deadlines: Three times per year
Programs Across Regions: 10+Notable Alumni: Multiple successful European startupsCorporate Partners: 50+Diversity Investments: 70+Success Rate: 80%
Sustainable Mobility
Connected Vehicles
Robotics & Automation
Digital Innovation
Smart Cities
Clean Technology
Intensive mentoring (40+ hours)
Global network access
Corporate partnerships
Funding opportunities
Innovation programs
International expansion
Website: impact-accelerator.com
Demo Day is crucial for securing follow-on funding. Here's how to maximize your success:
Perfect your pitch
Craft a compelling narrative
Focus on traction and growth metrics
Clearly articulate your competitive advantage
Prepare your materials
Practice and refine
Rehearse with mentors and peers
Record and analyze your presentation
Prepare for common investor questions
Monitor accelerator partner engagement with your application materials:
Get notified when partners review your deck
Track engagement metrics
Follow up strategically
Protect sensitive information
Share your pitch deck securely
San Francisco's accelerators and incubators remain the world's premier launchpad for ambitious startups. With acceptance rates as low as 1-2%, thorough preparation is crucial. Choose a program that aligns with your startup's stage and goals, prepare a compelling pitch, and use secure sharing tools to protect your IP during applications.
Remember: The right accelerator can dramatically accelerate your startup's growth - but only if you're ready to make the most of it.
Start sharing your pitch deck
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