Companies funded by Spark Capital

Boston- and NYC-based firm with a strong consumer and creator-economy footprint.

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Ranked by current headcount across companies in Spark Capital's disclosed portfolio. Refreshed monthly.

1
Wayfair· Boston, Massachusetts, United States
Wayfair is the destination for all things home: helping everyone, anywhere create their feeling of home. From expert customer service, to the development of tools that make the shopping process easier, to carrying one of the widest and deepest selections of items for every space, style, and budget, Wayfair gives everyone the power to create spaces that are just right for them.
- Post-IPO debt
- 16.5k employees
- Founded 2002
2
Handshake· San Francisco, California, United States
Handshake is the career network for the AI economy. 20 million knowledge workers, 1,600 educational institutions, 1 million employers (including 100% of the Fortune 500), and every foundational AI lab trust Handshake to power career discovery, hiring, and upskilling, from freelance AI training gigs to first internships to full-time careers and beyond.
- Series unknown
- 11.9k employees
- Founded 2014
3
Rover.com· Seattle, Washington, United States
At Rover, everyone has ownership of their work and the opportunity to make a true impact. We believe that being diverse and inclusive is key to our success and encourage every employee to share their unique perspective while being their true self. We believe everyone deserves the unconditional love of a pet, and Rover exists to make it easier to experience that love. We’re supporting dog owners and empowering dog sitters to run thriving pet-care businesses in your neighborhoods. The Rover app and website connect dog and cat parents with loving pet sitters and dog walkers in neighborhoods across the US, Canada, and Europe.
- Post-IPO equity
- 11.9k employees
- Founded 2011
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4
Carta· San Francisco, California, United States
Carta powers interconnectivity in private markets — uniting data, people, and workflows in one connected system.We connect founders, investors, and limited partners through software purpose-built for private capital. Trusted by 50,000+ companies in 160+ countries, Carta’s platform of software and services lays the groundwork so you can build, invest, and scale with confidence.Carta’s Fund Administration platform supports 8,500+ funds and SPVs, representing nearly $185B in assets under management, with tools designed to enhance the strategic impact of fund CFOs. Carta has been included on the Fortune Best Large Workplaces in Financial Services and Insurance and Best Workplaces in the Bay Area lists, Forbes’ list of the World's Best Cloud Companies, Fast Company's Most Innovative list, Inc.'s Fastest-Growing Private Companies list, and is certified as a Great Place to Work for 2025-2026 (3 years running!). For more information, visit carta.com.
- Series unknown
- 11.7k employees
- Founded 2012
5
X
- Series unknown
- 11.1k employees
- Founded 2006

6
Medium· San Francisco, California, United States
At Medium, we believe in the power of words — and we’re on a mission to bring the world’s expertise to life through memorable storytelling. Our platform rewards great writing and puts power back in the hands of readers. Medium’s subscription model means we rely on our members, not ads. We’re looking for teammates who are inspired by our mission, who are deeply thoughtful and empathetic, and who are passionate about the future of online publishing. Sound like you? Keep reading!
- Series unknown
- 9.8k employees
- Founded 2011
7
Anduril Industries· Orange County, California, United States
Anduril is not a traditional defense contractor. We are shaping the future of defense, transforming US & allied military capabilities with advanced technology. We emphasize speed and results and control our products from start to finish, including funding R&D to selling finished products off the shelf. Today, Anduril is in a rapid growth phase, deploying technology in diverse locations and developing path-making products that will change defense forever. We believe that everyone at Anduril can be a catalyst. Your perspective can change lives, and we want to help you make your mark. Our team includes thinkers and doers working interdependently. We bring the brightest minds and best-in-class talent together with veterans who have lived the problems of our warfighters.If you like building quickly and seeing your work deployed in the real world, we want you at Anduril. With offices in Orange County, Washington DC, Seattle, Boston, Atlanta, London, and Sydney, our reach is wide. Check out our careers page at https://www.anduril.com/careers or send us an email at careers@anduril.com.
- Series H
- 9.7k employees
- Founded 2017
8
Deel· San Francisco, California, United States
Deel is one platform for payroll, HR, benefits, mobility, performance, and device management across 150+ countries. Built on owned infrastructure, powered by AI, and supported by thousands of local experts, Deel helps businesses scale smarter, faster, and more compliantly. Trusted by 40,000+ customers, and created to become a global brand people love. Learn more at deel.com.
- Series E
- 9.7k employees
- Founded 2019
9
Snap Inc.· Santa Monica, California, United States
Snap is a technology company. We believe the camera presents the greatest opportunity to improve the way people live and communicate. Snap contributes to human progress by empowering people to express themselves, live in the moment, learn about the world, and have fun together. The Company’s three core products are Snapchat, a visual messaging app that enhances your relationships with friends, family, and the world; Lens Studio, an augmented reality platform that powers AR across Snapchat and other services; and its AR glasses, Spectacles.
- Post-IPO debt
- 8.1k employees
- Founded 2011
10
Ramp· New York, New York, United States
Ramp is an all-in-one financial operations platform designed to save businesses time and money. Combining corporate cards, expense management, bill payments, accounting automation, procurement, travel, treasury, and more, Ramp empowers finance teams to do their best work. More than 70,000 companies, from family-owned farms to space startups, have saved $10B and 27.5M hours with Ramp since its founding in 2019.Investors include Founders Fund, Thrive Capital, Khosla Ventures, Sequoia, Greylock, Stripe, Goldman Sachs, Coatue, and Redpoint, as well as over 100 angel investors who were founders or executives of leading companies. The Ramp team comprises talented leaders from leading financial services and fintech companies—Stripe, Affirm, Goldman Sachs, American Express, Mastercard, Visa, Capital One—as well as technology companies such as Meta, Uber, Netflix, Twitter, Dropbox, and Instacart.Ramp has been named to Fast Company's Most Innovative Companies list and LinkedIn's Top U.S. Startups for over 3 years, as well as the Forbes Cloud 100, CNBC Disruptor 50, and TIME Magazine's 100 Most Influential Companies.Visit our website for a full list of US state licenses & disclosures: https://ramp.com/legal/state-disclosures
- Series unknown
- 7.5k employees
- Founded 2019

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Find engineers and founders in Spark Capital’s portfolio

Spark Capital’s portfolio is a curated bet on the next wave of category-defining companies. The list above ranks Spark Capital-backed companies by current headcount, drawn from public LinkedIn and Crunchbase records. With 304 matching companies in Refolk’s index, the depth of senior engineers, founders, and operators is significant.

Spark Capital’s companies tend to share a profile - strong technical founders, fresh capital, and access to the Spark Capital network. Hiring from these companies often means hiring from one of the most curated talent pools in tech.

Refolk turns this list into a search. Ask for “Spark Capital portfolio companies hiring senior ML engineers” or “founders of Spark Capital-backed companies who left in the last year” and Refolk returns a fresh ranked shortlist.

How this list is built

Refolk pulled companies whose disclosed Crunchbase investor list includes Spark Capital, ranked them by current employee count, and kept those with at least 5 employees. The list refreshes monthly.

Last refreshed: Fri, 16 Oct 2026 19:07:57 GMT

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How is this ranking built?

The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

How fresh is the data?

The underlying index updates continuously and this ranking is rebuilt monthly. Last refreshed: Fri, 16 Oct 2026 19:07:57 GMT. For a list built against the index as it stands today, sign up and run the search live.

Can I get the full list of 304 companies?

Yes. This page shows the top of the ranking; sign up and I'll run the search live for the complete, current list. You start with 500 free credits, no card required.

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