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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. 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
    • 13.2k employees
    • Founded 2002
  2. 2
    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
    • 11.8k employees
    • Founded 2011
  3. 3
    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
    • 11.6k employees
    • Founded 2014
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  5. 4
    X
    • Series unknown
    • 11.4k employees
    • Founded 2006
  6. 5
    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
    • 9.9k employees
    • Founded 2012

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 291 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: Sat, 15 Aug 2026 12:43:08 GMT

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Common questions

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: Sat, 15 Aug 2026 12:43:08 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 291 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.

Can I find the people inside these companies?

Yes. Ask in plain English - for example "engineering leaders at these companies who joined in the last year" - and I return the specific people, with context on each.

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