Funding Received
$25.7 Million in 4 Rounds from 17 Investors
Most Recent Funding
$12.5 Million Series C on September 17, 2014
San Francisco, CA
CrowdFlower is a data enrichment platform that allows data scientists to collect, clean and label data at scale.
Lukas Biewald, Chris Van Pelt
Cloud Data Services, Crowdsourcing, Enterprise Software

Company Details


CrowdFlower is the leading data enrichment platform for data scientists. Their quality-control technology is the most accurate and fastest way to collect, label, and clean data from an on-demand workforce. They call this people powered data enrichment.

The CrowdFlower platform automates the management of the online workforce to tackle tasks that require human intelligence like: - Search relevance tuning - Data categorization - Image annotation - Metadata creation - Sentiment analysis - Transcription - De-duplication

By accessing over 5 million on-demand contributors, CrowdFlower is the smarter and better way to tackle large quantities of repetitive work. When compared to alternatives like outsourcing or managing interns, CrowdFlower eliminates the lead time and overhead of traditional hiring, managing staff or outsourcing to save OPEX and avoid lost revenue.

Their primary goal is to ensure results are of the highest quality. Quality assurance can be time consuming and delays getting the final results wanted. CrowdFlower has the industry's best quality control mechanisms and they track everything from contributor response velocity to answer distribution. CrowdFlower assigns every unit of completed work a confidence score to ensure the work completed has only been done by trusted and proven contributors.

Companies of all sizes have seen impressive results with CrowdFlower and include LinkedIn, Intuit, Delectable, The Home Depot, Yahoo!, Edelman and ebay.

Founded in 2009, CrowdFlower is backed by Trinity Ventures and Bessemer Venture Partners.

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Current Team (24)


Past Team (53)


Board Members and Advisors (4)


Investors (17)

  • 81b2557b5c3f907d8fcb0c3626308372

    Canvas Venture Fund

    Menlo Park-based venture capital firm focused on making early-stage investments in technology...
  • Mudlhs9edzigneh0cmeu

    Bessemer Venture Partners

    Bessemer Venture Partners has over 100 years of investing experience, with a portfolio ranging...
  • 1e8bda16e64c8d444d8cb9dd381f8dc1

    Trinity Ventures

    Founded in 1986, Trinity Ventures is an early stage venture capital firm.
  • 646950dfbc82b048075fa623a57def19

    K9 Ventures

    Seed-stage Venture Fund
  • 29c976c639e6001e9d1a7e66bdbaafa7

    Harmony Partners

    Flexible Growth Capital
  • 61a160be1306d7cdaa8ae3a69a178e84

    Quest Venture Partners

    Quest Venture Partners is an early stage venture capital firm located in Menlo Park, CA. They...
  • Gv7dzg4qkiqeasusbd0s

    Felicis Ventures

    Felicis Ventures is a boutique venture capital firm based in Silicon Valley
  • A0e5d6f32d9cbd2df585c08a47263f5e

    Founders Fund

    Founders Fund is a venture capital firm investing at every stage in companies with revolutionary...

Offices/Locations (1)

  • Headquarters

    2111 Mission Street

    Suite 302

    San Francisco, CA 94110


Competitors (2)

  • 63b3b339cd554432a0ddb8d799819971


    CloudCrowd is an online workforce platform distributing scheduled tasks for individuals to make...
  • 90592f7881f3dcf89982e22e3599ef5f


    oDesk is an online workplace that enables businesses to find, hire, manage and pay professionals...

Images (3)

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