Top Data Annotation Services in California
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Featured
What are Featured Providers?
UndisclosedUndisclosed1,000 - 9,999Serves CaliforniaServices provided
See all 37 projectsMindy Support is a data annotation company specializing in services such as ML Data Annotation and Data Tagging Services. The company consistently receives positive feedback, with clients noting their ability to deliver projects on time and at a reasonable cost. Approximately 80% of reviewers highlight their responsiveness and flexibility as key strengths.
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$1,000+< $25 / hr50 - 249San Diego, CA
Services provided
See all 84 projectsTask Virtual is a versatile virtual assistance and support company, providing services such as customer service, administrative support, data processing, SEO, and B2B lead generation. Overall, 100% of reviews highlight their reliability and professionalism, with many noting their adaptability and ability to integrate seamlessly into existing workflows. Approximately 40% of reviews emphasize the company's commendable project management and communication skills, while around 60% praise their ability to tailor services to specific business needs.
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$1,000+< $25 / hr50 - 249Los Angeles, CA
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See all 9 projectsWexpand is an HR and recruitment agency specializing in sourcing, hiring, and managing high-quality talent across diverse industries. The company consistently receives positive feedback, with over 90% of reviews highlighting their efficient processes, cost-effectiveness, and excellent communication. Clients frequently commend Wexpand's ability to deliver tailored recruitment solutions and achieve impressive results, such as a 300%–400% increase in employee satisfaction.
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UndisclosedUndisclosed50 - 249San Francisco, CA
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See all 32 projectsSecond Talent is a talent acquisition firm specializing in IT and AI recruitment, offering services such as end-to-end recruitment, IT staff augmentation, and employer of record support. Their reviews highlight a 100% success rate in fulfilling client hiring needs, with 100% of reviewers praising their ability to provide high-quality, AI-native talent quickly and efficiently. Clients appreciated their seamless communication and proactive project management, though some suggested improvements in providing more detailed candidate profiles upfront.
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$100,000+$300+ / hr10,000+San Francisco, CA
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Established in 1999, SalesForsaas is a Data Annotation Services company. Their services include Data Annotation Services and CRM consulting and SI.
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$10,000+$100 - $149 / hr50 - 249Covina, CA
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Data Annotation Services company INFOTANKS MEDIA is based in Covina, California. They provide Data Annotation Services and Digital Strategy.
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$1,000+$50 - $99 / hr10 - 49Costa Mesa, CA
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AI development company OpenDrawing focuses on Artificial Intelligence and Data Annotation Services. They were established in 2024.
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UndisclosedUndisclosed50 - 249San Francisco, CA
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Labelbox, a Data Annotation Services company, was launched in 2018. The team focuses on Data Annotation Services and Artificial Intelligence.
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$10,000+$50 - $99 / hr2 - 9Glendale, CA
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In Glendale, California, DBVON Data Solutions is a small big data analytics company. The team focuses on BI & big data consulting & SI and Data Annotation Services.
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$50,000+Undisclosed10 - 49Carlsbad, CA
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Big Data Rhino is an artificial intelligence firm. The Carlsbad, California-based company specializes in Artificial Intelligence and AI Agents.
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$1,000+Undisclosed10 - 49Palo Alto, CA
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Dataplatr is a big data company. They are located in Palo Alto, California and have small team of experts. Their services include BI & big data consulting & SI and AI Consulting.
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UndisclosedUndisclosed10 - 49Irvine, CA
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Based in Irvine, California, BasicAI Inc is a small Data Annotation Services company. The team offers Data Annotation Services and Artificial Intelligence.
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UndisclosedUndisclosed2 - 9San Francisco, CA
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Located in San Francisco, California and New York City, New York, Pantima Inc. Is a small Data Annotation Services company. Their services include Data Annotation Services and Artificial
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UndisclosedUndisclosed50 - 249San Francisco, CA
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Clarifai, Inc., an AI firm, is based in San Francisco, California. Their services include Artificial Intelligence and Content Moderation Services.
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$50,000+$25 - $49 / hr50 - 249Palo Alto, CA
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OpenCV.ai is an AI firm. The company is based in Palo Alto, California. Their services include Artificial Intelligence and AI Consulting.
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$5,000+< $25 / hr1,000 - 9,999Santa Clara, CA
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See all 2 projectsHitech BPO, established in 1992, is a leading business process outsourcing company. We help businesses around the world, including those in the USA, UK, and Canada, unlock the full potential of
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UndisclosedUndisclosed250 - 999San Francisco, CA
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DataForce is an artificial intelligence development company. Founded in 2012, the team focuses on Artificial Intelligence and Data Annotation Services.
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UndisclosedUndisclosed10 - 49San Francisco, CA
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Founded in 2017, Stardust AI is a Data Annotation Services company. Their team focuses on Data Annotation Services and Artificial Intelligence.
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$1,000+< $25 / hr250 - 999Laguna Beach, CA
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See all 1 projectsData-Entry-India.com offers a range of data enrichment services, including identifying and eliminating duplicate entries, updating invalid emails, and digitizing paper forms. Reviews highlight the company's responsiveness, professionalism, and ability to deliver accurate, timely results. Clients appreciate their attention to detail and proactive communication, making them a reliable partner for data-related projects.
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$1,000+$25 - $49 / hr250 - 999Laguna Beach, CA
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SunTec.ai is a Data Annotation Services company. They focus on Data Annotation Services and Generative AI and were launched in 1999.
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List of the Top 1 California Data Annotation Companies
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UndisclosedUndisclosed50 - 249San Francisco, CA
Ability to deliver
23.6/40.017.8/20 Reviews0/10 Clients & Experience5.8/10 Market PresenceService focus
10% Data Annotation Services90% Other -
$100,000+$300+ / hr10,000+San Francisco, CA
Ability to deliver
4/40.00/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
30% Data Annotation Services70% Other -
$10,000+$100 - $149 / hr50 - 249Covina, CA
Ability to deliver
5.3/40.00/20 Reviews0/10 Clients & Experience5.3/10 Market PresenceService focus
30% Data Annotation Services70% Other -
$1,000+$50 - $99 / hr10 - 49Costa Mesa, CA
Ability to deliver
4.6/40.00/20 Reviews0/10 Clients & Experience4.6/10 Market PresenceService focus
20% Data Annotation Services80% Other -
UndisclosedUndisclosed50 - 249San Francisco, CA
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
60% Data Annotation Services40% Other -
$10,000+$50 - $99 / hr2 - 9Glendale, CA
Ability to deliver
4.6/40.00/20 Reviews0/10 Clients & Experience4.6/10 Market PresenceService focus
20% Data Annotation Services80% Other -
$50,000+Undisclosed10 - 49Carlsbad, CA
Ability to deliver
4/40.00/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
20% Data Annotation Services80% Other -
$1,000+Undisclosed10 - 49Palo Alto, CA
Ability to deliver
4.9/40.00/20 Reviews0/10 Clients & Experience4.9/10 Market PresenceService focus
10% Data Annotation Services90% Other -
UndisclosedUndisclosed10 - 49Irvine, CA
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
60% Data Annotation Services40% Other -
UndisclosedUndisclosed2 - 9San Francisco, CA
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
60% Data Annotation Services40% Other -
$1,000+< $25 / hr50 - 249Los Angeles, CA
Ability to deliver
31.6/40.016.4/20 Reviews9.9/10 Clients & Experience5.3/10 Market PresenceService focus
10% Data Annotation Services90% Other -
UndisclosedUndisclosed50 - 249San Francisco, CA
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
20% Data Annotation Services80% Other -
$50,000+$25 - $49 / hr50 - 249Palo Alto, CA
Ability to deliver
6.5/40.00/20 Reviews0.1/10 Clients & Experience6.4/10 Market PresenceService focus
10% Data Annotation Services90% Other -
$5,000+< $25 / hr1,000 - 9,999Santa Clara, CA
Ability to deliver
7.1/40.00/20 Reviews0/10 Clients & Experience7.1/10 Market PresenceService focus
50% Data Annotation Services50% Other -
UndisclosedUndisclosed250 - 999San Francisco, CA
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
40% Data Annotation Services60% Other -
$1,000+< $25 / hr50 - 249San Diego, CA
Ability to deliver
28.8/40.018.2/20 Reviews2.2/10 Clients & Experience8.3/10 Market PresenceService focus
10% Data Annotation Services90% Other