High-quality data is the foundation of credible marketing research, yet it is increasingly difficult to achieve amid survey fatigue, automated responses, fragmented audiences and rising privacy expectations. As organizations make faster, higher-stakes decisions, the consequences of poor data quality – misguided strategy, wasted investment and diminished confidence in insights – have become more pronounced.
For corporate and end-client researchers, prioritizing data quality is a strategic advantage, not a theoretical exercise. Partners that invest in strong quality controls and methodological discipline deliver insights that are defensible, actionable and trusted by stakeholders. The companies listed here place a deliberate emphasis on data quality as part of their research approach. For researchers evaluating potential partners, this focus can provide a useful starting point for identifying organizations aligned with rigorous, transparent research standards.
Azurite Consulting
Founded 2017
Eli Diament, Founder and Managing Director
Azurite Consulting reimagines data quality by rejecting the “recycled respondent” status quo. Traditional panels and multisource models often deliver flawed data from static databases; Azurite recruits fresh, verified professionals directly from your target market via our proprietary human-led, tech-enabled methodology (never tapping panels or expert networks). This ensures zero participant recycling and eliminates data degradation. We deliver boardroom-ready intelligence when the margin for error is zero. Through collaborative design and live iteration, we capture the dynamics that matter most. Top enterprises, PE firms and investment banks trust Azurite to deliver the industry-leading data quality required for true high-stakes decisions.
Phone 1-732-606-5799
azuriteconsulting.com
Cint
Founded 1998 | 800+ employees
Patrick Comer, CEO
Cint is a global leader in research and measurement technology connecting brands, researchers, academics or anyone with a question to a network of over 800 suppliers representing millions of engaged respondents in 130+ countries. The Cint Exchange empowers users to gather insights at scale to build business strategies, develop research-enabled solutions, publish credible research and more. Lucid Measurement by Cint, our advanced set of media measurement solutions, gives advertisers, media owners and agencies the tools to measure the effectiveness and brand lift of cross-channel advertising campaigns in real time to optimize media performance while campaigns are running. Both products use Cint’s audience monetization tools to enable panel providers, mobile apps, loyalty programs and other online communities to monetize their audiences by matching them to survey opportunities. At Cint, we’re feeding the world’s curiosity.
Phone 1-212-204-2733
cint.com/qualitydata
Decision Analyst
Founded 1978 | 100 employees
Bonnie Janzen, President
Felicia Rogers, Executive Vice President
At Decision Analyst, helping clients with complex marketing problems starts by asking the right questions and ensuring high-quality data. We are committed to the highest standards of professionalism, accuracy and precision. In addition to providing the highest-quality respondents available, we monitor data quality throughout each step of every research engagement. Sleuth™ is a proprietary system that combines industry-leading fraud detection tools and methods, digital fingerprinting, algorithms and a human element to review all survey data. In addition to building our own panels for more than 30 years, we aggregate and vet other sources. We apply our quality standards to all of our quantitative and qualitative projects. Social media and behavioral data is included, when possible, to provide a more comprehensive story. Decision Analyst is committed to the highest quality standards and maintains certification in ISO/IEC 27001:2022.
Phone 1-817-640-6166
www.decisionanalyst.com/marketingresearch
ENOS
Founded 2022 | 15 employees
Jason Freeman, Founder/CEO
Rhett Babcock, CRO
ENOS challenges traditional panel models by focusing on two interdependent pillars: panelist appreciation and precision targeting. We treat the health care professional (HCP) fairly by offering unique advantages like immediate cash payment upon study completion and compensation for termination after screening, acknowledging their time and preventing attrition. This appreciation is paired with quality-driven targeting where we strictly enforce precise sampling to the exact specialty required, never oversampling, which drastically reduces respondent fatigue and maximizes budget efficiency. This methodology drives deep panel loyalty, evident in constant peer referrals and high reliability metrics – we see less than 1% removals from active studies and qualitative recruits show up 99% of the time. This combined effect ensures a highly responsive, low-attrition and high-quality panel that translates directly into superior results for your market research.
Email jason@enos.com
Phone 1-208-403-5707
www.enos.com
Full Circle Research
Founded 2013 | 30 employees
Adam Weinstein and Nate Lynch, Co-CEOs
Named Panel Company of the Year by The Marketing Research and Insight Excellence Awards (powered by Quirk’s) and certified to ISO since 2014, Full Circle Research leads the industry in online data quality. A co-founder of the #QualityForAll global ISO awareness campaign and fully GDPR-compliant, Full Circle continues to push boundaries in sample excellence. The company’s patented fraud-prevention technologies, including HoNoR® and Watchdog®, ensure immediate access to the highest-quality data and its InstaConnect® programmatic solution captures hard-to-reach audiences with precision and accuracy. A seven-time Inc. 5000 Fastest-Growing Company and recipient of multiple workplace awards (including Inc. 2025 Best Workplaces), Full Circle is known for its consultative, client-first approach and industry-leading innovations.
Phone 1-877-543-7126
www.FullCircleResearch.com
Harmon Research
Founded 2009 | 125 employees
Stephanie Vincent, Executive Vice President
Harmon Research specializes in delivering high-quality qualitative and quantitative insights through online research across 43 countries. DataDefense, our quality-assurance program, checks data before, during and after collection to ensure every result meets the highest standards. To keep surveys safe and accurate, we use specialized online tools. NoBot uses simple puzzles to make sure only real people (not bots) enter a survey. It also adds extra protection behind the scenes, using Microsoft-powered backend smart firewall-style technology to block suspicious IPs, filter out bad actors and stop automated attacks. Smart Probing, our AI tool, asks smart follow-up questions during surveys to capture richer, more truthful answers. Together, these technologies and strict quality controls allow Harmon Research to deliver reliable, trustworthy insights worldwide, whether for quantitative studies or in-depth qualitative research.
Phone 1-714-881-2590
www.harmonresearch.com
Murray Hill National
Founded 2013 | 35 employees
Susan Owens, COO
Clients trust Murray Hill National with thousands of studies per year as their research partner. In return, we deliver valuable solutions, high-quality recruitment and data collection for all your research needs, specializing in health care and B2B market research! All methodologies and all audiences. We can host and deliver your results across the U.S. What makes us different from most is that we put data quality at the top of the list. For the last 30 years, the executives at Murray Hill National have worked diligently and advanced to one of the leading data collection and recruitment companies in the U.S. Our teams are committed to meeting your research needs. We provide high-quality recruitment, with access to 5 million consumers, 650,000+ B2B executives/professionals and 750,000 physicians, nurses and more, and we organize 150+ patient panels. Any audience, any methodology; specializing in B2B and health care. Our qualitative services extend far beyond the traditional focus group. Our services include online, digital, remote, home-use test and any other methodology needing to find an audience with feedback or expert knowledge. Call us today for your next project, your
“national” recruiting experts!
Phone 1-972-707-7645
www.murrayhillnational.com
OpinionRoute
Founded 2013 | 40 employees
Terence McCarron, CEO
OpinionRoute is a research operations partner built especially for small to mid-sized market research agencies. We unite our Navigator workflow platform with expertise in sampling and survey programming to deliver clean data and better projects. OpinionRoute offers the only holistic data quality suite that addresses quality threats where they appear. Features in this suite include CleanID (pre-survey fraud and dupe mitigation), ResponseID (in-survey behavioral fraud detection) and QC Flow AI Copilot (data-cleaning efficiency solution). By bringing together purpose-built technology and experienced talent, OpinionRoute protects your data, your time and your team on every project. We are ISO 27001- and SOC2-certified.
Phone 1-216-446-5046
www.opinionroute.com/dataquality
Pureprofile
Founded 2000 | 245 Employees
Martin Filz, CEO
Pureprofile’s reputation is built on an unwavering commitment to data quality. Through in-depth profiling, rigorous vetting and multilayered verification, we deliver reliable, research-ready data for every client project. As a signatory of the Global Data Quality Excellence Pledge, we embed industry best practice across every stage of the research lifecycle. Our partnership with CleanID strengthens fraud detection and respondent authenticity, supported by comprehensive quality assurances built within our proprietary panel management systems. Backed by ISO 27001 certification and memberships with the MRS, Insights Association and ADIA, we follow recognized global standards clients can rely on. Our focus on high data quality builds confidence, drives repeat partnerships and is why clients return to Pureprofile time and again, knowing every insight is grounded in trusted data. Contact us: salesemea@pureprofile.com.
ReadingMinds.ai
Founded 2025 | 12 employees
Stu Sjouwerman, CEO
ReadingMinds.ai is a new, AI-powered marketing research platform that turns real customer conversations into fast, actionable insights. You get a second-generation platform that features an emotionally intelligent AI-interviewer called Emma. She conducts crisp voice interviews 24/7, no appointments needed! Marketers use ReadingMinds to uncover emotions that truly drive buyer behavior, then translate those findings into sharper targeting, stronger messaging, better-quality leads and higher close rates. Teams get actionable, shareable reports in hours, not weeks, with granular sentiment analysis and key themes that align marketing and sales around what makes buyers tick. Collaborate effortlessly with teammates and partners while keeping workflows centralized and efficient. Find out how affordable this now is!
Email support@readingminds.ai
www.readingminds.ai
Rep Data
Founded 2020 | 91 Employees
Patrick Stokes, CEO
Research Defender by Rep Data is a quality-first fraud prevention solution designed to protect research data from automated agents, scripted activity and identity manipulation. Built to operate continuously across the data collection process, Research Defender analyzes behavioral signals, device attributes, activity patterns and open-ended responses to detect non-human and manipulated participation in real time. These protections run automatically and consistently across all sources, giving researchers full visibility into what is blocked and the control to adjust settings as needed. Whether embedded within our DIY platform, Research Desk, deployed via API or integrated into custom research workflows, Research Defender helps ensure that every response meets high standards for authenticity, attentiveness and data integrity.
Email reps@repdata.com
www.repdata.com
SIS International Research
Founded 1984 | 50 employees
Ruth Stanat, CEO
SIS International emphasizes strict quality control and reliable recruitment for complex B2B, B2C and professional audiences. Recruitment starts with detailed demographic and psychographic screening in Qualtrics, followed by identity verification through business email and LinkedIn profiles. This layered process confirms respondents are genuine and qualified. During data collection, SIS uses automated safeguards like CAPTCHA, bot detection, straightlining and inconsistency checks to prevent fraud and ensure high-quality, reliable data. Quality assurance continues after fieldwork with manual expert reviews. Responses are assessed for logic, consistency and coherence, with IP address and GPS validation for location. SIS enhances data integrity through a hybrid model that combines AI analysis and human oversight, where AI detects patterns and analysts confirm. For 41 years, this method has provided accurate and credible insights for decision-making, demonstrating our commitment to research quality.
Email restanat@sisinternational.com
Phone 1-917-536- 0640
www.sisinternational.com
Symmetric, A Decision Analyst Company
Founded 2016 | 25+ employees
Jason Thomas, CEO
Arianne Larimer, President
Symmetric owns and operates American Consumer Opinion®, a worldwide online panel that reaches millions of consumers in 200-plus countries and territories, spanning North America, Latin America, Europe and Asia. Consumers can sign up to become members in one of 11 languages and complete demographic profiles are maintained for each household. Symmetric also operates five B2B worldwide online panels: Physicians Advisory Council®, Medical Advisory Board®, Executive Advisory Board®, Contractor Advisory Board® and Technology Advisory Board®. Symmetric places a high value on representative samples, scientific sampling methods and advanced fraud-detection systems. Our online panels are carefully balanced, continually refreshed and systematically cleaned. Non-responders, speedsters and cheaters are continually purged. Symmetric provides sample for quantitative and qualitative research and online and offline projects. Additional services include programming, hosting, online communities, tabulation, coding, IHUT mailing and API integrations.
Phone 1-817-649-5243
www.symmetricsampling.com/panels