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About Us

SSI—The Science of Sampling in Action

Bringing together Survey Sampling International and Opinionology, SSI is the world’s leading provider of sampling, data collection and data analytic solutions for survey research. We reach respondents across 72 nations through the full range of modes, including online, landline phone, mobile/wireless and mixed access. With 30 offices spanning every time zone and, staff fluent in 36 languages, SSI offers the widest, most diverse access to consumer, B2B and healthcare audiences around the globe. More than 2000 companies worldwide—including the top-50 research organizations—trust SSI to fulfill their sampling and data collection needs.

Dedicated to methodological excellence, SSI brings a combined 50 years of sampling expertise to every project, including more than a decade of experience creating and managing online panels across 28 countries. Plus, we extend our reach to include those who would never join a panel through SSI Dynamix™—our dynamic sampling platform that links to our own panels, as well as social media, online communities, affiliate partners and more.

To ensure valid, unbiased samples, SSI adheres to the highest standards of sampling science across every aspect of every project. Through our global Knowledge Team of senior methodologists, we continue to focus on advancing sampling science. We sponsor extensive “research on research,” revealing critical insights into enhancing sampling and survey design. In addition, we are active contributors to 30 market research associations around the world.

We offer the industry’s most trusted telephone data collection services, with 2,500+ professional interviewers conducting more than 6 million interviews every year to support every type of project—from phone-to-Web recruit to public opinion measurement to executive interviewing to Voice of the Customer programs . Our network of sophisticated call centers in the US and the Philippines have been carefully designed to optimize quality, efficiency and results.

Focusing on Quality

SSI applies the strictest processes for verifying respondents and ensuring data quality. We employ advanced techniques for authenticating and de-duping research participants, including digital fingerprinting…matches against third-party databases…traps to uncover geo-IP violations…and real-time dynamic profiling. We also are meticulous in protecting data integrity, implementing timestamps to flag "speeders"…checks to identify "straightliners"…quality control questions to reveal those not paying attention…and real-time database analyses to eliminate fraudulent activity.

In addition, SSI partners with Imperium to incorporate its cutting-edge technologies into our stringent quality processes.  We employ all three components of Imperium’s suite of data quality offerings, including RelevantID®, the leading digital fingerprinting technology for certifying data…Verity™, the data validation service that confirms the accuracy of a person's name, address and other demographics…and ICE™ (Imperium Category Exclusion), the first broad-based category exclusion program for the market research industry.

A Full Range of Powerful Benefits

SSI delivers a powerful array of benefits:

  • A complete portfolio of best-in-class services, across every mode—online, landline telephone, mobile/wireless and mixed access. SSI delivers the entire suite of sampling, data collection and back office analytics for every project—even the most complex. Whatever your research objectives, we create the optimal sampling and data collection plan—using any mode or combination of modes—to generate the accurate responses that drive effective business decisions. We even can build you customized dashboards for integrating survey results and supporting optimal business decisions. Plus, we offer easy-to-use real-time reporting with your choice of viewing options—from raw data to tabulations to exportable charts and graphs.
  • A broad global footprint, backed by the deepest local expertise. SSI ensures you reach your target populations around the world. Plus, with 1,300 professionals in 30 offices, we provide on-the-ground knowledge to drive effective research in any region. You can access any segment in any country—and be confident your survey is flawlessly translated and your questions are appropriately localized to guarantee meaningful results.
  • A wide range of sources—from managed panels to online communities to social media to affiliate partnerships. SSI provides you with worldwide access to any consumer, healthcare or B2B audience—even those who are hardest to reach. We bring the populations you need to your research—however specific your parameters—with the fastest turnaround, the most efficient data collection and the most powerful analytics.
  • Strong value-add support—from 24/7 service coverage to consultative guidance with senior methodologists. We offer a full array of expert support services, from programming and hosting to data processing to data analytics. In addition, our sampling scientists work with you to optimize your surveys and drive maximum response. We provide the ease and convenience of a "one-stop" resource that's a true partner in ensuring the success of your project, from start to finish.