Company lists · Data refreshed November 2026
Top 25 In-depth interview research services worldwide
RevenueBase identified 1,339 company matches for in-depth interview research services worldwide as of November 2026 and tracks 13,266 professional contacts across them, including 3,489 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for in-depth interview research services worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for in-depth interview research services follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest in-depth interview research services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 841 contacts → | ||||
Exact match “Today’s markets demand new research methods.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 709 contacts → | ||||
Exact match “At Market Xcel, we're dedicated to delivering high-quality results for our clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 302 contacts → | ||||
Exact match “Fieldwork is a qualitative research partner.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 248 contacts → | ||||
Exact match “Blackstone Group is a full-service custom marketing research and consulting firm providing clients with actionable insights for over 25 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 235 contacts → | ||||
Exact match “Six Degrees is a leading qualitative research platform driven by expert intelligence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 232 contacts → | ||||
Exact match “CID Gallup, leader in market research, has all the tools to design the study that your company needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 220 contacts → | ||||
Exact match “At L&E we make connections to create conversations that help our clients make better decisions, allowing us to give back to our communities and grow our connections.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 186 contacts → | ||||
Exact match “De la Riva Group is one of the most trusted market research companies serving Fortune 500, private and government clients in North and South America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 143 contacts → | ||||
Exact match “At The Link Group, we make complexity feel simple.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 143 contacts → | ||||
Exact match “Somos la consultora especializada en investigación de mercados accionable.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 139 contacts → | ||||
Exact match “FPG provides high-quality marketing research data collection services by leveraging new techniques and technologies to make market insights more accessible, accurate, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 132 contacts → | ||||
Exact match “V dnešním rychle se měnícím světě jsou spolehlivé informace pro rozhodování důležitější než kdy předtím.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 129 contacts → | ||||
Exact match “IBI is your one-stop solution for conducting world-class market research activities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 125 contacts → | ||||
Exact match “Ironwood Insights is a team of expert-level insights consultants who solve critical marketing and business problems for forward-thinking companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 122 contacts → | ||||
Exact match “Rahbar Bazaar is a full-service market research and insight consultancy with over two decades of experience delivering applied research and decision-support studies across a wide…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 121 contacts → | ||||
Exact match “BrandEssence Research is a global market research and consulting firm enabling organizations to make confident strategic decisions in an increasingly dynamic business environment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 118 contacts → | ||||
Exact match “Listen Labs is an autonomous market researcher that makes robust research simple and fast.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 114 contacts → | ||||
Exact match “Established in 2008, GLOBAL SURVEY is one of the leading and fastest growing Global Data Collection agencies in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 105 contacts → | ||||
Exact match “Markteffect is een strategisch marktonderzoeksbureau dat als one-stop-shop dient voor haar opdrachtgevers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 103 contacts → | ||||
Exact match “Outset is the most advanced AI-moderated research platform for running high-quality qualitative research at scale.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 97 contacts → | ||||
Exact match “MAXimum Research, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 93 contacts → | ||||
Exact match “At KLA, we get it.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 92 contacts → | ||||
Exact match “Backed by Y Combinator, Conveo sets the new standard in qualitative research.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 92 contacts → | ||||
Exact match “Davis Research is a privately held family business that has been executing projects for market research professionals since 1970.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 87 contacts → | ||||
Exact match “Market Research Facilities in Dallas, Atlanta, Chicago, Boston, Indianapolis, Hartford, Los Angeles and New York.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “in-depth interview research services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,339 in-depth interview research services worldwide
See the full list, filter by size, metro and specialty, and access 3,489 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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In-depth interview research services worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for in-depth interview research services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “in-depth interview research services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 3,489 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
In-depth interview research services by location
10 lists · largest firstEvery In-depth interview research services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- In-depth interview research services based in the United States396
- In-depth interview research services based in the United Kingdom145
- In-depth interview research services based in India109
- In-depth interview research services based in Brazil47
- In-depth interview research services based in Canada38
- In-depth interview research services based in Germany33
- In-depth interview research services based in Australia32
- In-depth interview research services based in France31
Cities
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “in-depth interview research services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many in-depth interview research services are there worldwide?
RevenueBase identified 1,339 company matches for in-depth interview research services worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
SAGO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most in-depth interview research services?
The United States leads with 396 companies, followed by the United Kingdom (145) and India (109). Every in-depth interview research services list by country and city is linked on this page.
Which city has the most in-depth interview research services?
London leads with 74 company records, followed by New York (29) and New Delhi (23).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,489 professional contacts with verified work emails tracked across these 1,339 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,339 in-depth interview research services worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 in-depth interview research services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,339 matching company records for in-depth interview research services worldwide, with 13,266 tracked contacts and 3,489 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 in-depth interview research services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  SAGOsago.comHQ: Iselin, NJ, United StatesReported employees: 1,001-5,000 | Iselin, NJ, United States | 1,001-5,000 | Exact match | 841 contacts → |
“Today’s markets demand new research methods.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Market Xcelmarket-xcel.comHQ: New Delhi, IndiaReported employees: 501-1,000 | New Delhi, India | 501-1,000 | Exact match | 709 contacts → |
“At Market Xcel, we're dedicated to delivering high-quality results for our clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Fieldworkfieldwork.comHQ: Chicago, TX, United StatesReported employees: 501-1,000 | Chicago, TX, United States | 501-1,000 | Exact match | 302 contacts → |
“Fieldwork is a qualitative research partner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Blackstone Groupbgglobal.comHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 248 contacts → |
“Blackstone Group is a full-service custom marketing research and consulting firm providing clients with actionable insights for over 25 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  SIX Degrees Intelligencesixdegreesint.comHQ: Hangzhou, ChinaReported employees: 201-500 | Hangzhou, China | 201-500 | Exact match | 235 contacts → |
“Six Degrees is a leading qualitative research platform driven by expert intelligence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  CID Gallupcidgallup.comHQ: San José, Costa RicaReported employees: 201-500 | San José, Costa Rica | 201-500 | Exact match | 232 contacts → |
“CID Gallup, leader in market research, has all the tools to design the study that your company needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  L&e Researchleresearch.comHQ: Raleigh, CO, United StatesReported employees: 201-500 | Raleigh, CO, United States | 201-500 | Exact match | 220 contacts → |
“At L&E we make connections to create conversations that help our clients make better decisions, allowing us to give back to our communities and grow our connections.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  DE LA Riva Groupdelarivagroup.comHQ: Mexico Df, FL, MexicoReported employees: 51-200 | Mexico Df, FL, Mexico | 51-200 | Exact match | 186 contacts → |
“De la Riva Group is one of the most trusted market research companies serving Fortune 500, private and government clients in North and South America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  The Link Grouptlg.comHQ: Durham, GA, United StatesReported employees: 51-200 | Durham, GA, United States | 51-200 | Exact match | 143 contacts → |
“At The Link Group, we make complexity feel simple.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Clientes Anónimosclientesanonimos.comHQ: Lima, PeruReported employees: 51-200 | Lima, Peru | 51-200 | Exact match | 143 contacts → |
“Somos la consultora especializada en investigación de mercados accionable.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Focus Pointe Globalschlesingergroup.comHQ: Philadelphia, PA, United StatesReported employees: 501-1,000 | Philadelphia, PA, United States | 501-1,000 | Exact match | 139 contacts → |
“FPG provides high-quality marketing research data collection services by leveraging new techniques and technologies to make market insights more accessible, accurate, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Ipsos In Czech Republicipsos.czHQ: Praha 1, Czech RepublicReported employees: 201-500 | Praha 1, Czech Republic | 201-500 | Exact match | 132 contacts → |
“V dnešním rychle se měnícím světě jsou spolehlivé informace pro rozhodování důležitější než kdy předtím.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  IBI Global Research Solutionsibigrs.comHQ: Ahmedabad, IndiaReported employees: 51-200 | Ahmedabad, India | 51-200 | Exact match | 129 contacts → |
“IBI is your one-stop solution for conducting world-class market research activities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ironwood Insights Group, LLCironwoodinsights.comHQ: Chandler, AZ, United StatesReported employees: 51-200 | Chandler, AZ, United States | 51-200 | Exact match | 125 contacts → |
“Ironwood Insights is a team of expert-level insights consultants who solve critical marketing and business problems for forward-thinking companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Rahbar Bazaarrahbarbazaar.comHQ: Tehran, IranReported employees: 51-200 | Tehran, Iran | 51-200 | Exact match | 122 contacts → |
“Rahbar Bazaar is a full-service market research and insight consultancy with over two decades of experience delivering applied research and decision-support studies across a wide…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Brandessence Market Researchbrandessenceresearch.comHQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 121 contacts → |
“BrandEssence Research is a global market research and consulting firm enabling organizations to make confident strategic decisions in an increasingly dynamic business environment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Listen Labslistenlabs.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 118 contacts → |
“Listen Labs is an autonomous market researcher that makes robust research simple and fast.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Global Surveyglobalsurvey.gsHQ: Orlando, FL, United StatesReported employees: 51-200 | Orlando, FL, United States | 51-200 | Exact match | 114 contacts → |
“Established in 2008, GLOBAL SURVEY is one of the leading and fastest growing Global Data Collection agencies in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Markteffectmarkteffect.nlHQ: Eindhoven, NetherlandsReported employees: 51-200 | Eindhoven, Netherlands | 51-200 | Exact match | 105 contacts → |
“Markteffect is een strategisch marktonderzoeksbureau dat als one-stop-shop dient voor haar opdrachtgevers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Outsetoutset.aiHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 103 contacts → |
“Outset is the most advanced AI-moderated research platform for running high-quality qualitative research at scale.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Maximum Researchmaximumresearch.comHQ: Cherry Hill, NJ, United StatesReported employees: 201-500 | Cherry Hill, NJ, United States | 201-500 | Exact match | 97 contacts → |
“MAXimum Research, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  KLAkla.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 93 contacts → |
“At KLA, we get it.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Conveoconveo.aiHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 92 contacts → |
“Backed by Y Combinator, Conveo sets the new standard in qualitative research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Davis Researchdavisresearch.comHQ: Calabasas, CA, United StatesReported employees: 51-200 | Calabasas, CA, United States | 51-200 | Exact match | 92 contacts → |
“Davis Research is a privately held family business that has been executing projects for market research professionals since 1970.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  MHNmurrayhillnational.comHQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 87 contacts → |
“Market Research Facilities in Dallas, Atlanta, Chicago, Boston, Indianapolis, Hartford, Los Angeles and New York.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,339 company matches
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In-depth interview research services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,331 records in the displayed employee bands.
8 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,339 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
In-depth interview research services by location
10 lists · largest firstEvery In-depth interview research services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- In-depth interview research services based in the United States396
- In-depth interview research services based in the United Kingdom145
- In-depth interview research services based in India109
- In-depth interview research services based in Brazil47
- In-depth interview research services based in Canada38
- In-depth interview research services based in Germany33
- In-depth interview research services based in Australia32
- In-depth interview research services based in France31
Cities
Questions about this company list
What does Exact match mean for in-depth interview research services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many in-depth interview research services did RevenueBase find worldwide?
The saved snapshot records 1,339 matching company records, 13,266 tracked contacts and 3,489 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 in-depth interview research services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/in-depth-interview-research-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 in-depth interview research services worldwide
RevenueBase records 1,339 matching company records for in-depth interview research services worldwide, with 13,266 tracked contacts and 3,489 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 in-depth interview research services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | SAGOsago.com HQ: Iselin, NJ, United StatesReported employees: 1,001-5,000 | Iselin, NJ, United States | 1,001-5,000 | Exact match | 841 contacts → |
“Today’s markets demand new research methods.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Market Xcelmarket-xcel.com HQ: New Delhi, IndiaReported employees: 501-1,000 | New Delhi, India | 501-1,000 | Exact match | 709 contacts → |
“At Market Xcel, we're dedicated to delivering high-quality results for our clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Fieldworkfieldwork.com HQ: Chicago, TX, United StatesReported employees: 501-1,000 | Chicago, TX, United States | 501-1,000 | Exact match | 302 contacts → |
“Fieldwork is a qualitative research partner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Blackstone Groupbgglobal.com HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 248 contacts → |
“Blackstone Group is a full-service custom marketing research and consulting firm providing clients with actionable insights for over 25 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SIX Degrees Intelligencesixdegreesint.com HQ: Hangzhou, ChinaReported employees: 201-500 | Hangzhou, China | 201-500 | Exact match | 235 contacts → |
“Six Degrees is a leading qualitative research platform driven by expert intelligence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | CID Gallupcidgallup.com HQ: San José, Costa RicaReported employees: 201-500 | San José, Costa Rica | 201-500 | Exact match | 232 contacts → |
“CID Gallup, leader in market research, has all the tools to design the study that your company needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | L&e Researchleresearch.com HQ: Raleigh, CO, United StatesReported employees: 201-500 | Raleigh, CO, United States | 201-500 | Exact match | 220 contacts → |
“At L&E we make connections to create conversations that help our clients make better decisions, allowing us to give back to our communities and grow our connections.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | DE LA Riva Groupdelarivagroup.com HQ: Mexico Df, FL, MexicoReported employees: 51-200 | Mexico Df, FL, Mexico | 51-200 | Exact match | 186 contacts → |
“De la Riva Group is one of the most trusted market research companies serving Fortune 500, private and government clients in North and South America.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | The Link Grouptlg.com HQ: Durham, GA, United StatesReported employees: 51-200 | Durham, GA, United States | 51-200 | Exact match | 143 contacts → |
“At The Link Group, we make complexity feel simple.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Clientes Anónimosclientesanonimos.com HQ: Lima, PeruReported employees: 51-200 | Lima, Peru | 51-200 | Exact match | 143 contacts → |
“Somos la consultora especializada en investigación de mercados accionable.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Focus Pointe Globalschlesingergroup.com HQ: Philadelphia, PA, United StatesReported employees: 501-1,000 | Philadelphia, PA, United States | 501-1,000 | Exact match | 139 contacts → |
“FPG provides high-quality marketing research data collection services by leveraging new techniques and technologies to make market insights more accessible, accurate, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ipsos In Czech Republicipsos.cz HQ: Praha 1, Czech RepublicReported employees: 201-500 | Praha 1, Czech Republic | 201-500 | Exact match | 132 contacts → |
“V dnešním rychle se měnícím světě jsou spolehlivé informace pro rozhodování důležitější než kdy předtím.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | IBI Global Research Solutionsibigrs.com HQ: Ahmedabad, IndiaReported employees: 51-200 | Ahmedabad, India | 51-200 | Exact match | 129 contacts → |
“IBI is your one-stop solution for conducting world-class market research activities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ironwood Insights Group, LLCironwoodinsights.com HQ: Chandler, AZ, United StatesReported employees: 51-200 | Chandler, AZ, United States | 51-200 | Exact match | 125 contacts → |
“Ironwood Insights is a team of expert-level insights consultants who solve critical marketing and business problems for forward-thinking companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Rahbar Bazaarrahbarbazaar.com HQ: Tehran, IranReported employees: 51-200 | Tehran, Iran | 51-200 | Exact match | 122 contacts → |
“Rahbar Bazaar is a full-service market research and insight consultancy with over two decades of experience delivering applied research and decision-support studies across a wide…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Brandessence Market Researchbrandessenceresearch.com HQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 121 contacts → |
“BrandEssence Research is a global market research and consulting firm enabling organizations to make confident strategic decisions in an increasingly dynamic business environment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Listen Labslistenlabs.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 118 contacts → |
“Listen Labs is an autonomous market researcher that makes robust research simple and fast.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Global Surveyglobalsurvey.gs HQ: Orlando, FL, United StatesReported employees: 51-200 | Orlando, FL, United States | 51-200 | Exact match | 114 contacts → |
“Established in 2008, GLOBAL SURVEY is one of the leading and fastest growing Global Data Collection agencies in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Markteffectmarkteffect.nl HQ: Eindhoven, NetherlandsReported employees: 51-200 | Eindhoven, Netherlands | 51-200 | Exact match | 105 contacts → |
“Markteffect is een strategisch marktonderzoeksbureau dat als one-stop-shop dient voor haar opdrachtgevers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Outsetoutset.ai HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 103 contacts → |
“Outset is the most advanced AI-moderated research platform for running high-quality qualitative research at scale.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Maximum Researchmaximumresearch.com HQ: Cherry Hill, NJ, United StatesReported employees: 201-500 | Cherry Hill, NJ, United States | 201-500 | Exact match | 97 contacts → |
“MAXimum Research, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | KLAkla.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 93 contacts → |
“At KLA, we get it.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Conveoconveo.ai HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 92 contacts → |
“Backed by Y Combinator, Conveo sets the new standard in qualitative research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Davis Researchdavisresearch.com HQ: Calabasas, CA, United StatesReported employees: 51-200 | Calabasas, CA, United States | 51-200 | Exact match | 92 contacts → |
“Davis Research is a privately held family business that has been executing projects for market research professionals since 1970.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | MHNmurrayhillnational.com HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 87 contacts → |
“Market Research Facilities in Dallas, Atlanta, Chicago, Boston, Indianapolis, Hartford, Los Angeles and New York.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,339 company matches
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In-depth interview research services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,331 records in the displayed employee bands.
8 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,339 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
In-depth interview research services by location
10 lists · largest firstEvery In-depth interview research services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- In-depth interview research services based in the United States396
- In-depth interview research services based in the United Kingdom145
- In-depth interview research services based in India109
- In-depth interview research services based in Brazil47
- In-depth interview research services based in Canada38
- In-depth interview research services based in Germany33
- In-depth interview research services based in Australia32
- In-depth interview research services based in France31
Cities
Questions about this company list
What does Exact match mean for in-depth interview research services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many in-depth interview research services did RevenueBase find worldwide?
The saved snapshot records 1,339 matching company records, 13,266 tracked contacts and 3,489 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 in-depth interview research services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/in-depth-interview-research-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗