Company lists · Data refreshed November 2026
Top 25 In-depth interview specialists worldwide
RevenueBase identified 1,840 company matches for in-depth interview specialists worldwide as of November 2026 and tracks 20,097 professional contacts across them, including 4,528 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 specialists 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 specialists 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 specialists worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 410 contacts → | ||||
Exact match “TKW Research Group is Australia's most trusted research data collection and recruitment organisation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 385 contacts → | ||||
Exact match “American Directions Research Group is one of the largest and most experienced market research survey providers in the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 351 contacts → | ||||
Exact match “RONIN International is an independent B2B market research company specialising in business, healthcare and tech studies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 302 contacts → | ||||
Exact match “Fieldwork is a qualitative research partner.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 277 contacts → | ||||
Exact match “Schlesinger Group is a technology-led data company that delivers a broad range of qualitative and quantitative research solutions to connect human answers to business questions as…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 257 contacts → | ||||
Exact match “ActionEdge helps organizations turn questions into clarity through reliable market research and data collection.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 243 contacts → | ||||
Exact match “C&C Market Research is an industry leading market research field service firm based in Fort Smith, AR, which owns and operates over 36 research facilities in major markets all…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 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 | |||||
| 10 | 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 | |||||
| 11 | 228 contacts → | ||||
Exact match “Kudos Research is no longer trading.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 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 | |||||
| 13 | 189 contacts → | ||||
Exact match “In 1974, we were babies in a newborn industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 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 | |||||
| 15 | 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 | |||||
| 16 | 140 contacts → | ||||
Exact match “We are a global provider of end-to-end Market Research & Fieldwork solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 138 contacts → | ||||
Exact match “GIM is ranked among the ten most important full-service market research institutes in Germany and conducts international research in over 50 markets for brand name companies…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 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 | |||||
| 19 | 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 | |||||
| 20 | 125 contacts → | ||||
Exact match “MartLenz Knowledge Services is a global market research organization offering customized data-collection solutions to meet unique business needs across the globe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 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 | |||||
| 22 | 121 contacts → | ||||
Exact match “FFIND is an independent global data collection company with a vast multi-industry expertise and leadership in public opinion studies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 119 contacts → | ||||
Exact match “Prolific Research Private Limited is a global market research, data collection, and survey programming agency founded in 2011 in Ahmedabad, India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 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 | |||||
| 25 | 116 contacts → | ||||
Exact match “From nationwide recruiting & online sample services to coding, transcription, client list management and incentive processing, our expert team is all in.” 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 specialists”. 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 1,840 in-depth interview specialists worldwide
See the full list, filter by size, metro and specialty, and access 4,528 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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In-depth interview specialists 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 specialists are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “in-depth interview specialists” 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 4,528 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 specialists by location
14 lists · largest firstEvery In-depth interview specialists list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- In-depth interview specialists based in the United States439
- In-depth interview specialists based in the United Kingdom241
- In-depth interview specialists based in India168
- In-depth interview specialists based in Brazil66
- In-depth interview specialists based in Germany56
- In-depth interview specialists based in Australia52
- In-depth interview specialists based in Canada52
- In-depth interview specialists based in France51
- In-depth interview specialists based in Spain39
Cities
- In-depth interview specialists based in London, United Kingdom93
- In-depth interview specialists based in New Delhi, India40
- In-depth interview specialists based in Sao Paulo, Brazil35
- In-depth interview specialists based in Mumbai, India30
- In-depth interview specialists based in New York, United States29
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 specialists”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many in-depth interview specialists are there worldwide?
RevenueBase identified 1,840 company matches for in-depth interview specialists 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?
Market Xcel 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 specialists?
The United States leads with 439 companies, followed by the United Kingdom (241) and India (168). Every in-depth interview specialists list by country and city is linked on this page.
Which city has the most in-depth interview specialists?
London leads with 94 company records, followed by New Delhi (40) and Sao Paulo (35).
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 4,528 professional contacts with verified work emails tracked across these 1,840 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 1,840 in-depth interview specialists 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 specialists worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,840 matching company records for in-depth interview specialists worldwide, with 20,097 tracked contacts and 4,528 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 specialists 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 |  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. | |||||
| 2 |  TKW Research Grouptkwresearch.com.auHQ: Seaford, AustraliaReported employees: 201-500 | Seaford, Australia | 201-500 | Exact match | 410 contacts → |
“TKW Research Group is Australia's most trusted research data collection and recruitment organisation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  American Directions Research Groupamericandirections.comHQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 385 contacts → |
“American Directions Research Group is one of the largest and most experienced market research survey providers in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ronin Internationalronin.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 351 contacts → |
“RONIN International is an independent B2B market research company specialising in business, healthcare and tech studies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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. | |||||
| 6 |  Schlesinger Groupschlesingergroup.comHQ: Iselin, GA, United StatesReported employees: 1,001-5,000 | Iselin, GA, United States | 1,001-5,000 | Exact match | 277 contacts → |
“Schlesinger Group is a technology-led data company that delivers a broad range of qualitative and quantitative research solutions to connect human answers to business questions as…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Actionedge Research Services LLPaction-edge.comHQ: Ahmedabad, IndiaReported employees: 51-200 | Ahmedabad, India | 51-200 | Exact match | 257 contacts → |
“ActionEdge helps organizations turn questions into clarity through reliable market research and data collection.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  C&c Market Research, INCccmarketresearch.comHQ: Fort Smith, TX, United StatesReported employees: 501-1,000 | Fort Smith, TX, United States | 501-1,000 | Exact match | 243 contacts → |
“C&C Market Research is an industry leading market research field service firm based in Fort Smith, AR, which owns and operates over 36 research facilities in major markets all…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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. | |||||
| 10 |  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. | |||||
| 11 |  Kudos Researchkudosresearch.comHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 228 contacts → |
“Kudos Research is no longer trading.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  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. | |||||
| 13 |  Philippine Survey And Research Center Psrcpsrc.com.phHQ: Pasig City, PhilippinesReported employees: 51-200 | Pasig City, Philippines | 51-200 | Exact match | 189 contacts → |
“In 1974, we were babies in a newborn industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  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. | |||||
| 15 |  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. | |||||
| 16 |  Fieldglobal Market Research PVT LTDfieldglobal.comHQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 140 contacts → |
“We are a global provider of end-to-end Market Research & Fieldwork solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Heidelberg, GermanyReported employees: 51-200 | Heidelberg, Germany | 51-200 | Exact match | 138 contacts → |
“GIM is ranked among the ten most important full-service market research institutes in Germany and conducts international research in over 50 markets for brand name companies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  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. | |||||
| 19 |  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. | |||||
| 20 |  Martlenz Knowledge Servicesmartlenz.comHQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 125 contacts → |
“MartLenz Knowledge Services is a global market research organization offering customized data-collection solutions to meet unique business needs across the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  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. | |||||
| 22 |  FFINDffind.comHQ: Palermo, ItalyReported employees: 51-200 | Palermo, Italy | 51-200 | Exact match | 121 contacts → |
“FFIND is an independent global data collection company with a vast multi-industry expertise and leadership in public opinion studies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Prolific Research Private Limitedprolificresearch.comHQ: Ahmedabad, IndiaReported employees: 51-200 | Ahmedabad, India | 51-200 | Exact match | 119 contacts → |
“Prolific Research Private Limited is a global market research, data collection, and survey programming agency founded in 2011 in Ahmedabad, India.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  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. | |||||
| 25 |  Focus Forwardfocusfwd.comHQ: Wayne, PA, United StatesReported employees: 11-50 | Wayne, PA, United States | 11-50 | Exact match | 116 contacts → |
“From nationwide recruiting & online sample services to coding, transcription, client list management and incentive processing, our expert team is all in.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,840 company matches
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In-depth interview specialists: 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
1,831 records in the displayed employee bands.
9 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 1,840 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 specialists by location
14 lists · largest firstEvery In-depth interview specialists list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- In-depth interview specialists based in the United States439
- In-depth interview specialists based in the United Kingdom241
- In-depth interview specialists based in India168
- In-depth interview specialists based in Brazil66
- In-depth interview specialists based in Germany56
- In-depth interview specialists based in Australia52
- In-depth interview specialists based in Canada52
- In-depth interview specialists based in France51
- In-depth interview specialists based in Spain39
Cities
- In-depth interview specialists based in London, United Kingdom93
- In-depth interview specialists based in New Delhi, India40
- In-depth interview specialists based in Sao Paulo, Brazil35
- In-depth interview specialists based in Mumbai, India30
- In-depth interview specialists based in New York, United States29
Questions about this company list
What does Exact match mean for in-depth interview specialists?
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 specialists did RevenueBase find worldwide?
The saved snapshot records 1,840 matching company records, 20,097 tracked contacts and 4,528 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 specialists worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/in-depth-interview-specialists.
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 specialists worldwide
RevenueBase records 1,840 matching company records for in-depth interview specialists worldwide, with 20,097 tracked contacts and 4,528 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 specialists 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 | 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. | |||||
| 2 | TKW Research Grouptkwresearch.com.au HQ: Seaford, AustraliaReported employees: 201-500 | Seaford, Australia | 201-500 | Exact match | 410 contacts → |
“TKW Research Group is Australia's most trusted research data collection and recruitment organisation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | American Directions Research Groupamericandirections.com HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 385 contacts → |
“American Directions Research Group is one of the largest and most experienced market research survey providers in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ronin Internationalronin.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 351 contacts → |
“RONIN International is an independent B2B market research company specialising in business, healthcare and tech studies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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. | |||||
| 6 | Schlesinger Groupschlesingergroup.com HQ: Iselin, GA, United StatesReported employees: 1,001-5,000 | Iselin, GA, United States | 1,001-5,000 | Exact match | 277 contacts → |
“Schlesinger Group is a technology-led data company that delivers a broad range of qualitative and quantitative research solutions to connect human answers to business questions as…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Actionedge Research Services LLPaction-edge.com HQ: Ahmedabad, IndiaReported employees: 51-200 | Ahmedabad, India | 51-200 | Exact match | 257 contacts → |
“ActionEdge helps organizations turn questions into clarity through reliable market research and data collection.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | C&c Market Research, INCccmarketresearch.com HQ: Fort Smith, TX, United StatesReported employees: 501-1,000 | Fort Smith, TX, United States | 501-1,000 | Exact match | 243 contacts → |
“C&C Market Research is an industry leading market research field service firm based in Fort Smith, AR, which owns and operates over 36 research facilities in major markets all…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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. | |||||
| 10 | 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. | |||||
| 11 | Kudos Researchkudosresearch.com HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 228 contacts → |
“Kudos Research is no longer trading.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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. | |||||
| 13 | Philippine Survey And Research Center Psrcpsrc.com.ph HQ: Pasig City, PhilippinesReported employees: 51-200 | Pasig City, Philippines | 51-200 | Exact match | 189 contacts → |
“In 1974, we were babies in a newborn industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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. | |||||
| 15 | 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. | |||||
| 16 | Fieldglobal Market Research PVT LTDfieldglobal.com HQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 140 contacts → |
“We are a global provider of end-to-end Market Research & Fieldwork solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Heidelberg, GermanyReported employees: 51-200 | Heidelberg, Germany | 51-200 | Exact match | 138 contacts → |
“GIM is ranked among the ten most important full-service market research institutes in Germany and conducts international research in over 50 markets for brand name companies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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. | |||||
| 19 | 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. | |||||
| 20 | Martlenz Knowledge Servicesmartlenz.com HQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 125 contacts → |
“MartLenz Knowledge Services is a global market research organization offering customized data-collection solutions to meet unique business needs across the globe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 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. | |||||
| 22 | FFINDffind.com HQ: Palermo, ItalyReported employees: 51-200 | Palermo, Italy | 51-200 | Exact match | 121 contacts → |
“FFIND is an independent global data collection company with a vast multi-industry expertise and leadership in public opinion studies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Prolific Research Private Limitedprolificresearch.com HQ: Ahmedabad, IndiaReported employees: 51-200 | Ahmedabad, India | 51-200 | Exact match | 119 contacts → |
“Prolific Research Private Limited is a global market research, data collection, and survey programming agency founded in 2011 in Ahmedabad, India.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 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. | |||||
| 25 | Focus Forwardfocusfwd.com HQ: Wayne, PA, United StatesReported employees: 11-50 | Wayne, PA, United States | 11-50 | Exact match | 116 contacts → |
“From nationwide recruiting & online sample services to coding, transcription, client list management and incentive processing, our expert team is all in.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,840 company matches
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In-depth interview specialists: 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
1,831 records in the displayed employee bands.
9 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 1,840 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 specialists by location
14 lists · largest firstEvery In-depth interview specialists list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- In-depth interview specialists based in the United States439
- In-depth interview specialists based in the United Kingdom241
- In-depth interview specialists based in India168
- In-depth interview specialists based in Brazil66
- In-depth interview specialists based in Germany56
- In-depth interview specialists based in Australia52
- In-depth interview specialists based in Canada52
- In-depth interview specialists based in France51
- In-depth interview specialists based in Spain39
Cities
- In-depth interview specialists based in London, United Kingdom93
- In-depth interview specialists based in New Delhi, India40
- In-depth interview specialists based in Sao Paulo, Brazil35
- In-depth interview specialists based in Mumbai, India30
- In-depth interview specialists based in New York, United States29
Questions about this company list
What does Exact match mean for in-depth interview specialists?
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 specialists did RevenueBase find worldwide?
The saved snapshot records 1,840 matching company records, 20,097 tracked contacts and 4,528 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 specialists worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/in-depth-interview-specialists.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗