Companies beginning with C:
C R Market Surveys
C Research - aka Centaur Research
C Space
C+R Research
C.A. Walker Research Solutions, Inc.
C8C.ai
Cadent
Caden
CafeMedia - rebranded as raptive
CallMiner
Cambiar
CambridgeMR
Camille Market Insight Limited
Campbell Rinker
Campden BRI
Candid
Cannabiz Consumer Group
Canvas8
Canvs.ai
Capillary Technologies
Capillary Technologies
Capstone Research, Inc.
Captify
Captiv8 - part of Publicis since May '25
Capture, Inc.
Carat Insight Ltd
CARMA
Carol Raithatha Ltd
Caroline Thompson Associates
Carrick James Market Research
CarterJMRN KK (Japan)
Cartology - a data division of retailer Woolworths in Aus
CARTO
Cassandra
Catalina
Catalyx
Cegedim Strategic Data
Cello Health - merged with others to form Lumanity March '22
Centaur Research
CenterCode
Cerebra Acquired by Tydo in September 2022
Cerner Enviza - now Oracle Life Sciences
Cetas Healthcare Pte Ltd
CFI Group
CFM Group
Chadwick Martin Bailey
Chainalysis
Channel Factory
Charlton Insights - acquired by YouGov
Chattermill
Checkealos
CheckMarket
ChildWise
CHN Analytics - now known as North.ai
Chris Braithwaite Associates
Christian Research
Chrysalis Research
Cicero Group
CIENCE
CIESMORI - acquired by Ipsos
Cimigo India Pvt. Ltd.
Cinchy
CinemaCloudWorks
Cint
Cipolla Analytics - site not found 2/25
Circana
Cision
Cision
Citeline, a Norstella company, and previously Pharma Intelligence, part of Informa
Citigate Dewe Rogerson
Citizen Me - site not found Sept 24
Civica Election Services
CiviCom ThoughtLight
CivicScience
Civis Analytics
Claret-uk
Clarifai
Clarity Stack Limited - site not found
Clarivate Analytics
Clari
Clarocision Research & Marketing
Clayton Reed Associates
Clear Market Intelligence Ltd
Clear Strategy - an M&C Saatchi firm
ClearB2b
ClearBit by Hubspot
ClearBox - now part of Crisp
Clearcast
Clearsense
Clearstate
Cleartelligence
Clearview AI
CleverTap
Clevertouch Consulting
ClicData
Click-RH
ClickHouse
Client Opinions, Inc.
Cloaked
Cloud Army
Cloud4Wi
Cloudera
Clusters Ltd
CM Research Ltd
CMNTY
CMR (Creative Medical Research) - site not found 2/25
CMRGroup.Com Ltd
CNMS
Cobalt Sky
Cocreate Consulting Pvt Ltd
codeit
COG Research
Coginiti
Cognative Ltd.
Cogniges inc.
Cognigy
Cognisant Research - site not found 3/25
Cognitive3D
Cognitive
Cogwheel
Cohere.AI
Coherent Market Insights
Coin Metrics
Coinfeeds
Coleman Insights
Collabito
Collage Group
Collibra
Commetric
Communications Media Inc. (CMI)
Community Research
Compton+Dean
comScore, Inc.
Concentrix
Concept Sauce
Conclave Research
Concord USA
Conductrics
Conical Ltd
conjoint.ly
Conjura
Conquer.io - a portfolio company of Camden Partners
Consumer Canvas - a brand of NIQ and MRI-Simmons
Consumer Centers of New York and New Jersey
Consumer Centric Solutions LLC
Consumer Edge
Consumer Insight
Content Science - part of The next Practice Group
Contentsquare
Continue AI - site not found 1/25
Contlo
Converseon
Conviva
Cooee
Cooler Screens
CoolTool
Cordial
Core Research
Corelogic
Corona Insights
Corus
Costar Group
Course5i
Covo Intelligence
Cragg Ross Dawson
Crayon
CrazyEgg
cre8ive.net
Creative Medical Recruit (CMR) - company closed
CreativeX
CreatorIQ
Creditntell - rebranded into retailstat.com
CRG Global, Inc.
CRIS by Delvinia
Crisp
Criteo
Criteria Qualitative Fieldwork
Critical Research
CRNRSTONE - includes Stable Research
Cross-Tab Marketing Services Pvt Ltd
Crowd DNA
CrowdTangle
Crowdtech
Crownpeak
Crunchr
Cryptonary
CSG
CSM Media Research
CSR International
CSR Research
CSS Solutions Ltd
CSS/Datatelligence, Inc
Cubery
Culture Amp
Culture of Insight
Culture Republic
CultureVerse - part of Think HQ
Cupli Surveys Inc.
Curion
Custology Insights - part of BVA BDRC until May '25, now independent
Customer Care Research
Customer Champions Limited
Customer Foresight
Customer Guru
CustomerGauge
Customerville / IFS
Cyara
Cymetrix - owned by Wondrlab
Cynthia.io - company closed
Cypris