A single expert call can change the trajectory of an entire deal. The right voice on the other end of the line, a former customer who switched vendors last quarter, a competitor's ex-VP of sales, a procurement lead inside a target account, can surface insight that no market report or dashboard will ever capture. But here is the uncomfortable truth most deal teams will not admit. Five expert calls at one thousand dollars each give you five individual opinions. Valuable, perhaps. Defensible before an investment committee? Rarely. Expert calls are structurally powerful for depth, and structurally weak for breadth. You hear the loudest, most available voices, not the representative ones. You collect anecdotes, not patterns, and pay a premium for the privilege. GrapeData was built to close that gap. Before you pick up the phone, we put verified survey data in your hands: responses from fifty, one hundred or three hundred professionals drawn from our proprietary panel, each authenticated against their LinkedIn profile and quality-checked by VerifAI, our AI-powered data quality engine. You see the patterns first. Then, and only then, you call the respondents who matter most, turning a generic expert conversation into a surgical follow-up grounded in evidence.
Traditional expert networks charge per call and hope the five voices you reach are broadly representative of the market you are trying to understand. GrapeData starts somewhere different. We start with a verified quantitative sample, then escalate to live calls with the specific respondents whose answers you want to probe further. Every respondent on the GrapeData panel is authenticated against their LinkedIn profile before they can respond to a single survey. This means the person answering is demonstrably who they say they are, in the role they say they are in, at the company they say they work for. VerifAI then screens response patterns in real time to remove fraudulent, duplicate or inconsistent answers. The result is a set of expert calls grounded in evidence rather than anecdote. You see the pricing elasticity, the churn triggers, the competitive dynamics and the market share shifts at a statistically useful sample size, then you dial into the handful of respondents whose perspectives warrant deeper exploration.
The GrapeData workflow compresses research timelines and eliminates the fragmented procurement cycle that plagues traditional deal-support research. Instead of buying survey access from one vendor and expert calls from another, the entire process runs inside a single engagement. This workflow eliminates the weeks typically lost to re-briefing, re-recruitment and re-screening between survey and call phases.
Step one: agree the decision the research needs to inform.
Field a statistically robust survey to the verified panel.
Real-time visibility into fieldwork as responses come in.
See the statistical signal before you pick up the phone.
Book calls with the specific respondents whose answers matter most.
GrapeData delivers the same calibre of respondents, plus statistical breadth, plus the option to call them, at a fraction of typical expert network rates. For private equity due diligence, this structural advantage turns a generic expert conversation into a surgical follow-up grounded in verified data. For strategy consultancies, it replaces the need to stitch together panel access and expert calls from three or four different providers.
Example: a 200-respondent survey doesn't stop at a slide deck: the five most insightful respondents are available for one-to-one calls within days.
Expert networks such as GLG, AlphaSights, Dialectica, proSapient and NewtonX specialise in one-to-one calls at a premium price. Their model works when you need a single highly specific voice. It breaks down when you need statistical breadth, multi-stakeholder perspectives, or simply faster, more cost-effective access to senior experts.
GrapeData expert calls are used across the full spectrum of high-stakes B2B decisions. Private equity firms rely on them during commercial due diligence to pressure-test investment theses, validate customer demand and benchmark management quality against peers. Strategy consultancies use them for market sizing, competitive positioning and client-facing research deliverables. Corporate strategy and corporate development teams use GrapeData expert calls to inform acquisition targets, new market entries and product launches. Product and marketing leaders use them to validate positioning, messaging and pricing before commitments become expensive. In every case, the same core principle applies: verified respondents first, live conversation second.
LinkedIn-verified professionals across 90+ countries
not built on third-party aggregators or shared databases
AI-powered screening on every response
the full sequence inside a single engagement
through the GrapeVine dashboard
across B2B buying committees
from scoping through to insight delivery
a fraction of typical expert network rates
Project briefing, questionnaire design and target scoping.
LinkedIn-authenticated professionals, VerifAI-screened.
Statistically robust results before a single call is booked.
One-to-one expert calls with your most insightful respondents.
Book verified expert calls with respondents who match your target profile. Let's scope your study.
