How to Use Expert Networks in Consulting
An expert network connects people who need answers with people who have lived the answer firsthand. A consultant preparing a market entry study can call a former country manager who ran distribution in that exact market for a decade.
That direct line to practitioner experience is why expert networks are now a common research tool in consulting, alongside desk research and client interviews. Providers such as GLG, AlphaSights, Guidepoint, Third Bridge, Dialectica, and Nexus Expert Research each connect clients with vetted professionals for paid, compliant calls on specific topics.
What Is an Expert Network?
At its core, an expert network is a matching service. A client submits a brief describing what they need to learn, and the network’s research team identifies practitioners, often former executives or technical specialists, who match that brief and are willing to speak.
The call is paid, time-bound, and built around a specific set of questions rather than an open-ended relationship. This gives consultants a way to reach people a cold LinkedIn message or a client introduction would rarely surface.
Why Consultants Use Expert Networks
Consulting work runs on tight deadlines and thin margins for error, and a wrong assumption early in a project can cost weeks of rework later. Talking to a practitioner closes that gap faster than almost any other research method available.
A single call with a career practitioner can replace days of scattered reading on a niche vertical, and scheduling that call is often faster than running a survey or fieldwork program. Expert networks also open doors to former executives and technical specialists who are otherwise hard to find or unwilling to speak without a formal, compliant channel. The payoff shows up at the end too: a recommendation grounded in a firsthand account holds up better under client scrutiny than one built on public reports alone.
Common Consulting Projects That Use Expert Networks
Expert calls turn up across nearly every kind of consulting mandate, from a quick sprint to a multi-month transformation program, most often on the types of work below.
| Project Type | How Expert Networks Help |
|---|---|
| Commercial due diligence | Verifying a target’s market position and customer relationships before a deal closes |
| Market entry research | Understanding local regulation and buyer behavior before a client commits capital |
| Competitive intelligence | Tracking how rivals price and position their offerings |
| Strategy consulting | Pressure testing a growth thesis against people who work in the space daily |
| Digital transformation | Learning how similar organizations sequenced technology rollouts and where they stalled |
| Healthcare consulting | Reaching clinicians and former regulators on questions public data cannot answer |
How Expert Network Calls Work
The mechanics behind an expert call stay fairly consistent across providers, even though tools and turnaround times vary. It starts with matching, where the network’s research team searches its database or sources new candidates against the consultant’s brief.
Once a shortlist gets approved, calls can often be scheduled quickly, sometimes within a few days. Before the call, most consultants prepare a short discussion guide of open-ended questions, keeping the conversation focused and the answers comparable across multiple experts. The interview itself runs for a defined length of time and is typically recorded or transcribed with consent.
Compliance runs through every stage of this process: providers screen experts for conflicts and confidentiality restrictions, and consultants must steer clear of material nonpublic information, a rule the SEC continues to enforce closely.
Using Expert Networks Throughout a Consulting Engagement
Expert access rarely stays a one-time step. Early in a project, calls help a team frame the real question before committing to an approach, and as the work progresses, further conversations test whether an emerging thesis matches what practitioners see on the ground.
Dedicated interview programs then build the evidence base a report rests on, and the resulting expert quotes and data points give a client recommendation practical grounding. By the time a project reaches the executive presentation, a well-placed expert anecdote often does more to convince a skeptical steering committee than another slide of charts.
Expert Network Research vs Traditional Research
Consultants rarely rely on one research method alone, and knowing when to reach for an expert call instead of a survey matters as much as running the call itself. The comparison below breaks down how the main methods stack up.
| Method | Speed | Best For |
|---|---|---|
| Secondary research | Fast to read, but the underlying reports move slowly | Establishing a baseline from analyst reports and public filings |
| Surveys | Slower to field and analyze | Quantifying opinion across a large group |
| Primary interviews | Slower to arrange | Structured conversations with named client stakeholders |
| Expert network calls | Fast to schedule and run | A firsthand, unscripted account from someone outside the client’s circle |
How Boutique Consulting Firms Benefit
Boutique firms rarely carry the bench strength of a global consultancy, and that gap is exactly where expert networks help most. A small firm can often reach a former plant manager or a regional distributor quickly, without carrying that expertise on payroll.
This narrows the competitive gap on pitches and opens up projects in industries the firm has not staffed before, giving boutique shops a practical way to compete for mandates that would otherwise require a much larger bench, a pattern Nexus Expert Research has also observed among its boutique and mid-market advisory clients.
Expert Networks for PE and Commercial Due Diligence
Private equity deal teams and the consultants who support them run on compressed timelines, often with only weeks between an indication of interest and a bid deadline. Expert calls let a deal team speak with former employees and market contacts of a target company to sanity check management’s narrative before capital moves.
This kind of practitioner-level context helps explain why recent estimates place the expert network market at roughly $3 billion in 2025. Commercial due diligence teams often run multiple expert calls per target to build a rounded view of its competitive position.
Choosing the Best Expert Network for Consultants
No single provider fits every mandate, and the right choice usually comes down to a handful of practical factors rather than brand recognition alone. Industry specialization matters most when a network has deep bench strength in a client’s exact sector, saving sourcing time before a call gets scheduled. Compliance runs a close second, since rigorous screening and clear policies on nonpublic information protect both the consultant and the client.
Expert quality shows up in the answers themselves, since vetted, currently active practitioners produce sharper insight than a recycled database entry. Speed matters most on short-fuse engagements, where same-day or next-day scheduling can save a project’s timeline, and global reach becomes essential on multi-market work that needs local sourcing rather than a handful of English-speaking contacts.
GLG Alternatives for Consultants
GLG built much of the modern expert network category, but several providers now compete closely on price, speed, or specialization.
| Provider | Known For |
|---|---|
| Guidepoint | A major expert network provider that works well for high-volume call programs |
| AlphaSights | Rapid sourcing, a common choice among consulting-adjacent deal teams |
| Third Bridge | Expert calls alongside a library of research content |
| Dialectica | Tight, consulting-style research across European and North American markets |
| Nexus Expert Research | Pay-per-engagement, custom-sourced experts for each brief rather than a static database |
Best Practices for Successful Expert Calls
A strong discussion guide is the single biggest factor in a productive call, since open-ended questions surface more than a checklist of yes-or-no items ever could. Consultants get the most value when they let the expert talk first and save pointed follow-ups for later.
Running several calls on the same topic before drawing conclusions catches outlier opinions, and documenting each call immediately keeps a project’s evidence base accurate as the engagement moves forward.
Frequently Asked Questions
How much does an expert network call cost?
Rates vary by provider and by the seniority of the expert.
Are expert network calls legal?
Yes, when experts are screened for conflicts and calls stay clear of material nonpublic information, a standard every reputable provider enforces.
How long does it take to get on a call with an expert?
Turnaround is often fast, depending on how niche the topic is.
Can boutique consulting firms afford expert networks?
Pay-per-engagement pricing, offered by several providers, lets smaller firms use expert calls without committing to an annual subscription.
Ready to put practitioner insight behind your next engagement? Get in touch with Nexus Expert Research for custom-sourced experts matched to your exact brief.
