Arbolus is the customer-led alternative to GLG. Where GLG is a large, generalist expert network built around commissioned one-to-one calls, Arbolus gives investors and consultants the proprietary Voice of the Customer: named, attributable buyer insights on the B2B tech companies you are diligencing, with expert calls available when you need them. Here is how Arbolus compares to GLG, and why deal teams choose Arbolus.
Book a demoBoth connect you to people who can inform an investment or strategy decision. The difference is the starting point. GLG is built around sourcing individual experts for paid calls across every sector. Arbolus is built around an always-on library of attributable B2B software buyer insight, with expert calls, async video Q&A and surveys layered on top.
If you simply need to talk to an expert in any field, a large network is a reasonable route. If your decision turns on what a software product's actual customers think, and you want that evidence on demand and attributable, that is where Arbolus is purpose-built.
Arbolus is a B2B customer-insights platform and modern expert network built for private equity, consulting and corporate strategy teams. Rather than starting every project from a blank sourcing brief, Arbolus captures the Voice of the Customer directly: proprietary, attributable insight from the buyers and users of the software you are evaluating, across a library of more than 20,000 private tech companies.
That focus makes Arbolus a natural GLG alternative for anyone whose thesis hinges on product-market fit, retention and competitive moats. The platform pairs an always-on library with tools to collect fresh insight on demand.
The Arbolus Library lets you track companies and read verified customer insights with no project required, supported by company reports and a video insights library that keep updating as new buyer feedback arrives.
With Canopy you send preset questions to a pool of relevant buyers and receive structured video or text answers within hours, so you never wait days for a scheduled call.
When you need to go deeper, Calls handles screening, scheduling and AI transcripts, while Surveys and Panels reach your target sample quickly with fully attributable responses.
GLG, or Gerson Lehrman Group, is one of the largest expert networks in the world. It connects clients across many industries to a vast pool of individual experts for paid one-to-one consultations, typically arranged as scheduled phone calls.
For broad, all-sector expert sourcing at scale, that reach is hard to match. But the model is built around commissioned calls rather than a proprietary library of customer insight. Each engagement tends to start from scratch, experts are sourced individually rather than drawn from a standing panel of a company's buyers, and there is no structured layer of attributable spend and renewal data to return to between calls.
GLG sources individual experts across every sector. Arbolus is built around the buyers and users of B2B software, the perspective that commercial due diligence on a software company depends on.
GLG engagements typically start from a fresh sourcing brief. Arbolus gives you a standing library of attributable buyer insight you can read immediately, then extend with new answers on demand.
Beyond the conversation, Arbolus attaches structured NPS, spend and renewal signals to a specific company, so the evidence compounds rather than living only in individual call transcripts.
GLG is a broad, generalist network. Arbolus does one thing exceptionally well: customer insight on B2B tech for investors and consultants.
If your work depends on understanding a software company's customers, not just booking expert calls, Arbolus is the stronger choice:
Is Arbolus a good GLG alternative?
Yes. Arbolus is a customer-led alternative to GLG, built for investors and consultants who need named, attributable buyer evidence on B2B software, with expert calls available alongside an always-on library.
What is the main difference between Arbolus and GLG?
GLG is a large, generalist expert network organised around commissioned one-to-one calls. Arbolus is built around a proprietary library of attributable B2B buyer insight, with calls, async video Q&A and surveys layered on top.
Does Arbolus offer expert calls like GLG?
Yes. Arbolus offers expert calls with screening, scheduling and AI transcripts, alongside Canopy video Q&A, surveys and panels, all in one workspace.
Does Arbolus cover public and private companies?
Arbolus is built for B2B software, with its deepest coverage of private, mid-market companies in the $10M to $100M ARR range, where network sourcing and analyst data tend to be thin.
How quickly can I get answers?
Often straight away. Verified buyer insights can be read on demand, and async video Q&A returns answers without waiting to schedule a live call.
Find out what your target's customers really think, before your first expert call.
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