When was GLG founded?

GLG was founded in 1998 and became a unicorn in 2015, reaching the milestone in 17 years. It raised its 1st funding round 6 years after its incorporation.

Where is GLG located?

GLG is headquartered in New York City, United States.

How many employees does GLG have?

As of May 31, 2026, the latest employee count at GLG is 12244.

Is GLG a funded company?

GLG is a funded company, having raised a total of $442M across 3 funding rounds to date. The company's 1st funding round was a $30M Series B round, raised on 2004.

When was the latest funding round of GLG?

GLG's latest funding was a $212M Series E round on Dec 21, 2015, with participation from 1 investor. Its primary sector is Data as a Service. In United States, the Data as a Service sector has seen $732M in funding in 2026 to date.

Is GLG a Data as a Service company?

The primary sector of GLG is Data as a Service.

Where does GLG rank among its competitors?

GLG ranks 1st amongst 22 active competitors, of which 11 are funded. It stands 1st in terms of total funding among its competitors. The most recent competitor to raise funding was proSapient, which secured $35.6K in Feb, 2026.

Who are the top competitors of GLG?

GLG's top competitors include Third Bridge, Arbolus and NewtonX. Among them, proSapient secured the most recent funding round in February, 2026.

GLG - 2026 Company Profile, Team, Funding & Competitors

Company Details

Provider of network consulting services. It offers a technology platform that connects professionals with industrial, media, life sciences, private equity, hedge funds, and law sectors. Its experts include asset managers, consultants, physicians, engineers, senior executives, and former government officials.

Website: glginsights.com
Social
Phone Number: +1 **********

Key Metrics

Founded Year

1998

Location

New York City, United States

Stage

Series E

Total Funding

$442M in 3 rounds

Latest Funding Round

Series E, Dec 21, 2015, $212M

Investors

Bessemer Venture Partners & 8 more

Ranked

1^st among 22 active competitors

Employee Count

12,244 as on May 31, 2026

Investment & Acquisitions

Allica Bank & 4 more

Similar Companies

Third Bridge & 20 more

View GLG's full profile

GLG is associated with 5 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
GERSON LEHRMAN GROUP INDIA PRIVATE LIMITED CIN: U72200HR2006PTC036030 , India, Active	Feb 02, 2006	₹100 - ₹500 Cr (As on Mar 31, 2025)	565 (As on Aug 31, 2025)
GERSON LEHRMAN GROUP INC CIN: 13-4101226 , United States, Active	Dec 31, 1997	-	1377 (As on Dec 31, 2024)	-
GERSON LEHRMAN GROUP, INC. CIN: 134101226 , United States, Active	Jan 26, 2000	-	1253 (As on Dec 31, 2024)	-
GERSON LEHRMAN GROUP LIMITED CIN: 4593813 , United Kingdom, Active	Nov 18, 2002	-	296 (As on Dec 31, 2024)
GERSON LEHRMAN GROUP (AUSTRALIA) PTY LTD CIN: 107522341 , Australia, Active	Jan 04, 2004	-	-

GLG has raised a total funding of $442M over 3 rounds. Its first funding round was on 2004. Its latest funding round was a Series E round on Dec 21, 2015 for $212M. 1 investor participated in its latest round. GLG has 9 institutional investors.

Here is the list of recent funding rounds of GLG:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Dec 21, 2015	$212M	Series E	-	-	SFW Capital Partners	-
2008	$200M	Series D	-	-	Silver Lake	-
2004	$30M	Series B	-	-	Bessemer Venture Partners	-

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View details of GLG's funding rounds and investors

The founders of GLG are Mark Gerson and Thomas D Lehrman. Gemma Postlethwaite is the CEO of GLG.

Here are the details of GLG's key team members:

Mark Gerson: Co-Founder of GLG and founder of 3 other companies, 3i, Glg and Voray.
Contact Info: 1 email address
Thomas D Lehrman: Co-Founder of GLG.
Contact Info: 1 email address
Gemma Postlethwaite: CEO of GLG.

GLG's Board of Directors

GLG's board has 2 active members. Raman Rishi Sahni and John Michael Engles are independent board members.

Here is the list of GLG's board of directors:

Name	Type	Representing	Status	Duration
Raman Rishi Sahni	Independent board member	-	Current	9y 3m
John Michael Engles	Independent board member	-	Current	11y 5m

View details of GLG's Founder profiles and Board Members

GLG's employee count trend

GLG has 12,244 employees as of May 26. Here is GLG's employee count trend over the years:

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Top competitors of GLG include Third Bridge, Arbolus and NewtonX. Here is the list of Top 10 competitors of GLG, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	GLG 1998, New York City (United States), Series E	Provider of network consulting services	$442M	Silver Lake, Cohesive Capital & 7 others	70/100
2nd	Third Bridge 2007, London (United Kingdom), Series A	Global investment research firm	$5.09M	IK Partners, HarbourVest Partners & 5 others	63/100
3rd	Arbolus 2019, London (United Kingdom), Series B	Cloud and AI-based enterprise social platform	$41M	13books Capital, Plug and Play Tech Center ... & 19 others	59/100
4th	NewtonX 2016, New York City (United States), Series B	AI-powered knowledge marketplace for corporates	$47M	Xfund, Third Prime & 16 others	56/100
5th	VisasQ 2013, Tokyo (Japan), Public	Provider of interview arrangement services	$2.89M	DCM Ventures, CyberAgent Capital & 5 others	54/100
6th	Guidepoint 2003, New York City (United States), Unfunded	Expert consulting solution provider	-	-	53/100
7th	proSapient 2017, London (United Kingdom), Series A	Network of experts providing insights for investment and consulting professionals	$18M	24 Haymarket, Smedvig Capital & 39 others	53/100
8th	Atheneum 2010, Berlin (Germany), Series C	Network connecting industry professionals with researchers for primary data collection	$174M	Guidepost Growth Equity, Crosslantic Capital ... & 10 others	49/100
9th	Tegus Acquired	Provider of expert transcripts and financial models for institutional research	$112M	Positive Sum, Oberndorfenterprises.com & 4 others	49/100
10th	Nextyn 2018, Mumbai (India), Unfunded	Network of industry experts providing primary research and consulting services	-	-	42/100

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GLG has not made any acquisitions yet. GLG has made 5 investments.

Here is the list of latest three $investments:

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Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Feb 24, 2026	Investments	Allica Bank	2019	London (United Kingdom)
Sep 23, 2020	Investments	Thoropass	2019	New York City (United States)
Sep 21, 2016	Investments	Imbellus	2016	Los Angeles (United States)