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Compare · CSGP vs RELX

CSGP vs RELX

Side-by-side comparison of CoStar Group Inc. (CSGP) and RELX PLC PLC (RELX): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both CSGP and RELX operate in Real Estate (Real Estate), so they compete in similar markets.
  • RELX is the larger of the two at $64.11B, about 4.6x CSGP ($13.84B).
  • Over the past year, CSGP is down 57.0% and RELX is down 33.7% - RELX leads by 23.3 points.
  • CSGP has been more active in the news (13 items in the past 4 weeks vs 3 for RELX).
  • CSGP has more recent analyst coverage (25 ratings vs 12 for RELX).
PerformanceCSGP-57.04%RELX-33.75%
2025-06-09+0.00%2026-06-05
MetricCSGPRELX
Company
CoStar Group Inc.
RELX PLC PLC
Price
$33.89+0.71%
$35.14+1.97%
Market cap
$13.84B
$64.11B
1M return
-0.44%
-1.71%
1Y return
-57.04%
-33.75%
Industry
Real Estate
Real Estate
Exchange
NASDAQ
NYSE
IPO
1998
2015
News (4w)
13
3
Recent ratings
25
12
CSGP

CoStar Group Inc.

CoStar Group, Inc. provides information, analytics, and online marketplace services to the commercial real estate, hospitality, residential, and related professionals industries in the United States, Canada, Europe, the Asia Pacific, and Latin America. It offers CoStar Property Professional that provides inventory of office, industrial, retail, and multifamily, and student housing properties and land; CoStar COMPS Professional, which covers comparable commercial real estate sales information; CoStar Market Analytics to view and report on aggregated market and submarket trends; and CoStar Tenant, an online business-to-business prospecting and analytical tool that provides tenant information. The company also provides CoStar Lease Comps, a tool to capture, manage, and maintain lease data; CoStar Lease Analysis, a workflow tool; CoStar Public Record, a searchable database of commercially-zoned parcels; CoStar Real Estate Manager, a real estate and asset management, and lease accounting software; and CoStar Risk Analytics and CoStar Investment Analysis that provides market research, consulting and analysis, portfolio and debt analysis, and management and reporting services, as well as STAR Report that offers benchmarking and analytics services. In addition, it offers apartment marketing sites, such as Apartments.com, ApartmentFinder.com, ForRent.com, ApartmentHomeLiving.com, Apartamentos.com, AFTER55.com, CorporateHousing.com, ForRentUniversity.com, Westside Rentals, and Off Campus Partners; LoopNet Premium Lister; LoopNet Diamond, Platinum, and Gold Ads; LandsofAmerica, LandAndFarm, and LandWatch for rural land for-sale; BizBuySell.com, BizQuest.com, and FindaFranchise.com for operating businesses and franchises for-sale; Ten-X, an online auction platform for commercial real estate; and HomeSnap, an online and mobile software platform. The company was founded in 1987 and is headquartered in Washington, the District of Columbia.

RELX

RELX PLC PLC

RELX PLC provides information-based analytics and decision tools for professional and business customers in North America, Europe, and internationally. It operates through four segments: Scientific, Technical & Medical; Risk; Legal; and Exhibitions. The Scientific, Technical & Medical segment provides information and analytics that help institutions and professionals to progress in science and advance healthcare. The Risk segment offers information-based analytics and decision tools that combine public and industry specific content with technology and algorithms to assist clients in evaluating and predicting risk. The Legal segment provides legal, regulatory, and business information and analytics that help customers in decision-making, as well as enhance the productivity. The Exhibitions segment is involved in the events business. The company was formerly known as Reed Elsevier PLC and changed its name to RELX PLC in July 2015. The company was incorporated in 1903 and is headquartered in London, the United Kingdom.