Join

Compare · ACIW vs FISV

ACIW vs FISV

Side-by-side comparison of ACI Worldwide Inc. (ACIW) and Fiserv Inc. (FISV): market cap, price performance, sector, and recent activity on the wire.

Summary

  • ACIW operates in Technology, while FISV operates in Real Estate - the two are in different parts of the market.
  • FISV is the larger of the two at $29.03B, about 6.7x ACIW ($4.35B).
  • Over the past year, ACIW is down 10.4% and FISV is down 67.4% - ACIW leads by 57.0 points.
  • FISV has been more active in the news (17 items in the past 4 weeks vs 11 for ACIW).
  • FISV has more recent analyst coverage (25 ratings vs 8 for ACIW).
PerformanceACIW-10.43%FISV-67.39%
2025-06-09+0.00%2026-06-05
MetricACIWFISV
Company
ACI Worldwide Inc.
Fiserv Inc.
Price
$42.80+0.98%
$54.42-3.21%
Market cap
$4.35B
$29.03B
1M return
-1.14%
-2.93%
1Y return
-10.43%
-67.39%
Industry
Computer Software: Prepackaged Software
Real Estate
Exchange
NASDAQ
NASDAQ
IPO
1986
News (4w)
11
17
Recent ratings
8
25
ACIW

ACI Worldwide Inc.

ACI Worldwide, Inc., a software company, develops, markets, installs, and supports a range of software products and solutions for facilitating electronic payments to banks, financial intermediaries, merchants, and billers worldwide. The company offers ACI Acquiring, a merchant management system to deliver digital innovation, improve fraud prevention, and reduce interchange fees; ACI Issuing, a digital payments issuing solution; and ACI Enterprise Payments Platform that provides payment processing and orchestration capabilities for digital payments. It also provides ACI Low Value Real-Time Payments, a platform for processing real-time payments; and ACI High Value Real-Time Payments, a payments engine that offers multi-bank, multi-currency, 24x7 payment processing, and SWIFT messaging. In addition, the company offers ACI Omni Commerce, a scalable, omni-channel payment processing platform; ACI Secure eCommerce solution; ACI Fraud Management, a real-time approach to fraud management; ACI Digital Business Banking, a cloud-based digital banking platform; and ACI Speedpay, an integrated suite of digital billing, payment, disbursement, and communication services. The company offers electronic bill presentment and payment services to consumer finance, insurance, healthcare, higher education, utility, government, and mortgage sectors; implementation services, including product installations and configurations, and custom software modifications; and business and technical consultancy, on-site support, product education, and testing services, as well as distributes or acts as a sales agent for software developed by third parties. It markets its products under the ACI Worldwide brand. The company was formerly known as Transaction Systems Architects, Inc. and changed its name to ACI Worldwide, Inc. in July 2007. The company was founded in 1975 and is headquartered in Naples, Florida.

FISV

Fiserv Inc.

Fiserv, Inc., together with its subsidiaries, provides payment and financial services technology worldwide. The company operates through Acceptance, Fintech, and Payments segments. The Acceptance segment provides point-of-sale merchant acquiring and digital commerce services; mobile payment services; security and fraud protection products; Carat, an omnichannel commerce solution; and Clover POS, a cloud-based point-of-sale solution. This segment distributes through various channels, including direct sales teams, strategic partnerships with agent sales forces, independent software vendors, financial institutions, and other strategic partners. The Fintech segment offers customer deposit and loan accounts, as well as manages an institution's general ledger and central information files. This segment also provides digital banking, financial and risk management, cash management, professional services and consulting, item processing and source capture, and other products and services. The Payments segment offers card transactions, such as debit, credit, and prepaid card processing and services; security and fraud protection products; card production; print services; and various network services, as well as non-card digital payment software and services, including bill payment, account-to-account transfers, person-to-person payments, and electronic billing products. It serves business, banks, credit unions, other financial institutions, merchants, and corporate clients. The company was incorporated in 1984 and is headquartered in Brookfield, Wisconsin.

Latest ACIW

Latest FISV