Question 1

What does ADP do?

Accepted Answer

ADP provides business outsourcing solutions that facilitate businesses in HR, payroll, and administration processes.

Question 2

In what sectors does ADP operate?

Accepted Answer

ADP operates in Bookkeeping and Payroll, Consulting, Human Resources, Outsourcing, Payments.

Question 3

How many companies has ADP acquired?

Accepted Answer

ADP has made 31 acquisitions between 2001-2025, with a total disclosed deal value of $2.8B.

Question 4

What companies are owned by ADP?

Accepted Answer

Companies acquired by ADP include Pequity, WorkForce Software, Sora, Securax Tech Solutions, Celergo, WorkMarket, The Marcus Buckingham Company, Payroll S.A., and 23 more.

Question 5

What are ADP's major acquisitions?

Accepted Answer

ADP's largest acquisitions include WorkForce Software ($1.2B, 2024), ProBusiness Services, Inc. ($500M, 2003), Cobalt ($405M, 2010), The Cobalt Group ($400M, 2010).

Question 6

What is ADP's largest acquisition?

Accepted Answer

ADP's largest disclosed acquisition is WorkForce Software for $1.2B (2024).

Question 7

What was ADP's first acquisition?

Accepted Answer

ADP's first recorded acquisition was Avert, Inc. in 2001.

Question 8

What was ADP's most recent acquisition?

Accepted Answer

ADP's most recent acquisition is Pequity, announced October 2025.

Question 9

What is the average deal size for ADP acquisitions?

Accepted Answer

The average disclosed deal size for ADP acquisitions is $561M.

Question 10

What is the median deal size for ADP acquisitions?

Accepted Answer

The median disclosed deal size for ADP acquisitions is $405M. The median is often lower than the average because a few very large deals pull the average up.

Question 11

How much has ADP spent on acquisitions?

Accepted Answer

ADP has spent at least $2.8B across its disclosed acquisitions (of 31 total deals; some prices are undisclosed).

Question 12

Which sector has ADP spent the most on?

Accepted Answer

ADP has committed the most disclosed capital to Management Information Systems companies — about $1.5B across its deals in that sector.

Question 13

What sectors does ADP usually acquire in?

Accepted Answer

ADP most frequently acquires companies in Software, Human Resources, Information Technology.

Question 14

In which sector has ADP made the most acquisitions?

Accepted Answer

ADP has made the most acquisitions in the Software sector.

Question 15

In which year did ADP make the most acquisitions?

Accepted Answer

ADP made the most acquisitions in 2011, with 4 deals.

Organization Name	Funding Type			Lead Investor Names	Org Hq Country

Acquiree Name			Acquirer Name	Acquiree Industries	Acquiree Hq Country
Pequity	—	2025-10-29	ADP	Human Resources Information Technology Software	United States
WorkForce Software	$1.2B	2024-10-15	ADP	Computer Employee Benefits Human Resources Management Information Systems Scheduling	United States
Sora	—	2023-08-03	ADP	Human Resources Small and Medium Businesses Software	United States
Securax Tech Solutions	—	2023-01-18	ADP	Information Technology Real Time	India
Celergo	—	2018-08-01	ADP	Bookkeeping and Payroll Compliance Enterprise Software Local Outsourcing	United States

Datasets

Top Companies

Top Industries

Years (1990-2026)

ADP

About ADP

Funding & Financials

Web Traffic

Company Info

ADP Funding Rounds

ADP Acquisitions

Explore 200,000+ acquisitions — free

Need the data in bulk? Buy the entire dataset.

FAQs about ADP

People who checked this page also checked these