Company

Have a question?

Ascent welcomes the opportunity to answer any questions or concerns that may arise. We would love to hear from you today!

Welcome to Ascent

Founded in 1998 and headquartered in St. Louis, Ascent is a leading provider of solutions for the design, engineering, construction and operation of data centers and other mission critical facilities. With a team of highly experienced industry experts, we partner with clients to provide powerful, flexible and truly customized solutions across the full life cycle of a facility to empower customers to reduce risk, optimize spend and gain more control over their environment.

Our full spectrum of data center services include:


Our clients comprise some of the most demanding critical organizations, which span multiple industries, FORTUNE 500 firms and service providers. We provide these clients with innovative solutions and services yielding the highest levels of operational autonomy, efficiency and control.

To learn more about Ascent, please contact us.

History of Ascent

1998

1998

Phil Horstmann launches Ascent to help customers manage and maintain mission critical equipment.

1999

1999

Robert Painter, currently President and co-owner of Ascent, joins the team in an engineering and construction management role.

2000

2000

Jamie Lester, currently Vice President of Finance and co-owner of Ascent, joins the team in an accounting and administration role.

Ascent introduces Engineering, Project Management and Construction services to support customer demand.

2002

2002

Engineering and data center site staffing services bring 25 new positions to the Ascent team.

2003

2003

Ascent goes global with data center & site operation services.

Ascent adds another 19 positions with IT specialists and data center maintenance personnel.

2004

2004

Ascent Operations Center opens and supports 24x7 work ticketing for customers.

2005

2005

Brad Pauley, currently Vice President of Engineering & Construction and co-owner of Ascent, joins the team in an engineering and construction management role.

2006

2006

Ascent starts its wholesale data center development program.

2009

2009

Ascent announces plans for second Chicago wholesale data center development (CH2 Data Center).

2010

2010

Illinois Chamber and Illinois Development Council award Ascent with Edie Award

Ascent raises substantial equity to fund CH2 Data Center

Large-scale customer selects Ascent to support its national critical infrastructure operations

2011

2011

Comcast Goes Live at CH2.

Ascent adds 23 positions to support national critical facility management and maintenance programs.

2012

2012

Ascent opens new headquarters in St. Louis.

Ascent named Top Workplace and among Top 10 Private Business Job Creators within Missouri.

Growth in development activities and critical facility operations brings an additional 33 positions to the Ascent team

2014

2014

Multi-tenant Suite launched at CH2 Data Center, TransUnion selects CH2.

Carter Validus Mission Critical REIT purchases CH2 Data Center.

Ascent announces plans for St. Louis wholesale data center development.

Phil Horstmann expands Ascent ownership to Robert Painter, Jamie Lester and Brad Pauley.

2015

2015

Multi-Tenant Suite in CH2 is 100% Occupied.

Ascent has 2x the number of employees it had 5 years ago.

Subscribe to our newsletter

Stay up-to-date on all the latests news and developments from Ascent!
.