Sunset at Calamos Court, home of Primacy Business Center

Primacy Business Center in the Calamos Investments Building at CityGate Centre in Naperville (c)Calamos Property Holdings LLC

Calamos Investments Building Lobby

Calamos Investments Building lobby (c) Calamos Property Holdings LLC

Primacy Business Center Office

Primacy Business Center offers variable term office space and day offices (c) Calamos Property Holdings LLC

Sunset at Calamos Court, home of Primacy Business Center

Primacy Business Center in the Calamos Investments Building at CityGate Centre in Naperville (c)Calamos Property Holdings LLC

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Meet your match.

Solutions for every workstyle.

Primacy Business Center is a premier provider of Class A office space, virtual office and modern turnkey business solutions with services ranging from a prestigious business address to a full suite of administrative support from our multi-lingual* team, remote or on site.

*Members of the Primacy staff are fluent in English, Spanish, Polish, Russian and Ukrainian to serve your multi-lingual business needs.

Our mission is to enable businesses to focus on growth while minimizing costs and streamlining efforts.

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Class A office at Primacy Business Center, executive suite provider in the Calamos Investments Building at CityGate Centre, Naperville, IL

Services for Remote & On-Site Clients

With Primacy, you can establish a highly professional business office presence in DuPage County without the cost and the commitment of a long-term lease. We adapt our services to meet each client's needs from entrepreneurs, startups and consultants to road warriors and corporate teleworkers, and everyone in between.

Establish a highly professional business presence without the cost, commitment or commute in the distinctive Calamos Investments building. With its virtual office clients' addresses in a building with landmark recognition from I-88 at the Rte. 59 exchange, Primacy offers its clients a premier presence in the DuPage County city of Naperville.