Istonish was founded 20 years ago by two dynamic sisters who had a vision for service, excellence and ethics. The initial vision involved helping companies and government organizations find the best and brightest technology talent to support their projects and to do so in a way that demonstrated true partnership and dedication to customer success.

Headquartered in Denver, Colorado, Istonish is a privately held company with operations throughout the United States. With clients spanning a variety of industries, including telecommunications, medical, consumer food products, aerospace, insurance and government, Annette and Victoria Quintana built an outstanding team to support the technology staffing requirements, as well as created a mix of staffing solutions.

Over the years, customer needs expanded and we began to offer a broader mix of services, including customized application development and technology infrastructure management, which includes help desk, desktop support and remote network monitoring. The company also began offering hosted interactive voice response (IVR) and third party verification solutions.

In addition, the company name has evolved from Excel Professional Services to TeamExcel and finally to Istonish. The Quintanas chose this name to represent their vision for truly ‘astonishing’ service which is solidly based on the company’s eight values, as well as teamwork, ethics, cooperation and clear communication.

Today, Istonish represents one of North America’s leading business and technology consulting firms. Our service offerings have evolved over the years to meet the ever changing demands of the market. As recent pressures related to energy costs and increased global competition weighs upon organizations of all sizes, Istonish is prepared to help our customers optimize their IT spending to be more efficient and cost effective. Our Green IT solutions are a natural extension to the range of technology services we offer.

Istonish is also pleased to be a provider of IT services to health care providers. With a robust Selection-to-Support (S2S) solution, Istonish can assist health care providers in the selection, implementation, adoption and support of Electronic Medical Record (EMR) solutions for their practices or hospitals.

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Community Involvement

Community Involvement

An important part of who we are as a company is who we are as individuals. Our management and staff are actively involved in the communities in which we operate.

“There is a positive role for businesses to play in the community and to its customers beyond making a profit. We see ourselves in that place. It's about service."
– Annette Quintana
Istonish Chief Executive Officer