ISI, established in 1991, is a full-service business development group and general management consulting firm. It specializes in helping small- to medium-sized businesses maintain cash flow, control costs, and accelerate profitable growth. ISI also provides consulting services to owners and offers a range of services including financial control, sales and marketing, operations assistance, and strategic planning. The firm's alliances include International Tax Advisors, IPA Advisory & Intermediary Services, Integrated Business Analysis, and Accountancy Associates. Located in Buffalo Grove, Ill, ISI assists clients in increasing productivity and developing middle management.
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