Investing in closely-held businesses for 40+ years

Industry veteran Ray Oleson had a vision of a company specializing in IT services to government customers. Together we created SI International.


Patient, private capital for mid-sized companies

We are an ideal partner for the long term, providing capital for both founder liquidity and growth.

CEO1ST Operational Approach

We work with experienced executives to build value through business growth and operational excellence, not financial engineering

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