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Life at JKC

Why Work with Us?

At John Kasperek Co., Inc., we believe accounting is more than numbers, it’s about building trust, supporting communities, and helping public and nonprofit organizations thrive. With offices in Calumet City and Mokena, and serving the South Suburbs for nearly 40 years, our firm provides accounting, auditing, and consulting services to local governments, school districts, nonprofits, and small businesses.

We're proud of the close relationships we've built with our clients, and with each other. Our team values collaboration, professional integrity, and a commitment to high-quality service. If you're looking for a meaningful career where your skills can make a local impact, we’d love to meet you.

  • Community-Focused Clients: Serve municipalities that make a real difference like school districts, park districts, governments, and nonprofits.
  • Supportive Work Environment and Professional Growth:  Work alongside experienced accountants who are committed to mentorship, teamwork, and your long-term success. Gain hands-on experience with a variety of clients and grow your career in a firm where you're seen, supported, and appreciated.
  • Work-Life Balance: Our community-first approach to our technical work also includes our human-first approach to life at work. We offer generous retirement, health, dental, vision, life insurance, HRA cards and additional support through AllOne Health with the challenges life may throw your way.
  • Growing, Locally Owned Firm: Join a trusted name in South Suburban accounting with a reputation for quality, continuity, and community care.
Why Work with Us

Our Offices

Headquarters

Calumet City

Satelite Office

Mokena

2025 So Far