Top Environmental Consulting Firm for Business-Friendly, Data-Driven Insights

Smarter Data.

Better decisions start with better data. We analyze environmental risks with precision, turning complex information into actionable strategies that drive results.

Faster Insights.

Time is money—we move fast so you can, too. Our streamlined approach delivers the critical insights you need without delays or bottlenecks.

Unmatched Clarity.

No jargon. No guesswork. Just clear, business-focused solutions that cut through complexity and keep your projects moving forward.

Keep Your Momentum Moving

Delays cost time and money.

As a leading environmental consulting firm based in Chicago, we deliver fast, clear insights that keep your momentum strong and your projects on track.

Uncertainty slows deals, but with expert guidance, you can move forward with confidence. Don’t let environmental risks stall your progress—get answers, make smart decisions, and stay ahead.

Move forward—faster with Hanis Consulting.

Why Hanis Consulting is the trusted environmental consulting firm.

20+

Years industry experience

Our extensive industry experience ensures that your environmental challenges are handled with seasoned expertise, providing you with solutions you can trust.

250+

Successful projects

We bring a proven track record to every project, ensuring your environmental needs are met with reliable, efficient outcomes that minimize risk and maximize success.

90%

Referral rate

Our high referral rate reflects the satisfaction and trust of our clients, showing that when you work with us, you’re choosing a partner committed to your success.

Smarter Solutions

Speed matters. Complexity shouldn’t slow you down. As a leading environmental consulting firm, we deliver clarity and fast, data-driven insights giving you actionable results.

Real Estate Transactions

Business + Portfolio Transactions

Contamination

Compliance

Expert Witness + Litigation Support

Complex data. Business driven.

Hanis Consulting stands above other environmental consulting firms by quickly bringing clarity to complex data, delivering fast actionable insights that drive informed decisions and fueling business growth.

Clarity through expertise.

We geek out on data and challenges so you don’t have to. As your dedicated environmental consulting firm, we know you’re focused on business, not deciphering technical jargon. That’s why we distill complex data into clear, business terms tailored to your needs, cutting through the noise so you can focus on what you do best.

Data-driven insights.

We analyze complex environmental data with precision, delivering the insights that drive your business decisions. Our data-driven approach ensures you’re equipped with accurate, relevant information, presented clearly and concisely, so you can act with confidence.

Tailored growth.

Our customized strategies are designed to transform environmental challenges into opportunities for business growth. By aligning our solutions with your specific goals, we ensure that every action we take drives measurable progress, helping your business thrive in a competitive landscape.

About Us

Hanis Consulting was built on the belief that environmental challenges should never be a roadblock to success. With a background in high-stakes environmental investigations and expert witness testimony, we’ve spent decades transforming complex data into business-driven insights. Our approach? Fast answers, clear strategy, and solutions that work.

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Real feedback. Lasting impact.

See why clients trust us as their go-to environmental consulting firm. Their success stories speak volumes.

"They are very responsive and proactive with excellent technical skills and outside the box thinking, very helpful when developing strategies to cope with environmental issues on development properties. In addition to these technical skills, Eric is very adept at thinking through and modeling various potential outcomes and associated risks and assisting with development of pricing and timelines for them."

"Whenever I am representing a client on a commercial purchase or sale, I encourage them to use Hanis Consulting for their environmental analysis. I know that they will get an honest assessment of any issues and will be assured that if there are problems with the property, that Eric will approach the situation in a manner that will provide resolution."

"Not only does Eric Hanis truly understand the area of environmental, but he is also able to present it in a way that a lay person would be able to comprehend. He is very thorough, thoughtful, and timely."

"Hanis Consulting solved a sink hole problem at our church that many others weren't able to find a solution for. They were professional, timely, and had expertise that helped them solve our problem for good. I would recommend them to anyone."

"Eric Hanis and Hanis Consulting went way above and beyond what should have been necessary to complete the Phase I Environmental on my recent commercial real estate transaction. I would definitely work with Hanis Consulting again for any commercial real estate work in the future."

Elevate your success with clarity, insight, and growth.

Standing out as a premier environmental consulting firm means offering more than just the basics.

At Hanis Consulting, we go beyond standard solutions, delivering clarity where others create confusion, insight that uncovers hidden opportunities, and strategies that fuel progress.

If you’ve worked with other environmental consultants, it’s time to experience the difference—our approach is designed to not only meet your needs but to exceed your expectations.