Jonathan W Groessl, Business Attorney in Janesville, Wisconsin
Over 38 years of legal practice · focused on Business, Construction, and General · 4.5/5 rating from 2 verified client reviews
PartneratDillon & Grube LLC
Janesville, WI
Practicing business in Janesville since 1988.
- 38+
- Years practicing
- 4.5 ★
- 2 client reviews
- 2
- Bar admissions
Practices in
Are you Jonathan W Groessl?
This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.
Quick answer
Jonathan W Groessl is a partner based in Janesville, WI. The practice focuses on Business, Construction, and General. Jonathan has over 38 years of legal experience. Currently practicing at Dillon & Grube LLC. Rated 4.5 out of 5 from 2 client reviews.
- Based in
- Janesville, WI
- Experience
- over 38 years
- Known for
- Business · Construction · General
- Handles Business, Construction, and General matters from Janesville, WI.
- Over 38 years of practice as a licensed attorney.
- Recognized with BV Distinguished.
About Jonathan W Groessl: Jonathan W Groessl is a partner based in Janesville, WI. The practice focuses on Business, Construction, and General. Jonathan has over 38 years of legal experience. Currently practicing at Dillon & Grube LLC. Rated 4.5 out of 5 from 2 client reviews.
Areas of practice
Legal matters Jonathan takes on
Jonathan concentrates on business, construction, general, and real estate. Each area below outlines the kind of case Jonathan handles, typical outcomes to expect, and how the intake process starts.
Business
View other Business attorneys
Construction
View other Construction attorneys
General
View other General attorneys
Real Estate
View other Real Estate attorneys
Business cases in Janesville, Wisconsin
Jonathan takes business matters in Janesville, Wisconsin. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
Construction cases in Janesville, Wisconsin
Jonathan takes construction matters in Janesville, Wisconsin. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
General cases in Janesville, Wisconsin
Jonathan takes general matters in Janesville, Wisconsin. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
Real Estate cases in Janesville, Wisconsin
Jonathan takes real estate matters in Janesville, Wisconsin. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
Biography
Meet Jonathan W Groessl — business lawyer in Janesville
Jonathan W Groessl is a partner based in Janesville, WI. The practice focuses on Business, Construction, and General. Jonathan has over 38 years of legal experience. Currently practicing at Dillon & Grube LLC. Rated 4.5 out of 5 from 2 client reviews.
Jonathan W Groessl is a lawyer practicing corporate law, real estate, transactional law and 1 other area of law. Jonathan received a B.B.A. degree from University of Wisconsin-Madison in 1982, and has been licensed for 38 years. Jonathan practices at Dillon & Grube LLC in Janesville, WI.
How Jonathan handles business matters
Jonathan W Groessl is a lawyer practicing corporate law, real estate, transactional law and 1 other area of law. Jonathan received a B.B.A. degree from University of Wisconsin-Madison in 1982, and has been licensed for 38 years. Jonathan practices at Dillon & Grube LLC in Janesville, WI.
Who Jonathan represents
Jonathan reviews new inquiries case-by-case for business, construction, and general matters in Janesville and the surrounding Wisconsin area.
Credentials
Education, bar admissions, and languages
DePaul University
J.D. · 1988
University of Wisconsin-Madison
B.B.A. University · 1982
Jurisdictions
Jonathan's state bar admissions
Michigan
1991 · ACTIVE
Wisconsin
1988 · ACTIVE
Jonathan studied at J.D. in DePaul University and B.B.A. University in University of Wisconsin-Madison.
Law school and academic background
Jonathan completed J.D. in DePaul University and B.B.A. University in University of Wisconsin-Madison. Formal legal training is one signal of substantive knowledge — the day-to-day practice Jonathan runs in Wisconsin is where that training gets applied to real client questions.
Recognition
Recognition and thought leadership
Jonathan has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
BV Distinguished
Legal awards and honors
BV Distinguished.
Affiliations
Jonathan's professional memberships and bar associations
Rock County Bar Association State Bar of Wisconsin State Bar of Michigan
membership
Locations
Jonathan W Groessl's office in Janesville
Jonathan's primary office is at 1 Parker Pl., Ste. 715, Janesville, WI, 53545. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Jonathan W Groessl — 4.5/5 rating from 2 verified client reviews
Every review below is from a verified client of Jonathan. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing business attorneys in Janesville.
4.5
2 client reviews
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Jonathan W Groessl claims this profile.
Read all reviewsHiring guide
How to hire Jonathan W Groessl — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with Jonathan usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Jonathan charges for the initial consult. That fee is credited toward representation if you retain Jonathan's office.
What to bring to your first meeting
Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Jonathan will tell you what matters and what doesn't.
Questions to ask a business attorney in Janesville, Wisconsin
A short list to run through before you commit: How many business matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?
Fees & payment
Fees, payment methods, and consultation options for Jonathan
Jonathan discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in business practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every business matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Jonathan confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Jonathan's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many business practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Jonathan W Groessl
How much does it cost to hire Jonathan for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Jonathan walks through the likely range during the consult so there are no surprises.
Does Jonathan offer a free consultation?
Jonathan charges for the initial consult; that fee is credited toward representation if you retain Jonathan's office. Some business attorneys offer free consults — check Jonathan's current terms during booking.
How long do business cases in Wisconsin typically take?
Simple business matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Jonathan gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Jonathan take my case if I'm outside Janesville?
Jonathan is licensed in Wisconsin. Matters governed by Wisconsin law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Jonathan will tell you if the case is a fit or refer you to someone closer to your court.
What should I bring to my first meeting with Jonathan?
Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Jonathan will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Jonathan accepting new business clients right now?
Jonathan's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Business attorneys serving Janesville, Milwaukee and Madison in Wisconsin
Jonathan handles business matters throughout Wisconsin. Each city below is a direct link into the search page for verified business attorneys in that community.
More counsel
Other top-rated business attorneys in Wisconsin
If Jonathan's intake is full or the fit isn't right, these business attorneys in Janesville handle similar matters. Every profile below is verified and open to consultations.





