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Kenner Law Group, PLC
- Estate Planning
- Results
- Explanation
“I would definitely go back to Jason Yang for any future legal services and appreciated his commitment to providing an excellent experience to his clients!”
Best Business Attorneys in Diamond Bar, CA
24 firms listed · 12 in Diamond Bar · 6 open 24/7 · 9 open weekends · 22 rated 4.5+
Data verified October 17, 2026
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Alex Ramirez
- Contract
- Questions
- Call
“Helped me understand the whole process didn't leave me in the dark , and for that I really appreciate it, Now I know who to call if I end up in need of a lawyer again .”
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The Pollard Firm
- Stress
- Questions
- Team
“Very responsive and they accommodate emergency calls, Tim is patient and extremely honest, he keeps me focused on the important aspect of any situation, does not loose focus or waste time, which is needed when dealing with emotional and hard family m...”
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Flader & Hirji
“Hirji are really kind people, not only they helped to understand my situation with patience, but also solved the issue for me during the quarantine, of course, with reasonable charge.”
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Michael W. Brown
- Information
- Questions
- Office
“Thank you Attorney/ Doctor Michael W Brown for answering all and every questions that I and more importantly my mom had.”
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Executive Benefit Programs
“I have come to rely on them to provide the best possible options for me and my life insurance, and I know it will always be sound financial advice.”
The 24 firms shown for Diamond Bar, CA advise companies on formation, contracts, ownership agreements and transactions. Whatever each one says about its practice areas and fee arrangements is drawn from its own website, and the ratings come from public reviews.
Area overview: Diamond Bar, CA
Of the 24 firms we list here, 12 are in Diamond Bar itself and 12 come from towns including Rancho Cucamonga (3, 17 mi), Fullerton (2, 10 mi) and Anaheim (2, 11 mi). 23 of the firms on this page have a rating, from 4.0 to 5.0 across 1,954 reviews; 11 have 50 or more reviews and 22 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise professionalism (95%), responsiveness (77%) and quality (65%). 6 are open around the clock; 9 are open on Saturdays and 7 on Sundays. The practice areas the firms on this page list most often on their websites are wrongful death (4), car accidents (3), motorcycle accidents (3), brain injuries (2) and civil litigation (2). 1 shows a license on its website and 10 have a BBB rating of A or A+. Domain records put 18 websites of the firms on this page at ten or more years old; the oldest dates from 1999. 6 offer urgent consultations; 1 offers payment plans; 14 offer a free initial consultation and 1 is family- or locally-owned. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book a consultation.
Which business law firms listed for Diamond Bar describe their corporate work online?
A website is on file for 23 of the 24 firms listed here. Corporate pages tend to be concrete about industries served, transaction types and the size of company the practice acts for. That detail rules firms in or out faster than any phone call.
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Immigration Services
“Great immigration law firm really good service”
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Delilah Knox Rios, Attorney at Law
“Very intelligent hard working lady.”
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Law Offices of Sue C. Swisher
- Calls
- Attorney
- Probate
“Very accommodating for my elderly mother and her estate needs.”
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Law Office of Peiwen C. Liu
“At the beginning of the 21st I submit the green card application for marriage, after half a year just got the green card, very smooth all the way, I think the biggest reason is found a good lawyer - peiwen liu, she let us prepare a very complete info...”
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Jeanne M Fitzgerald Law Office
“I received an electronic copy prior to the final appointment and everything was well organized for the final signing and notarizing of all the final papers.”
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Gloria D Cordova Law Offices
“I offer to the individual and business client total litigation services in a friendly, hands-on environment. My clients are provided an education in the law of the case while receiving complete coverage in every phase of their litigation. I concentra...”
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Montgomery Steele Law
- Stress
- Felt
- Insurance Company
“The team at Montgomery steel were great at communicating with me always answered every question and overall this was my first time dealing with attorneys, and I must say that they made it very easy for me and confident.”
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Atlantis Law Firm
- Bankruptcy
- Debt
- Needs
“James was amazing from the start explaining every step in detail also the whole team of kacey and Alice were both amazing and helped tremendously with all of my questions.”
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The Kent Law Firm
- Prison
- Questions
- Pleading
“Not only did he appear in court on my behalf 9 times but was also successful in getting all my charges dismissed, keeping my dmv record clean, no increases in my insurance and fortunately I was able to keep my job.”
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United Employees Law Group
- Team
- Financial
- Wrongful Termination
“My experience was a very good one and I certainly would not hesitate to refer this law firm to anyone in need of employment issues or other legal matters.”
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Bridgewater Law Group
- Understanding
- Legal Representation
- Confidence
“Bridgewater were very helpful with my whole process, From beginning to Ends I was always informed of what was going on, if I had any questions or concerns, they would have an answer for me right away.”
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Stop Eviction Consultants
- Court
- Landlord
- Text
“Stop Eviction helped me settle with my landlord which included no eviction on my record and I didn't expect this one “No money Judgement “ This process took about 3 months which put me at ease, with in this time I was finally able to find a Job and...”
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Law Office of Christopher P. Walker
- Calls
- Matters
- Opinion
“My sister and I were very fortunate that our cousin referred us to Chris Walker, because we were about to begin a heart wrenching negotiation that rubbed salt on our raw wounds.”
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Law Offices of Fernando D. Vargas
- Happy
- Negotiate
- Compensation
“I'm happy I was able to choose /work with them and I would highly recommend this law office to family / friends that have any problems in the long run Fernando is nothing but honest with you .”
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Borowitz & Clark
- Confidence
- Credit
- Cost
“Well so far my experience has been good and I'm happy that I'm able to get this debt done and over with and learn some important lessons about credit and get in a better place”
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Newman & Allen
- Call
- Payment
- Financial
“They are the best, if you are looking for a lawyer this are the best, They helped my close family member avoid jail time by negotiating with what was best for him.”
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Hanning & Sacchetto
- Job
- Efficiency
- Pain
“When I couldn't get anyone at Uber to help me garner my rights after an accident Hanning & Sacchetto were there to help me navigate the juggernaut of insurance double speak and process.”
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Hart Immigration
- Knowledge
- Expertise
- Petition
“Right form the very first phone call she was professional and during the preparation she had been very understanding, helpful and worked really hard and in result I got my E2 approved in just 8 days.”
Business and Corporate Legal Services in Diamond Bar, CA Cost Estimates
Minimum cost
$842
Maximum cost
$5261
National Average
$1316
Avg Per Hour Rates
$356
$1053
$2105
Fair price range is based on 370 cost profiles
Why these companies made our list
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