What our customers say…

Lita NicholsFebruary 27, 2026

Quick to get the job done in the time quoted! It was rainy. Took off his shoes without asking.Sandy WilsonNovember 21, 2025

Mitch was friendly and efficient. Thanks so much to NELSON ALARM for helping to keep our church building and church family safe.Rick ValeJuly 22, 2025

Great and fast service! Very friendly =) Thank you Mitch!Rebecca OttoJuly 11, 2025

Nelson Alarm has been my go-to for both home and business security for years. Their team is always professional, knowledgeable, and responsive. Mitch came out recently to reinstall a glass break sensor after I had a window replaced, and he was prompt, courteous, and efficient. I also appreciate that Nelson handles the monitoring for both my home and business systems, including cameras and alarms. As a business owner myself, I know how valuable reliable service and strong reviews are, and Nelson Alarm consistently earns both!Shelli McDonaldJuly 10, 2025

mark was very polite, worked quickly and fixed my alarm. I am very satisfied customerElle JacksonJuly 7, 2025

Excellent job by Mitch! Great personality and explains everything clearly . Highly recommend.AndrewJune 30, 2025

Mitch with Nelson Alarm was wonderful! Very polite and super quick fix. 10/10!Jake HofmannJune 30, 2025

Mark was very polite and helpful! Found our problem and fixed it quickly! Then walked me through what he did and even gave me some helpful tips with our system!Tessa BairdJune 30, 2025

Mitch did a very good job to identify the problem why the alarm system was ringing. He explained that we had to switch the ethernet to another modem. He was also very professional and very knowledgeable.Carolyn PalmerJune 26, 2025

Mark was respectful, knowledgeable and quick! Thank you!Angela CoreaJune 26, 2025

Patty HughesJune 26, 2025

Mitch takes very good care of usdonald wellsJune 25, 2025

Brian was a huge help today! He replaced our faulty smoke alarm in our apartment community and thoroughly explained solutions for a couple other issues we were facing. We appreciate the help!Kurtis MarkiewiczJune 25, 2025

Mitch found the problem and stayed to make sure everything worked properly. He was very polite and went straight to work. Thank you MitchMistyJune 25, 2025

Mark was awesome!. He was patient, knowledgeable and creative. He and the entire Nelson Alarm team continue to exceed my expectations!Ken RoseJune 24, 2025

My tech Mitch was soooooo helpful and very knowledgeable about his work!!!! I would recommend Nelson to anyone looking for reliable service! Anytime we need help they come quickly and get the job done pretty quickly as well. Mitch we appreciate your service and how professional you were. Explained things I didn’t understand and was very polite! Thanks again from the SOA TeamTyesha TaylorJune 24, 2025

Nelson Alarm Indianapolis is THE BEST!! Their technicians are brilliant and I always look forward to seeing them when we have our annual check-up.Malcolm SmithJune 24, 2025

andyaustinJune 23, 2025

Thank you MitchGPio AlvarezJune 20, 2025

Mitch was fantastic, was efficient and solved our issue in a timely manner and communicated along the way!Charlie HartmanJune 20, 2025

Peggy DalyJune 19, 2025

Mark was kind and was able to reconnect our system. He was also very nice to my kids.Jamie RubleJune 18, 2025

Mark did a great job.Matthew BockhorstJune 18, 2025

Scott SmithJune 16, 2025

Jeff LacyJune 13, 2025

Mitch did a great job on our fire inspection! Kind and knowledgeable, and connected us with Nelson team that can help us take our security to the next level!Breanna HoganJune 13, 2025

Mitch did a great job! He also gave us great info regarding carbon monoxide detector and smoke alarmAllen LongJune 11, 2025

Was here on time; was very efficient and had good communication skills.Victor RuthigJune 10, 2025

Great service. Mark was super friendly and explained everything in detail. Highly recommended.Nikki PayneJune 9, 2025

Mark was wonderful!Travis BarnesJune 6, 2025

On time,clean professional install highly recommend.Edward GarciaJune 6, 2025

Mitch was very helpful with replacing our panic fobs! Great customer service!Clayton SmithJune 5, 2025

Mark, was wonderful he showed me how to use the alarm system and changed the code for me!! He was very pleasant and professional.Keri KirbyJune 5, 2025

Prompt, diligent and professionalLauren PerkinsJune 5, 2025

Mark was awesome! Found the issue fast and was really nice!Adventurous ApertureJune 4, 2025

Mark was fantastic. Professional, polite, and quickly found and fixed the problem. I have used Nelson Alarm for almost 20 years and highly recommend them.Julie GriffithJune 4, 2025

My technician was very professional and fixed my alarm problem quickly and easily.Kristi MacadaegJune 4, 2025

Mitch did a great job! He was very kind and efficient.Isabella BurnsJune 4, 2025

Mitch was great and was able to resolve our issue quickly!Jessica CraneyJune 4, 2025

Friendly, knowledgeable and arrived on time. Can't ask for much more from a technician. Customer service was easy to work with as well.Zach HJune 3, 2025

Brian was on time and very professional.Kim TeKolsteJune 2, 2025

Austin DunwoodyJune 2, 2025

We have used Nelson Alarm for our businesses for years and plan to use them for future ventures. They have always done right by us!Patrick JonesMay 30, 2025

Great guys, i had them install security and fire detection system in my house and a few months later we had the same system installed in my workshop. 100% satisfied, price is reasonable compared to the market.Konstandinos “Kostas” GhitziasNovember 28, 2024