Dia Systems reminds me of how the systems and desktop support desk use to be back in the day, Smart, friendly service without the hassle. Being a General Contractor in the Los Angeles area you need that type of hands on support that keeps us competitive with the ever changing world of Information ...Read More

Chris W.
San Francisco, CA

DIA Systems provides a valuable service to our company. Although DIA is an external partner, they function seamlessly with us as an extension of our team. They provide world-class, flexible, and accommodating IT support and are always there when we need them. We have been very pleased with the quality ...Read More

Andrea Houlné
Manager of Business Operations

My law firm, based in San Francisco, California, retained Dia Systems in early August 2018 as our remote IT service provider. This company has exceeded all my expectations. Dia Systems is very responsive to all of my team's IT support requests and always sees them through to resolution. It is ...Read More

Eric T.
CEO & Managing Attorney
San Francisco, CA

The Wellness Group Youth & Family Services has been a client with Dia Systems almost a year. As a small business it proved to be a great business decision to contract our IT services opposed to hiring a full time IT Manager. Partnering with Dia Systems has been beneficial for us because it allowed ...Read More

John T. Redd

I had the pleasure of meeting Mrs. Tessie Rodgers a few weeks ago. I took her my hard drive and three laptops. She contacted me that day and the next day to give me the status and shared the cost. I was so surprised at the low price that I started calling everybody who had computer problems. The ...Read More

Carolyn Claiborne

Dia Systems is the best computer service provider I’ve ever used. I needed my computer repaired for my business and she made sure it was fixed immediately. After Using Dia Systems I definitely have a very high expectation of computer service providers.

Kevin Gary

Well, where do I start? I’m not used to leaving testimonials, but this time it’s well deserved…so I’m taking the time. I had two computers that needed TLC. A laptop that I had lost the password to and a desktop that had serious problems. I called and delivered both to Tessie. She had everything ...Read More

Lou Valentino

It was a big step to search for a different IT provider, because everything has always been “the way it was”. Dia Systems convinced us of their capabilities to modernize our IT and support us into the future. We have been thrilled with their approach and their strong IT experience providing us ...Read More

Chenoa Ford
Aerations Plus

Tessie provided IT support for our remote agents with varying tech skills. She ably resolved the most difficult challenges, sometimes with uncooperative agents. We could always count on her help. Tessie is highly recommended for any IT tasks.

George Bessenyei

Dia Systems is a perfect fit for my small, growing business. They are courteous, prompt, extremely competent, and they never interfere with my practice. I would recommend Tessie and her team to anyone. They are an important part of MY Team!

Mike E.