IT Support for Accountants

IT Support for Accountants by Security Experts


On-site & remote support services for financial service businesses, CPA Firms & accountants

Nerds On Site is a public IT services company ($NERD (CA) & $NOSUF (US)) specializing in on-site & remote support for small-and-medium sized enterprises. We offer support in 7 Canadian provinces & 44 US States. Supporting accountants, CPA firms & financial services companies with all of their technology  and data protection needs.


Secure Data Management


Data & Network Security


Secure Data Backup


Data Backup Redundancy


Managed Email & Security


Secure Work From Home Solutions


Security-focused Cloud Services


Background Checked IT Specialists


24/7/365 Phone & Remote Support


Advanced Network Security (Zero Trust)


Phishing & Ransomware Elimination


IT Support for Accountants

Founded in London, Ontario, Canada in 1995. Nerds On Site quickly grew from a single-location on-site IT company to a full-service on-site IT Solutions organization focused on business technical support and cyber security. We provide on-site Client support in 7 provinces & 44 States. Proudly received over 92,500 5-star reviews from over 100,000 Clients and currently protect over 2 million devices.

Nerds On Site Google Reviews - Nerds On Site        Nerds On Site Reviews - Nerds On Site

IT Support for Accountants


We don’t just do IT, we protect our Clients and their data. With a global team of experts at your disposal, we can handle anything your accounting firm needs. Our remote services and monitoring are available 24/7/365, and when you need us on site, we’ll be there.

flate-rate pricing

Data Backup

Secure cloud computing or on site backup solutions with failover and redundancy.

Fast Reliable Service

Data Protection

Complete protection for your client data from the outside world.

Weekends Holidays

Cyber Security

From Zero Trust networking to securing a work-from-home IT environment.

On Site Services

On-Site IT Support

Background checked IT experts when you need them.

Remote Services

Remote IT Support

24/7/365 phone and remote support services.

IT Infrastructure

IT Infrastructure

Secure setup & transfer of IT infrastructure and data.

IT Support for Accountants


When you choose Nerds On Site you’re not only getting IT service, you’re getting a global team of IT professionals that can help alleviate any IT problems you may have. We’re not just an IT Support Company, we’re a partner-in-technology that can help with anything from helping with an IT issue to securing your data.

Managed Security Service Provider (MSSP)


We’re not like the other IT companies. We do more.

Cyber Security Assessment & Planning

Zero Trust Networking & AI-Driven Block & Allow Listing

Multi-Factor-Authentication Implementation & Enforcement

Post-Breach Remediation

Device Hardening & Endpoint Protection

Securing Accounting Software


We know the challenges you face securing multiple versions of the various versions of accounting software you use. Some even don’t allow MFA. Our team has worked with the accounting industry for decades and can provide modern solutions and technology support.

24 / 7 monitoring


We can monitor your systems 24 hours a day, 365 days a year. When you have a problem we’ll spring to action before you even know.

Service Level Agreement


99.999% technology uptime guarantee for accounting firm. Never worry if your technology is going to stop you serving your Clients.

Cost Effective Solutions


We service small-and-medium sized enterprises (SMEs). The cost of our services is a fraction of the typical in house IT team, whilst delivering the knowledge and experience of a world wide team.

The last IT resource your business will ever need


We support SMEs all over the world in every business vertical. When you need us for your technology we’ll be available.

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What our Financial Service Clients are saying…

- Nerds On Site

“Excellent help from Leo! He was knowledgeable, polite and professional. He stayed until the job was done and answered all of my questions, late night too 8:00 pm. He said he was coming out and he did! I haven’t had any issues since, I am very pleased with the work and will call for help in the future and definitely recommend Nerds On Site to anyone who needs IT services!!!!”

— Justin D, Accountant

- Nerds On Site

“The most important aspect of my service experience was that Nick did not treat me like a dummy. He was helpful, answered any questions I had, and kept me in the loop of what he was doing. Excellent manners…very respectful, that is very important. At the end, he gave me some instructions on how to accomplish what I needed should the issue arise again. The charge, which was reasonable, was well spent. Thank you again Nick!”

— Shawn P, Accountant

- Nerds On Site

“He was very pleasnat to work with and responded to our calls very quickly. Also he is patient with us as we are not as knowledgable in this area.”

— Lousia K, Accountant

- Nerds On Site

“Kirk provided excellent service, and patience and is very knowledgeable. We appreciated everything he did to bring a solution to our computer. Thank you for your ongoing service and we can always count on you for our computer solutions.”

— Collette C, Accountant

- Nerds On Site

“Always responds Ina very timely manner. Offers appropriate advice to questions. Very personable. Superior service in a timely manner with a smile.

I have recommended her to a couple of friends who have enjoyed the same superior service.”

— Mardy S, Accountant

We’re grateful to have received over 96,000 5-star reviews from all of our wonderful Clients!  See All of our Reviews

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5-Star Reviews

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Cyber Security

Managed IT Services

On-site IT Support

IT Help Desk

IT Consulting

IT Projects

IT Infrastructure

VoIP (Canada)

Incident Response