IT for Accounting Firms
IT Support for Sydney
Accounting Firms
Protect your clients' financial data and automate the admin that slows your team down.
Built for accounting and bookkeeping practices across Sydney.
What we deliver
IT that keeps your practice protected and productive.
Managed IT, cybersecurity, and practice software support tailored for Sydney accounting and bookkeeping firms — all as one predictable monthly service.
Client Q2 BAS due in 3 days — auto-reminder sent

Your IT department
Your outsourced IT partner, built for financial practice.
Accounting firms hold some of the most sensitive data of any business — client financials, tax returns, and payroll records. OnIT Solutions acts as your dedicated IT partner, keeping your systems secure, your practice software running, and your team productive through every tax season.
ATO-integrated security
MFA on every ATO portal account, phishing filters, and login monitoring to stop impersonation attacks.
Practice software support
Xero, MYOB, QuickBooks, and Handisoft — we support the platforms your team relies on every day.
Compliance-ready infrastructure
Audit-trail documentation, access controls, and encrypted backups aligned to your professional obligations.
By the numbers
Measurable outcomes, guaranteed in writing
No surprise invoices. No missed deadlines. No scrambling when tax season hits.
<0h
Response SLA
Guaranteed priority helpdesk response
0%
Uptime target
SLA-backed system availability
0
Day onboarding
From signature to fully managed
At a glance
Every pillar of accounting firm IT. One team.
MYOB sync failing for 3 clients
Fixed — 9 min
All files current ✓


ATO Portal
Secured
MFA
Enforced

Backup
Verified
New graduate accountant starts Monday — needs MYOB and email access?
Done and ready ✓
Service detail
Eight disciplines, one team
Support for XPM, FYI and workflow platforms.
Expert help with MYOB, Xero and tax lodgement.
Encrypted portals for client document exchange.
Optimised workstation configs for productivity.
Migration and support for cloud-based solutions.
Redundant backups of all financial data.
IT controls aligned with ATO requirements.
Branded secure portals for document collection.
Why OnIT for Accounting Firms
Everything in one accounting IT service
One provider. One monthly fee. MYOB, Xero, secure client portals, and compliance — all managed.
Practice software, always running
Uptime monitoring for MYOB, Xero, and Practice Manager — plus automatic updates outside business hours.

Accounting software experts
MYOB, Xero, Class Super, BGL, Handisoft, Microsoft 365, and secure client portals — all supported.
Sydney-based, compliance-ready
Local engineers who understand accounting workflows and regulatory requirements. On-site support when needed.
Client data security, always on
ATO-grade MFA, email filtering, encrypted client portals, and daily backup — your client data is always protected.

Platform
The platform behind your accounting firm.
Always secure. Always compliant.
Client data, practice software, compliance, and IT support — all in one place, so you focus on your clients.
Secure document exchange with clients — encrypted and audit-logged.
Daily encrypted backup of all ledger, tax, and client data — always recoverable.
Privacy Act and TPB compliance assessment — documented annually.
Every workstation, printer, and networked device — inventoried and maintained.
Automated patching for all practice software — tested before deployment.
Full audit trail of every IT issue, escalation, and resolution.
Guaranteed same-day response for practice-critical issues.
Tracked vulnerabilities and remediation plan — always current.
Secure document exchange with clients — encrypted and audit-logged.
Daily encrypted backup of all ledger, tax, and client data — always recoverable.
Privacy Act and TPB compliance assessment — documented annually.
Every workstation, printer, and networked device — inventoried and maintained.
Automated patching for all practice software — tested before deployment.
Full audit trail of every IT issue, escalation, and resolution.
Guaranteed same-day response for practice-critical issues.
Tracked vulnerabilities and remediation plan — always current.
Secure document exchange with clients — encrypted and audit-logged.
Daily encrypted backup of all ledger, tax, and client data — always recoverable.
Privacy Act and TPB compliance assessment — documented annually.
Every workstation, printer, and networked device — inventoried and maintained.
Automated patching for all practice software — tested before deployment.
Full audit trail of every IT issue, escalation, and resolution.
Guaranteed same-day response for practice-critical issues.
Tracked vulnerabilities and remediation plan — always current.
Secure document exchange with clients — encrypted and audit-logged.
Daily encrypted backup of all ledger, tax, and client data — always recoverable.
Privacy Act and TPB compliance assessment — documented annually.
Every workstation, printer, and networked device — inventoried and maintained.
Automated patching for all practice software — tested before deployment.
Full audit trail of every IT issue, escalation, and resolution.
Guaranteed same-day response for practice-critical issues.
Tracked vulnerabilities and remediation plan — always current.
Every file documented
Client portals, practice software configs, compliance logs, and backup schedules — always current and audit-ready.
Ransomware activity detected and quarantined
We see problems first
24/7 monitoring of MYOB, Xero, and client portal access — caught before a deadline is missed.
Accounting software integrations
MYOB, Xero, Class Super, BGL, Microsoft 365, and client portals — all connected and managed.
| S | M | T | W | T | F | S |
|---|---|---|---|---|---|---|
Book support instantly
Same-day response for practice-critical issues. No waiting during tax season or BAS deadlines.
Who we serve
Built for Sydney accounting practices

Managed IT for accounting practices from sole practitioners to multi-partner firms.
Public Practice
Multi-partner firms with compliance and staff access needs
Tax Agents
ATO-connected workflows, lodgement deadlines, and portal security
SMSF Specialists
Regulated data handling and audit-ready document management
Bookkeepers
Xero, MYOB, and QuickBooks cloud access with secure client portals
BAS Agents
Secure ATO portal access, MFA, and phishing protection
CFO Services
Advisory-led practices needing reliable, mobile-ready infrastructure
Why managed IT
With OnIT vs without managed IT
Accounting practices can't afford IT failures during tax season. See what proactive managed IT delivers vs going it alone.
Tax season reliability
Proactive capacity checks pre-July
Client data security
Encrypted storage, access controls
ATO portal access
MFA enforced, login monitoring
Practice software
Xero/MYOB/QuickBooks integrated
Staff offboarding
Instant centralised access revocation
Compliance readiness
Audit-trail documentation maintained
Helpdesk response
Guaranteed SLA, local Sydney engineers
Tax season reliability
Reactive — issues surface mid-crunch
Client data security
Email attachments, shared drives
ATO portal access
Single-factor, no visibility
Practice software
Supported piecemeal, if at all
Staff offboarding
Manual, often delayed or missed
Compliance readiness
Fragmented, hard to retrieve
Helpdesk response
When available, different tech each time
Full service scope
Everything managed, nothing missed
One provider. One invoice. Complete IT coverage so your practice can focus on clients.
Included in your plan
Outside standard scope
Onboarding process
Up and running in 2 weeks
A structured handover so your practice never loses a day of productivity — or a client deadline — during the transition.

Discovery Call
We audit your current environment, document your stack, and identify immediate risks. No surprises, no lock-in pressure.

Onboarding Plan
We present a tailored plan, agree scope, and sign the service agreement. No lock-in, cancel anytime.

Setup & Migration
Remote and on-site engineers deploy monitoring tools, configure security, and transfer management of your environment.

Steady-State Support
Your team has direct access to the helpdesk. Proactive monitoring starts from day one. You focus on the business.
Where we work
All of Sydney
On-site engineers across Greater Sydney. Remote support for accounting practices anywhere in NSW.
Not sure if we cover your area? Browse all suburb locations
Client Success
Trusted by Sydney businesses
Real results from businesses who rely on OnIT Solutions
John S.
Owner
Sydney Sparky Services
“OnIT Solutions completely automated our job bookings. We saved 15 hours a week on admin and haven't missed a call since.”
Sarah L.
Manager
Bondi Fitness Center
“The AI voice receptionist is a game changer. It handles member inquiries while we're on the floor. Highly recommend for any busy gym.”
Dr. Michael T.
Director
Metro Health Clinic
“Cybersecurity was our biggest concern. OnIT provided a comprehensive audit and implemented secure systems that give us peace of mind.”
Jessica R.
Principal
Prime Realty NSW
“Our AI lead follow-up system has doubled our conversion rate. The automation works 24/7 so we never miss an opportunity.”
David W.
Managing Director
Coastal Logistics
“Managed IT that just works. The team is responsive and the transition to Microsoft 365 was seamless. Best IT partner in Sydney.”
Karen M.
Partner
Harbour City Accounting
“The cloud migration was flawless — zero downtime during tax season. Our compliance requirements are complex and OnIT handled every detail.”
Dr. Lisa C.
Practice Manager
Northshore Dental
“Patient data security was our top priority. OnIT implemented encryption and access controls that satisfied our Privacy Act audit in full.”
Andrew P.
Senior Partner
Burke & Associates Legal
“Document management used to be a nightmare. Now our team accesses case files securely from anywhere — court, home, or office.”
Natalie K.
Director
Apex Recruitment Sydney
“The AI workflow OnIT built connects our CRM to candidate matching. We place 30% more candidates with the same team size.”
Steve R.
Operations Manager
Metro Build Group
“Our crews are across 12 sites daily. OnIT set up mobile device management and field reporting that actually works on-site.”
John S.
Owner
Sydney Sparky Services
“OnIT Solutions completely automated our job bookings. We saved 15 hours a week on admin and haven't missed a call since.”
Sarah L.
Manager
Bondi Fitness Center
“The AI voice receptionist is a game changer. It handles member inquiries while we're on the floor. Highly recommend for any busy gym.”
Dr. Michael T.
Director
Metro Health Clinic
“Cybersecurity was our biggest concern. OnIT provided a comprehensive audit and implemented secure systems that give us peace of mind.”
Jessica R.
Principal
Prime Realty NSW
“Our AI lead follow-up system has doubled our conversion rate. The automation works 24/7 so we never miss an opportunity.”
David W.
Managing Director
Coastal Logistics
“Managed IT that just works. The team is responsive and the transition to Microsoft 365 was seamless. Best IT partner in Sydney.”
Karen M.
Partner
Harbour City Accounting
“The cloud migration was flawless — zero downtime during tax season. Our compliance requirements are complex and OnIT handled every detail.”
Dr. Lisa C.
Practice Manager
Northshore Dental
“Patient data security was our top priority. OnIT implemented encryption and access controls that satisfied our Privacy Act audit in full.”
Andrew P.
Senior Partner
Burke & Associates Legal
“Document management used to be a nightmare. Now our team accesses case files securely from anywhere — court, home, or office.”
Natalie K.
Director
Apex Recruitment Sydney
“The AI workflow OnIT built connects our CRM to candidate matching. We place 30% more candidates with the same team size.”
Steve R.
Operations Manager
Metro Build Group
“Our crews are across 12 sites daily. OnIT set up mobile device management and field reporting that actually works on-site.”
John S.
Owner
Sydney Sparky Services
“OnIT Solutions completely automated our job bookings. We saved 15 hours a week on admin and haven't missed a call since.”
Sarah L.
Manager
Bondi Fitness Center
“The AI voice receptionist is a game changer. It handles member inquiries while we're on the floor. Highly recommend for any busy gym.”
Dr. Michael T.
Director
Metro Health Clinic
“Cybersecurity was our biggest concern. OnIT provided a comprehensive audit and implemented secure systems that give us peace of mind.”
Jessica R.
Principal
Prime Realty NSW
“Our AI lead follow-up system has doubled our conversion rate. The automation works 24/7 so we never miss an opportunity.”
David W.
Managing Director
Coastal Logistics
“Managed IT that just works. The team is responsive and the transition to Microsoft 365 was seamless. Best IT partner in Sydney.”
Karen M.
Partner
Harbour City Accounting
“The cloud migration was flawless — zero downtime during tax season. Our compliance requirements are complex and OnIT handled every detail.”
Dr. Lisa C.
Practice Manager
Northshore Dental
“Patient data security was our top priority. OnIT implemented encryption and access controls that satisfied our Privacy Act audit in full.”
Andrew P.
Senior Partner
Burke & Associates Legal
“Document management used to be a nightmare. Now our team accesses case files securely from anywhere — court, home, or office.”
Natalie K.
Director
Apex Recruitment Sydney
“The AI workflow OnIT built connects our CRM to candidate matching. We place 30% more candidates with the same team size.”
Steve R.
Operations Manager
Metro Build Group
“Our crews are across 12 sites daily. OnIT set up mobile device management and field reporting that actually works on-site.”
John S.
Owner
Sydney Sparky Services
“OnIT Solutions completely automated our job bookings. We saved 15 hours a week on admin and haven't missed a call since.”
Sarah L.
Manager
Bondi Fitness Center
“The AI voice receptionist is a game changer. It handles member inquiries while we're on the floor. Highly recommend for any busy gym.”
Dr. Michael T.
Director
Metro Health Clinic
“Cybersecurity was our biggest concern. OnIT provided a comprehensive audit and implemented secure systems that give us peace of mind.”
Jessica R.
Principal
Prime Realty NSW
“Our AI lead follow-up system has doubled our conversion rate. The automation works 24/7 so we never miss an opportunity.”
David W.
Managing Director
Coastal Logistics
“Managed IT that just works. The team is responsive and the transition to Microsoft 365 was seamless. Best IT partner in Sydney.”
Karen M.
Partner
Harbour City Accounting
“The cloud migration was flawless — zero downtime during tax season. Our compliance requirements are complex and OnIT handled every detail.”
Dr. Lisa C.
Practice Manager
Northshore Dental
“Patient data security was our top priority. OnIT implemented encryption and access controls that satisfied our Privacy Act audit in full.”
Andrew P.
Senior Partner
Burke & Associates Legal
“Document management used to be a nightmare. Now our team accesses case files securely from anywhere — court, home, or office.”
Natalie K.
Director
Apex Recruitment Sydney
“The AI workflow OnIT built connects our CRM to candidate matching. We place 30% more candidates with the same team size.”
Steve R.
Operations Manager
Metro Build Group
“Our crews are across 12 sites daily. OnIT set up mobile device management and field reporting that actually works on-site.”
FAQs
Frequently Asked Questions
Explore further
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Get started
Ready to secure your practice
and free your team?
Book a free IT assessment with one of our Sydney-based engineers. No lock-in, no obligation — just a clear picture of your practice's IT health.