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.

Live practice feed
📋
BAS lodgement alert·just now

Client Q2 BAS due in 3 days — auto-reminder sent

OnIT Solutions engineer in one-on-one consultation with accounting firm principal

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 ✓

Practice issues resolved fast
Tax software down, portal access broken, or ATO link failing — fixed before the deadline.
Practice system monitoring
MYOB, Xero, and ATO portals monitored 24/7 — outages flagged and fixed fast.
Accounting firm client portal and practice management dashboard
Accounting platforms, managed
MYOB, Xero Practice Manager, CCH, HandiSoft, and M365 — all connected and supported.
Password and portal security check

ATO Portal

Secured

MFA

Enforced

Cloud backup dashboard

Backup

Verified

Layered cybersecurity baseline
MFA, EDR, email filtering and backup/DR — the controls that prevent the most common attacks.

New graduate accountant starts Monday — needs MYOB and email access?

Done and ready ✓

New accountants, productive fast
New staff provisioned with practice software access, email, and tax portal credentials before day one.

Service detail

Eight disciplines, one team

Practice Management

Support for XPM, FYI and workflow platforms.

Tax Software Support

Expert help with MYOB, Xero and tax lodgement.

Secure File Sharing

Encrypted portals for client document exchange.

Multi-Monitor Setups

Optimised workstation configs for productivity.

Cloud Accounting Platforms

Migration and support for cloud-based solutions.

Backup & Recovery

Redundant backups of all financial data.

Compliance & Auditing

IT controls aligned with ATO requirements.

Client Portals

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 practice management dashboard

Accounting software experts

MYOB, Xero, Class Super, BGL, Handisoft, Microsoft 365, and secure client portals — all supported.

Microsoft 365
Azure
Defender
Veeam
Fortinet
Cloudflare
NinjaOne
Bitdefender
CrowdStrike
Cisco

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.

Security monitoring panel

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.

Client Portal
Secure document exchange with clients — encrypted and audit-logged.
Backup Report
Daily encrypted backup of all ledger, tax, and client data — always recoverable.
Compliance Audit
Privacy Act and TPB compliance assessment — documented annually.
Asset Register
Every workstation, printer, and networked device — inventoried and maintained.
Patch Schedule
Automated patching for all practice software — tested before deployment.
Incident Log
Full audit trail of every IT issue, escalation, and resolution.
SLA Contract
Guaranteed same-day response for practice-critical issues.
Risk Register
Tracked vulnerabilities and remediation plan — always current.
Client Portal
Secure document exchange with clients — encrypted and audit-logged.
Backup Report
Daily encrypted backup of all ledger, tax, and client data — always recoverable.
Compliance Audit
Privacy Act and TPB compliance assessment — documented annually.
Asset Register
Every workstation, printer, and networked device — inventoried and maintained.
Patch Schedule
Automated patching for all practice software — tested before deployment.
Incident Log
Full audit trail of every IT issue, escalation, and resolution.
SLA Contract
Guaranteed same-day response for practice-critical issues.
Risk Register
Tracked vulnerabilities and remediation plan — always current.
Client Portal
Secure document exchange with clients — encrypted and audit-logged.
Backup Report
Daily encrypted backup of all ledger, tax, and client data — always recoverable.
Compliance Audit
Privacy Act and TPB compliance assessment — documented annually.
Asset Register
Every workstation, printer, and networked device — inventoried and maintained.
Patch Schedule
Automated patching for all practice software — tested before deployment.
Incident Log
Full audit trail of every IT issue, escalation, and resolution.
SLA Contract
Guaranteed same-day response for practice-critical issues.
Risk Register
Tracked vulnerabilities and remediation plan — always current.
Client Portal
Secure document exchange with clients — encrypted and audit-logged.
Backup Report
Daily encrypted backup of all ledger, tax, and client data — always recoverable.
Compliance Audit
Privacy Act and TPB compliance assessment — documented annually.
Asset Register
Every workstation, printer, and networked device — inventoried and maintained.
Patch Schedule
Automated patching for all practice software — tested before deployment.
Incident Log
Full audit trail of every IT issue, escalation, and resolution.
SLA Contract
Guaranteed same-day response for practice-critical issues.
Risk Register
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.

🛡️
Threat blocked·2m ago

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.

July 2026

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

Professional services accounting firm team with OnIT Solutions IT support

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.

With OnIT

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

Without Managed IT

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

Remote and on-site helpdesk support
24/7 system and network monitoring
Microsoft 365 and Google Workspace administration
Endpoint security and patch management
Encrypted client data backup and recovery
Xero, MYOB, and QuickBooks integration support
Multi-factor authentication on ATO portal accounts
Email security and phishing protection
Staff onboarding and offboarding (access management)
Secure client portal setup and support
Compliance-ready infrastructure documentation
Dedicated account manager

Outside standard scope

Accounting software advice or tax return preparation
Hardware purchasing (we advise; you procure)
Bespoke practice management software development
Legal compliance advisory (we support, not advise)
CCTV or physical security installation

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.

Two OnIT Solutions consultants reviewing a network diagram with Sydney Harbour Bridge visible
01Day 1

Discovery Call

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

OnIT Solutions team planning session at night with Sydney city view
02Days 2-3

Onboarding Plan

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

OnIT Solutions engineers at client site setting up IT infrastructure
03Days 4-10

Setup & Migration

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

OnIT Solutions IT operations team monitoring dashboards and server infrastructure
04Day 14+

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

J

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.

S

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.

D

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.

J

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.

D

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.

K

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.

D

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.

A

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.

N

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.

S

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.

J

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.

S

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.

D

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.

J

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.

D

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.

K

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.

D

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.

A

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.

N

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.

S

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.

J

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.

S

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.

D

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.

J

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.

D

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.

K

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.

D

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.

A

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.

N

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.

S

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.

J

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.

S

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.

D

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.

J

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.

D

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.

K

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.

D

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.

A

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.

N

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.

S

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

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.