Sydney, Australia
Custom Software Development Company in Sydney
Searching for a custom software development company Sydney finance and professional services teams can rely on? BinaryBrill builds software for firms where records, approvals and reporting have to be right. Our team is 45+ senior, in-house engineers.
We work from Mohali, India, and serve Sydney remotely, with no office in the city. The overlap with Sydney's afternoon is real, and the people on your calls are the engineers writing the code.
A senior engineer replies within 24 hours, not a sales rep.
Custom software development company Sydney: who it is for
The natural fit for our work in Sydney is firms in financial services, fintech and professional services. Their software must make people faster and leave a trail that a regulator, auditor or partner can follow.
Packaged tools fail at the second, because the audit trail you need is specific to your firm. If your needs are ordinary, a packaged tool is the sensible choice.
Signs your Sydney business has outgrown off-the-shelf tools
Finance and fintech
Your team reconciles figures between three systems each month, and regulator reports are built by hand.
Professional services
Timesheets, matters and billing live in separate places, and partners cannot get a simple view of utilisation.
Health
Bookings, referrals and patient messages sit in different tools. Every copied detail is a privacy risk.
Retail and e-commerce
Your shop, stock and accounts disagree, and each promotion needs a developer.
What we build for Sydney teams
- Custom software development: client portals, case and approval systems and products with role-based access.
- Custom ERP development: back-office systems shaped around how your firm bills and reports. We also work with Odoo, Salesforce and SAP.
- Enterprise integrations: links between accounting, CRM, payments and your platform, so figures match everywhere.
- Workflow automation: onboarding checks, document collection and scheduled reporting handled by software.
- AI automation systems: document reading and drafting steps that a person reviews before anything goes out.
- Dedicated development teams: senior engineers who join your sprint when your own team is stretched.
Industries we work with in Sydney
Financial services and fintech
The hard parts are permissions, audit trails and clean data. We log every change and avoid shortcuts a reviewer could not follow.
Professional services
Law, accounting and advisory firms sell time and trust. Software should cut admin and give partners honest numbers.
Health
Health records are highly sensitive. We keep access narrow and discuss onshore hosting early.
Retail and e-commerce
Retailers need shop, stock and accounts to agree. We connect them through APIs.
Working across time zones with Sydney
Sydney is 4.5 h ahead of Indian Standard Time (IST), or 5.5 h ahead in daylight saving, roughly October to April. We run two-week sprints that end with a working demo in the shared window.
| Period | Sydney ahead of IST | Shared hours |
|---|---|---|
| Standard time | 4.5 h | About 13:30 to 18:00 AEST (09:00 to 13:30 IST) |
| Daylight saving, roughly Oct to Apr | 5.5 h | About 14:30 to 18:00 AEDT |
Anything you post in a Sydney morning is read and answered in the shared window.
Integrations with the tools Australia businesses use
A Sydney firm rarely replaces its finance stack. It builds around it. We connect through the tools' APIs.
- Xero and MYOB: invoices, bills and payments synchronised, so finance stops re-keying.
- Salesforce and HubSpot: client and pipeline data consistent with your operational software.
- Microsoft Dynamics 365: bespoke workflows around an existing deployment.
- Shopify: orders and stock feeding straight into accounts.
Data protection and compliance in Australia
Sydney firms work under the Privacy Act 1988 and the Australian Privacy Principles, and the Notifiable Data Breaches scheme sets out breach reporting. We are engineers, not legal advisers, so your adviser confirms the position.
In the build, we keep data collection narrow, apply role-based access and log changes to sensitive records. For onshore data, we deploy to an Australian cloud region, for example AWS Sydney or Melbourne, or Azure Australia.
Recent work
Our Australian case study is Jim's Group, a franchise network, so it sits in franchising and home services rather than finance. The lesson for Sydney firms is the scale problem: many service lines and many people behind one brand's digital presence.
Read the Jim's Group case study or browse the wider portfolio.
Engagement models and pricing
We do not quote from a web page. Cost depends on integrations, compliance work and user roles, and discovery finds those.
We start with a short paid discovery that ends in a fixed scope and price. We then build in two-week sprints with a demo each time. A dedicated team can join your sprints instead, and support after launch can be agreed separately. Code, IP, documentation and pipelines are yours from day one.
FAQs
How much does custom software development cost for a Sydney business?
There is no honest number without the scope. We start with a short paid discovery, then give you a fixed scope and a fixed price.
How do you work with Sydney teams across time zones?
Sydney is 4.5 h ahead of IST, or 5.5 h in daylight saving. We share about 13:30 to 18:00 AEST, and about 14:30 to 18:00 AEDT in summer.
Can you integrate with the tools we already use, such as Xero or MYOB?
Yes, through the tool's API. That covers Xero, MYOB, Salesforce, HubSpot, Shopify and Microsoft Dynamics 365. We check the API limits in discovery.
How do you handle data protection and privacy law in Australia?
We build with the Privacy Act 1988, the Australian Privacy Principles and the Notifiable Data Breaches scheme in mind, and use an Australian cloud region for onshore data. Your legal adviser confirms what applies.
Who owns the code and IP?
You own it all from day one: code, IP, documentation and pipelines.
Do you have an office in Sydney?
No. Our engineering team is in Mohali, India, and we deliver remotely, in Sydney's afternoon.
How soon will we see working software?
After discovery, we work in two-week sprints. Each ends with a working demo, so you see working software at the end of sprint one.
Related locations
Start a conversation about your Sydney project
Book a free consultation. A senior engineer replies within 24 hours.