Top 15 Software Developers in Perth, WA

Perth has a software market unlike anywhere else in Australia. The biggest buyers of custom software in Western Australia are mining, oil and gas, agriculture and the state government, and they want things a Sydney fintech never asks for: field apps that work with no signal 800 kilometres from the nearest town, integrations with SAP and asset-management systems, and vendors who understand FIFO rosters and site safety. Add a growing health and education sector and a startup scene that’s been quietly maturing around the CBD, and you get a city where “software developers Perth” means very different things depending on who’s searching.

That’s the first honest thing to say about any list of custom software development companies in Perth: some of the firms that rank for that phrase are Perth-based, some have a WA office backed by teams elsewhere, and some are national or international agencies that will happily take a Perth project by video call. All three can be the right choice. What matters is knowing which you’re talking to.

So this guide is split accordingly. Perth-based studios first, then firms with a WA presence and wider delivery, then national and international players that regularly work with Perth clients. For each, the basics: where they are, what they do, and who they suit. DianApps is on the list; we have an office in Mindarie and build for WA clients, and we’ve tried to describe ourselves with the same honesty as everyone else.

What Software Development Costs in Perth in 2026

Perth sits between the east-coast capitals and the regional centres on price. Senior developer rates in 2026 run roughly AUD 130 to 200 an hour at Perth-based studios, against 180 to 260 in Sydney and Melbourne boutiques, and 60 to 90 for blended delivery with an Australian office and offshore engineering. All excluding GST, and worth confirming on every quote because not every agency says.

What Perth Projects Tend to Need

A few things come up in WA briefs far more often than elsewhere, and they’re worth raising with any vendor early:

• Offline-first field apps. Inspections, maintenance, safety checks and data capture on sites with no connectivity, syncing when a signal returns.
• Integration with heavy-industry systems. SAP, asset management, telemetry and OT data, plus the security expectations that come with them.
• Government procurement readiness. WA government and agency work has its own panels, security and accessibility requirements; WCAG 2.2 AA is now the expected standard.
• Privacy Act readiness. The small business exemption is being removed through 2026 reforms, so most business software collecting personal data now needs compliant consent and data handling.
• Time zones. Perth is two to three hours behind the east coast, which matters if your vendor’s engineers are in Sydney, and even more if they’re in Europe.

Perth-Based Software Development Companies

1. DianApps

Office: 11 Lambasa Way, Mindarie, WA, with engineering teams in India and offices in the USA, Canada and the UAE | Founded: 2017

DianApps builds custom software, mobile and web apps, AI-driven products and Salesforce solutions for WA and national clients from a Perth-area office, backed by a 150-plus engineering team offshore. The model gives you blended-delivery pricing with a local contact who understands GST, the 2026 Privacy Act changes and WCAG 2.2 AA, and enough capacity to run field apps, enterprise integrations and AI features as one project rather than three vendors.

What we do: custom software development, mobile app development (iOS, Android, Flutter, React Native), web and web app development, AI and machine learning, Salesforce development, cloud and DevOps, UI/UX design, ERP and MVP development.

Australian work worth knowing: APIAM, Australia’s largest animal healthcare group, where the platform we built cut operational cost by 75 percent across 50-plus sites; Data Pig, digitising pig health and production data for the Australian pork industry; Thousand Greens, a golf community app now used by members of 3,600-plus clubs. Elsewhere, KhataBook (50M+ users), CaratLane and Freshworks. Clutch rates DianApps 4.8 out of 5, Premier Verified.

The honest tradeoff: if you need every engineer in a Perth office, this isn’t that model. If you want a local point of contact, weekly working builds and rates below Perth-studio pricing, it’s a strong fit for startups, mid-sized firms and enterprises alike.

2. 65 Bits

Office: Perth

A Perth software development agency building bespoke web applications for local, national and international clients, with deep roots in the Perth startup community and strong technical leadership, particularly in Ruby on Rails. Best for businesses that want a local, engineering-led partner for a web platform and a long-term relationship.

3. Dapth

Office: Perth

A Perth digital transformation consultancy offering software development, mobile apps, project management and product experience design, working with Microsoft Azure, Umbraco, SharePoint, Kentico and Odoo. Best for organisations already on a Microsoft stack, or needing a consultancy that pairs strategy with delivery.

4. Bluesky Digital Labs

Office: Perth

Headquartered in Perth, Bluesky builds custom web software, mobile apps and integrated systems, with a focus on replacing outdated systems, streamlining workflows and startup scoping. Clients keep full ownership of the code. Best for local businesses modernising legacy systems or scoping a new product.

5. RediSoftware

Office: Perth

A mobile-first development company that works closely with clients from concept to launch, with an emphasis on apps that look intuitive and perform well, and continuous support after release. Best for Perth businesses whose product is primarily a mobile app.

Firms With a WA Presence and Wider Delivery

6. AGR Technologies

Presence: Australia, serving Perth clients

A software development agency with experienced designers, developers, consultants and digital marketers, working across education, eCommerce, legal, real estate, logistics and agritech for businesses of all sizes. Best for companies that want design, development and marketing under one roof.

7. Ontik Technology

Presence: Australia, Bangladesh, USA and Canada

A global software consulting and outsourcing firm delivering custom software, mobile and web apps, UI/UX, AI and ML, business intelligence, ERP and cybersecurity, with a research-driven approach to revamping existing products. Best for cost-conscious startups and SMEs with a clear brief.

8. Bista Solutions

Presence: Australia and international | Founded: 2014

A software and ERP consultancy delivering custom development alongside ERP, BPM, HRMS, BI and eCommerce solutions, from MVPs and rapid prototyping for startups to digital transformation for mid-to-large enterprises. Best for businesses whose project centres on ERP or back-office systems.

9. iCoderz Solutions

Presence: Australia and international

A full-cycle custom software company covering web and mobile apps, SaaS products, legacy modernisation, eCommerce, AI development and dedicated teams, across real estate, finance, healthcare, on-demand, media, hospitality and automotive. Best for mid-sized companies wanting a broad service range at competitive cost.

National and International Firms Serving Perth Clients

10. Wave Digital

HQ: Melbourne

An iOS, Android and web app developer with more than two decades of experience serving startups, corporates and government, known for strong strategy, mobile UX and a people-led approach. Best for early-stage apps and health or education products that need careful UX.

11. DreamWalk

HQ: Melbourne

An award-winning Australian mobile app development agency partnering with enterprises and startups on design-led digital products. Best for consumer apps where standout design and agile delivery matter most.

12. Appboxer

HQ: Sydney

An end-to-end app development agency covering native iOS and Android, hybrid apps, VR, games, web and no-code platforms, plus UX/UI design. Best for startups wanting one agency from idea discovery to launch.

13. Develux

Presence: Global, serving Australian SMEs and startups

A software development firm delivering MVPs, product design and platform builds across healthcare, eCommerce, fintech, automotive, logistics and gaming. Best for startups and SMEs that need an MVP shipped at competitive rates.

14. Yellow Systems

Presence: Global

An IT company focused on web and mobile development, chat and chatbot development, AI and ML and UI/UX, with a “business before technology” approach and strong security practices. Best for businesses adding conversational or AI features to an existing product.

15. Innowise

HQ: Europe, with offices worldwide | Founded: 2007

An international full-cycle software company with more than 1,000 specialists, delivering custom development, IT consulting, team extension and digital transformation across fintech, medtech and eCommerce. Best for enterprises needing large-scale capacity, with the time-zone gap to Perth factored in.

Why Choose a Software Development Company in Australia?

Quality standards you can hold them to. Australian firms work under local consumer, privacy and accessibility law, and the good ones build to WCAG 2.2 AA and the Privacy Act by default rather than as an audit item later.

Domain experience that fits WA. Local and Australian teams have shipped for mining, resources, health, education and government, and know what those buyers expect in security, procurement and offline capability.

Communication and time zones. Same or near-same working hours, plain-English contracts and a shared understanding of how Australian businesses operate.

Legal and ownership clarity. Contracts under Australian law, GST handled correctly and code ownership that’s straightforward to enforce.

Innovation without the risk. Australian teams adopt AI, IoT and cloud early, and the market is mature enough that you can find specialists in each without going offshore, or use a blended model to get the best of both.

How to Choose the Right Software Development Partner

Define what you actually need. Mobile app, web platform, internal system, integration, AI feature, or several. A clear brief gets comparable quotes.

Check industry experience. Ask for a project in mining, health, government or whichever sector you’re in, not just their best-looking work.

Confirm where the engineers sit. Perth-based, WA office with offshore delivery, or east-coast or overseas. All can work; the time-zone overlap and your point of contact should be explicit.

Evaluate technical fit. Offline-first, integration with your systems, security and accessibility. Ask how they’d handle your specific constraints.

Understand pricing and timeline. Fixed price, hourly or dedicated team, with milestones and what triggers a change order. Confirm GST.

Ask about ownership and support. You should own the code, accounts and data. Post-launch support should be defined: warranty, maintenance plan, response times.

Final Words

Perth’s software market rewards vendors who understand the state’s industries, its distances and its procurement rules, and that’s a different test from the one Sydney or Melbourne agencies usually face. Whether you choose a Perth-based studio, a WA office with wider delivery or a national firm working remotely, judge them on the questions above rather than the label on the directory listing.

If you’d like a WA team to scope your project honestly, tell you whether custom software is the right call and give you a phase-wise estimate rather than a range, DianApps’ Mindarie office is one conversation worth having.

Frequently Asked Questions

Who are the best software developers in Perth in 2026?

Perth-based options include DianApps (Mindarie office with blended delivery), 65 Bits, Dapth, Bluesky Digital Labs and RediSoftware. Firms with a WA presence and wider delivery include AGR Technologies, Ontik Technology, Bista Solutions and iCoderz Solutions, and national or international firms that serve Perth clients include Wave Digital, DreamWalk, Appboxer, Develux, Yellow Systems and Innowise. The right choice depends on your project, budget and how local you need the team to be.

How much does custom software development cost in Perth?

Senior developer rates at Perth-based studios run roughly AUD 130 to 200 an hour in 2026, below Sydney and Melbourne boutiques, with blended Australian-offshore delivery at 60 to 90. An internal tool or MVP typically costs $20,000 to $100,000, a mid-complexity system $60,000 to $300,000 and an enterprise or integration-heavy platform $150,000 to more than $900,000, depending on the delivery model. Add GST.

Are all the software development companies in Perth lists actually based in Perth?

No, and it’s worth checking. Many “Perth” lists include Melbourne, Sydney and overseas firms that serve Perth clients remotely. This guide separates Perth-based studios, WA-presence firms and national or international agencies so you know which you’re evaluating.

What should a Perth business look for in a software development company?

Experience with offline-first field apps, integration with industry systems such as SAP and asset management, government procurement and accessibility readiness, Privacy Act compliance, clear time-zone overlap, code ownership and defined post-launch support.

Is it better to hire a Perth-based developer or a national or offshore team?

A Perth-based studio offers in-person collaboration and local market knowledge at Perth rates. Blended teams with a WA office cut cost significantly while keeping a local contact. East-coast and overseas firms can deliver well but need clear communication plans for the time difference. Match the model to how much face-to-face work your project needs.

What compliance rules apply to software built for Perth businesses in 2026?

The Australian Privacy Act small business exemption is being removed through 2026 reforms, bringing most businesses under full privacy obligations, and WCAG 2.2 AA is the expected accessibility standard under the Disability Discrimination Act. WA government projects add their own security and procurement requirements.

How long does a custom software project take with a Perth developer?

An MVP or internal tool typically takes eight to sixteen weeks, a mid-complexity system four to six months and an enterprise or ERP platform six to fourteen months. Integrations, data migration and stakeholder approvals are what usually extend the timeline.