Software Development Company Sydney

Software Development Company Sydney

Software Development Company Sydney

A software development company building custom web and mobile software for businesses. Based in Sydney, delivering Australia-wide.

A software development company building custom web and mobile software for businesses. Based in Sydney, delivering Australia-wide.

A software development company building custom web and mobile software for businesses. Based in Sydney, delivering Australia-wide.

Tell us about your software project

Tell us about your software project

16+ yrs

Building software and apps

253

Companies we've worked with

1M+

Hours of engineering and development delivered

4.9/5

Average client rating on Google and Clutch

16+ yrs

Building software and apps

253

Companies we've worked with

1M+

Hours of engineering and development delivered

4.9/5

Average client rating on Google and Clutch

16+ yrs

Building software and apps

253

Companies we've worked with

1M+

Hours of engineering and development delivered

4.9/5

Average client rating on Google and Clutch

CLIENTS

253 companies have trusted us for software development

253 companies have trusted us for software development

What we offer

What we offer

What our software development company builds

What our software development company builds

What our software development company builds

Web applications

Web applications

Software your customers or staff log into from a browser, like a client portal or an online quoting system.

Software your customers or staff log into from a browser, like a client portal or an online quoting system.

SaaS and product development

SaaS and product development

For founders and businesses building software to sell. We scope the first version with you, then keep building on it once paying customers are using it.

For founders and businesses building software to sell. We scope the first version with you, then keep building on it once paying customers are using it.

Mobile apps

Mobile apps

iOS and Android apps, delivered together with the backend and admin tools that sit behind them.

iOS and Android apps, delivered together with the backend and admin tools that sit behind them.

Business systems and CRMs

Business systems and CRMs

Custom CRMs and job management systems for businesses that have outgrown spreadsheets or can't make off-the-shelf software fit.

Custom CRMs and job management systems for businesses that have outgrown spreadsheets or can't make off-the-shelf software fit.

AI features and automation

AI features and automation

We find the admin work AI can realistically take off your team's plate, then build it into the systems you already use.

We find the admin work AI can realistically take off your team's plate, then build it into the systems you already use.

Integrations and APIs

Integrations and APIs

We connect your software to the tools your business already relies on, like your CRM or payment provider, so data moves between them without anyone copying it across.

We connect your software to the tools your business already relies on, like your CRM or payment provider, so data moves between them without anyone copying it across.

Software rescue and takeover

Software rescue and takeover

For software another agency built that's stalled or keeps breaking. We audit the code, work out what's worth keeping and take over the build.

For software another agency built that's stalled or keeps breaking. We audit the code, work out what's worth keeping and take over the build.

Maintenance and support

Maintenance and support

Hosting, monitoring, security updates and bug fixes for your software once it's live, looked after by the developers who built it.

Hosting, monitoring, security updates and bug fixes for your software once it's live, looked after by the developers who built it.

Why Halcrow

Why Halcrow

Why businesses choose us as their software development company

Why businesses choose us as their software development company

Plenty of software development companies can write good code. Projects usually go wrong in the planning and in the decisions made along the way, so that's where we've focused how we work.

Plenty of software development companies can write good code. Projects usually go wrong in the planning and in the decisions made along the way, so that's where we've focused how we work.

Plenty of software development companies can write good code. Projects usually go wrong in the planning and in the decisions made along the way, so that's where we've focused how we work.

Direct access to me and my developers

I'm Sam Halcrow. I step in as fractional CTO on every project. You'll deal directly with me and with the developers working on your software.

Man in a blue t-shirt smiling confidently while standing against a light wall in sunlight

We agree on the goal before we start

Before any code is written, we agree on what the software needs to improve for your business. We measure the project against that goal, and the job isn't done until it's improved.

Woman with blonde hair and glasses wearing a white blouse, softly lit against a brown wall

A CTO accountable for every project

I lead every project personally, with 16 years of tech decisions behind me. I'll tell you which risks matter, and I'm accountable for what gets delivered.

Smiling man in a grey blazer and graphic tee, lit by window shadows on a beige wall

Technology chosen to suit your business

I recommend the approach that fits your goals and budget, whatever we used on the last project. Sometimes that's a simpler build than you expected, and if it is, I'll tell you.

Man and woman standing side by side in sunlight, both wearing light collared shirts
Direct access to me and my developers

I'm Sam Halcrow. I step in as fractional CTO on every project. You'll deal directly with me and with the developers working on your software.

Man in a blue t-shirt smiling confidently while standing against a light wall in sunlight
We agree on the goal before we start

Before any code is written, we agree on what the software needs to improve for your business. We measure the project against that goal, and the job isn't done until it's improved.

Woman with blonde hair and glasses wearing a white blouse, softly lit against a brown wall
A CTO accountable for every project

I lead every project personally, with 16 years of tech decisions behind me. I'll tell you which risks matter, and I'm accountable for what gets delivered.

Smiling man in a grey blazer and graphic tee, lit by window shadows on a beige wall
Technology chosen to suit your business

I recommend the approach that fits your goals and budget, whatever we used on the last project. Sometimes that's a simpler build than you expected, and if it is, I'll tell you.

Man and woman standing side by side in sunlight, both wearing light collared shirts

Direct access to me and my developers

I'm Sam Halcrow. I step in as fractional CTO on every project. You'll deal directly with me and with the developers working on your software.

Man in a blue t-shirt smiling confidently while standing against a light wall in sunlight

We agree on the goal before we start

Before any code is written, we agree on what the software needs to improve for your business. We measure the project against that goal, and the job isn't done until it's improved.

Woman with blonde hair and glasses wearing a white blouse, softly lit against a brown wall

A CTO accountable for every project

I lead every project personally, with 16 years of tech decisions behind me. I'll tell you which risks matter, and I'm accountable for what gets delivered.

Smiling man in a grey blazer and graphic tee, lit by window shadows on a beige wall

Technology chosen to suit your business

I recommend the approach that fits your goals and budget, whatever we used on the last project. Sometimes that's a simpler build than you expected, and if it is, I'll tell you.

Man and woman standing side by side in sunlight, both wearing light collared shirts

Case studies & RESULTS

Here's a snapshot of big wins our team has delivered

Here's a snapshot of big wins our team has delivered

Scafflinq

Scafflinq signed 12 paying customers within 90 days of launching the scaffolding inventory platform we built for them in 9 months

Scafflinq signed 12 paying customers within 90 days of launching the scaffolding inventory platform we built for them in 9 months

Scafflinq signed 12 paying customers within 90 days of launching the scaffolding inventory platform we built for them in 9 months

FMCG Analytics

FMCG Analytics went from $0 to $100K+ in monthly recurring revenue after we turned its consulting models into a SaaS platform

FMCG Analytics went from $0 to $100K+ in monthly recurring revenue after we turned its consulting models into a SaaS platform

FMCG Analytics went from $0 to $100K+ in monthly recurring revenue after we turned its consulting models into a SaaS platform

Acciona

Acciona's Westconnex field crews became 70% more productive after our tunnel mapping app cut each geological entry from 8 minutes to 2

Acciona's Westconnex field crews became 70% more productive after our tunnel mapping app cut each geological entry from 8 minutes to 2

Acciona's Westconnex field crews became 70% more productive after our tunnel mapping app cut each geological entry from 8 minutes to 2

TESTIMONIALS

Hear from the companies we've delivered software development to

Hear from the companies we've delivered software development to

Angela Bevitt-Parr

National Marketing Manager
AWS Australia

Angela Bevitt-Parr

National Marketing Manager
AWS Australia

Angela Bevitt-Parr

National Marketing Manager
AWS Australia

Tim Buric

Chief Technology Officer
Agilyx & MUNIvers

Tim Buric

Chief Technology Officer
Agilyx & MUNIvers

Tim Buric

Chief Technology Officer
Agilyx & MUNIvers

Kelvin Kenney

Chief Executive Officer
Bow Wow Meow

Kelvin Kenney

Chief Executive Officer
Bow Wow Meow

Kelvin Kenney

Chief Executive Officer
Bow Wow Meow

“Sam and his team operate as a trusted partner at every stage of delivery. They’re pivotal in bringing engineering maturity to coordinate and execute large, complex projects.”

"Sam and his team operate as a trusted partner at every stage of delivery. They're pivotal in bringing engineering maturity to coordinate and execute large, complex projects."

Arun Prasad, Founder AIWhispr

“Sam took the time to understand our business and knew all the tech we needed. It was a pleasure to work with him and his team as they acted as an extension of our team.”

“Sam took the time to understand our business and knew all the tech we needed. It was a pleasure to work with him and his team as they acted as an extension of our team.”

Luke Schwigtenberg, Head of R&D Banktech

“From the concept design meeting, Sam exceeded our expectations. He understood what our needs were, and his engineers worked quickly from brief to going live.”

"From the concept design meeting, Sam exceeded our expectations. He understood what our needs were, and his engineers worked quickly from brief to going live."

Rouad El-Ayoubi, CEO Alliance Project Group

”Sam and his team’s expertise, Ways of Working framework, and mastery of their craft truly set them apart. This is the beauty of partnering with them. We extend our technical capabilities seamlessly without the overhead of hiring in-house.”

”Sam and his team's expertise, Ways of Working framework, and mastery of their craft truly set them apart. This is the beauty of partnering with them. We extend our technical capabilities seamlessly without the overhead of hiring in-house.”

Angela Bevitt-Parr, CMO AWS Australia

“With a deep understanding of our business needs, Sam leads an efficient process in delivering quality outputs.”

Kelvin Kenney, CEO Bow Wow Meow

“Working with Sam has been a turning point for our business. In addition to bringing structure to the development work, we also benefitted from his insight into emerging trends and technologies, as well as efficient and effective solutions.”

"Working with Sam has been a turning point for our business. In addition to bringing structure to the development work, we also benefitted from his insight into emerging trends and technologies, as well as efficient and effective solutions."

Adrian Black, Founder Ticked Off

“In a short period of time, Sam demonstrated an exceptional ability to align the right technical expertise with our specific needs.”

“In a short period of time, Sam demonstrated an exceptional ability to align the right technical expertise with our specific needs.”

Tim Buric, CTO Agilyx

“Sam guided us through the design and development process in a way we wouldn’t be able to do on our own. We’re very happy to partner with him.”

“Sam guided us through the design and development process in a way we wouldn't be able to do on our own. We’re very happy to partner with him.”

Thomas Roper, Engineer Lendlease

“I’ve worked with Sam and his team for over 4 years over multiple projects. Phenomenal.”

"I've worked with Sam and his team for over 4 years over multiple projects. Phenomenal.”

Andrew Raso, Group-CEO Online Marketing Gurus

“Sam and his team are great. They built really cool tools for us, and we look forward to doing more together as partners.”

"Sam and his team are great. They built really cool tools for us, and we look forward to doing more together as partners.”

Matthew Freebury, Director FMCG Analytics

“We spotted a market gap, and Sam helped us seize it quickly. His team built a product that gave us real advantage.”

“We spotted a market gap, and Sam helped us seize it quickly. His team built a product that gave us real advantage.”

Michael Soukie, Founder Scafflinq

“Sam introduced remarkable insights, and his passion for world-class quality delivered wonderful results for the business.”

"Sam introduced remarkable insights, and his passion for world-class quality delivered wonderful results for the business.”

George Betsis, Founder Stickytape

“Sam has a keen understanding of our company and our clients’ needs. His technical knowledge enables him to deploy solutions that continue to further our growth.”

“Sam has a keen understanding of our company and our clients’ needs. His technical knowledge enables him to deploy solutions that continue to further our growth.”

Michael Kalucy, Managing Director Workhouse

“Sam is everything we want in a fractional CTO. He understands our needs, works as if he owns the product, and comes up with innovative solutions quickly.”

“Sam is everything we want in a fractional CTO. He understands our needs, works as if he owns the product, and comes up with innovative solutions quickly.”

Malaz Majanni, CEO OnePath Network

“Sam’s competency, attention to detail, and technical skills were impressive. What he built with us has been adding value to our business for over 5 years.”

“Sam's competency, attention to detail, and technical skills were impressive. What he built with us has been adding value to our business for over 5 years.”

Anastasia Lobanova, SAP Analyst Agrana Fruit

“Sam took a concept and together with his team, turned it into a product we’re genuinely proud of. Their passion makes them a joy to work with.”

“Sam took a concept and together with his team, turned it into a product we’re genuinely proud of. Their passion makes them a joy to work with.”

Trent Carney, Founder MyCanary

WHAT WE DO, IN PLAIN TERMS

Custom Software Development Company in Sydney

I'm Sam Halcrow. I'm a Sydney-based Fractional CTO running a software development company with clients across Australia. My team and I have delivered over one million hours of engineering to 253 companies in 16 years.

Software Development Services

Bespoke Software Development for Your Business

Enterprise Software Development and Integrations

Cloud and AI Engineering

Timelines, Tech Stack and Existing Builds

Why Choose Us for Software Development

HOW TO START working with us

HOW TO START working with us

Work with our software development company

Work with our software development company

Three steps to start. The first one costs you nothing but gives you what you need at this moment.

Three steps to start. The first one costs you nothing but gives you what you need at this moment.

STEP 1

Tell us about your project

Describe what you want to build or fix. We'll ask the questions that matter for the build.

Describe what you want to build or fix. We'll ask the questions that matter for the build.

STEP 2

We send you a scope

You get a written plan with phases and honest estimates, plus the risks we can see, clear enough for your leadership team to follow. You keep it whether or not we end up working together.

You get a written plan with phases and honest estimates, plus the risks we can see, clear enough for your leadership team to follow. You keep it whether or not we end up working together.

STEP 3

We start building

Once you decide to go ahead, our developers get to work, with regular check-ins so you always know where the build is up to.

Once you decide to go ahead, our developers get to work, with regular check-ins so you always know where the build is up to.

FAQ

What we're asked on most custom software development scoping calls

How do you price?

Who owns the code and IP?

Can you take over an existing build or vendor situation?

How quickly can you start?

Where are you based?

FAQ

What we're asked on most custom software development scoping calls

How do you price?

Who owns the code and IP?

Can you take over an existing build or vendor situation?

How quickly can you start?

Where are you based?

FAQ

What we're asked on most custom software development scoping calls

How do you price?

Who owns the code and IP?

Can you take over an existing build or vendor situation?

How quickly can you start?

Where are you based?

READY?

Let's talk about your software project

Visit our office in Surry Hills

Exterior of a building with orange awnings and a sign above the door that reads “Prospect.”

Halcrow Office

Level 3, 116 Devonshire Street Surry Hills NSW 2010

Meet on a video call

A short call to talk through what you're building

© 2026 Halcrow | Privacy Policy

READY?

Let's talk about your software project

Visit our office in Surry Hills

Exterior of a building with orange awnings and a sign above the door that reads “Prospect.”

Halcrow Office

Level 3, 116 Devonshire Street Surry Hills NSW 2010

Meet on a video call

A short call to talk through what you're building

© 2026 Halcrow | Privacy Policy

READY?

Let's talk about your software project

Visit our office in Surry Hills

Exterior of a building with orange awnings and a sign above the door that reads “Prospect.”

Halcrow Office

Level 3, 116 Devonshire Street Surry Hills NSW 2010

Meet on a video call

A short call to talk through what you're building

© 2026 Halcrow | Privacy Policy