Twenty-five years of not disappearing.
Brisbane and Gold Coast. Sixteen awards, 100+ products, and a first client whose software we still run.
Built by Founders Focused on Results
We have built and raised for our own products, not only delivered other people's.
Gold Coast and Brisbane app developers, app designers, engineers, thinkers, founders and tech entrepreneurs.
Since 2001, Nathan Challen at Envisage Software has been building custom software for clients in Australia and globally. Many of our first clients are still running software we built them — which is the claim we would rather be judged on than any adjective.
Trusted by
The Founders' Desk
Nathan has been shipping software since 2001; Marisol runs delivery and growth. We are engineers, designers and operators in the same room, and we have sat on both sides of a raise — so the work includes the business model, not only the build.
- Nathan Challen on LinkedIn
Nathan Challen
technology director
- Marisol Challen on LinkedIn
Marisol Challen
operations
The record
- 25 years
- shipping software that had to pass someone's inspection
- Source: Envisage company record, trading since 2001
- 100+
- products launched
- Source: Envisage project records, August 2026
- 16
- awards, every one dated and named below
- Source: Listed in full on this page
- $10.7M
- combined valuation across the last three products we took to traction
- Source: Client-reported, August 2026
AI products we've already shipped
Agents are the newest thing we build, not the first. Two AI products that made it out of the lab and into people's hands:
Featured on The Block, Season 21Auric
AI-powered app controlling a smart diffuser to personalise mood and environment.
More on Auric →- iOS and Android app with hardware integration
- Personalised environment control — Calm, Energy, Focus, Sleep
- Real-time adjustments over IoT device integration
Product Hunt Makers Festival winner, 2021Green Habit
Chatbot that nags you into greener habits, and amplifies them by pulling other people in.
More on Green Habit →- AI-driven habit recommendations
- Progress tracking and feedback loops
- Behavioural nudges and reminders
App revenue reached $155.8 billion USD in 2025 — with users spending more on fewer, better products.
Awards
Every one dated, named, and attributable to a project you can look up. This is the list a sceptical reader should be able to check.
- Ripple CBDC Innovate 2023 — Winner, "AMADAO Gigs": cross-border escrow payments on XRPL
- Coda's AI at Work Challenge 2023 — Biggest Splash, "TimeToCoda"
- Polygon BUIDL IT 2022 — Winner, Pool & Spheron Network Prize for Web3 tool "DAO Cake"
- TRON Grand Hackathon 2022 — DevPost Award, "DAO Cake" smart contract
- Neo Polaris Launchpad 2022 — Winner, Excellence Award for "DAO Cake"
- Holon Innovate 2021 IPFS Hackathon — Winner, "EdCheck"; 2nd Prize, "Stubr"
- Product Hunt Makers Festival 2021, Green Earth edition — "GreenHabit" chatbot
- EOS.IO Global Hackathon 2018 — Cape Town Grand Final finalist, "CrowdOS"
- EOS.IO Global Hackathon 2018 — Sydney winner, "TokenTree"
- China FinMaker Competition 2018 — International finalist (Australia), "PayNinja"
- River City Labs / Telstra Muru-D accelerator 2015 — Brisbane cohort #1, "SKWOD"
- Anthill SMART 100 Innovative Companies 2014 — ranked #7
- Startup Weekend Gold Coast 2013 — Winner, "goStandby"
- GovHack Gold Coast 2013 — Winner, "simPROVAL"
- Startup Weekend Brisbane 2012 — Runner-up, "TruRevu"
- Entrepreneurial Development Institute AU 2003 — Best Marketing Plan, "Envisage Inbound"
GET IN TOUCH
Three ways in. Pick the one that sounds like you.
The route you choose does the qualifying, so nobody has to fill in a form to find out whether this is worth a conversation. Prices are here rather than behind an enquiry, because a number you can read is a better filter than a question you have to answer.
Talk to Marisol
Is this a fit? Bring the idea or the problem, and you'll get a straight read on whether we're the right team for it.
Free30 minutes
Book- Whether we are the right firm for this at all
- Roughly what the work would involve
- Who you would actually be working with
- No pitch deck, and no obligation
Consult with Nathan
Credited against the engagement if it proceeds within 60 daysA senior technical opinion you can act on — architecture, scope, or a second read on a plan someone else has given you.
$250AUD · 45 minutes · paid at booking
Book- Architecture, stack and scope, reviewed by the person who would lead the build
- A second read on a quote or a plan you have been given
- What to build first, and what to cut
- A straight answer, including if the answer is that you do not need us
Launch Gate Audit
Fee credited against remediation within 60 daysYou already have something and it is not shipping. The fixed-scope diagnostic that ends in a decision.
$3,500–$5,500AUD fixed · 5 business days
BookScoped on a $250 consult, credited against the audit fee. Invoiced once scope is agreed.
- App Store review, security, and Australian regulation where it applies
- Two-bucket report: launch blockers and after-launch
- A senior engineer validates every finding
- Ends in a fixed-price quote for the remediation
Paying for Nathan's time buys the time, not an outcome — you get his read on your situation, and if that read is "this is not a job for us" you have still had the answer you came for. Build engagements start from $30,000 AUD. We do not develop games.