Custom Software Development Company in Australia

GreyScript AI is a custom software and AI development company. We ship AI-native web and mobile apps, intelligent agents, MCP tooling, retrieval, automation, and AI inside products you already run, in Australia.

Australian buyers often search for a custom software development company in Australia or an AI development partner that can take a use case into production. That is the work we do. Engagements start with a 30-minute scoping call. We reply within one business day. There is no published price list.

Custom AI and software we build

We are a custom software and AI development company, building in Australia. Each of the fourteen services is scoped on its own: web and mobile apps, agents, MCP tooling, integration, automation, and more. A strategy engagement does not commit you to a build.

AI strategy and readinessScore the ideas before any engineering starts. Usually 2 to 4 weeks. AI-native web and SaaSA new product where AI is the core, not a feature added later. AI-native mobile appsiOS and Android, with on-device inference where latency or privacy needs it. AI agents and copilotsCopilots, chat products, and multi-agent workflows, with a person on the actions that matter. MCP and agent toolingSafe, structured access to your database, internal APIs, and other tools. Custom modelsFine-tuning when a general-purpose model is not accurate enough. AI integrationAI added to a product you already ship, inside the current codebase. MLOpsDeploy, watch latency and drift, and keep token cost under control. Vision and languageDocuments, images, and text classification. Workflow automationThe internal process that actually wastes time, then the tools around it. Data preparationPipelines, cleaning, and schemas so retrieval and fine-tuning are reliable. Voice AIPhone lines and in-app voice, with a handoff to a person. Chatbots and website copilotsPre-sales and support, grounded on a curated knowledge base. AI governance and securityPrompt injection, tool misuse, and data exposure, before or after launch.

Examples from our work

These are illustrative examples. The company in each one is anonymized, and the figures are not a documented client result.

61% Support agent for a regulated lender Retrieval, guardrails, and an audit trail. Answers stay on retrieved sources. Read the case study 61% Fraud model for payments Fewer false positives, without adding fraud loss. Read the case study 1 day KYC intake for a credit union Median account opening, down from five days. A person still decides. Read the case study 96% Coverage answers that cite the clause The system stops when the policy does not contain the answer. Read the case study 11 Adversarial security review Exploitable findings, including three rated critical. Read the case study

Working with us

Calls can land in Australian business hours when that helps your team. The same engineers who scope the work deploy it. A person on your side still approves the actions that matter, and answers that touch a customer record stay on a source.

After the scoping call you get a written proposal with scope, timeline, and price before any build starts.

Most engagements start with the AI strategy work: a short, fixed-scope pass over your use cases before any build begins. If a use case does not hold up under that review, we say so before any engineering starts.

From first call to production

1DiscoveryMap your data and the narrowest use case that can prove value.

2PrototypeA working system against real data, measured before build.

3PilotA limited slice of real usage, before we harden it.

4ProductionThe same engineers integrate, monitor, and ship.

5OperateWe stay on latency, cost, and model updates.

See the full approach

Privacy and security for Australian products

We build so your product can meet the privacy and security expectations Australian teams already work under. We are not a certified compliance vendor.

Privacy Act 1988 and the Australian Privacy Principles. Purpose, minimization, access control, and a clear path when someone asks what you hold or asks for a correction.

Security review for prompt injection, tool misuse, and data exposure, on the governance engagement or inside a build.

Human approval on the actions that matter. The model can draft and retrieve; your team still decides.

Source-backed answers when the system touches a customer or operational record. If the source is missing, the system says so.

Browse all case studies and the industries we write for, including fintech, healthcare, banking, insurance, payments, SaaS and mobile, retail, and logistics. We also work with companies in United States, Europe, United Kingdom, and Netherlands.

Start a project

Book a scoping call. It is 30 minutes, with no deck. Tell us what you are building, what data it touches, and how you would measure success. Email contactus@greyscripttech.com. Read how this website handles personal information.

Questions

Is GreyScript AI a custom software development company in Australia?

Yes. GreyScript AI is a custom software and AI development company operating in Australia. We ship web and mobile apps, AI agents, MCP tooling, RAG, automation, and integration.

What do you build for Australian companies?

Fourteen services, each scoped on its own: strategy, AI-native web and mobile, agents, MCP tooling, custom models, integration, MLOps, vision and language, automation, data preparation, voice, chatbots, and governance.

Do you publish Australian prices?

No. There is no published price list. A scoping call is how a range gets set.

Do you certify Privacy Act compliance?

No. We design for the Privacy Act 1988 and the Australian Privacy Principles. We are not a certified compliance vendor, and we do not give a legal opinion.

Are the case studies real client results?

No. Case studies on this site are illustrative. The company is anonymized, and the figures are not a documented client result.

Can we hire a single service?

Yes. A strategy engagement does not commit you to a build.

What time zone do you work in?

We take Australian engagements remotely and can schedule calls in Australian business hours when that helps your team. We reply within one business day.