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Custom Application Development
Tailored software solutions built around your business — dependable, scalable, and secure by design, not bolted on.
bespokescalablesecure
Digital engineering · Tallinn, EE
Software that moves money, runs models & survives audits.
Trend IT is a full-stack engineering studio shipping custom software, AI systems, and audit-ready on-chain code — with security built in from the first commit. From startups launching their first product to enterprises modernizing the stack.
Track record
10+
Years shipping production IT — a decade of clean code and outstanding results.
Delivered
250+
Projects completed across software, web, mobile, AI, and blockchain.
Repeat business
85%
Client retention — chosen again and recommended by those we've served.
What we build
Full-stack engineering, end to end.
One team for the whole problem — from custom business software and mobile apps to AI agents, audited smart contracts, and the security that keeps it all locked down.
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Mobile Application Development
Native & cross-platform apps users love — intuitive, feature-packed, with offline support and seamless backend integration.
iOSAndroidReact NativeFlutter
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Web Development Services
High-performance, responsive websites and web apps — fast, SEO-ready, and built to convert.
Landing pagesCorporateE-commerceSaaS dashboards
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Full-Stack Software Development
Custom business tools that automate and scale — built exactly to your processes, not the other way around.
CRM / ERPDashboardsAPI platformsMicroservices
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AI & Machine Learning
State-of-the-art AI that actually makes you money — saving hundreds of work hours every month with systems built around your data.
Custom LLMs & RAGAI agentsPredictive analyticsSentimentAlpha research
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Blockchain & Smart Contracts
Battle-tested code on the chains that matter. DeFi protocols, token creation, and bridges — all prepared for third-party audits.
SolidityDeFi protocolsToken creationBridgesAudit-ready
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API Development & Integrations
Connect anything to anything — payment gateways, fiat on-ramps/off-ramps, and cross-chain bridges, wired together cleanly.
REST / GraphQLWebhooksPayment gatewaysFiat on/off-rampsCross-chain
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Operational Security (OpSec)
Harden your people, devices, and workflows — leak-proof internal systems and secure communications, with ongoing OpSec-as-a-Service retainers.
YubiKey policiesEndpoint / secure bootSecure commsClient portals
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Maintenance, DevOps & AI Infra
Keep everything fast, secure, and always online — GPU cloud setup, model monitoring, and CI/CD that never sleeps.
GPU cloudModel monitoringCI/CDUptime
Where we ship
Chains that matter, tools that hold up.
We don't chase hype. We work on the networks and the stack that production systems actually run on — and we write contracts ready to hand straight to an auditor.
// Chains
Smart contracts, DeFi, tokens, and bridges deployed across the networks our clients build on.
Ethereum
Solana
Polygon
BSC
TON
Base
Arbitrum
// Stack
The languages, frameworks, and infrastructure behind the software, AI, and security we deliver.
Solidity
Rust
Python
TypeScript
React Native
PostgreSQL
Kubernetes
RAG / LLMs
YubiKey
CI/CD
How we work
From idea to live, with no surprises.
A simple, honest process. You talk to an experienced engineer — not a salesperson — and everything is agreed upfront so you can plan your budget and launch with confidence.
01 — talk
Tell us your idea
Drop a message or book a quick call. No sales pitch — an experienced consultant listens, asks the right questions, gives honest feedback, and tells you straight away what's realistic and roughly what it costs.
€0 · free 30-min call
02 — quote
Fixed-price proposal in 48h
You get a clear, no-surprise quotation: exactly what gets built, what you receive, milestone dates, and one fixed price in euros. No hourly guessing, no "it depends."
<48h · written quote + timeline
03 — build
50% advance, we start
Once the advance is paid and the contract/NDA is signed, your project goes to the top of the queue. We open a private channel so you can follow progress and talk to us every day.
NDA · private comms channel
trend contact --now
Let's turn your idea into reality.
Whether you're launching your first product or modernizing an enterprise stack — we'd love to hear about it. We reply to every serious message, usually the same day.
Office
Laki tn 32-205
12915 Tallinn, Estonia
12915 Tallinn, Estonia
Trend IT OÜ · by appointment.