MQL4 (MetaTrader 4)
New MT4 bots, legacy code rescue and upgrades for reliable execution.
MetaTrader 4 remains the most widely used forex platform in the world. We build new MQL4 Expert Advisors, fix and optimise existing ones, and modernise legacy code that has become fragile or slow — so your strategies keep running smoothly.
MQL4 (MetaTrader 4) Solutions
From a single strategy to a complete trading platform — engineered, tested and delivered with full source code.
New Expert Advisors
Automated MT4 strategies built from your rules, fully tested and documented.
Bug Fixes & Rescue
Diagnosis and repair of EAs that misfire, freeze or behave differently live.
Performance Tuning
Refactoring slow or bloated code to cut latency and CPU use.
Custom Indicators
Indicators and on-chart tools that match your exact trading logic.
Trade Copiers
Local and remote copiers that mirror trades between accounts.
MT4 → MT5 Migration
Porting your MQL4 systems to MQL5 while preserving behaviour.
Built for the Way Markets Really Behave
- Deep experience with MT4's order model and its quirks
- Careful handling of re-quotes, slippage and broker differences
- Legacy code documented and cleaned up as we work
- Regression testing so fixes don't break existing behaviour
- Full .mq4 source code on delivery
Project Deliverables
- .mq4 source + compiled .ex4
- Backtest / fix verification report
- Change log and documentation
- Installation assistance
- 30 days of post-launch support
From Idea to Live Trading
A clear, four-stage process that keeps you in control at every step.
Strategy Discovery
We document your entry, exit, risk and money-management rules until there is zero ambiguity.
Build & Backtest
We code the strategy, then validate it on historical data with realistic spreads, slippage and commissions.
Forward Test
The system runs on a demo or small live account so we can confirm behaviour matches the backtest.
Deploy & Support
We hand over source code, set up VPS or cloud hosting, and stay on call for updates and tuning.
Tools & Integrations
Common Questions
Can you fix an EA I don't have the source for?
Without source we can't edit it, but we can rebuild the strategy from its documented rules or observed behaviour.
Should I stay on MT4 or move to MT5?
If your broker supports MT5, migrating gives better testing and multi-asset support. We'll advise based on your setup.
How long does a typical EA take?
Simple EAs take a few days; complex multi-strategy systems take a few weeks. We confirm timelines after discovery.
Trading forex, CFDs, crypto and other leveraged products carries a high level of risk. Automated systems execute your rules but cannot guarantee profits; past or backtested performance is not indicative of future results.
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Complex, object-oriented Expert Advisors and advanced custom indicators built natively for MT5.
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High-frequency trading plugins, FIX API integrations and ultra-low-latency execution engines.
Node.js & React Dashboards
Custom trading dashboards, algorithmic SaaS platforms and real-time WebSocket bridges for crypto and equities.
Ready to Automate Your Strategy?
Share your trading idea and we'll turn it into a robust, fully tested MQL4 (MetaTrader 4) system — with full source code you own.