Custom EA Development for MT4 & MT5
Turn your trading strategy into a fully automated trading system.
DensFridel builds custom Expert Advisors, indicators, modifications, and complete automated trading systems, written from your rules, tested for reliability, and delivered with clear documentation.
Development you can rely on
No exaggerated promises. Just structured, tested, and well-documented EA development.
Experienced EA Developer
Years of hands-on MQL4/MQL5 development across trend, breakout, grid, and price-action systems.
MT4 & MT5 Expertise
Comfortable working across both platforms, including API differences and platform-specific limitations.
Custom Strategy Implementation
Your entry, exit, and risk rules are translated into code exactly as specified, with no generic templates.
Clean, Structured Code
Readable, maintainable code structure so future modifications don't require starting from scratch.
Performance-Focused
Attention to execution speed, resource usage, and stability during live and backtest conditions.
Clear Communication
Straightforward updates throughout the project, with no vague status reports or disappearing acts.
Post-Development Support
Support available after delivery for bug reports and clarification on how the EA works.
Realistic Expectations
No guaranteed profits, no guaranteed performance. Just accurate implementation of your strategy.
What I can build for you
From a quick bug fix to a complete multi-strategy trading system.
Custom MT4 EA Development
Full Expert Advisor built from your strategy rules, entry logic, and risk parameters.
Custom MT5 EA Development
EA development on the MT5 platform, including multi-asset and hedging/netting account logic.
EA Modification
Add, adjust, or remove features from an existing EA, such as new filters, risk logic, or settings.
EA Bug Fixing
Diagnose and resolve incorrect behavior, crashes, or logic errors in an existing EA.
Custom Indicator Development
Indicators built to your exact calculation logic and visual requirements.
Trading Strategy Automation
Convert a documented or manual strategy into fully automated rule-based execution.
EA Optimization
Parameter and logic review to improve execution reliability and reduce unnecessary complexity.
Complex Trading System Development
Multi-strategy, multi-symbol, or portfolio-level systems with advanced risk management.
What we can build
A sample of the types of systems that can be developed based on your strategy.
How a project moves forward
A straightforward five-step process from first message to delivered EA.
Discuss Your Strategy
You explain your strategy, rules, and requirements, as detailed or as rough as you have them.
Analyze & Plan
Requirements are reviewed, edge cases are identified, and the development scope is defined clearly.
Development
The EA or indicator is programmed according to the agreed scope and tested during development.
Testing & Refinement
Implementation issues and edge cases are identified and corrected before delivery.
Delivery
The final file is delivered along with installation notes and basic usage instructions.
Starting prices, by project type
Final pricing depends on complexity, scope, and requirements.
Bug Fixing
EA Modification
Custom EA
Complex System
Need something more advanced? Contact us for a custom quote.
Start With Gold Rider
Not sure what trading strategy to turn into an EA? Gold Rider gives you a ready-made automated solution focused on XAUUSD, so you can start without building a strategy from scratch.
Frequently asked questions
Can you build an EA from my strategy?
Yes. Share your entry, exit, and risk rules and they'll be translated into a working Expert Advisor.
Can you modify an existing EA?
Yes, as long as you own the rights to modify it. Source code (.mq4/.mq5) is required for modifications.
Can you fix an EA that doesn't work correctly?
Yes. Share the file and a description of the issue, and it will be diagnosed and corrected.
Can you build custom indicators?
Yes, from simple visual tools to more complex multi-condition indicators.
How long does development take?
Timelines depend on complexity. Simple fixes may take a few days, while complex systems take longer. A timeline is provided after scope is defined.
Do you provide support after delivery?
Yes, post-delivery support is included for clarifying how the EA works and addressing reported bugs.
Can you work with existing source code?
Yes, provided you have the rights to the code and it's shared in an editable source format.
How do I request a quote?
Use the "Request a Quote" button and describe your strategy or issue. A scope and estimate will follow.