U.S.-Registered LLC · Serving EU & International Clients

Grow your pipeline.
Automate your operations.

Keymark Agency helps growing companies acquire qualified customers through performance marketing and builds reliable custom software to remove operational bottlenecks.

U.S. Legal Entity

Keymark Agency LLC compliant contracts

Certified Competencies

Google Analytics, Meta & Technical Audits

Senior Engineering

Direct C++ & C#/.NET architecture delivery

Transparent Delivery

Clear KPIs, roadmaps, and regular reporting

Core Practices

What We Deliver

Acquisition Practice

Growth & Performance Marketing

Data-backed customer acquisition engineered to turn marketing budgets into predictable, repeatable sales pipelines.

  • High-intent Meta Ads campaigns for B2B & E-commerce
  • Conversion rate optimization (CRO) & funnel architecture
  • Pixel, CAPI, and GA4 tracking setup with audit-proof data
  • Systematic A/B testing for creative assets and landing pages
  • Transparent attribution modeling and ROI reporting
Tools: Meta Ads Manager · GA4 · Conversions API · Looker Studio
Engineering Practice

Custom Software & Automation

Reliable desktop, backend, and integration systems built to handle heavy workflows and eliminate manual errors as you scale.

  • Enterprise internal applications & desktop tools in C#/.NET
  • High-performance computing modules and algorithms in C++
  • Seamless API integrations between CRM, ERP, and accounting
  • Automated data pipelines, reporting engines, and workflow bots
  • Codebase refactoring, performance profiling, and tech debt cleanup
Stack: C# · .NET 8/9 · C++20 · SQL · REST APIs · Windows & Linux
Proven Results

Case Studies (Selected Work)

E-Commerce / Retail Meta Ads & CRO

Cross-Border Acquisition Campaign

Restructured ad account segmentation, implemented Conversions API, and deployed localized creative funnels for an expanding brand.

Outcome: -26% Cost per Purchase within 8 weeks
Service Business C#/.NET Automation

Internal Operations & Order Platform

Replaced fragile spreadsheet management with a robust C#/.NET desktop & cloud service integrated directly into client billing APIs.

Outcome: Reduced manual order processing time by 65%
Financial / Analytics C++ Engine

High-Speed Data Ingestion Pipeline

Architected a multithreaded C++ engine for streaming market data, parsing real-time signals with sub-millisecond response targets.

Outcome: Zero dropped packets during peak volatility
About Keymark

Engineering-driven Growth

Keymark Agency LLC was founded on a simple premise: marketing brings the demand, but reliable software enables businesses to deliver on that demand. We bridge the gap between customer acquisition and technical execution, helping founders scale both their pipeline and their operational capacity without bloated overhead.

Alex Daylidenok

Founder & Managing Lead

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