Custom Apps & ROI Automation for B2B Teams

B2B tech partner | Custom Apps & ROI automation

We design and ship AI-ready web & mobile platforms - SaaS, marketplaces and internal tools - using JavaScript/TypeScript (React, Next.js, Vue, Nuxt, Angular), Node.js/NestJS and Laravel/PHP, with automation on n8n and Node-RED.

What we do

We help founders and product/ops teams build and grow:

* B2B SaaS platforms and multi-tenant products
* Marketplaces & booking platforms
* Internal tools, admin portals & back-office systems
* AI-powered workflows, agents & chatbots around your existing tools
* Apps that sit on top of solid APIs - from first MVP to production and long-term evolution.

How we start

Most problems are not in the code - they come from unclear scope. We usually begin with a short discovery phase on Upwork to:

* clarify goals, users and constraints
* map key flows and data models
* propose architecture and tech choices
* define milestones, responsibilities and risks
You get a clear, realistic plan before any serious development starts.

How we work during the project

* Break work into milestones with visible progress
* Keep architecture clean and extensible (no quick hacks that become expensive later)
* Ship early usable versions, not “big bang” releases at the end
* Document APIs, flows and configs so your team isn’t locked out
* Stay available for support, iterations and new features - not just “deliver and disappear”

We’re usually a good fit when you treat development as a product investment (MVP, new platform, major refactor), not a one-off $200 bugfix.

Where AI & automation fit in

We add AI and automation where they actually help, not “because it’s trendy”:

* n8n / Node-RED workflows to remove repetitive manual work
* AI-powered outreach & campaign flows (emails, enrichment, routing)
* AI agents and chatbots for support, onboarding and internal tools
* Media & data pipelines: summaries, transcripts, tagging, reports
* Search- and AI-ready data models from day one
If automation doesn’t add ROI, we keep it simple. 

Estonia Estonia
Kesklinna linnaosa, Narva mnt 7, Tallinn, Harju 10117
+380993013514
$25 - $49/hr
10 - 49
2020

Why Sargas Agency OÜ?

  • Clear scope & plan before coding starts
  • Clean, extensible architecture - no hacks
  • AI & automation only where ROI is real

Service Focus

Focus of Web Development
  • HTML - 3%
  • HTML5 - 8%
  • CSS - 3%
  • CSS3 - 8%
  • Nginx - 4%
  • PL/SQL - 2%
  • Vue.js - 15%
  • Webpack - 5%
  • React Router - 12%
  • Sass - 15%
  • NextJS - 25%
Focus of Software Development
  • PHP - 5%
  • Javascript - 13%
  • AngularJS - 5%
  • Ajax - 1%
  • Node.js - 10%
  • Laravel - 7%
  • ReactJS - 12%
  • Agile - 3%
  • auth0 API - 1%
  • Bitbucket - 1%
  • GraphQL - 4%
  • Linux - 1%
  • Material-UI - 2%
  • MongoDB - 4%
  • Mongoose - 3%
  • PhpStorm - 1%
  • WebSockets - 2%
  • React Redux - 2%
  • Redis - 2%
  • Rust - 1%
  • Ubuntu - 1%
  • Shell script - 1%
  • Swagger - 1%
  • TypeScript - 10%
  • Svelte - 1%
  • API Development - 5%
  • Payment Gateway Development - 1%
Focus of Artificial Intelligence
  • ChatGPT Development & Integration - 12%
  • Generative AI - 15%
  • Speech & Voice Recognition - 5%
  • AI Consulting - 7%
  • AI Integration & Implementation - 20%
  • LLM Development - 10%
  • OpenAI - 8%
  • AI Agent Development - 20%
  • Vibe Coding - 3%
Focus of E-commerce Development
  • Bigcommerce - 20%
  • Custom E-commerce - 50%
  • Headless Commerce - 30%
Focus of Bot Development
  • Slack - 15%
  • Facebook Messenger - 10%
  • Telegram - 15%
  • Chatbot Development - 50%
  • Crypto Trading Bot Development - 10%
Focus of Mobile App Development
  • Enterprise Apps - 20%
  • Flutter - 2%
  • React Native - 35%
  • Firebase - 20%
  • Food Delivery App - 10%
  • Home Services App - 10%
  • Dating App - 3%

Sargas Agency OÜ's exceptional Maintenance & Support services give clients a considerable advantage over the competition.

Focus of DevOps
  • Git - 5%
  • Jenkins - 1%
  • Docker - 40%
  • Kubernetes - 30%
  • CI/CD - 4%
  • DevOps Implementation - 4%
  • AWS DevOps - 3%
  • Docker Swarm - 10%
  • Terraform - 3%
Focus of IT Services
  • Cyber Security - 3%
  • IT & Networking - 3%
  • Database Administration - 8%
  • Outsourcing - 5%
  • IT Consulting - 10%
  • Web Scraping - 5%
  • MariaDB - 4%
  • MySQL - 15%
  • PostgreSQL - 15%
  • SQL - 8%
  • Amazon DynamoDB - 3%
  • Banking as a Service - 2%
  • API Integration - 19%
Focus of Cloud Computing Services
  • Amazon (AWS) - 15%
  • SaaS - 50%
  • Amazon CloudFront - 5%
  • Amazon EC2 - 8%
  • AWS Lambda - 5%
  • AWS S3 - 10%
  • Heroku - 4%
  • Twilio - 3%
Focus of Implementation Services
  • Hubspot (CRM) - 50%
  • Zoho (CRM) - 50%
Focus of Game Development
  • Casino Game Development - 50%
  • Online Casino Game Providers - 50%
Focus of Blockchain Development
  • Smart Contract Development - 50%
  • Private Blockchain Development - 20%
  • Ethereum - 15%
  • Wallet Development - 15%

Industry Focus

  • Startups - 20%
  • Information Technology - 15%
  • E-commerce - 12%
  • Real Estate - 8%
  • Transportation & Logistics - 7%
  • Healthcare & Medical - 6%
  • Education - 5%
  • Enterprise - 5%
  • Other - 22%

Client Focus

80% Small Business
20% Medium Business

AI Tools & Purpose

n8n n8n

Workflow automation to cut manual tasks

Node-RED Node-RED

Data pipelines & integration flows

OpenAI API OpenAI API

AI agents, chatbots & content processing

GitHub Copilot GitHub Copilot

Accelerated development & code review

Claude Claude

AI coding assistant and technical writing

Grammarly Grammarly

Proofreading client docs and proposals

Canva Canva

Quick visuals for presentations and decks

Codex Codex

Code generation and review automation

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