Top LLM Integration & Prompt Engineering Companies

A high-performing LLM Integration & Prompt Engineering solution can accelerate growth, boost customer engagement, and create new revenue streams—but only if it's built by a team you trust. Edverise makes it easy to connect with leading LLM Integration & Prompt Engineering companies around the globe. Providers and reviews are vetted extensively to ensure that we capture verified client feedback, project details, and measurable results. Use Edverise's filters to sort partners by budget, industry expertise, and location. Start comparing profiles to find the right match for your project.

Ratings Updated: August 8, 2026

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2,865 Companies

List of the Best LLM Integration & Prompt Engineering Agencies

AltheraCodeProfile set up by Edverise AI
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At AltheraCode, we assist businesses in embedding customized AI systems into their operations, converting manual processes into smart, scalable solutions. Our primary focus is on the implementation and development of AI, which includes creating custom assistants and copilots, as well as launching co
Highlights
$10,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Old Bridge, New Jersey, Us
Services Provided+7 Services
70% Custom Web Application Development
30% Mobile App Development (iOS & Android)
18% Machine Learning Model Development
15% Workflow Automation (Zapier / Make / n8n)
AI Summary
“AltheraCode specializes in developing and integrating customized AI solutions—including assistants, copilots, chatbots, and autonomous agents—enhancing enterprise automation with compliance, reliability, and scalability.”
NetMaxims TechnologiesProfile set up by Edverise AI
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At NetMaxims, we are recognized as a premier global company in AI app and software development, assisting startups, scale-ups, and enterprises in transforming their ideas into significant digital products. Our expertise lies in custom web and mobile app development, SaaS platforms, and AI-driven sol
Highlights
$5,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Miami, Florida, Us
Services Provided+8 Services
25% Custom Web Application Development
30% Mobile App Development (iOS & Android)
25% SaaS Product Development
5% E-Commerce Development
AI Summary
“NetMaxims Technologies specializes in custom AI-driven web and mobile app development, delivering scalable, reliable SaaS and enterprise solutions worldwide with a user-centric, agile approach.”
BEON.techProfile set up by Edverise AI
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We match exceptional, English-speaking engineers with strong academic backgrounds, who are driven by AI, to U.S. companies seeking to expand with top talent. Recognized as the #1 firm in Clutch’s Global Staff Augmentation Services and named the #1 Great Place to Work for Millennials, we emphasize th
Highlights
$50,000+
Min Project Size
25-49
Avg Hourly Rate
50-249
Employees
Buenos Aires, Ar
Services Provided+15 Services
5% Conversational AI & Voice Assistant Development
5% AI Agent & Multi-Agent System Development
5% AI-Powered Document Processing
10% Generative AI
AI Summary
“BEON.tech matches top AI-driven English-speaking engineers with U.S. companies, delivering innovative, efficient software solutions that enhance scalability while respecting security and privacy.”
fxis.aiProfile set up by Edverise AI
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fxis.ai is among the pioneering AI companies that have always prioritized Artificial Intelligence as their foundation, rather than merely following trends. Our experienced engineering team focuses on integrating AI into core software systems rather than treating it as a side project or a fleeting in
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
50-249
Employees
Ahmedabad, Gujarat, In
Services Provided+14 Services
10% AI Strategy & Roadmap Consulting
15% LLM Integration & Prompt Engineering
5% Custom AI Chatbot Development
10% Machine Learning Model Development
AI Summary
“fxis.ai pioneers enterprise AI solutions with custom large language models, generative AI, and smart SaaS, emphasizing engineering excellence, business alignment, and long-term partnerships.”
LemberProfile set up by Edverise AI
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We are a Ukrainian company now located in Europe, operating globally. As an IT firm, we specialize in creating customized products, innovative CRM systems, and state-of-the-art SaaS solutions. Our skilled team is proficient in designing user-focused interfaces and utilizes a wide range of advanced t
Highlights
$25,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Kyiv, Ua
Services Provided+7 Services
65% Custom Web Application Development
35% Mobile App Development (iOS & Android)
25% Product UX Strategy
40% Mobile App UI Design
AI Summary
“Lember is a Ukraine-born, Europe-based IT company specializing in custom software, CRM, SaaS, UX/UI design, and cloud solutions across diverse industries with advanced technologies.”
Startup HouseProfile set up by Edverise AI
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Hello! We are SH, an AI Software Engineering Company specializing in creating digital products, from initial concept to fully-fledged applications. We provide comprehensive innovative solutions, including research, product strategy, UX/UI design, engineering, and sustainable product growth powered b
Highlights
$10,000+
Min Project Size
50-99
Avg Hourly Rate
50-249
Employees
Warszawa, Masovian, Pl
Services Provided+16 Services
60% Custom Web Application Development
40% Mobile App Development (iOS & Android)
35% Product UX Strategy
25% UX Research & Usability Testing
AI Summary
“Startup House is an AI-focused software engineering firm delivering end-to-end digital product solutions, including AI integration, web and mobile development, UX/UI design, and product growth across diverse industries globally.”
Evangelist AppsProfile set up by Edverise AI
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Evangelist Apps, an official partner of Microsoft AI Cloud, provides customized digital solutions geared towards achieving business goals. We focus on mobile applications, web applications, AI innovations, bespoke software, and data-centric platforms to assist both startups and established enterpris
Highlights
$25,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Fleet, England, Gb
Services Provided+13 Services
30% Mobile App Development (iOS & Android)
30% Custom Web Application Development
20% API Development & Integration
10% Legacy System Modernization
AI Summary
“Evangelist Apps, a Microsoft AI Cloud partner, delivers customized, cost-effective digital solutions including mobile, web, AI innovations, and bespoke software to startups and enterprises worldwide.”
Plotr AIProfile set up by Edverise AI
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We view AI as a means to enhance human capabilities rather than a mysterious entity that causes confusion. Our goal is to develop AI products that are both potent and comprehensible, offering advanced features while remaining user-friendly. Each product we develop aims to empower teams—be it through
Highlights
$25,000+
Min Project Size
150+
Avg Hourly Rate
2-9
Employees
Pflugerville, Texas, Us
Services Provided+8 Services
30% API Development & Integration
10% Legacy System Modernization
40% Custom Web Application Development
20% Mobile App Development (iOS & Android)
AI Summary
“Plotr AI develops advanced yet user-friendly AI tools that empower teams to manage workflows, create presentations, and produce video content, shaping future business operations in the AI era.”
Logicspice Consultancy Pvt Ltd.Profile set up by Edverise AI
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Logicspice: Your Reliable Partner for Innovative Software Solutions With over 19 years of experience, Logicspice has empowered more than 1500 businesses globally, ranging from startups to large enterprises, by providing customized software solutions. Our proficiency in developing tailored web and m
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
50-249
Employees
Jaipur, Rajasthan, In
Services Provided+12 Services
50% Custom Web Application Development
10% Blockchain & Web3 Development
40% Mobile App Development (iOS & Android)
5% ERP Consulting and SI
AI Summary
“Logicspice Consultancy Pvt Ltd. delivers innovative, customized web and mobile software solutions across various industries, leveraging advanced technologies to support over 1500 clients globally with scalable applications.”
IJONISProfile set up by Edverise AI
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IJONIS is an artificial intelligence agency located in Hamburg, Germany, specializing in creating AI agents, automating workflows, and developing custom software solutions for mid-market companies throughout Europe. Our services include: - **AI Agents:** Autonomous systems that independently manage
Highlights
$10,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Hamburg, Hamburg, De
Services Provided+6 Services
100% Custom Web Application Development
25% LLM Integration & Prompt Engineering
20% Workflow Automation (Zapier / Make / n8n)
5% IT Staff Augmentation
AI Summary
“IJONIS, a Hamburg-based AI agency, delivers custom AI agents, workflow automation, and software solutions for European mid-market companies, emphasizing functional systems and measurable ROI.”

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