All CRM App Development Firms in Illinois
Debut Infotech
5(9 reviews)AI-Augmented Product Engineering Company
Highly recommendedDebut Infotech is an AI-augmented blockchain and software development company helping organizations across financial services, healthcare, supply chain, and digital platforms build systems that perform reliably in complex, regulated environments. Founded in 2011 and blockchain-native since 2015, the company brings engineering discipline and technology depth to enterprises moving from fragmented pilots to production-grade systems. With delivery centers across the USA, UK, Canada, and India, Debut Infotech combines regional market understanding with globally distributed engineering capability — enabling clients to move with speed, consistency, and governance. Service areas: Artificial intelligence and generative AI — Enterprise LLM integration, AI agent development, retrieval-augmented generation (RAG) pipelines, predictive analytics, computer vision, and intelligent process automation embedded at the system architecture level. Blockchain and Web3 development — Smart contract engineering, DeFi protocol development, real world asset (RWA) tokenization, cryptocurrency exchange infrastructure, and enterprise blockchain on Hyperledger Fabric and Corda. Mobile application development — Native iOS, Android, and cross-platform applications (React Native, Flutter) architected for AI integration, enterprise-grade security, and sustained performance under production load. Web and software development — Full-stack web platforms, SaaS products, and enterprise software systems engineered API-first, designed for long-term maintainability and organizational scale Proven Delivery: $62M+ raised across client platforms including Ifinca, IntegraLedger, Everledger, and TĒM 90% customer success score across enterprise engagements 15 years of enterprise software delivery Fortune 500 clients and high-growth startups across 25+ industry verticals 50–249 engineers spanning AI, blockchain, and software disciplinesLooking for work in CRM App DevelopmentLocated in Cook County, United States (+2)From €10,000 for CRM App DevelopmentWorked in Others (+11)Speaks English51-200 membersELEKS
5(1 review)Your trusted partner for guaranteed software delivery
Top awardedELEKS is your trusted partner for guaranteed software delivery. Combining over 30 years of industry insight with cutting-edge AI technology, we help businesses worldwide deliver their unique software vision through bespoke full-cycle solutions.1 work in CRM App DevelopmentLocated in Las Vegas, United States (+14)From €20,000 for CRM App DevelopmentWorked in Energy & Oil (+10)Speaks English, German(+1)1001-5000 membersTaction Software LLC
(0 review)HIPAA-compliant healthcare IT, custom software & CRM solutions — built by 400+ experts since 2013.
Taction Software is a U.S.-based custom software development company specializing in HIPAA-compliant healthcare IT, CRM, and enterprise software. Headquartered in Chicago and founded in 2013, we partner with hospitals, clinics, payers, and digital health startups to design and build secure, scalable healthcare technology — including EHR/EMR integrations (Epic, Cerner, Athena), HL7/FHIR/Mirth Connect interfaces, telemedicine platforms, remote patient monitoring apps, and AI-powered clinical solutions. Backed by 400+ healthcare IT experts and 20+ years of combined domain experience, Taction delivers compliant software that improves care delivery and operational efficiency.Looking for work in CRM App DevelopmentLocated in Chicago, United StatesFrom €10,000 for CRM App DevelopmentWorked in Hospitals & HealthcareSpeaks English51-200 membersHristov Development
(0 review)Hristov Development — Custom Software & AI Solutions for Startups and Growing Tech Companies
Hristov Development is a nearshore software development company based in Mexico, specializing in custom software solutions, web and mobile app development, and AI integrations. We help startups and mid-sized businesses in the U.S. scale efficiently through agile development, innovative prototypes, and long-term product support. Our experienced development team delivers fast, flexible, and cost-effective software tailored to your business goals. Whether you're building an MVP, automating processes, or launching a full-scale SaaS platform, our team is here to help you grow.Looking for work in CRM App DevelopmentLocated in Chicago, United StatesFrom €1,000 for CRM App DevelopmentWorked in Hospitals & Healthcare (+1)Speaks English11-50 membersRexsoft Inc
5(10 reviews)Your Growth Focused Web and Mobile Development Partner
Rexsoft is a custom software development company focused on building scalable digital products for startups and established businesses. For over 14 years, we have been helping companies turn ideas into structured, working systems - from MVPs to full-scale platforms. Our core expertise includes SaaS platforms, marketplaces, internal business systems (CRM/ERP), mobile applications, and AI-powered solutions. We specialize in projects where the complexity lies not only in the interface, but in the underlying logic, data consistency, and long-term scalability. We approach development as a business process, not just coding. That means we focus on: clear system architecture from the start structured data models and workflows scalability and maintainability aligning product decisions with business goals Our team includes experienced developers, project managers, and product specialists who work together to ensure that every solution is technically sound and commercially viable. We typically work in a structured process: intro call --> scope alignment --> detailed estimation --> phased development This allows our clients to fully understand the product before committing to development and reduces risk at every stage. Rexsoft is best suited for: startups building MVPs with long-term vision companies replacing or upgrading internal systems businesses looking to build scalable digital platforms We do not offer generic or template solutions - every product is built from scratch based on the specific business needs. Our goal is simple: build systems that actually work in real life, scale with the business, and create long-term value.Looking for work in CRM App DevelopmentLocated in New York, United StatesFrom €5,000 for CRM App DevelopmentWorked in Transportation (+12)Speaks English, Ukrainian51-200 membersFuzionDev LLC
5(10 reviews)Custom AI, Web & Mobile Software Built to Scale
Highly recommendedFuzionDev LLC is a custom software development company helping startups, growing businesses, and established organizations transform ideas into secure, scalable, and high-performing digital products. We specialize in artificial intelligence solutions, web and mobile application development, SaaS platforms, workflow automation, API integrations, cloud infrastructure, and UI/UX design. Our team supports the complete product lifecycle—from discovery, strategy, and architecture to development, testing, deployment, optimization, and ongoing maintenance. We build AI agents, chatbots, RAG systems, marketplaces, booking platforms, CRM and ERP solutions, customer portals, dashboards, e-commerce systems, and other custom business applications. Our core technologies include Next.js, Node.js, TypeScript, Python, React Native, PostgreSQL, AWS, Docker, OpenAI, Claude, and Gemini. Clients choose FuzionDev LLC for clear communication, transparent delivery, practical technical guidance, and dependable long-term support. Whether you are validating an MVP, modernizing an existing platform, automating business processes, or launching an AI-powered product, we turn your goals into reliable software designed to deliver measurable value and support future growth.Looking for work in CRM App DevelopmentLocated in Sheridan, United StatesFrom €1,000 for CRM App DevelopmentWorked in E-commerce (+9)Speaks English11-50 membersM TECHUB LLC
5(10 reviews)AI, Mobile App & Software Development Company
Highly recommendedTop awardedM TECHUB LLC is a US-based AI development, mobile app development, custom software development, and IT staff augmentation company. We help startups, SaaS companies, and enterprises build scalable digital products, automate business processes, and extend their engineering teams. Our AI development services include AI agents, AI chatbots, generative AI applications, RAG systems, voice assistants, workflow automation, and OpenAI API integrations. Our engineers work with Python, FastAPI, LangChain, LlamaIndex, vector databases, and leading large language models. We design and develop mobile applications for iOS and Android using React Native, Flutter, Swift, Kotlin, Firebase, and cloud technologies. Our mobile development experience covers fintech, healthcare, real estate, logistics, eCommerce, education, fitness, social networking, and SaaS platforms. Our custom software development team builds SaaS applications, enterprise software, web platforms, marketplaces, dashboards, APIs, CRM systems, and cloud-based business solutions using React.js, Next.js, Node.js, TypeScript, PostgreSQL, MongoDB, AWS, and Google Cloud. Through our IT staff augmentation services, companies can hire dedicated AI engineers, mobile developers, full-stack developers, DevOps engineers, QA specialists, UI/UX designers, and project managers. We offer flexible full-time, part-time, and dedicated-team engagement models. M TECHUB LLC provides complete product delivery, including strategy, UI/UX design, software architecture, development, testing, deployment, maintenance, and technical support. Our teams serve clients in the United States, United Kingdom, Canada, Europe, the Middle East, and other global markets.Looking for work in CRM App DevelopmentLocated in Loudoun County, United States (+2)From €3,000 for CRM App DevelopmentWorked in Banking & Financials (+7)Speaks English, Arabic(+3)51-200 membersProbey Services
5(132 reviews)World’s #1 Rated & Reviewed App & Web Development Partner
Highly recommendedTop awardedWorld’s #1 Rated & Reviewed App & Web Development Partner , Probey Services is a renowned IT and digital solutions provider , powering innovation for startups, SMEs, and growing organizations worldwide. Headquartered in London, UK , with a strong presence in India and 11 global branches, we combine global reach with deep technical expertise. Our 320+ specialists have successfully delivered 1900+ projects over the last 10+ years , helping businesses scale with mobile app development, website design & development , enterprise software solutions, AI-powered digital marketing, branding, and social media management. We proudly serve 30+ industries including retail, e-commerce, healthcare, fintech, education, travel, logistics, luxury, and more. Probey Services is rated as the #1 Tech Partner globally on Clutch, GoodFirms, and Trustpilot , we stand out for our system-driven execution, advanced tech stack, and client-first approach. Our Services: We deliver end-to-end digital solutions that don’t just work, they win. Mobile Apps – iOS & Android (React Native, Flutter, Kotlin, Swift, Java). Websites – Fast, stunning, conversion-driven (Shopify, WordPress, Magento, Joomla, Wix, Umbraco). Custom Software – ERP, CRM, SaaS, and cloud platforms (React, Node.js, Angular, .NET, Python, PHP, Ruby, Java). Digital Marketing – AI-powered SEO, PPC, and performance campaigns (SEMrush, Ahrefs, Moz, Google Ads, Analytics). Branding – Logos, identity kits, merchandise, collaterals (Figma, Adobe Suite, CorelDRAW). Social Media – Strategy, UGC/CGC, influencer collabs (Instagram, LinkedIn, YouTube, Pinterest). Awards & Recognition: Proudly recognized worldwide: Top Mobile App Development Company – Clutch (2025) Best Web & Design Agency – DesignRush (2024) Global Leader – GoodFirms (2024) Top 10 IT Companies – G2 (2024) Excellence in Digital Innovation – AppFutura (2024) Clutch Global & Champion Badge (2023 & 2024 )Looking for work in CRM App DevelopmentLocated in New York, United States (+4)From €100 for CRM App DevelopmentWorked in E-commerce (+16)Speaks English, Dutch, Belgium(+5)201-500 membersiDigitalise.net☑️
4.9(47 reviews)International Marketing Agency 💬+1 7377101095 📧 ihelp@idigitalise.net
Highly recommendedTop awardediDigitalise® is a global digital marketing and technology company with a presence across India, the India, Albania, Europe and the UAE. More than 200 businesses across 50 countries have worked with us for digital marketing, website development, custom software, technology consulting, creative design, cloud solutions and digital transformation. Our work has contributed to 2M+ business enquiries and more than $425M in client revenue, with campaigns delivering 4x–25x ROI across different industries. Today, our team includes 90+ full-time specialists across performance marketing, SEO, technology, design, content, eCommerce and digital strategy. Our services include: - Custom WordPress Development - Website, Software & Mobile App Development - eCommerce Website Development - Search Engine Optimization (SEO) - Paid Ads Management - Creative Designs & Video Productions - Social Media MarketingLooking for work in CRM App DevelopmentLocated in South Bound Brook, United States (+31)From €1,000 for CRM App DevelopmentWorked in Internet (+28)Speaks English, Albanian(+17)51-200 membersDebugist
(0 review)YOU THINK WE BUILD
At Debugist, we believe technology should work for people not the other way around. Born from 7 years of building real software for real businesses, we are a full service digital agency offering everything from custom web and app development to cutting edge AI automations and AI receptionists. We partner with startups, small businesses, and growing enterprises who want more than just a vendor they want a team that shows up, delivers on time, and never stops pushing for better. Our work spans web development, mobile apps, ERP systems, digital marketing, graphic design, IT consulting, and AI powered solutions designed to give every business the competitive edge it deserves. We are not the biggest agency. We are the most committed one. From the first conversation to the final delivery and every update after Debugist is your technology partner for the long run. You think it. We build it.Looking for work in CRM App DevelopmentLocated in Hoffman Estates, United StatesFrom €1,000 for CRM App DevelopmentWorks in multiple industriesSpeaks English11-50 membersEchoGlobal
5(2 reviews)★ Hire Top Remote Software Developers
Top awarded☂ ISO 27001 Certified Tech Talent Provider | ⚑ Eastern Europe & LATAM | ◉ Trusted by Fortune 500 Companies | ✔ 10+ Years of Experience | ✱ 1-Week Risk-Free TrialLooking for work in CRM App DevelopmentLocated in Miami, United States (+4)From €10,000 for CRM App DevelopmentWorked in Software & Computer Services (+8)Speaks English, Estonian(+3)11-50 membersAppCrops
5(58 reviews)Turning Ideas Into Interactive Solutions
Highly recommendedAt AppCrops, we go beyond development. We partner with businesses to design, build, and scale powerful digital products that drive real growth. Our team of top app developers, UI/UX designers, and business analysts combines strategic thinking with technical excellence to deliver solutions that are both innovative and reliable. Our mission is simple: to help businesses streamline operations, unlock new opportunities, and stay competitive in an increasingly digital world. From startups to enterprises, we provide end-to-end technology services designed to turn ideas into scalable solutions. Core Services Mobile App Development High-performance iOS, Android, and cross-platform mobile applications designed with user experience, scalability, and reliability in mind. Web Design & Development Modern, responsive websites and web applications built for performance, usability, and scalability. Designed to strengthen your online presence and convert visitors into customers. Custom Software Development Secure, scalable, and tailor-made software solutions built around your specific business requirements from enterprise platforms to specialized digital tools. ERP Systems & Enterprise Solutions Robust ERP platforms that centralize business operations, streamline workflows, and improve organizational efficiency. Startup Solutions & MVP Development We help startups move from concept to launch by building scalable MVPs, validating product ideas, and preparing platforms for growth. UI/UX Design Human-centered design that focuses on usability, clarity, and visual impact to create intuitive digital experiences. Digital Transformation Consulting Strategic guidance to help businesses adopt modern technologies, optimize processes, and successfully navigate digital transformation. Why Partner with AppCrops • Agile development process • Collaborative approach • Experience across industries • Transparent communication and project delivery • Competitive pricing without compromising qualityLooking for work in CRM App DevelopmentLocated in South Houston, United StatesFrom €1,000 for CRM App DevelopmentWorked in Clothing & AccessoriesSpeaks English51-200 membersVareweb
4.9(5 reviews)Web Design, Digital Marketing & Automation That Drives Growth
RecommendedVareweb is a Dallas-based web design, digital marketing and GoHighLevel automation agency helping businesses attract more leads, improve conversions and simplify follow-up. We design conversion-focused business websites, landing pages and eCommerce stores built for strong user experience, mobile performance and search visibility. Our digital marketing services include SEO, local SEO, Generative Engine Optimization (GEO), Answer Engine Optimization (AEO), content marketing, paid advertising, social media management and conversion tracking. We also build GoHighLevel CRM and automation systems for lead capture, pipeline management, appointment booking, email and SMS follow-up, missed-call responses, nurturing campaigns and review requests. By connecting websites, marketing and automation under one team, Vareweb helps businesses move from online visibility to qualified leads and consistent customer follow-up without relying on multiple disconnected providers.1 work in CRM App DevelopmentLocated in Dallas, United StatesFrom €500 for CRM App DevelopmentWorked in Hospitals & Healthcare (+7)Speaks English51-200 membersScalability
5(5 reviews)A brand, design, and technology agency based in New York.
We are a New York–based brand, design and technology agency combining strategy, creativity, and engineering to help companies build strong brands and scalable digital products.Looking for work in CRM App DevelopmentLocated in New York, United StatesFrom €1,000 for CRM App DevelopmentWorked in Hospitals & Healthcare (+6)Speaks English, French(+2)11-50 membersLionwood.software
5(8 reviews)Find the Perfect Solution
Lionwood.software specializes in crafting custom software solutions tailored to meet the unique needs of businesses across various industries. Our expertise spans software development, application creation, IT solutions, and consultancy services. We have extensive experience building WMS, ERP, TMS, and CRM platforms. Many projects focus on transforming legacy software into cloud-ready architectures that improve performance, usability, and maintainability. Our services include: - Software Product Development Services; - Product Design Services; - MVP Development Services; - Web App Development Services; - Mobile App Development Services; - AI Software Development Services.Looking for work in CRM App DevelopmentLocated in New Castle County, United StatesFrom €5,000 for CRM App DevelopmentWorked in Marketing & Advertising (+10)Speaks English, Ukrainian51-200 membersCOAX Software
4.8(10 reviews)Smart software solutions for travel, transport & logistics
COAX Software is your partner for smart software solutions for travel, transport & logistics. Since 2010, we’ve helped industry leaders design, build, and scale products that move markets forward. From sleek mobile apps to enterprise platforms, we deliver end-to-end development, team acceleration, and AI-driven solutions engineered to be reliable, scalable, and ROI-positive. Our integrated approach connects strategy, delivery, and growth—so your product ships faster, performs better, and compounds value over time. 🏆 Top-Rated Agency on Upwork 🏆 Experts Team with 100% Job Success Rating 🏆 16 000+ delivery hours on Upwork 🏆 Net Promoter Score 9.8/10 🏆 4.9/5 at Clutch.co What makes us different: - Deep Travel & Logistics Expertise We understand bookings, reservations, fleet management, customer loyalty, and compliance. We design solutions tailored to travel and transport operations—so your customers get seamless digital experiences. - AI & Automation at the Core From AI chatbots for customer care to predictive analytics for demand forecasting—and retrieval-augmented search for ops knowledge—we apply responsible AI practices to deliver measurable impact. - Flexible Partnership Models Choose what fits now and scales later: Discovery packages, fixed-scope acceleration, or dedicated squads. Need a quick MVP or expert consulting? We adapt to your goals and pace. - Proven Track Record 15+ years, hundreds of deliveries, and a team that’s 90% mid/senior. We’re known for on-time, on-budget execution and outcomes that compound. - Global Outlook, Remote DNA Rooted in Ukraine and delivering worldwide, we operate remote-first - combining nearshore accessibility with global reach. We’re certified and partnered: ISO 9001 - international standards of quality management ISO/IEC 27001 - international standards of information security AWS Certified Solutions Architect AWS Certified AI Practitioner Early Adopter Professional Scrum Master™ I Member of the techUK trade association1 work in CRM App DevelopmentLocated in Ivano-Frankivsk, UkraineFrom €2,000 for CRM App DevelopmentWorked in E-commerce (+6)Speaks English, Ukrainian51-200 membersApptech Systems
5(6 reviews)Your Enterprise’s Next Chapter Starts Here!
Top awardedFounded in 2017, Apptech has emerged as a reliable ally for organizations on their journey towards digital transformation. We specialize in crafting a suite of digital solutions that strategically leverage the transformative power of technology. Our core expertise encompasses bespoke software, innovative web and mobile applications, and robust enterprise solutions that guide our clients toward a prosperous digital future. We are proud partners with industry giants Microsoft and Amazon, utilizing their cutting-edge technologies to deliver exceptional results. Moreover, our operations extend from our headquarters in Türkiye to the United States and Saudi Arabia. Each office is equipped to serve regional clients with tailored expertise, making us a global player in the digital solutions arena. End-to-End Software Development Web & Mobile App Development AI & Machine Learning SaaS Development PoC/MVP Development App Modernization IT Consulting Quality Assurance Services Our mission is to help enterprises accelerate the adoption of new technologies, untangle complex issues that always emerge during digital evolution, and orchestrate ongoing innovation. Whether it is a consumer-oriented app or a transformative enterprise-class solution, the company leads the process from ideation and concept to delivery and provides ongoing support through its quality framework.Looking for work in CRM App DevelopmentLocated in Lodi, United States (+3)From €5,000 for CRM App DevelopmentWorked in Household Products (+12)Speaks English, Arabic11-50 membersCache Valley Systems
5(1 review)Connected Business Systems, Built Around Your Work
Cache Valley Systems is a software development and business systems company based in Logan, Utah. We build custom software, CRM and operational systems, practical AI and workflow automation, websites, dashboards, integrations, APIs, and legacy modernization solutions around the way each organization actually works. We help businesses replace disconnected tools, reduce repetitive work, improve visibility, and create dependable workflows from sales and operations through delivery and support. Our work can include portals, internal tools, SaaS platforms, reporting systems, mobile experiences, and connected data. We serve organizations throughout Cache Valley and Utah, with structured remote delivery available across the United States.Looking for work in CRM App DevelopmentLocated in Logan, United StatesFrom €5,000 for CRM App DevelopmentWorks in multiple industriesSpeaks English1-10 membersQuikefix.com
(0 review)Quikefix: Global IT outsourcing, custom ERP, cloud architecture, cybersecurity, and AI solutions
Quikefix: Engineering Scalable Digital Growth Globally At Quikefix, we help businesses across the globe scale seamlessly with custom software development, secure cloud infrastructure, and data-driven marketing strategies. Operating out of South Africa and the United States, our engineering team builds end-to-end digital solutions designed to simplify enterprise operations and accelerate revenue growth. Our Core Expertise: Custom Software Architecture & Enterprise Systems: Specializing in custom ERP system development, WHMCS integrations, CRM applications, and CMS solutions tailored specifically to SME operational workflows. Advanced Application Engineering: Delivering robust mobile and desktop software using .NET, C++, Flutter, iOS, and cross-platform frameworks built for scale. Cybersecurity, Cloud & Data Solutions: Comprehensive security audits, Okta consulting, AWS/Azure cloud architecture, and big data engineering to keep digital assets secure and accessible. Next-Gen AI & Automation: Deployment of autonomous AI agents, Generative Engine Optimization (GEO), conversational bots, and marketing automation systems to drive conversion and efficiency. Branding, Hosting & Growth Marketing: Full-service web hosting, technical SEO, payment gateway integration, and conversion-focused branding to elevate brand presence. Whether you need to modernize legacy software, secure cloud assets, or deploy AI-powered tools, Quikefix delivers tailored, reliable, and scalable technology solutions built to take your operations to the next level.Looking for work in CRM App DevelopmentLocated in Queens County, United StatesFrom €1,000 for CRM App DevelopmentWorked in E-commerceSpeaks English11-50 membersGarraje
5(11 reviews)Garraje | In Digital We Trust.
Highly recommendedTop awardedGarraje is a 360° Digital, Public Relations and Marketing agency based in Istanbul, Miami, Dubai and Casablanca, serving clients in the USA and EMEA region. Garraje was initially launched in 2013 with the goal of offering an advertising solution that was data driven, transparent, and people centered. We are a borderless agency, which works with clients across the globe and are able to do so due to our culturally diverse, performance driven and technology savvy team. Why choose us? The world is changing rapidly, today’s business challenges are more complex than ever and brands are struggling to stay ahead. Today’s marketing challenges need agile, global, multi-disciplined teams of experienced minds. Traditional advertising, marketing and digital agencies are built around fixed head costs, siloed profit centres and limited in-house capabilities. That is why we created Garraje , the fullservice agency to identify, design, produce and measure the bravest boldest ideas that truly move your business forward. We work closely with clients from around the world, getting to the heart of their business to develop successful digital ideas and strategies that engage and convert significant, targeted results. Our partners As a leading digital and award winning agency in Istanbul, we look to engage with our clients beyond the conventional design and development agency relationship, becoming a partner to the people and companies we work with. We have a large network of more than 100 partner ( Microsoft, AWS, IBM, Google Cloud, Bing, Yandex, Yahoo, Mailchimp, WP Engine, Woocommerce, Shopify, Facebook and much more ... )Looking for work in CRM App DevelopmentLocated in Miami, United States (+1)From €1,000 for CRM App DevelopmentWorked in Government & Administration (+9)Speaks English, Arabic(+5)11-50 members