All CRM App Development Firms in New York City, NY
Rexsoft 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 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 Clothing & Accessories (+16)Speaks English, Dutch, Belgium(+5)201-500 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 membersBird Marketing
5(19 reviews)Digital Mastery, Delivered by Bird 🏆
RecommendedTop awardedBird, a globally acclaimed, multi-award-winning digital marketing agency, with prestigious offices in London, New York, and Dubai. Renowned for our exceptional expertise in the realms of Digital Marketing , we specialize in delivering cutting-edge web design , search engine optimization (SEO) , pay-per-click (PPC) advertising, and social media management . Services Web Design: Crafting bespoke, visually stunning, and user-friendly websites that resonate with your brand's identity. SEO: Implementing cutting-edge strategies to boost your online visibility, drive traffic, and ensure long-term growth. Digital Marketing: A comprehensive suite of services including PPC, Social Media Marketing, and Email Campaigns, tailored to maximize your digital impact. E-Commerce Solutions: Integrating innovative technologies to create seamless, high-converting online stores. Branding & Creative Services: Building unique brand identities that stand out in today’s competitive market. Why Choose Bird Marketing? Award-Winning Excellence: Recognized globally for our innovative solutions and results-driven approach. Expert Team: A blend of seasoned professionals from various corners of the globe, bringing diverse insights and skills. Proven Results: A track record of elevating businesses to new heights with our tailored strategies. Bird Marketing: Your Partner for Digital Excellence Connect with us to explore how we can elevate your digital presence and drive your business forward.Looking for work in CRM App DevelopmentLocated in New York, United States (+4)From €1,000 for CRM App DevelopmentWorked in Banking & Financials (+24)Speaks English11-50 membersFlatline Agency
4.9(20 reviews)Your digital pulse
Top awardedWe are a global disruptor in eCommerce, Corporate Websites and Marketing - proud to be an official Shopify Plus partner and ready to bring your digital stack to the next level! Our team of 50+ international specialists delivers innovation seamlessly through technological proficiency and award-winning designs and campaigns. We are the technical partner of established Brands like Oger, Vanilia, Shimano, Budweiser, Deloitte, Van Poelgeest, and MG Motors, delivering end-to-end solutions that cater to their individual business needs. With our in-depth knowledge of both tech and martech, Flatline provides comprehensive services that help companies achieve goals efficiently and simplify complex processes. At our core, we are focused on delivering high-quality work, fast – while leveraging the newest and best techniques available. As our client’s end-to-end development partner, we don’t simply work for them, but we deeply integrate and collaborate with each brand’s in-house teams.Looking for work in CRM App DevelopmentLocated in New York, United States (+1)From €3,000 for CRM App DevelopmentWorked in Clothing & Accessories (+11)Speaks English, Dutch(+1)51-200 membersSupercharge
(0 review)we build AI‑enabled digital products
Top awardedAt Supercharge, we create game-changing digital products positively impacting millions of lives around the world. As an end-to-end digital agency we support you through the entire life of your product, from strategy and design through data and AI-empowered development to ongoing support.Looking for work in CRM App DevelopmentLocated in New York, United States (+4)From €1,000 for CRM App DevelopmentWorked in Banking & Financials (+12)Speaks English, Dutch(+1)201-500 membersAkveo
5(1 review)Here to Build
Akveo is an international software development firm that creates innovative digital solutions to help businesses grow. Specializing in custom software, low-code/no-code platforms, and UI/UX design, we empower companies of all sizes to turn their concepts into scalable, high-performing applications. As a certified Retool development partner and React Native expert (https://www.akveo.com/services/mobile-application-development/react-native), Akveo has successfully completed 500+ projects across sectors like finance, healthcare, eCommerce, and EdTech. Our team of experienced software engineers, designers, and business analysts works collaboratively to deliver top-quality solutions. From cross-platform mobile development to MVP creation and AI-driven automation, we are dedicated to providing exceptional results that surpass client expectations.Looking for work in CRM App DevelopmentLocated in Warsaw, PolandFrom €3,000 for CRM App DevelopmentWorked in Insurance (+6)Speaks English, German(+2)51-200 membersVirtue Xolutions
5(10 reviews)Making Things Easier
Highly recommendedVirtue Xolutions is a technology-first digital agency built at the intersection of creativity, data, and smart systems. For over a decade, we have helped brands move beyond campaigns to build complete digital ecosystems by combining strategy, digital communication, software development, analytics, and media under one roof. We partner with businesses to create solutions that are insight-led, performance-driven, and designed for how the digital world actually works, helping brands not only market better, but operate smarter and scale faster.Looking for work in CRM App DevelopmentLocated in New York, United States (+2)From €300 for CRM App DevelopmentWorked in Automotive (+4)Speaks English, Arabic(+1)51-200 membersTRIARE
4.9(11 reviews)TRIARE unlocks IT potential of YOUR business
TRIARE is a WEB and MOBILE software development company based in Europe. We are delighted to offer our services as your long-term partner, taking all technical matters off your shoulders and allowing you to focus on your business development. YOU WILL GET: ✔ In-house team . Work with a dedicated team that is 100% focused on your product and located in the same office. ✔ Efficiency & transparency , as our process is based on Scrum methodology and managed by certified Scrum Masters. ✔ Fast result. Working with us, you will get the first result in 1 week. ✔ High quality, as TRIARE has well-established processes of software development and experienced specialists. ✔ Full cycle development . Our company covers all stages of development, handling everything from Discovery and prototyping to Design, development, and maintenance. ✔ IP rights . From the very beginning, you are the only owner of the intellectual property of your project materials: source code, design, documentation, etc. ✔ Warranty period will be provided for your system for free. ASPECTS OF OUR MINDSET: - Focused on results. We are focused on the result of your business with an understanding of the real goals and KPIs that our team should achieve. - Solution Provider. It means that we always come to you with solutions, not with questions. We take all technical aspects of the project off your shoulders, allowing you to focus on the marketing and business strategies. - We go the extra mile. Being a proactive company, we always think and take a step ahead. TECHNOLOGIES WE USE: - Mobile app development: Kotlin, Java, Swift, Objective-C. - Cross-platform development: Flutter, React Native. - Web frameworks: Node.JS, React.JS, PHP, Ruby on Rails.1 work in CRM App DevelopmentLocated in Fairfax, United States (+3)From €5,000 for CRM App DevelopmentWorked in Banking & Financials (+20)Speaks English, Ukrainian51-200 membersUinno
(0 review)We build products like we own them.
Uinno is a product development agency compiled of engineers and technology experts with an ownership mindset who are solely focused on solving business challenges via creating future-ready apps, websites, and digital solutions.Looking for work in CRM App DevelopmentLocated in New York, United States (+2)From €1,000 for CRM App DevelopmentWorked in Sports (+6)Speaks English, Spanish(+1)51-200 membersTabdelta Solutions
(0 review)Tabdelta is a global AI software development company in New York USA
Tabdelta is a global AI-driven software development company in New York USA delivering innovative digital solutions to startups, SMBs, and enterprises across New York and worldwide. Founded in 2019, the company specializes in custom software engineering, Microsoft technology consulting, and next-generation AI development services that accelerate digital transformation and operational efficiency. With a strong engineering foundation, Tabdelta provides end-to-end .NET development services, building secure, scalable, and cloud-ready web and enterprise applications tailored to complex business requirements. The company also empowers organizations with advanced Power BI dashboard development, enabling real-time analytics, data visualization, and informed decision-making through actionable insights. Tabdelta’s Microsoft expertise extends to MS Dynamics 365 solutions, helping businesses streamline CRM, ERP, and workflow automation with seamless integration and customized implementations. Complementing its development capabilities, the company offers comprehensive Quality Assurance services including manual testing, automation testing, and performance validation to ensure robust, high-performing software releases. As a future-focused technology partner, Tabdelta delivers AI Agent Development and Generative AI solutions that drive automation, intelligent workflows, conversational experiences, and predictive capabilities across industries. Through flexible engagement models, businesses can hire dedicated developers, QA engineers, and software engineers from Tabdelta’s skilled talent pool, enabling rapid team scaling and faster project delivery. By combining engineering excellence with AI innovation, Tabdelta continues to help global enterprises modernize legacy systems, launch intelligent products, and achieve sustainable digital growth.1 work in CRM App DevelopmentLocated in New York, United StatesFrom €1,000 for CRM App DevelopmentWorked in Software & Computer Services (+1)Speaks English11-50 membersTechWize
(0 review)Consulting Around Cloud
TechWize Consulting focuses on IT solutions for businesses. We specialise in ERP and CRM services. We offer IT consulting services to help businesses improve operations, customer engagement, and grow. We implement, customize, integrate, and offer support services for ERP and CRM solutions on Salesforce, ServiceNow, Oracle NetSuite, Microsoft Dynamics 365, and Sage Intacct. Apart from ERP and CRM solutions, TechWize additionally provides web and mobile application development. We develop AI agents, offer AI consulting services, provide data analytics, develop business intelligence, and offer marketing automation and cloud consulting in the USA. Our services help customers complete their digital transformation by providing them with secure, scalable, and AI-driven ecotech. Get in touch with TechWize Consulting, and our specialists will help you improve your digital and operational routines.Looking for work in CRM App DevelopmentLocated in New York, United StatesFrom €3,000 for CRM App DevelopmentWorked in EducationSpeaks English51-200 membersElement Media
(0 review)Comprehensive Software Solutions, All in One Place!
Element Media (aka. Creative Element Co.), headquartered in Bethlehem, is a software company specializing in a diverse range of digital services, including Web and Mobile App Development, software development, SEO Optimization, Web Hosting, Video Production, and Graphic Design. Since our establishment in 2018, we have been dedicated to providing top-tier quality and professionalism to our clients. Our forward-thinking approach ensures that the digital solutions we develop not only meet current needs but also anticipate future growth, making us one of the fastest-growing and most reputable media companies in Bethlehem. In 2024, Element Media achieved significant milestones, including the inauguration of a new office in New York , and the official registration of Element Media LLC in the US. These developments mark pivotal moments in our evolution, allowing us to extend our expertise and services to a broader audience while remaining steadfast in our dedication to excellence and innovation. Our Services Web Development: Crafted for online success. Custom Software Development: Tailored solutions for your business needs. Mobile App Development: Innovative apps for on-the-go engagement. Game App Development: Captivating gaming experiences. Progressive Web Apps: Best of both mobile and web worlds. SaaS Services & Development: Scalable business solutions. Search Engine Optimization: Boosting online visibility. Web Hosting Services: Reliable hosting solutions. Video Production: Compelling visual storytelling. Graphic Design: Visually stunning designs. Global Reach - Where we work Our reputation extends worldwide, built on a foundation of trust earned from clients across diverse regions. With a proven track record in managing large and complex projects, we consistently exceed expectations, fostering lasting relationships with our international clientele.Looking for work in CRM App DevelopmentLocated in New York, United StatesFrom €5,000 for CRM App DevelopmentWorked in RetailSpeaks English, Arabic(+1)11-50 membersWebSenor : Top Rated Technology Development Company | United States | Dubai
5(25 reviews)Supporting SMEs with Web Development | Mobile App Development | Ai | ML | Digital Marketing | On dem
Top awardedWebSenor is a Website design & development, App development, and Digital Marketing company established in 2013 which aims at building your brand name with the growth of your business and taking it to the zenith.Looking for work in CRM App DevelopmentLocated in Queens County, United States (+4)From €1,000 for CRM App DevelopmentWorked in Automotive (+14)Speaks English51-200 membersSEVEN
5(7 reviews)🏆 Exceeding Your Expectations
Top awardedSEVEN is an IT partner with time-tested expertise in solving complex software challenges requiring narrow specialization . One of our biggest strengths is finding unique approaches and solutions for startups and businesses from a wide variety of industries, including crucial ones like healthcare & education. We take pride in our ability to find the technical solution and ensure that it leaves our clients room for growth and protects them from undesirable financial and technological consequences. We apply our extensive expertise to anticipate the needs of our clients and suggest improvements from a new, fresh angle. With SEVEN, our clients team up not just with tech-savvy people but with a group of experts who know how technology influences the business and how to make it align with sustained growth in the future.2 works in CRM App DevelopmentLocated in New York, United States (+1)From €3,000 for CRM App DevelopmentWorked in Retail (+14)Speaks English, Ukrainian51-200 membersAthlon Technology
5(4 reviews)Digital experiences that drive growth
Athlon Technology is a digital design and software development agency, founded in 2006 and based in Sofia, Bulgaria. For nearly two decades, we have partnered with organisations like Deutsche Bank, PwC, Amazon, Zebra Technologies, NRG, and Fundpath to untangle complex problems and build software that works in the real world, not just on paper. Our work spans three areas: Product Design & Strategy - UX/UI design, design research, service design, and scalable design systems Engineering - Cross-platform software development, mobile and web applications, system integration, and technical architecture Digital Production Hub - A centralized production capability with dedicated producers managing end-to-end delivery, ensuring alignment across design, development, and business objectivesLooking for work in CRM App DevelopmentLocated in Kings County, United States (+2)From €5,000 for CRM App DevelopmentWorked in Telecommunications (+10)Speaks English, Bulgarian(+2)51-200 membersDebut Infotech
5(8 reviews)Results, Not Promises
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 membersSumatoSoft
5(2 reviews)Your Strategic Partner for AI Digital Evolution
Top awardedSumatoSoft specializes in digitalizing businesses by combining stable, mission-critical software with advanced AI capabilities. We empower our clients to unlock new levels of automation while ensuring their AI systems remain secure, governed, and high-performing. Why Leading Brands Choose Us: Value-First Mindset: We identify the highest-impact AI use cases for your specific industry. Reliability at Scale: We build software that handles massive loads without breaking. Future-Proof Tech: We use only relevant, battle-tested AI and software frameworks. Deep Integration: We act as your internal tech department, diving deep into your business challenges. By becoming a true technological partner, we ensure that every line of code and every AI model contributes directly to your business efficiency and market leadership.Looking for work in CRM App DevelopmentLocated in Boston, United StatesFrom €10,000 for CRM App DevelopmentWorked in Automotive (+12)Speaks English51-200 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 members