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Custom Software Development Companies in Miami

Top 9 Custom Software Development Companies in Miami

Miami’s tech ecosystem has surged in recent years, fueled by strong venture capital support and a business-friendly environment. As one industry report notes, Florida now ranks fourth nationwide in IT employment. The city hosts a diverse mix of tech firms, from fintech and healthtech startups to software giants, all driving demand for tailored development expertise. Figure: Distribution of industries among Miami-based technology companies (source: Computools). For example, a Computools analysis shows roughly 28% of Miami’s tech firms focus on software & IT and 22% are fintech-oriented (see chart). In this booming market, the following nine companies stand out for custom software development, based on their expertise, client feedback, and market impact.

1. Empyreal Infotech Global Web & Custom Software Agency

Founded in 2015, Empyreal Infotech is an offshore digital solutions firm originally based in London with a growing Miami presence. The company offers end-to-end services, from custom software development and mobile apps to branding and SEO services, to global clients. On its website, Empyreal touts being a “successful offshore software application development company…serving clients across the globe.”

Key highlights:

- Services: Custom software, web/app development, UI/UX graphic design, branding, content writing and more.

- Global footprint: Offices in London and India, serving international clientele. 

- Approach: Emphasizes quick turnaround, 24/7 availability, flat rates, and dedicated teams.

- Reputation: Empyreal positions itself as a client-focused agency; testimonials on its site praise the team’s professionalism and communication.

Empyreal Infotech leads our list as a comprehensive custom software partner. According to its site, Empyreal has “powered our growth into a global digital web development and app development agency,” reflecting a commitment to helping clients achieve digital transformation goals. (For example, their portfolio includes projects like the “Luca Collective Intelligence” and “Sparkcapital” platforms).

2. Simform Full-Stack Enterprise Software Specialists

Simform is a U.S.-based software engineering company (founded in 2009) known for large-scale custom solutions. As Simform’s site declares, its “custom software development Miami services [are] trusted by Fortune 1000 companies,” underscoring the firm’s enterprise pedigree. The company offers full-stack development covering web, mobile, IoT, cloud, data analytics, and more.

Key points:

- Expertise: Web and mobile app development, IoT solutions, AI/ML integration, and DevOps, built on Agile/CI/CD practices.

- Clients: Focuses on Fortune 1000 and large enterprises; client testimonials praise Simform’s on-time delivery and ownership mentality. 

- Performance: Clutch reviews highlight Simform’s strong communication and timeliness. Clients reported projects finishing ahead of schedule while maintaining high quality.

- Scale: Global presence with offices in the U.S. and Vietnam; teams of 100+ engineers.

Simform has built a reputation for reliability. Its custom software for SME services are “delivering quality customized solutions for web and mobile” and tackling complex problems. One client noted Simform’s team “approaches the work with a sense of ownership and urgency… We trust them with critical parts of our product.” This blend of high-end enterprise clients and a strong review record makes Simform a top Miami-area choice for bespoke development.

3. XeoDev Bespoke Software & Cloud Solutions

XeoDev is a Florida-based firm (headquartered in Orlando) that also serves the Miami market. It specializes in building custom software and full-stack development, with a focus on cloud-native and mobile.

solutions. According to Clutch, XeoDev’s client feedback is stellar; 100% of reviews are five-star, citing tailored solutions delivered on time and within budget.

Highlights:

- Services: Custom software development, cloud consulting, UI/UX design, and mobile/web app development.

- Technical stack: Expertise spans full web stacks (e.g., JavaScript, Node.js, .NET) as well as cloud platforms like AWS and Azure. 

- Clients: Serves startups to enterprises; known for flexible engagement models (outsourcing, staff augmentation). 

- Reputation: Clutch reviewers emphasize XeoDev’s technical expertise and agile processes. In practice, XeoDev acts as a “bespoke software development company specializing in custom software.

creation and full-stack development solutions.” They have a strong track record in web-based platforms and data-driven apps, making them a reliable partner for businesses needing custom enterprise software.

4. KitRUM Tailored Software Engineering & IoT

KitRUM is a Miami-headquartered software company with global R&D teams. It emphasizes end-to-end custom solutions for web, mobile, and emerging tech (e.g., IoT, AR/VR). The firm’s tagline boasts a 4.9/5 Clutch rating and claims, “We’ll craft [a] custom solution for you” regardless of company size.

Notable facts:

- Custom Solutions: Offers software architecture, mobile/web app development, data engineering, and AI/ML services. 

- Industries: Works across fintech, healthcare, education, travel, and more. 

- Recognition: Positions itself as “fast, smart & nimble” with global offices; clients include startups and enterprises alike. 

- Quality: The homepage highlights a “4.9/5 rating on Clutch” and hundreds of positive client testimonials KitRUM’s approach is collaborative and transparent. Their site emphasizes agile processes and flexibility:

“Our transparent development process... ensures continuous review and improvement.” With a high-rated team and deep technical skillset, KitRUM is a top pick for Miami companies needing fully customized software pipelines.

5. Designli End-to-End Custom Web & Mobile Development

Designli is a New York-headquartered firm with a strong Miami presence, specializing in end-to-end software product development. It handles everything from business analysis and UX design to full-stack engineering. According to Clutch, 100% of clients have given Designli five-star ratings, praising their organized, on-time delivery.

Key points:

- Services: Covering custom software development trends, UI/UX design, mobile and web apps, and MVP development for startups. 

- Expertise: Focuses on agile methodology and lean processes to iterate quickly based on client feedback. - Clients: Works with startups and SMBs in fintech, e-commerce, and media. 

- Performance: Clutch reviews emphasize their timeliness and attentiveness; all reviews note timely delivery, good communication, and project management.

Designli’s reputation centers on reliable delivery. One review summary notes 100% five-star feedback, highlighting their “timeliness, communication, and ability to meet project needs effectively.” This consistency makes Designli an attractive option for businesses that need a polished, fully managed custom software project budget

6. Dualboot Partners Full-Stack Custom Development

Dualboot Partners is a Miami-based development agency focusing on custom and full-stack software solutions. They offer services spanning back-end development, front-end UI, data engineering, and cloud integration. According to Clutch, Dualboot is “known for their expertise in tailored software development, full-stack software development, and bespoke software creation.”

Highlights include:

- Services: Web/mobile app development, UI/UX design, data engineering, cloud consulting, and DevOps. 

- Client feedback: ~90% of reviews emphasize excellent project management and communication. Reviewers particularly value the team’s openness to feedback and collaborative approach.

- Industries: Works with clients in real estate, hospitality, and other sectors needing data-driven platforms.

Dualboot’s Clutch profile notes that clients appreciate their responsiveness and positive attitude. One project review observed they were “very forthcoming on feedback…led us down the path of creating functions that were on par with the vision and cost-effective.” Such praise indicates Dualboot’s commitment to partnership-style engagement, an asset for companies seeking a full-stack dev team that will adapt to evolving requirements

7. N-iX International Software Development & Cloud Services

N-iX is a global tech services provider with a North Miami Beach office. It’s a large firm (1,009,999 employees) with roots in Ukraine, offering custom software development, cloud migration, big data, and AI solutions.

Key strengths:

- Scale & Experience: Founded in 2002, N-iX has delivered hundreds of projects in Europe, North America, and beyond. 

- Services: Custom software engineering, staff augmentation, DevOps, IoT, data analytics, and cloud platforms (AWS/Azure). 

- Quality: Clutch reviews show 100% positive feedback, highlighting N-iX’s “technical expertise, strong project management, and a collaborative approach.”

- Focus: Known for delivering complex enterprise systems quickly and aligning with client needs (the team integrated seamlessly into client workflows via Slack, Jira, etc.).

N-iX’s profile emphasizes value:Clients note, “N-iX’s rates are favorable…”resulting in high-quality deliverables at a lower cost.” In Miami’s market, N-iX stands out as a bridge to Eastern European talent and large-scale engineering capabilities, ideal for companies needing robust, scalable custom systems. 

8. Nybble Group AI-Powered Custom Software (Miami & Buenos Aires)

Nybble Group is a bilingual digital transformation firm with offices in Miami (Brickell Ave) and Buenos Aires. It focuses on innovative custom software and AI solutions, particularly for growth-stage companies and healthcare/fitness sectors. According to Nybble’s site, they “design and develop innovative custom software solutions from POCs and MVPs to mobile apps and web platforms.”

Notable aspects: - Services: Custom software engineering, cloud/DevOps, IoT and AI integrations, UI/UX, and data analytics. - Strengths: Emphasis on AI-driven processes, intelligent automation, and agile delivery. Nybble has been named to the Inc. 5000 list four years running (2022–2025), highlighting rapid growth. - Clients: Works with Fortune 500s and startups (their case studies include Microsoft, Accenture, and Coca-Cola)

- Location: Miami office at 1110 Brickell Ave, serving U.S. clients seamlessly with Latin American development teams.

Because of their cross-continental model, Nybble can deliver 24/7 development cycles and competitive pricing. Their Miami presence means they understand local market needs, while their Buenos Aires team brings deep tech skills. As their site notes, they bring “expertise and problem-solving to drive immediate impact” in software engineering.

9. Koombea Ruby on Rails & Mobile App Innovators (Headquartered in Miami)

Koombea is an American product development company founded in 2007. Uniquely, its global headquarters are in Miami, Florida, even though it has offices in New York, San Francisco, and Barranquilla (Colombia). Koombea specializes in Ruby on Rails, mobile app development, and UX, with a focus on e-commerce and SaaS products.

Key facts:

- Expertise: Custom Ruby on Rails web and cross-platform mobile applications, often for startups to mid-size companies.

- Clients: The portfolio includes Motorola, Burger King, and Fitbit.

- Reputation: Known for quick project turnarounds and close client collaboration; on Computools’ top-20 Miami list highlights Koombea’s long history and Miami HQ.

- Scale: Team of ~50–100, offering project work or dedicated teams. Koombea’s Miami HQ makes it an excellent local partner. Its Computools profile notes: “Founded in 2007, with headquarters situated in Miami, Florida.” For businesses seeking a Rails-focused team or mobile-first development, Koombea combines U.S. accessibility with nearshore efficiency.

How to Choose the Right Miami Software Partner Selecting among these top firms depends on your project’s needs. Here are some key considerations:

•  Domain Expertise: Look for companies with relevant industry experience. For instance, Miami’s tech firms span fintech, healthcare, logistics, media, etc. (Computools data shows a wide industry spread, with Software/IT and Fintech leading the mix (38†). Choose a vendor who has built solutions in your sector.

• Technology Stack: Ensure the firm uses your preferred technologies. All companies above offer modern stacks (JavaScript, Python, Rails, cloud platforms, etc.). Check their portfolios:Simform and Nybble highlight AWS/Azure and AI projects, Koombea emphasizes Ruby on Rails, etc.

•  Reputation & Reviews: Verify their track record on third-party sites. The listed companies have strong Clutch/GoodFirms ratings (e.g., Simform and KitRUM boast near-perfect scores). Positive client feedback about communication and reliability is a good sign. For example, Simform’s reviews stress on-time delivery and clear communication, and Designli’s clients noted 100% timely launches.

• Communication & Culture: A Miami-based team or bilingual communication can be advantageous. Dualboot and Designli are local teams, while Nybble and N-iX offer seamless U.S.-Spain collaboration. Many reviews highlight proactive, English-fluent teams that integrate as “extensions of the client’s staff”.

• Budget & Size: Match project scope to company size. Firms like N-iX and Koombea can handle large enterprise budgets, while companies like Designli or Dualboot may be more flexible for SMB-sized projects. Note that Simform and KitRUM work with Fortune 1000 budgets, whereas DigitalSuits and Nybble also serve startups.

• Long-Term Partnership: Many Miami projects evolve over time. Check if the firm offers ongoing support and staffing. Leanware (from the Computools list) and Dualboot emphasize multi-year clients relationships. A history of repeat engagements and transparent processes is a plus. All nine firms above have proven capabilities, but the best fit depends on your priorities. To illustrate, Simform’s clients praise that the team often finishes work ahead of schedule thanks to good planning.

Meanwhile, Nybble’s awards and mix of U.S./LATAM staff may offer both innovation and cost efficiency. In short, evaluate each company’s strengths against your project requirements, and you’ll find a Miami software partner to help your business grow

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