ranked by verified client reviews, ratings & recency.
Updated October 2026
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Showing 1–25 of 261 companies
#1“From the very beginning, your team handled a massive volume of design screens with clarity and precision, turning them into a scalable, reusable React.js frontend. You integrated everything seamlessly — from Redux logic to Grafana plugin…”
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#25“We enjoy the way they treat us. Their efficiency really stands out.”
“Their team consistently brings thoughtfulness, professionalism, and ownership, making them a valued extension of our internal team.”
“Our experience with MojoTech is outstanding. Their team displays unparalleled flexibility and supports our projects from start to finish, with exceptional attention to detail. Their dedication to delivering the best possible outcome for…”
“Revealize Inc. delivered a website that established a notable market presence and captures an increased number of leads. The team was attentive and offered support that exceeded expectations. They accommodated feedback and provided an in…”
“Railsware product discovery process was highly valuable, it helped us bring clarity to the project from the very beginning.”
Torii Studio excels in transforming ambitious business ideas into sophisticated digital products by merging innovation, engineering, and design. With a solid 4.9/5 rating from 23 client reviews, Torii Studio is recognized for its ability to enhance user experience through scalable code and intuitive design. - **Client trust:** Torii Studio has successfully partnered with both fast-moving startups and Fortune 500 companies, showcasing their versatility and reliability. - **Technology prowess:** Specializes in front-end development using advanced frameworks such as React and Next.js, which are pivotal in delivering seamless user experiences. - **Diverse portfolio:** Notable clients include Total Brain and YC-backed Lume, reflecting their capability to handle varied and complex projects. - **Proven impact:** Projects have reported significant improvements, such as a 300% increase in development team efficiency and a 4x improvement in chat performance. - **Strategic depth:** Offers a comprehensive service range from Generative AI to UX/UI Design, ensuring a holistic approach to product development. Torii Studio's dedication to creating impactful digital experiences is evident in their client success stories and the lasting impressions their products leave.
“Apiko is excellent. Their technical ability is top-notch. Apiko is emotionally invested in the project 100% of the time. We worked with Apiko, a web and mobile app development company that helped staff an incredible offshore team. Withou…”
“For our WordPress project, Beesoul’s adaptive approach and pinpoint accuracy led to on-time delivery and unanimous stakeholder approval. A partner that truly understands bespoke web solutions.”
“Their team was able to present solutions for dealing with complex features.”
“Cheesecake Labs' ability to take on challenges that no one had faced before was impressive. This was the first implementation of its kind, with many different features on the Stellar network.”
“I've worked with developers for 35 years. None compare to Serfe. They excel in work and integrity. Trustworthy, honest, hardworking. Serfe ensures my software works as expected without excuses. They've earned my respect and my business.”
“CodeFulcrum's rapid adaptation to our industry's complexities and their proactive communication were impressive.”
“Power brings a fresh, analytical approach to our campaigns, finding unique entry points and solutions that many would overlook. Their involvement transcends traditional marketing, delving into the economic aspects of our business to ensu…”
“They were able to quickly become acquainted with highly complex requirements and always delivered on time.”
“Valere and Upwork continue to make substantial strides in advancing the frontier of Artificial Intelligence.”
“Closeloop Technologies’ work automated all of our business processes. We’re now generating more business than before, allowing us to double our sales effectively. They ask a lot of questions to understand our business and provide the rig…”
“They treat our automated testing project as a development effort rather than a testing effort, always anticipating next steps and improvements. Whenever we need changes, they’re able to respond quickly. They take on current problems and…”
“EltexSoft uniquely combines competence, a personal touch, and unwavering integrity, consistently delivering work that exceeds expectations. Their approach makes them my first choice for any upcoming development needs, firmly establishing…”
“In a word, Guidea is indispensable to me and the success of our design transformation.”
InvoZone is a premier software development and staff augmentation partner, empowering businesses globally with cutting-edge digital solutions. With a stellar Clutch rating of 4.9 out of 5 from 42 reviews, InvoZone stands out for delivering high-quality results to startups, SMEs, and enterprises alike. - **Top-rated services:** InvoZone's dedication to excellence is reflected in their Clutch rating of 4.9/5, showcasing their commitment to client satisfaction. - **Diverse expertise:** The company excels in Mobile App Development (30%), AI Development (20%), and Custom Software Development (20%), ensuring comprehensive solutions for varied business needs. - **Global reach:** With 5 global resource centers, InvoZone offers timezone-aligned tech talent, enabling seamless collaboration and rapid scaling. - **Notable clientele:** Trusted by prominent names such as Nexso and Digitize Media, InvoZone has demonstrated its ability to deliver impactful digital transformations. InvoZone's approach combines deep technical expertise with agile methodologies, ensuring that clients receive tailored, efficient, and future-ready solutions.
“Our application was finished and able to generate revenue within one year as the Jelvix team adhered to the required timeline efficiently and professionally. They were communicative, responsive, and always available to take on feedback a…”
Pegasus One is a Southern California-based software development company renowned for delivering scalable, compliant, and intelligent technology solutions. With a focus on custom software, cloud, DevOps, and AI, they cater to a diverse client base across North America, offering a frictionless hybrid service model that combines local management with offshore expertise. Their prowess is reflected in a stellar 4.9/5 rating on a leading review platform from 11 reviews, showcasing their commitment to quality and client satisfaction. - **Inc 5000 recognition:** Honored as one of the fastest-growing US companies by Inc. Magazine five times. - **Diverse client base:** Serving industries like healthcare, finance, logistics, and more, with notable clients such as Yelp, Epic, and Cerner. - **Cloud expertise:** Partnerships with Microsoft, Google, and AWS enhance their cloud consulting capabilities. - **Custom solutions:** 20% focus on custom software development, ensuring tailored solutions for each client. - **Flexible engagement:** Offers a blend of US-based management and offshore development for cost efficiency and availability. Pegasus One's approach is rooted in understanding client needs thoroughly, ensuring each project is strategically aligned with business goals.
“They’re very responsive and go above and beyond to meet our needs. We continue working with them, which is the best sign of our satisfaction.”
Serokell is a software research and development company that excels in tackling high complexity tasks for businesses across various industries. With a focus on functional programming languages like Haskell, Serokell offers tailor-made IT solutions that are both high-performance and reliable, earning a stellar 4.9/5 rating from 33 reviews. - **Expertise in functional programming:** Serokell leverages Haskell and other functional languages to deliver scalable and secure solutions. - **Diverse industry service:** They serve a broad spectrum of industries including fintech, biotech, and eCommerce, with notable clients like Tezos Foundation and Cardano SL. - **Global team of experts:** The company employs over 60 experts, many of whom hold advanced degrees in mathematics and game theory, enhancing their problem-solving capabilities. - **Blockchain proficiency:** Serokell has significant experience in blockchain development, contributing to projects like The Open Network and StakerDAO. - **AI and ML specialization:** Their AI solutions are backed by a strong focus on machine learning, evidenced by successful projects in AI-based film tools and financial platforms. Serokell's commitment to a scientific approach and their integration with academia ensure that they remain at the forefront of technological advancements, delivering solutions that drive business growth.