For over ten years Selleo has delivered professional services on more than 150+ software development projects for clients from Europe, the US, Canada, and Australia, designing and building a number of applications throughout a wide spectrum of business domains, industries, and technologies (Ruby on Rails, ReactJS, React Native, EmberJS, Elixir).
For over ten years Selleo has delivered professional services on more than 150+ software development projects for clients from Europe, the US, Canada, and Australia, designing and building a number of applications throughout a wide spectrum of business domains, industries, and technologies (Ruby on Rails, ReactJS, React Native, EmberJS, Elixir).
AI Overview
Performance snapshot
Selleo is a nearshore custom software development firm with a strong long-term partnership track record across EdTech, FinTech, healthcare, and real estate verticals. The majority of ratings are Strong, supported by consistent delivery of scalable platforms, reliable code quality, and proactive communication. A small number of isolated negative reviews—centered on a single UX redesign engagement—introduce a Mixed signal on reliability, though these remain clearly outliers against an otherwise dominant pattern of client satisfaction spanning nearly a decade of reviews.
Performance breakdown
Technical expertise
StrongMultiple reviews reference specific technologies including Ruby on Rails, React.js, TypeScript, EmberJS, Elixir, AWS, and AI feature development. Reviewers consistently praise code quality, architectural decisions, and the team's ability to handle scalable, complex platforms across diverse industries.
Project management & delivery
StrongReviewers across multiple engagements cite Scrum, Scrumban, and daily stand-up practices, with frequent references to on-time or ahead-of-schedule delivery. One anchor review notes MVP delivery enabling real-user validation within a short timeframe, with structured milestone tracking and client adaptability.
Communication & collaboration
MixedThe overwhelming majority of clients praise transparent, frequent communication via Slack, stand-ups, and regular check-ins. However, two verified negative reviews specifically cite poor communication and unresolved feedback loops during a UX redesign project, introducing a minor but notable concern.
Reliability
MixedThe large majority of clients report stable, well-tested, and maintainable code with minimal bugs. One outlier engagement yielded a 0.5-star rating citing failed deliverables and missed deadlines, which slightly offsets an otherwise strong pattern of consistent, reliable delivery.
Client satisfaction & outcomes
StrongTangible outcomes are frequently cited, including scaling a client from $0.5M to $40M revenue, a conference app achieving a 4.9 app store rating supporting 800+ attendees, streamlined operations reducing support tickets, and successful MVP launches enabling market validation within short timeframes.
Best for
Selleo is best suited for startups and scaling SMEs seeking a nearshore development partner for long-term SaaS platform builds, staff augmentation, and MVP development. Their strengths in Ruby on Rails, React, and cloud infrastructure make them a strong fit for EdTech, FinTech, and healthcare projects.
Clients info
Selleo's client base skews toward small-to-mid-market technology companies, with notable representation in EdTech, FinTech, healthcare, real estate, and SaaS verticals. Project budgets most commonly fall between $50,000 and $999,999, with several long-term engagements exceeding $200,000. Most clients are startups or scaling firms in the 1–200 employee range, typically led by CTOs, founders, or co-founders. Primary industries represented include Education & EdTech, Financial Services & FinTech, Healthcare, Real Estate, SaaS & Software. Typical client size bands include 1-10 Employees, 11-50 Employees, 51-200 Employees. Common project budget ranges include $10,000 to $49,999, $50,000 to $199,999, $200,000 to $999,999.
Review strength
Analysis is based on 62 reviews across 4 platforms, providing a high-confidence evidence base. Reviews span from 2016 to early 2026, with the majority of substantive project reviews concentrated between 2019 and 2025. A small number of reviews predate 2021 and should be weighted accordingly as reflections of the company's earlier operational profile. Review date range: 2016-09-02 - 2026-03-27.
Performance breakdown
Technical expertise
StrongMultiple reviews reference specific technologies including Ruby on Rails, React.js, TypeScript, EmberJS, Elixir, AWS, and AI feature development. Reviewers consistently praise code quality, architectural decisions, and the team's ability to handle scalable, complex platforms across diverse industries.
Project management & delivery
StrongReviewers across multiple engagements cite Scrum, Scrumban, and daily stand-up practices, with frequent references to on-time or ahead-of-schedule delivery. One anchor review notes MVP delivery enabling real-user validation within a short timeframe, with structured milestone tracking and client adaptability.
Communication & collaboration
MixedThe overwhelming majority of clients praise transparent, frequent communication via Slack, stand-ups, and regular check-ins. However, two verified negative reviews specifically cite poor communication and unresolved feedback loops during a UX redesign project, introducing a minor but notable concern.
Reliability
MixedThe large majority of clients report stable, well-tested, and maintainable code with minimal bugs. One outlier engagement yielded a 0.5-star rating citing failed deliverables and missed deadlines, which slightly offsets an otherwise strong pattern of consistent, reliable delivery.
Client satisfaction & outcomes
StrongTangible outcomes are frequently cited, including scaling a client from $0.5M to $40M revenue, a conference app achieving a 4.9 app store rating supporting 800+ attendees, streamlined operations reducing support tickets, and successful MVP launches enabling market validation within short timeframes.