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Product & Software Development Agency

We are an award-winning product and software development company formed by ex-startup founders who have a deep understanding of the startup ecosystem.

We leverage our entrepreneurial experience and proven processes to design and build high-quality, user-centric software products that empower entrepreneurs and business leaders to challenge and transform their industries.

Our Northern Star is the success of our clients. To help them build successful products, we mimic the behaviour of an internal team through a policy of extreme transparency and close communication.

Our approach includes:

  • Min project size
    $25,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    10 - 49
  • Locations
    Lisboa, Portugal
  • Year founded
    Founded 2015
  • Languages

3 Languages that we service

  • English
  • Portuguese
  • Italian

1 Locations

  • Lisboa , Portugal

No have been added yet...

    Pricing Snapshot

    Min. project size $25,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.7 /5

    What Clients Have Said

    Altar.io offers competitive pricing with project costs ranging from $5,000 to $180,000, depending on scope. Clients appreciate their value for cost, noting high-quality deliverables and effective communication, making them a strong choice for startups and established businesses alike.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $10,000 - $49,999 based on 23 reviews
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000
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    Altar.io Review Insights

    Overall Review Rating

    4.9
    • Quality 5.0
    • Schedule 4.8
    • Cost 4.7
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • Expertise in Custom Software Development

      Multiple reviews highlight Altar.io’s proficiency in developing custom web and software applications tailored to specific business needs. Clients from diverse industries such as fintech, SaaS, and healthcare appreciated the personalized solutions addressing unique challenges.

    • Seamless Remote Collaboration

      Despite being an overseas vendor for some clients, Altar.io managed to maintain effective collaboration through excellent scheduling and flexibility. Remote work did not hinder the team's ability to deliver high-quality results.

    • Clear Value Proposition

      Clients felt that Altar.io provided clear value for their investment, offering a combination of technical expertise, business acumen, and dedicated support that contributed to successful project outcomes.

    • Comprehensive Product Development

      Altar.io provided end-to-end product development services, from initial concept and strategy to final implementation. Clients appreciated their holistic approach and ability to deliver comprehensive solutions.

    • Some Areas for Improvement

      While overall feedback was positive, a few clients mentioned areas for improvement such as time management, more accurate time estimates, and some flexibility in payment terms and project adjustments.

    • Effective Communication

      Clients appreciated Altar.io's clear and open communication, with regular updates and proactive management of expectations. Tools like email, video conferencing, and messaging apps facilitated seamless collaboration.

    Altar.io Reviews

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    All Filters

    Product Scope for Online Design Service

    • Custom Software Development
    • Less than $10,000
    • July - Jan. 2020
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "The outcome of the project was above any of our expectations."

    Founder, Kursy Living
    Anonymous
    • Arts, entertainment & music
    • Lisbon, Portugal
    • 1-10 Employees
    • Online Review 

    Altar.io worked with a design firm to create its product scope. To do it, the team first helped the client to identify their value proposition and positioning in order to fulfill their desired vision. 

    Product Scoping for Tech Startup

    • Market Research
    • Less than $10,000
    • Aug. - Oct. 2020
    5.0
    Quality
    5.0
    Schedule
    4.0
    Cost
    4.0
    Willing to Refer
    5.0

    "They actually donned the hat of a co-founder and treated the project in the same manner as us."

    Founder, Ovvio Products & Solutions Pvt Ltd
    Shaalin Tandon
    • IT Services
    • Mumbai, India
    • 1-10 Employees
    • Online Review 
    • Verified

    A tech startup hired Altar.io to conduct market research and to develop a proof of concept for a key technology component of their proposed product. The goal was to narrow down the features of the MVP. 

    Custom Software Development for Pre-Revenue Startup

    • Custom Software Development
    • Less than $10,000
    • Sep. - Oct. 2020
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The team is extremely responsive and knowledgeable."

    CRO, Upcoming Startup
    Ruben Guerrero
    • Financial services
    • New York City, New York
    • 1-10 Employees
    • Online Review 
    • Verified

    A pre-revenue startup hired Altar.io to develop the scope of their UI/UX design mock-ups and their MVP.

    Mobile App Coding & Support for Entertainment Platform

    • Mobile App Development
    • Less than $10,000
    • June 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I’m frequently blown away by their deliverables."

    Founder, Entertainment Platform
    Anonymous
    • Arts, entertainment & music
    • Zurich, Switzerland
    • 1-10 Employees
    • Phone Interview 
    • Verified

    Altar.io is developing a mobile application for a social media startup. They also advised the client on how to establish a new business and best practices. 

    AI Software Development for Product Design & Dev Firm

    • Custom Software Development
    • Less than $10,000
    • Mar. - Jan. 2020
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their team is smart, fast, and entrepreneurial."

    Co-founder & Product Consultant, SprintProd.dev
    Paulo Gaudencio
    • Information technology
    • Lisbon, Portugal
    • 1-10 Employees
    • Online Review 
    • Verified

    Altar.io developed an AI platform for a product design and development firm. The team built the multichannel marketing platform and provided data cleaning and segmentation services.

    POC Development for Digital Communications Company

    • Other IT Consulting and SI
    • Less than $10,000
    • Mar. - Jan. 2020
    5.0
    Quality
    4.5
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "Their experience and ability helped them come up with several solutions in a very short period of time."

    General Manager, Sendit SA
    Hugo Marçal
    • Telecommunications
    • Lisbon, Portugal
    • 11-50 Employees
    • Online Review 
    • Verified

    Altar.io developed a proof of concept for a digital communication company. The team ran both a discovery and development phase to complete the project.

    Remote Staffing for Data Science Company

    • HR Consulting
    • $50,000 to $199,999
    • Oct. 2018 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They have a very broad and strong professional network and care about people a lot."

    Senior Expert Project Manager, Datahouse
    Peter Müller
    • Software
    • Zurich, Switzerland
    • 11-50 Employees
    • Phone Interview 
    • Verified

    Altar.io supported a data science company to establish a dedicated team of software developers in Lisbon. They do a preselection of the candidates, take care of the administration, and provide the office space.

    Development for Online Global Co-Production Marketplace

    • Web Development
    • $10,000 to $49,999
    • May - Nov. 2019
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their problem solving was great."

    Founder & CEO, Opera Co-Pro
    Ambra Sorrentino
    • Arts, entertainment & music
    • London, England
    • 1-10 Employees
    • Phone Interview 
    • Verified

    Altar.io developed a web platform for the client which allows collaboration between users. Other features include online registration, an analytics database, and MVP in multiple languages. 

    UX/UI Design for Financial Solutions Software Company

    • UX/UI Design
    • $50,000 to $199,999
    • Feb. 2019 - Feb. 2020
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “They gave the project a very personal touch that made it enjoyable to work with them.”

    CEO, Quartal Financial Solutions
    Thierry Zuppinger
    • Other Industry
    • Zurich, Switzerland
    • 51-200 Employees
    • Phone Interview 
    • Verified

    Altar.io developed an application prototype with a completely new UI/UX for a financial management software provider. They performed extensive requirement gathering and prototyping to inform the final product.

    Software Dev & UI Design for Banking Platform

    • Custom Software Development
    • $10,000 to $49,999
    • Jan. - Mar. 2020
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "What sets Altar.io apart is the team and their experience."

    CEO, Audapio
    Dudley Gould
    • Financial services
    • Londontowne, Maryland
    • 1-10 Employees
    • Online Review 
    • Verified

    Altar.io built an analytics platform for an accounting company. They took ideas for the site and improved the functionality and UX. They provided a range of designs and then built out the site. 

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    24
    Overall Review Rating
    4.9
    Source
    Clutch
    Last Updated
    March 30, 2025

    Business Entity

    Business Entity Name Altario Technologies, S.A.
    Source ePortugal
    Jurisdiction of Formation Portugal
    Date of Formation August 28, 2015
    Status Active
    Last Updated June 14, 2022
    ID 513674144

    Credit Report Results

    International Credit Risk Assessment Very Low Risk
    Source Creditsafe
    Last Updated January 1, 2022
    Learn More About The Clutch Verification Process

    Locations (1)

    31 - 40

    Contact Altar.io

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