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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

Select Focus Area
Application Platforms
Amazon Application Development Framework
30%
Azure Platform
30%
Other app platform
10%
AI Technologies & Models
AI2
10%
AI21
10%
Anthropic
10%
Cohere
10%
Deepmind Gopher
10%
Facebook OPT
10%
GPT-J
10%
GPT-Neox
10%
Hugging Face Bloom
10%
Open AI GPT-3
10%
Frameworks and CMS
Other frameworks and CMS
10%
Mobile Platforms
BlackBerry OS App Development
10%
Other mobile OS
10%
Windows Phone
10%
Product Design Focus
Programming & Scripting
Python
45%
HTML5
10%
Java
10%
Industries
Financial services
50%
Information technology
30%
Business services
20%
Clients
Small Business (<$10M)
50%
Midmarket ($10M - $1B)
30%
Enterprise (>$1B)
20%
Certified in:
Custom Software Development

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 typically ranging from $5,000 to $180,000. Clients appreciate the value for cost, citing flexibility in budget management and a collaborative approach, although some noted final costs could exceed initial estimates.

This summary is based on verified Clutch reviews.

Most Common Project Size

$10,000 - $49,999 based on 25 reviews
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Select a service to see pricing information

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

  • Innovative Problem Solving

    Altar.io is noted for their ability to think outside the box and provide innovative solutions. Clients value their strategic input and the way they challenge assumptions to enhance project outcomes, often going beyond initial expectations.

  • Effective Communication

    Clients appreciate Altar.io's effective communication, which includes regular updates, responsiveness to questions, and clear documentation. This ensures transparency and aligns expectations throughout the project lifecycle.

  • Expertise in MVP Development

    Altar.io is praised for their ability to define and develop MVPs across various industries. Clients appreciate their detailed product scoping, UI/UX design, and clear deliverables, which help startups and established companies alike bring their visions to life efficiently.

  • High-Quality Deliverables

    The quality of Altar.io's work is frequently highlighted. Their deliverables, including prototypes, designs, and final products, meet or exceed client expectations, contributing to successful project outcomes and client satisfaction.

  • Areas for Improvement in Cost Estimation

    While Altar.io is highly praised, some clients noted that initial cost estimates were lower than final project costs due to complexities discovered later. Clients suggest clearer visibility on post-MVP costs could be beneficial.

  • Client-Centric Approach

    Altar.io is recognized for their client-focused service, often acting as a partner rather than a vendor. They invest in understanding client needs, provide valuable feedback, and align with client goals, fostering a collaborative and supportive environment.

Altar.io Reviews

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MVP Development for Mental Healthcare Platform

  • Other Design
  • $10,000 to $49,999
  • Mar. 2021 - Ongoing
5.0
Quality
5.0
Schedule
4.0
Cost
4.0
Willing to Refer
5.0

"They put themselves in the founder’s shoes and operate with passion, persistence, acumen and kindness."

May 22, 2021
Founder & CEO, Mental Healthcare Platform
Pallavi Surana
Verified
  • Other industries
  • Mumbai, India
  • 1-10 Employees
  • Online Review
  • Verified

Altar.io is conceptualizing a unique MVP product with a mental healthcare platform. Their goal is to develop a product that will create a distinguishable angle for the platform against their competitors.

Development Services for Financial Technology Company

  • Custom Software Development
  • Confidential
  • Oct. 2020 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They are more than professional developers."

Feb 22, 2021
CEO & Founder, Symplified Capital Markets Limited
Anonymous
Verified
  • Financial services
  • Ireland
  • 1-10 Employees
  • Online Review
  • Verified

Altar.io provides ongoing development services for a financial technology company. The team partnered with the client to develop the first version of their product and perform different integrations.

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."

Nov 5, 2020
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."

Oct 29, 2020
Founder, Ovvio Products & Solutions Pvt Ltd
Shaalin Tandon
Verified
  • Other industries
  • 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."

Oct 15, 2020
CRO, Upcoming Startup
Ruben Guerrero
Verified
  • 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
  • Consumer Mobile App Development
    +1
  • 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."

Jul 28, 2020
Founder, Entertainment Platform
Anonymous
Verified
  • Arts, entertainment & music
  • Zuerich, 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."

May 11, 2020
Co-founder & Product Consultant, SprintProd.dev
Paulo Gaudencio
Verified
  • 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."

Apr 20, 2020
General Manager, Sendit SA
Hugo Marçal
Verified
  • 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
  • Capacity Planning
    +2
  • $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."

Mar 26, 2020
Senior Expert Project Manager, Datahouse
Peter Müller
Verified
  • Other industries
  • Zuerich, 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
  • Other app platform
  • $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."

Mar 25, 2020
Founder & CEO, Opera Co-Pro
Ambra Sorrentino
Verified
  • 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. 

Showing 11-20 of 28 Reviews

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

Learn More
Verified Client Reviews
26
Overall Review Rating
4.9
Source
Clutch
Last Updated
August 1, 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)

Rua Adriano Correia de Oliveira 4A LisboaPortugal 1600-312

31 - 40

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