SaaS Development
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SaaS Development Company Application & Platform

Leverage our know-how and build a successful product with SaaS application development experts.

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SaaS applications development is our speciality

We handle every aspect of the Saas development process from design and development to maintenance for customers in various industries. Whether you're in healthcare, finance, or any other industry, we have the knowledge and experience to create successful SaaS solutions for your business. Our goal is to provide our clients with reliable and effective SaaS products that they can depend on to grow their business.
**SaaS applications development** is our speciality

Selleo expert SaaS developers can help you reach your business goals!

With our expertise, we can lead you to success with a custom solution answering your and your clients’ needs.

SaaS applications have totally disrupted on-premise solutions and become an essential part of digital transformation. Our comprehensive approach means you get a SaaS product that's built to convert, scale, and thrive.

Make your SaaS stand out in the cloud

Create unique designs that captivate your customers and give you an edge over your competitors.

Build secure, scalable, multi-tenant application

Design SaaS application architecture from the ground up with scalability and security in mind.

Leverage our expertise & save time and money

Build your SaaS product faster with our over 15+ years of SaaS application development expertise and know-how.

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Client Value & Trust

Learn how entrepreneurs, business and technology leaders who are after software driven innovation are collaborating with our high-performing teams.

Steve Cornwell
Steve Cornwell
CEO, Northpass, USA

Selleo has proved to be a professional and competent web and mobile software development team, they were apt at understanding our wishes and extremely service minded. I highly endorse whole Selleo team.

Leverage our **domain expertise** and **technical knowledge** to build a one-of-a-kind custom solution
Trust our experience

Leverage our domain expertise and technical knowledge to build a one-of-a-kind custom solution

Schedule a consultation

How we start collaboration


Signing the

Firstly we sign the non-disclosure agreement to protect your confidential business information.


Call with a Technical Team Lead and a BA

the next step is to schedule a meeting, that will help us with getting a better understanding of your business idea and gathering all the details allowing us to prepare the cost estimation.


Interviews with the whole Team

this is the opportunity for you to get familiar with members of the team that will deliver your product, so there are no unnecessary surprises.



when everything is settled, the team is ready to smoothly start working on the agreed date.


Our experience, your success

We take pride in our commitment to quality and excellence and our high Clutch rating is a reflection of that. We always strive to exceed expectations and deliver exceptional results to every client we serve.

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our team

Hire experienced software development team today!

Product Owners and CTOs in start-ups and SMEs craft their SaaS products or build their own cloud-based solutions with our teams.

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Our Expertise

How we helped clients grow their businesses

A visualization data tool developed to serve as a team skill database and a personal strengths growth tracker

Selleo augmented the MuchSkills team helping with full-stack development. The team was responsible for including skill planning, a timeline for skill development forecasting, and additional features like a skill sidebar and project management tracker.View project
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The process of building a SaaS application can be divided into 6 key stages:

Market analysis - evaluate your idea and its potential compared to existing saas solutions on the market and think about its features and integrations.
Discussing requirements - a clear plan is key. In a SaaS model, it is crucial to ensure maximum security as it is the foundation of a good solution.
Defining the MVP - building a Minimum Viable Product means creating a product with core features that can be tested by its early users and later be developed into the final product.
Choosing the pricing model - there are different pricing models for SaaS solutions that can greatly influence your product’s popularity. The pricing model should be adjusted to your target users’ needs.
Deciding on technical aspects - This is the point where you need to determine how to build your software and which tools to use. You should talk to professionals who will help you define your needs.
Finding or creating a development team - you can choose to create an in-house team or outsource the development fully or partially. Outsourcing to a fully-fledged team will give you lots of advantages and will allow you to focus on business processes like marketing.

The creation of a SaaS app is a difficult task. You may encounter some difficulties along the road like:

Inadequate Execution - When a project fails, people frequently blame the idea when in reality, the execution was poor. A proper SWOT analysis ensures your idea is effectively executed. Lack of Trust - Proper security of your solution is key to gaining users’ trust. Small Audience - It is crucial that your idea is continually optimized and updated to remain relevant.

By working with an experienced SaaS development company, you can avoid those mistakes. Specialists at Selleo will ensure your product stays up-to-date and meets the latest security standards.

There are a lot of SaaS (software as a Service) metrics that can provide you with crucial information about the state of your product. Using tools like Google Analytics or Hotjar is helpful sometimes may not be enough.

Many SaaS businesses focus on KPIs - Key Performance Indicators like:

  • Monthly or annual revenue - This metric is the total amount of revenue generated by a business in a single month. Commonly used by SaaS companies that offer monthly subscription plans.
  • CAC (cost of acquiring a customer) - This metric tracks the amount of money you spend to acquire a new customer, including advertising, marketing and sales expenses.
  • LTV (customer lifetime value) - This metric revenue generated by a customer over the lifetime of their subscription
  • NPS (net promoter score) - This metric measures customer loyalty and satisfaction by asking customers to rate their likelihood of recommending your SaaS product to others.
  • Customer churn
    • This metric tracks the percentage of customers who cancel their subscription to your SaaS products over a given period of time
Software as a service including cloud-based applications is distributed through a centralized model where the software provider hosts and manages the application on remote servers. Users access the application via the Internet eliminating the need for local installations. The SaaS business model is deployed and maintained on the provider's infrastructure, relieving users of the burden of hardware provisioning and software updates. The distribution process involves delivering the software as a service solution over the Internet allowing users the access it from any device with an Internet connection. This approach provides flexibility, scalability, and ease of access making cloud-based SaaS applications an increasingly popular choice for businesses and individuals.

The SaaS (software as a service) software development lifecycle follows a systematic process that involves five key stages:

  • Planning and analysis: In this stage, the software engineers work closely with stakeholders to understand their requirements and define the scope of the SaaS app. This includes identifying features, functionalities, and any specific integrations or customizations needed.
  • Design and SaaS Architecture: Once the requirements are clear, the team creates a design and architecture for the SaaS app. This involves defining the system components, data models, user interfaces, and the overall SaaS architecture.
  • Development and Testing: In this stage, the development team starts coding the application according to the defined design and architecture. Regular testing is conducted to ensure that the software meets the specified requirements and functions as intended.
  • Deployment and Release: Once development and testing are complete, the SaaS app is deployed to the production environment. This involves setting up servers, databases, and other necessary infrastructure to make the software available to users.
  • Maintenance and Upgrades: After the release, the SaaS app requires ongoing maintenance and upgrades. This includes monitoring the system for any issues, providing support to users, and implementing updates or enhancements based on user feedback and changing requirements.
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Awards & Certificates

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  • Top 1000 Companies Global 2021
  • Top Development Company Poland 2021
HR dream team
  • 2020 HR Dream Team Award
  • 2016 Employer Branding Featured
  • 2015 HR Dream Team Award
ISO CertificateISO Certificate
  • Information Security Management System compliant with PN-EN ISO/IEC 27001
  • Business Continuity Management compliant with ISO 22301