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We are one of the companies on this list; we explain the criteria we used so you can judge for yourself. Updated October 2026.
How do you choose a SaaS development company?
Choose a SaaS development company by checking that it has shipped subscription products (not only websites), that it understands multi-tenancy, billing and admin tooling, that its size and process fit your stage, and that you will own the code and accounts. Everything else, including rankings like this one, is secondary to those four checks.
A SaaS product is more than its visible features. Every subscription product needs accounts and teams, roles and permissions, plans and billing, tenant data isolation, an admin back office for your staff, integrations and reliable operations. A team that has built these parts before will make fewer expensive early decisions. A team that has only built marketing sites or one-off apps will learn them on your budget. Our SaaS development service page breaks these building blocks down by stage, from MVP to scale.
What criteria did we use for this list?
We used six criteria, and every company below meets them based on public information: its own website, its portfolio and directory listings such as Clutch and GoodFirms. We did not use paid placements, and we did not rank by review scores, because scores change monthly and are hard to compare across directories.
- SaaS is a stated focus. The company offers SaaS or product development as a core service, not a side line.
- Public portfolio. Case studies or products you can look at before a first call.
- Full product scope. Back end, front end, design and DevOps in one team, so you are not assembling vendors.
- Active in 2026. A live website and recent work.
- Works with international clients. Experience with US, UK or EU buyers.
- A mix of sizes and regions. Large firms and boutique studios from Europe, the US and India, because the right size depends on your project.
The list is in no particular order of quality. We grouped firms so you can compare similar options.
Top SaaS development companies in 2026
Railsware
- HQ: Kraków, Poland (teams also in Ukraine)
- Best for: B2B SaaS founders who want a team that also runs its own SaaS products
- Website: railsware.com
Railsware describes itself as a product studio with two sides: consultancy for clients and its own products. Its in-house B2B products include Mailtrap, Coupler.io and TitanApps, which started as internal tools and became commercial SaaS businesses. That combination means the team has direct experience with the operating side of SaaS: pricing, onboarding, support load and growth, not only delivery.
Netguru
- HQ: Poznań, Poland
- Best for: Larger budgets that need design, web and mobile development under one roof
- Website: netguru.com
Netguru is one of the largest software and product design companies in Poland, with more than 600 developers and designers according to its website. It covers product design, web and mobile development and, more recently, AI and commerce work. A company of this size suits product teams that expect to scale the engagement up quickly or need several disciplines at once.
Brainhub
- HQ: Gliwice, Poland
- Best for: Product companies that want to add a team of experienced engineers
- Website: brainhub.eu
Brainhub is a Polish software engineering company that provides teams of vetted engineers to product companies, including SaaS businesses. The model fits companies that already have product management in house and need engineering capacity that works inside their process. Brainhub also publishes its own SaaS company ranking, which is a useful second opinion to compare with this one.
RaftLabs
- HQ: Dublin, Ireland (second base in Ahmedabad, India)
- Best for: Startups building an AI-enabled SaaS product from idea to launch
- Website: raftlabs.com
RaftLabs positions itself as an AI and custom software development company covering SaaS, web and mobile products, AI agents and automation. Its public materials describe a remote-first team working with clients in North America, Europe and Asia-Pacific. It suits founders who want one partner from first version through growth.
Brocoders
- HQ: Tallinn, Estonia
- Best for: SaaS companies modernizing an existing product
- Website: brocoders.com
Brocoders focuses on reengineering legacy software into scalable, AI-ready products, with an audit-first approach aimed at SaaS and midsize businesses. If you already have a SaaS product that has outgrown its first architecture, a modernization specialist is often a better fit than a greenfield studio.
Upsilon
- HQ: United States (office in Tallinn, Estonia)
- Best for: Startups that need discovery, a prototype and an MVP in sequence
- Website: upsilonit.com
Upsilon describes itself as a product studio that builds its own B2B SaaS products and acts as a tech partner for fast-growing companies, working remote by design. Its services include discovery, prototyping and MVP development, which suits founders who are still shaping the product.
Clockwise Software
- HQ: Dnipro, Ukraine
- Best for: SaaS, ERP and marketplace products with a discovery-led process
- Website: clockwise.software
Clockwise Software is a Ukrainian product development company founded in 2014, with a portfolio across SaaS, ERP, logistics, MarTech and HealthTech. It works through discovery, dedicated teams and fixed projects. It fits buyers who want a mid-size Eastern European team with SaaS as a main line of work.
Lytvynov Production (our company)
- HQ: Ukraine
- Best for: Startups and B2B companies that want a senior team, a fixed quote and a SaaS with AI features
- Website: lytvynov-production.com
Lytvynov Production is a web, mobile and AI development agency founded in 2020 by Anton Lytvynov. We build SaaS products on PHP/Symfony with React or Vue front ends, React Native or Flutter for mobile, and OpenAI or Claude APIs for AI features. Our own AI SaaS, AI Resume Master, was built in about three months and reached 50,000 monthly active users. On Upwork we hold a 5.0 rating and 100% Job Success. Our minimum project size is $10,000, and we give a fixed quote after a short scoping call.
Classic Informatics
- HQ: Gurugram, India (offices including London and Sydney)
- Best for: Full-cycle product engineering with in-house design and QA
- Website: classicinformatics.com
Classic Informatics is a product engineering company founded in 2002. It works across SaaS, FinTech, healthcare, logistics and other industries, and now also on legacy modernization, data foundations and AI. It suits buyers who want one vendor covering design, development and QA with a long track record.
Fingent
- HQ: White Plains, New York, USA
- Best for: Mid-market and enterprise companies that prefer a US-headquartered vendor
- Website: fingent.com
Fingent is a US custom software development company that began operations in 2003, with offices in the US, Australia, the UAE and India. It works on custom software, web and mobile applications and AI for mid-market and enterprise clients. A US-headquartered firm with offshore delivery centers suits buyers who want a US contract and local account management.
SaaS development companies compared
| Company | HQ | Focus | Best for |
|---|---|---|---|
| Railsware | Kraków, Poland | B2B SaaS consultancy plus own SaaS products | B2B SaaS founders |
| Netguru | Poznań, Poland | Product design, web and mobile at scale | Larger multi-discipline budgets |
| Brainhub | Gliwice, Poland | Teams of vetted software engineers | Product companies adding capacity |
| RaftLabs | Dublin, Ireland | AI and custom software, SaaS | AI-enabled SaaS from idea to launch |
| Brocoders | Tallinn, Estonia | Modernizing legacy SaaS | Existing products that outgrew v1 |
| Upsilon | USA | Product studio, discovery to MVP | Early-stage founders |
| Clockwise Software | Dnipro, Ukraine | SaaS, ERP, marketplaces | Discovery-led mid-size projects |
| Lytvynov Production | Ukraine | Symfony, React and AI SaaS | Senior team with a fixed quote |
| Classic Informatics | Gurugram, India | Full-cycle product engineering | One vendor for design, dev and QA |
| Fingent | White Plains, USA | Custom software for mid-market | Buyers wanting a US contract |
What should you ask a SaaS development company on the first call?
Ask questions that only a team with real SaaS experience answers well. General questions about "agile" and "quality" get the same answer from everyone; specific questions about tenancy, billing and operations separate the candidates quickly.
- Multi-tenancy. How do you isolate customer data, and how is that enforced in code rather than remembered by each developer?
- Billing. Which billing provider would you use, and which rules (trials, seats, failed payments) live in our code?
- Admin. What does our support team get on day one to look up customers, fix accounts and issue refunds?
- Ownership. Will the code, cloud accounts, billing account and domain be in our name from the start?
- Stack. Why this stack for our product, and how easy is it to hire for later? Our Symfony vs Laravel for SaaS guide shows the kind of reasoning to expect.
- Proof. Which SaaS product that you built can we open and try right now?
If AI features are part of the plan, add the questions from our guide to choosing an AI development company, in particular about evaluation, data privacy and running costs.
How do large firms and boutique SaaS studios differ?
Large firms offer depth and the ability to scale a team quickly; boutique studios offer direct access to senior people and usually faster decisions. Neither is better in general. The right choice depends on the size of your first release and on how much product guidance you need.
| Question | Large firm | Boutique studio |
|---|---|---|
| Team scaling | Can add many people quickly | Grows slowly, keeps the same core team |
| Who you talk to | Account manager plus delivery lead | Often the founder or a senior engineer |
| Process | Standardized, more documentation | Lighter, adapted to the client |
| Minimum budget | Often higher | Often lower, still with a floor |
| Best fit | Multi-team roadmaps, enterprise buyers | MVPs, first versions, focused products |
For a first SaaS release, a small senior team usually ships faster. For a platform that already has several teams and enterprise customers, a larger firm with established process can be the safer option.
How much should you budget for a SaaS build?
Budget for scope, not for a company name. The biggest cost drivers are the number of user roles, integrations, billing complexity, whether you need mobile apps, and how much AI is involved. Two companies quoting the same written scope will be much closer in price than two quotes for a vague idea.
Our MVP development cost guide gives typical ranges by scope and explains what moves the price. As a reference point, our own SaaS projects start from $10,000, and most first versions of a focused product sit well below the cost of a full B2B platform. Whatever company you choose, ask for the scope in writing and a fixed quote per milestone, so that changes are visible and priced before they happen.
What results can you check before you sign?
Check a live product, not a slide. A SaaS team's past work tells you more than its sales deck: sign up for a product it built, go through onboarding, try billing in test mode if possible, and look at how the admin handles a support case.
For our part, you can try AI Resume Master, an AI SaaS with modern templates, LLM-generated resume content, LinkedIn import and PDF export. Our case studies also cover Ritoria, a self-publishing platform that ran in production for two and a half years with an in-app currency, three payment providers and creator payouts, and the Sport Events Calendar, which aggregates fixtures from hundreds of leagues into one calendar with time zone adjustments and Google Calendar and iCal integration. Ask every company on your shortlist for the same kind of evidence.
Next step
If you are comparing SaaS development companies, send the same short brief to three of them, including us. Describe your product through the contact form or get a first range from the price estimate form. After a short scoping call you receive a written scope and a fixed quote that you can compare line by line with the other offers.
