Top Kotlin Development Companies in 2026
Last Updated 22nd October 2026 | Category: Mobile App DevelopmentAs of October 2026, this directory tracks 174 Kotlin companies, spanning 16 countries. Codebooq currently sits at the top of the list (4.8-star average from 10 verified reviews, $50 - $99 / hr, in business since 2020). Looking at the group as a whole, the midpoint hourly rate is $37, the median rating is 4.4, and 14% report a team of 50 or more. Most frequently listed specialties here include Mobile App Development, AI Development, Bot Development, and Web Development.
Every company on this page is evaluated on the same real signals: how clients have rated their work, what they charge per hour, how big their team is, and how long they've been in business. Clients rate these kotlin firms 4.4/5 on average. $25 - $49 / hr is the most common rate band. Roughly 13% of the companies listed report a headcount of 50 or more. Before reaching out to any shortlisted firm, it's worth cross-checking its review history and portfolio directly - every listing is manually checked (founding year, services, team size) and reviews go through a moderation step before they go live.
Companies on this list are based across a mix of countries; right now the largest concentrations come from United States of America, India, Canada, Estonia and Ukraine.
174
Verified Firms
$25 - $49 / hr
Most Common Rate
4.4
Average Rating
16
Countries
13%
Have 50+ Employees
How this list is built:
Companies are added only after manual research into their foundation year, service offerings, ratings, and employee strength.
Client reviews go through a verification step before being marked Verified and shown publicly.
Listings marked Sponsored pay for premium placement — sponsorship does not affect star ratings or review content.
174 Companies Specializing In Kotlin
Top-Ranked Kotlin Companies
Compare the highest-ranked firms first side by side.
| Rank | Company | Rating | Reviews | Hourly Rate | Action |
|---|---|---|---|---|---|
| 1 | 497 | $25 - $49 / hr | Visit Profile | ||
| 2 | 7 | Undisclosed | Visit Profile | ||
| 3 | 8 | N/A | Visit Profile | ||
| 4 | 8 | < $25 / hr | Visit Profile | ||
| 5 | 7 | $25 - $49 / hr | Visit Profile | ||
| 6 | 6 | N/A | Visit Profile | ||
| 7 | 8 | $50 - $99 / hr | Visit Profile | ||
| 8 | 8 | $25 - $49 / hr | Visit Profile | ||
| 9 | 8 | $50 - $99 / hr | Visit Profile | ||
| 10 | 6 | Undisclosed | Visit Profile |
The List of Top 10+ Kotlin Companies | Top Kotlin Companies October 2026
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FAQ
Frequently Asked Questions
Got questions about our specialized technology solutions? We have the answers to help you make informed decisions.
A verified badge on a Kotlin company's profile means the platform has confirmed the firm's identity and business registration, and has spoken directly with at least some of the clients referenced in their portfolio. It doesn't guarantee a perfect fit for your project, but it does rule out the more obvious risk of an unvetted or misrepresented listing — worth prioritizing over unverified entries when the choice is close.
The line items that push a Kotlin project over budget are rarely the obvious ones — it's usually the number of third-party integrations, how deep the testing needs to go, and what happens after launch in terms of support and maintenance. Compliance and security work, if your project needs it, adds a real chunk on top. A proper discovery conversation with your Kotlin partner should surface most of this before you sign anything.
Start by filtering for Kotlin companies with direct experience in your vertical — a firm that has already built for healthcare, fintech, or retail will already understand the compliance rules and user expectations that come with it, instead of learning them on your project. Ask for case studies specific to your industry, and where possible, talk to a client from the same sector to confirm the experience is as deep as the portfolio suggests.
Yes — you can filter Kotlin companies by budget range, hourly rate, team size, and area of specialization before reaching out to anyone. Pairing those filters with review scores usually gets you to a realistic shortlist in a few minutes instead of manually working through every listing in the category.
Bring a real problem from your own project to a discovery call and see how the team engages with it — the quality of their follow-up questions tells you more than any slide deck. Ask to see actual code from past work, not just screenshots of the finished product, and look for evidence of technical writing, open-source contributions, or conference talks, which are harder to fake than a polished portfolio page. A Kotlin company with genuine depth won't be shy about any of this.
Most Kotlin companies default to one of three setups: fixed-price when the scope is locked down in advance, time-and-materials when requirements are expected to shift, or a dedicated team model for ongoing product work that doesn't have a fixed end date. None of these is inherently better — the right fit depends on how settled your requirements actually are. A Kotlin partner worth working with will tell you honestly which model fits your project instead of pushing whichever one is easiest for them to sell.
It tells you quite a lot, actually. A Kotlin company with a healthy share of repeat clients is being chosen again by people who already know exactly what working with them is like — a stronger signal than a first-time review can offer. When comparing options, ask directly what share of their business comes from returning clients and, if possible, talk to one of them.
The surprises usually aren't from the Kotlin company's own fees — they're things like third-party tool licenses, cloud hosting once the project scales past the free tier, app store fees, and whatever maintenance retainer kicks in after launch. A straight-talking Kotlin firm will list these out unprompted; if a proposal looks suspiciously clean, ask directly what isn't included in the number you're seeing.
Top Software Companies is an online platform that highlights the list of most trusted web and app development companies around the world. This platform will help people to hire best app developers for their requirements and also helpful for listed vendors to promote their business in front of potential clients.
