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Top App Development Companies for SaaS

14 of 55 app development companies ranked on evidence in the Q4 2026 edition.

Between them, the 55 app development companies on this page cover eCommerce (22), medical (21), business services (20) and financial services (18). They also list work in Europe, New York and York. 55 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

14 of 55 app development companies ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is ranked About this edition

All app development companies 14 ranked SMEs 14 ranked

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creativio
Android · Goals · Accounting
creativio develops mobile apps, web platforms and connected-device software, with user experience design at the centre of each project.
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Why #1: In business 20+ years · Client numbers stated on its own website, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Endless Flux Labs
Consumer Products & Services · Financial Services · Information Technology
Endless Flux Labs is a small software development team that has been active since 1997.
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Why #2: Founded 1997, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
GEM Custom Apps
Mobile App · Backend · SEO
GEM Custom Apps is a software development business that has built web and mobile applications since 2004.
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Why #3 (shared): Founded 2004, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Dworkz
Financial Services · Medical · Education
Dworkz is a design and development firm in San Francisco. It works with B2B SaaS product management teams that want software people can pick up and use easily.
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Why #3 (shared): Founded 2004, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Simpleweb
Mobile App Development · Web Development · Web Design · Also in United Kingdom
Simpleweb is a digital studio based in Bristol. It makes software-as-a-service and mobile applications, and says each product combines strategy, engineering and design.
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Why #5: Founded 2007, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Inncrewin Technologies
Advertising & Marketing · Hospitality & Leisure · Business Services · Also in Dubai
Inncrewin Technologies is a software firm that builds SaaS products and apps, both for itself and for clients.
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Why #6: In business 15+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Bitscorp
Advertising & Marketing · Information Technology · eCommerce
Engineering studio offering AI agents, data pipelines, full-stack rebuilds, mobile launches and DevOps for product companies
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Why #7: Founded 2012, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Devico
Advertising & Marketing · Software Development · Mobile App · Also in Silicon Valley
Devico is a software development company that has spent about ten years building custom software for companies in many countries.
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Why #8: In business 10+ years, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
GegoSoft Technologies
Consumer Products & Services · Advertising & Marketing · Business Services
GegoSoft Technologies is a software development company in Madurai, Tamil Nadu, established in 2017.
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Why #9: Founded 2017 · Team of 18+, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
iqcode
Advertising & Marketing · Real Estate · eCommerce
iqcode is a software house in Warsaw, Poland, founded in 2018.
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Why #10 (shared): Founded 2018, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Fively
Custom Software Development · Business Services · Financial Services · Also in Belarus
Fively has been building bespoke B2B software since 2018. It focuses on custom development for startups, taking products from early idea to prototype, MVP and full release, and…
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Why #10 (shared): Founded 2018, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
AppLogiQ
Advertising & Marketing · Information Technology · Mobile App
AppLogiQ is a digital product engineering company, founded in India in 2019, that designs and builds software for start-ups and small and mid-sized firms.
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Why #12: Founded 2019, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
3PRIME LLC
Responsive · SEO · Internet
3PRIME LLC, trading as 3PRIME Web Solutions, is a web and marketing agency in Hamden, Connecticut.
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Why #13 (shared): Google partner, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
kromeon
Mobile App Development · Business Services · Financial Services · Also in United States of America
kromeon is a software development firm in San Diego, California.
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Why #13 (shared): AWS partner, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
1T
12 Tech
Medical · Android · Cloud · Also in New York and York
12 Tech, trading as 12 TECH LLC, builds custom software and runs cloud services for small and medium-sized enterprises.
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2V Modules
Consumer Products & Services · Advertising & Marketing · Financial Services
2V Modules is a software development team that designs and builds digital products from scratch and says it uses AI across its whole workflow.
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App3null
Supply Chain, Logistics, and Transport · Consumer Products & Services · Arts, Entertainment & Music
App3null is a software developer within the Prestele Group that builds custom Android and iOS apps together with their backends.
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AppEvolve
CRM
AppEvolve is a software consultancy in Boise, in the United States, that designs and builds custom applications.
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Applicable Limited
Consumer Products & Services · Business Services · Information Technology
Applicable Limited is a New Zealand software development company that consults on, builds and then runs custom software for Kiwi businesses.
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Artisan IT Solution
Cloud · AWS
Artisan IT Solution is a software development company in Kuala Lumpur, Malaysia.
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Bean Machine
Android · React · Learning
Bean Machine, written BeanMachine on its own site, is a design and engineering studio that takes software products from first idea through to release.
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Big Digitals
Consumer Products & Services · Arts, Entertainment & Music · Business Services
Big Digitals, registered as Big Digitals Ukraine LLC, is a web and mobile development company that designs, builds and maintains websites and apps for clients around the world.
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BigStep Technologies Pvt. Ltd.
Arts, Entertainment & Music · Advertising & Marketing · Business Services
BigStep Technologies Pvt. Ltd. develops custom software and digital products for startups and enterprises around the world.
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Binary Works IO, Inc.
Agile · Cloud · Engineering
Binary Works IO, Inc. develops custom software and digital products using Agile and DevOps practices to shorten time to market.
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Top App Development Companies for SaaS

creativio

Endless Flux Labs

GEM Custom Apps

Dworkz

Simpleweb

Inncrewin Technologies

Bitscorp

Devico

GegoSoft Technologies

iqcode

Fively

AppLogiQ

3PRIME LLC

kromeon

12 Tech

2V Modules

App3null

AppEvolve

Applicable Limited

Artisan IT Solution

Bean Machine

Big Digitals

BigStep Technologies Pvt. Ltd.

Binary Works IO, Inc.

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