A custom software development company builds to your specifications instead of selling you a license. Our directory ranks custom software development firms on code quality, delivery record, portfolio, and verified client reviews, so you can shortlist a bespoke development partner for an MVP, a platform rebuild, or an enterprise system. Hiring inside the United States? Compare software development companies in the USA.

List of Custom Software Development Firms

10,984 Companies-Rankings updated: November 13, 2026
Expertise

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

  • Not A Typical Dev Shop

    datarockets is a development company consisting of 40 in-house developers working remotely from Canada and eastern Europe. Founded in 2014, they develop custom software and applications for startups and medium-sized businesses. Besides development, they consult entrepreneurs on product strategy...

    Top Services:

    • Software Development
    • Mobile App Development
    Location
    Toronto, Canada
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    19 Projects Listed
  • Secure IT Solutions for a more secure environment

    dotcode is a full-cycle software development company. At dotcode, we know how its crucial to understand the users needs when building a successful product. Our team combines amazing minds in Front-End, Back-End, Web and Mobile Development, Quality Assurance, Business Analysis, and UI/UX Design...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Web Design
    • Product Design
    • Show more
    Location
    Lviv, Ukraine
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    21 Projects Listed
  • Shaping the Future of Technology

    When enterprise clients need scalable custom platforms, Plego builds web, mobile, and AI solutions using React, Node.js, Python, and .Net. Founded in 2002 and headquartered in Chicago, the firm has delivered software for Apple TV+, NBCUniversal, Google, Fitbit, and Berkshire Hathaway across eCommerce, ERP...

    Top Services:

    • Web Development
    • eCommerce Development
    • Software Development
    • Web Design
    • AI Development
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $105/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    13 Projects Listed
  • MVP development. Faster than anywhere else

    Reasonable MVP for startups...

    Top Services:

    • UI/UX Design
    • Web Development
    • Digital Services
    • IT Services
    • Market Research
    • Show more
    Location
    Larnaca, Cyprus
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • Scaling Your Business with Custom Solutions and Dedicated Offshore Teams

    srael IT, a top offshore solutions firm, offers custom dev services and dedicated offshore teams of software developers, web designers, and marketing experts. Join a community of satisfied customers and scale your business effectively with our IT recruitment services...

    Top Services:

    • Software Development
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • Redefining Real Estate Tech

    RisingMax Inc., a prominent IT consulting company based in NYC, collaborates with startups and Fortune 500 companies, offering advanced IT solutions, chatbot solution, and smart strategies to streamline business operations and explore new opportunities...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • Blockchain
    • Software Testing
    • Show more
    Location
    New York City, New York
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    7 Projects Listed
  • AI is easy. Systems are hard. We build systems.

    Aristek Systems specializes in delivering bespoke software development services for EdTech, HealthTech, Logistics, and Retail. Our decades of experience enable superior outcomes in AI, data science, ERP/CRM, and UI/UX. Let’s craft your next digital advantage—connect with us today...

    Top Services:

    • Software Development
    • AI Development
    • Staff Augmentation
    • Cloud Consulting
    • Software Testing
    • Show more
    Location
    Vilnius, Lithuania
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    20 Projects Listed
  • HIGH QUALITY SOFTWARE COMPANY IN VIETNAM

    With over 10 years of expertise, AgileTech Vietnam stands at the forefront of delivering innovative technology solutions across a wide range of industries. Our team of 300+ skilled developers has completed more than 1,000 successful projects, ranging from dynamic startups to large-scale enterprises...

    Top Services:

    • Web Development
    • WordPress Website Design
    • UI/UX Design
    • eCommerce Development
    • Web Design
    • Show more
    Location
    Hanoi, Vietnam
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    50 Projects Listed
  • Your Vision Our Mission

    We are your partner that transforms your ideas into digital products. We help your business scale up and become more profitable through technology utilization. We have seen many businesses fail and use those experiences to help improve your business offering through technology...

    Top Services:

    • Web Development
    • Software Development
    • Mobile App Development
    • Cybersecurity
    • Big Data Analytics
    • Show more
    Location
    Salt Lake City, Utah
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed
  • Driving Project Success No Matter What

    ScienceSoft USA Corporation, doing business as ScienceSoft, is an AI transformation and software development company with more than 36 years of experience. The company has strong expertise in the healthcare, insurance, and investment sectors...

    Top Services:

    • Software Development
    • Mobile App Development
    • Cloud Consulting
    • Managed Services
    • Wearables
    • Show more
    Location
    McKinney, Texas
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Portfolios Count
    11 Projects Listed
  • AI Native Software and Mobile App Development Company

    VT Netzwelt builds AI solutions, mobile apps, ecommerce platforms, and custom software. Since 2013, we've delivered 700+ projects for 270+ clients across mobility, healthcare, and industrial IoT. Book a free consultation today!...

    Top Services:

    • Software Development
    • eCommerce Development
    • Web Development
    • Mobile App Development
    • IT Services
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    22 Projects Listed
  • Inspiring Innovation.

    We produce dependable technology solutions while emphasizing team growth, continual innovation, and a sense of belonging. We offer value to your organization by creating new customer experiences without losing sight of the client. With the assistance of our team of professionals, we foster innovation by...

    Top Services:

    • Mobile App Development
    • Software Development
    • UI/UX Design
    • HR Outsourcing
    • IT Services
    • Show more
    Location
    Buenos Aires, Argentina
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    6 Projects Listed
  • World-Class Software Development Company

    Datazo InfoTech is an Award-Winning & World-Class Software Development Company with Engineering Hubs in NYC. We are committed to providing end-to-end IT services with a mission to solve complex software engineering problems...

    Top Services:

    • IT Services
    • Software Development
    • AI Development
    • eCommerce Development
    • Web Development
    • Show more
    Location
    Dhaka, Bangladesh
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    10 Projects Listed
  • Delivering the Future Tech

    Take your software services and products to the next level with our best user experience solutions for your customers...

    Top Services:

    • Digital Strategy
    • Web Design
    • eCommerce Development
    • Web Development
    • UI/UX Design
    • Show more
    Location
    Kalispell, Montana
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    28 Projects Listed
  • Experience the Best in Mobile Entertainment

    At Inventco Software, we craft top-tier media apps that redefine user engagement. Pioneers in media app development, we seamlessly blend mobility and entertainment, ensuring your brand resonates universally...

    Top Services:

    • Mobile App Development
    • eCommerce Development
    • Blockchain
    • AI Development
    • IoT
    • Show more
    Location
    Somerset, Massachusetts
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    75 Projects Listed
  • Your Custom Product Lab

    We are a leading app design and development company headquartered in Texas, with a dedicated development center in India. With over 75 talented employees, we have successfully delivered 100+ projects across various industries...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Blockchain
    • IoT
    • Show more
    Location
    Houston, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    13 Projects Listed
  • Innovate Today to Lead Tomorrow.

    LeverX is an SAP Gold Partner with SAP as its core expertise, delivering AI-powered SAP services and accelerators, including SAP IPS, BMAX, SAP IPD Formulation, and LeverX Data Management Platform...

    Top Services:

    • IT Services
    • CRM Consulting
    • ERP Consulting
    • Cloud Consulting
    • Software Development
    • Show more
    Location
    Miami, Florida
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $75/hr
    Portfolios Count
    26 Projects Listed
  • We Make a Difference

    I am grateful that you took the time to visit! Because you are here, I may assume that you are searching for help with some aspect of software development, whether it is UI/UX design or mobile app development. You are at the appropriate location. Your unique requirements for digital company might become a...

    Top Services:

    • Mobile App Development
    • Web Design
    • Software Development
    • WordPress Website Design
    • eCommerce Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    16 Projects Listed
  • Think Big. Think The Apptitude - We build apps that build your business.

    Think Big. Think The Apptitude. This is not merely a slogan - we welcome challenges and deliver sustainable results as per the needs and timeline of clients. From startups to established businesses, The Apptitude has been helping brands succeed in the AI and digital world for well over 9 years...

    Top Services:

    • Software Development
    • Mobile App Development
    • Blockchain
    • AI Development
    • eCommerce Development
    • Show more
    Location
    Houston, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • Apptension helps brands, investors and innovators build their digital products.

    Apptension is a creative product studio focused on crafting innovative experiences and delivering cutting-edge tech to our partners.We work with founders, investors, and creative agencies to help them bring uncommon ideas to the market. Among our clients - plenty of early-stage startups, as well as...

    Top Services:

    • Mobile App Development
    • Software Development
    • eCommerce Development
    • VR/AR
    • Product Design
    • Show more
    Location
    Poznan, Poland
    Number of Employees
    50 - 99
    Average Hourly Rate
    $58/hr
    Portfolios Count
    30 Projects Listed
  • Products Start Here.

    Founded in 2016, WestLink is a Colorado-based digital product development studio, providing product development and strategy consulting services for companies across the US. Get in touch - we'd be excited to see how we can help!...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • eCommerce Development
    • UI/UX Design
    • Show more
    Location
    Denver, Colorado
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up
  • #1 Boutique App Development Agency.

    Synergy Labs is a results-driven mobile app and web development agency helping startups, enterprises, and fast-growing businesses build scalable digital products. With a team of experienced UI/UX designers, app developers, and growth strategists, we've partnered with clients across the world...

    Top Services:

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • AI Development
    • Show more
    Location
    Miami, Florida
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Portfolios Count
    8 Projects Listed
  • We provide efficient software solutions tailored to your business needs.

    SmartTek Solutions is a software development company that delivers software products, biotech, managed IT outsourcing services, and solution engineering to world-renowned customers...

    Top Services:

    • Web Design
    • Software Development
    • IT Services
    • VR/AR
    • Mobile App Development
    • Show more
    Location
    Austin, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    36 Projects Listed
  • We build tailored data platforms that help businesses collect, transform and turn data into insights

    GroupBWT is a consulting firm specializing in data management and the construction of data platforms. Our approach combines classical data warehousing with robust visualization tools, ETL processes, and business intelligence...

    Top Services:

    • Big Data Analytics
    • AI Development
    • Web Development
    • Software Development
    • Mobile App Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    14 Projects Listed
  • FinTech Apps Development

    Itexus is a fintech software development company delivering enterprise-grade software solutions for both the traditional financial services industry and disruptive fintech startups. The company builds secure, compliant, high-load platforms across Digital Banking, Stock Trading, Investment Management, Crypto...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Software Testing
    • AI Development
    • Show more
    Location
    Dover, Delaware
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    18 Projects Listed
  • Making Digital Impact that Matters

    Making Digital Impact that Matters...

    Top Services:

    • Staff Augmentation
    • Mobile App Development
    • Software Development
    • eCommerce Development
    • Web Development
    • Show more
    Location
    Ho Chi Minh, Vietnam
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    74 Projects Listed
  • M TECHUB LLC

    VerifiedVerified by the DesignRush team for authenticity and credibility.
    M TECHUB LLC, Where Ideas Become Scalable Digital Products

    M TECHUB LLC Leading Mobile App Development & Staff Augmentation Company in the USA...

    Top Services:

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • AI Development
    • Web Development
    • Show more
    Location
    Mountain View, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    25 Projects Listed
  • Your AI Apps & eCommerce Solution.

    ECA Tech delivers professional, cost-effective AI application development for agencies across the USA and Canada. We build custom AI software that scales your operations and enhances client value, combining technical excellence with bespoke solutions to drive exceptional results...

    Top Services:

    • Digital Services
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Web Design
    • Show more
    Location
    Toronto, Canada
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Designing Digital Excellence, Webflow-Style!

    We are a digital agency based in Poland dedicated to enhancing user experiences. We specialize in creating websites using the Webflow platform. With a team of highly skilled Webflow developers and exceptionally creative designers on board, we take pride in crafting high-quality and customized digital products...

    Top Services:

    • Design Services
    • Web Design
    • UI/UX Design
    • Web Development
    • eCommerce Development
    • Show more
    Location
    Gdansk, Poland
    Number of Employees
    Under 49
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed
  • We Build Brands, We Generate Leads & We Build Bridges!

    GO LOGO NOW has perfected the ideation and pronouncements of technology over the years by drinking the cocktail of motivation, innovation, materialization and amalgamation, with addition of exhaustive research, steady tread and rigid dedication...

    Top Services:

    • Mobile App Development
    • Web Design
    • Branding
    • Software Development
    • Blockchain
    • Show more
    Location
    Irvington, New Jersey
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    14 Projects Listed
  • Leading the AI Revolution in Healthcare & Enterprise Solutions

    Next-Generation AI Development Company - Transforming Ideas into Intelligent RealityDreamSoft4u is pioneering the future of AI-powered software development with cutting-edge Generative AI solutions that deliver measurable business impact...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • IoT
    • AI Development
    • Show more
    Location
    Corona, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    18 Projects Listed
  • AI-Driven Software Development Company

    Build what your business couldnt before...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Cloud Consulting
    • Staff Augmentation
    • Show more
    Location
    Lviv, Ukraine
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    23 Projects Listed
  • Optimize Your Business

    At Dataprism, we deliver cutting-edge data engineering solutions that turn raw data into actionable insights. Our expertise spans data extraction, pipeline development, warehousing, and modeling. We integrate AI, machine learning, and big data processing into scalable cloud-based systems. Our goal is to build...

    Top Services:

    • AI Development
    • Big Data Analytics
    • Software Development
    • Cloud Consulting
    • Digital Services
    • Show more
    Location
    Atlanta, Georgia
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    38 Projects Listed
  • We Do Everything WordPress

    WisdmLabs specializes in building high-performing eCommerce websites on top of WooCommerce. We are one of the few WooCommerce Development Companies worldwide to be certified as a Platinum Level WooExpert and the only Subscription Migration Partners with WooCommerce...

    Top Services:

    • eCommerce Development
    • Software Development
    • Digital Strategy
    • WordPress Website Design
    • SEO
    • Show more
    Location
    Newark, Delaware
    Number of Employees
    100 - 249
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    7 Projects Listed
  • Helping companies grow.

    Ascendro comprises a seasoned team of software developers dedicated to seamlessly integrating with your organization to conceptualize, develop, and maintain software solutions that drive business growth. Our commitment lies in meticulously understanding your challenges and devising tailored solutions to...

    Top Services:

    • Staff Augmentation
    • Software Development
    • Mobile App Development
    • Cloud Consulting
    • IT Services
    • Show more
    Location
    Bad Nauheim, Germany
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    55 Projects Listed
  • Excellence In Software Engineering

    Emerline is an innovative global software engineering company that delivers full-cycle development services worldwide...

    Top Services:

    • Software Development
    • eCommerce Development
    • Web Development
    • Mobile App Development
    • AI Development
    • Show more
    Location
    Miami, Florida
    Number of Employees
    500 - 999
    Portfolios Count
    25 Projects Listed
  • Altamira

    Award WinnerRecipient of a Best Design Award for outstanding work.
    Great software, zero headaches

    Great software, zero headaches...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • AI Development
    • Web Design
    • Show more
    Location
    Bratislava, Slovakia
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    37 Projects Listed
  • Simplifying complex applications with research-driven approach.

    Simplifying complex applications with a research-driven approach...

    Top Services:

    • UI/UX Design
    • Web Development
    • Software Development
    • Design Services
    • Web Design
    • Show more
    Location
    Newark, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    10 Projects Listed
  • Managed IT Support & Consulting Services Company

    Rivell is a leading Managed IT Services Provider (MSP) based in New Jersey, serving clients in North America. With a team of experienced IT professionals, Rivell offers a comprehensive suite of IT solutions tailored to meet each client's unique needs...

    Top Services:

    • IT Services
    • Cloud Consulting
    • Cybersecurity
    • Managed Services
    • Software Development
    • Show more
    Location
    Mantua Township, New Jersey
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Portfolios Count
    4 Projects Listed
  • The lab for your digital transformation

    Enlab Software is a dedicated offshore software development in Vietnam, delivering enterprise solutions with top notch quality and complete transparency and integrity. Our tech stacks: .NET, Node.js, Python (Django/Flask), Microservices, Angular, ReactJS, Vue.js, Flutter, Azure, AWS, MongoDB, etc...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    Location
    Da Nang, Vietnam
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
  • Solving complex problems with design and technology since 2005.

    We create digital products that streamline operations, grow your audience, and boost business success. Partnering with visionary brands, we transform ideas into impactful solutions using innovative design and technology. Discover how our Software Development expertise can elevate your next project...

    Top Services:

    • Web Development
    • Web Design
    • Mobile App Development
    • UI/UX Design
    • Software Development
    • Show more
    Location
    Zagreb, Croatia
    Number of Employees
    250 - 499
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    24 Projects Listed
  • AI that handles the work. We handle the growth.

    AI adoption for companies with 10-200 employees. A fractional CTO and team find where hours and money go, price every fix, and then build it. 11 years in digital, plus software, web, PPC, and SEO...

    Top Services:

    • AI Development
    • Web Development
    • eCommerce Development
    • Software Development
    • Digital Marketing
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    28 Projects Listed
  • Dedicated Teams That Build Complex Software Systems

    SiliconMint designs, develops, and supports mission-critical software systems. Based in San Francisco, SiliconMint has offices in New York and Europe to serve clients across the globe...

    Top Services:

    • Software Development
    • Mobile App Development
    • IoT
    • AI Development
    • Cybersecurity
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    7 Projects Listed
  • Software Outsourcing & Development | 500+ Active Clients

    Founded in 2009 by Nacho de Marco and Paul Azorín, BairesDev provides top 1% tech talent to a range of clients, from startups to Fortune 500 companies...

    Top Services:

    • Software Development
    • Web Development
    • UI/UX Design
    • Mobile App Development
    • Software Testing
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed
  • Improve your product’s usability & realize your business goals

    At Adam Fard Studio, we design FinTech, EdTech and SaaS products from sketches and ideas all the way to a coding-ready polished design. After launch, our UX design agency creates solutions to address product usability, dwindling conversion rates and the ever-present challenges of user-retention...

    Top Services:

    • Product Design
    • UI/UX Design
    • Software Development
    Location
    Berlin, Germany
    Number of Employees
    Under 49
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    10 Projects Listed
  • Best Outsourcing on Mobile & Web Development

    DIGIEGGS is a software and consultancy company specialising in new generation software and project development. Has developed many projects from comprehensive projects to company-specific projects and provides various consultancy supports to many companies...

    Top Services:

    • Mobile App Development
    • Software Development
    • UI/UX Design
    • IT Services
    • Show more
    Location
    İzmir, Turkey
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    22 Projects Listed
  • Reforming Tomorrow's Tech

    Empowering California Businesses with Bespoke Web Design and Development Services...

    Top Services:

    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Mobile App Development
    • Software Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    11 Projects Listed
  • We Build. You Trust.

    Kodevent is a US-based software company providing top AI developers and custom solutions built with GPT-4, Claude, Gemini, and LLaMA. We deliver intelligent software to help you launch, grow, and accelerate your businessfocusing on clear communication and lasting partnerships...

    Top Services:

    • AI Development
    • Web Development
    • Staff Augmentation
    • Software Testing
    • Software Development
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
  • Mobile & Web App Production Company

    We help market leader bring web and mobile product to market within 3 months!...

    Top Services:

    • Web Design
    • Product Design
    • Design Services
    • Creative Services
    • UI/UX Design
    • Show more
    Location
    Walnut, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    36 Projects Listed
  • Your tech hive

    We worked with early-stage startups on launching and scaling their MVPs, with SMEs and corporations on digitalizing their business and crafting groundbreaking software. AWS-certified partner with offices in Europe and USA. In 2020 we were awarded by Deloitte for Technology Fast 50 in CE...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Graphic Design
    • Show more
    Location
    Banja Luka, Bosnia and Herzegovina
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    11 Projects Listed

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Identity Check

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2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
48%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
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FAQs About Custom Software Development Companies

What are the most requested services of custom software development firms?

The most requested services from custom software development firms are almost entirely AI-based products, delivered primarily through web application development, mobile development, AI agent development, and legacy system refactoring (updating older systems to support new features). UX/UI design, cloud infrastructure, DevOps, and QA automation are usually included within each of these project types.

 

As reported by Diffco, year-over-year trends show a prevailing shift: AI agent development has grown from a niche request into a significant share of overall volume, while demand for legacy system refactoring continues to rise as clients seek to prepare their existing systems to support AI capabilities.

ServiceShare of total demand
Web application development40%
Mobile app development30%
AI agent development20%
Legacy system refactoring10%

How much do custom software development services cost?

Custom software development services cost about $40,000 to $120,000 for a simple product or MVP and $300,000 to $1 million or more for enterprise-grade systems. An MVP is the first, basic version of your product. Hourly rates depend on location: senior US developers charge $125 to $250 or more, developers in Central and Northern Europe charge $50 to $150, and developers in Asia charge $20 to $50.

 

The final price depends on the project’s scope, how many other systems the software must connect to, and compliance requirements. You should also budget for post-launch maintenance, which typically costs 15% to 25% of the original build cost each year.

How do I choose the right size custom software development firm?

Choosing the right size custom software development firm means matching your project’s complexity to the firm’s capacity.

A large firm with 1,000+ staff suits enterprise-grade projects that involve several connected systems, compliance requirements, many specialists working at the same time, and long-term maintenance. Large firms also offer 24/7 support and teams across time zones, though they charge higher rates and follow more formal processes.

 

A small or mid-size firm with 10 to 200 staff suits an MVP or a mid-scale project with a clear scope and a tighter budget. These firms usually move faster, adapt more easily to changes, and give you direct access to senior developers.

Who owns the IP and source code at the end of the project?

The client owns the IP (intellectual property) and source code at the end of the project in most engagements, unless the contract says otherwise.

Ownership of the source code, documentation, design files, and other custom work usually transfers to you once you pay in full. Contracts make this official through a “work made for hire” clause or an IP assignment clause, both of which state that what the firm builds for you belongs to you.

 

Third-party and open-source components, meaning ready-made code that is freely available or licensed from other companies, stay under their own licenses.

Some firms also keep ownership of tools they built before your project and give you a license to use them. To avoid disputes, make sure your contract states that full IP and source code ownership transfers to you upon payment, with no usage limits.

What tools and frameworks do custom software developers use?

Custom software developers use different tools and frameworks depending on what they are building. The most common include:

  • Full-stack JavaScript: MERN, MEAN, Next.js
  • Backend: Java Spring, Django, Ruby on Rails, LAMP
  • Interfaces and cross-platform apps: React, Angular, Vue, Qt
  • Languages: JavaScript, TypeScript, Python, Kotlin
  • AI and data: Hugging Face, LangChain, Apache Spark, Kafka, Kubeflow
  • QA and testing: Selenium, Cypress, Jenkins, GitLab, JMeter, OWASP ZAP

 

As a buyer, the main thing to check is that the firm uses widely adopted tools, since that makes it easier to find other developers who can maintain your software later.

What are the best software development companies in 2026?

The best custom software development companies, ranked on code quality, delivery record, portfolio, and verified client reviews, are:

  1. ELEKS: Best for large enterprise software, data, and AI projects.
  2. Designli: Best for non-technical founders building MVPs and SaaS platforms.
  3. Goji Labs: Best for startups and large companies that need product strategy, UX/UI design, and development from one team. 
  4. AppMakers USA: Best for iOS and Android apps built by a Los Angeles-based team.
  5. Bilberrry: Best for digital platforms for enterprise, public sector, and high-growth organizations.
  6. Suffescom Solutions Inc: Best for AI, mobile app, and blockchain projects.
  7. Chop Dawg: Best for startups and first-time founders launching web and mobile apps.
  8. Azumo: Best for AI and software projects built by nearshore teams in Latin America.
  9. UX Team: Best for redesigning complex enterprise, SaaS, and legacy software to make it easier to use.
  10. TRIARE: Best for web and mobile products in transport, education, and entertainment. 
  11. GeekyAnts: Best for cross-platform mobile and web apps built with React Native and Flutter.
  12. SCALO: Best for building custom software and adding AI engineering teams.
  13. KrishaWeb: Best for custom websites, web apps, and white-label development for agencies.
  14. Itransition: Best for large enterprise systems such as ERP, CRM, and ecommerce platforms.
  15. Ditstek Innovations: Best for healthcare software that meets compliance standards such as HIPAA.

What should you ask a custom software development firm before hiring?

Ask a custom software development firm about its experience, its process, and your specific project before hiring.

 

  • Experience
    • How long have you built custom software?
    • How many clients come back for more work?
    • How often do your developers leave?
  • Process:
    • How do you organize the work, and how often will I see progress?
    • How much of your testing is automated?
    • How do you handle changes to the project scope?
  • Your project:
    • Who will work on my project, and will they work only on it?
    • Who owns the code, and when does ownership pass to me?
    • What risks do you see? What does support after launch cost?

How do I reduce the risk of hiring the wrong custom software development company?

Reduce the risk of hiring the wrong custom software development company by checking its exit terms and review cadence before you compare prices. Exit terms tell you how easily you can end the contract, and review cadence tells you how often the firm shows you its progress.

Short notice periods and frequent demos give you more chances to spot problems and change direction early. Designli, for example, holds biweekly demos, makes the first 14 days fully refundable, and lets clients cancel with 30 days’ notice. 

How do you verify a custom software developer’s track record?

Verify a custom software developer’s track record by asking for evidence you can check:

  • Request case studies that name the client and the person who approved the work, since anonymous case studies hide the details you need.
  • Ask for references from clients who have worked with the firm for several years, and ask what share of its clients return for more projects.
  • Check team stability too: firms that lose 15% to 20% or fewer of their developers each year retain more project knowledge and make fewer mistakes.
  • Finally, ask how often they release updates, how many bugs reach users, and whether they follow security standards such as ISO 27001 or SOC 2.