Updated in November 2023

Тop Cross-platform app development Companies

List of the cross-platform app development companies for you project scale.

  • Digital Authority Partners

    Digital Authority Partners

    Digital Authority Partners is an award-winning mobile app agency out of Chicago, Illinois, specializing in healthcare app development. Their work has been featured on CNSBC, Time Magazine and the New York Times. The company was founded in 2015 by Codrin Arsene and Michael Reddy, and currently has offices in Chicago, Las Vegas and San Diego.

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    Company size

    11-50

    Founded

    2016

    Hourly rate

    $151 - 200

    Minimal project

    $10k

    Headquarters

    Chicago, US

    Ready to start

    2-3 weeks

    Highlights
    Best of CES Award for the Top Healthcare Mobile App in 2020.
    Time of the Year Invention for Omron integrated Mobile App.
    Timmy Award for Best Tech Workplace Diversity.
    Core services
    20% Cross-platform app development
    20%
    40%
    40%
    Key clients
    Omron Healthcare
    Athena Health
    Amazon
    Dickson
    Blue Cross Blue Shield
    Humana
    Adecco Group
  • Chetu

    Chetu

    With over 2,800+ skilled professionals distributed across multiple locations in the USA, Europe, and India, Chetu stands out as a leading provider of full-cycle software engineering. The company demonstrates acknowledged proficiency in web and mobile app development, bolstered by strategic partnerships with top-tier technology providers like AWS, Salesforce, Oracle, and Adobe. Chetu's comprehensive services extend to business intelligence services, empowering clients to make informed decisions backed by predictive analytics, ensuring optimized time-to-market for fully functioning solutions.

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    Company size

    1,001-5,000

    Founded

    2000

    Hourly rate

    Undisclosed

    Minimal project

    $10k

    Headquarters

    Noida, IN

    Ready to start

    3-4 weeks

    Highlights
    Has a software development footprint in 25+ business verticals, serving industry-specific solutions
    Has been featured on the Inc. 5000 list of fastest-growing US companies for six consecutive years
    Participates in charitable events annually as part of its Chetu Foundation initiative
    Core services
    30% Cross-platform
    30%
    30%
    40%
    Key clients
    Johnson & Johnson
    Siemens
    IGT
    Conifer
    Brookstone
    MedAdept
  • 10Pearls

    10Pearls

    10Pearls, founded in 2004 and now globally operational with over 700 experts, is a comprehensive software development provider. They offer a one-stop-shop for software development, including proficiency in emerging technologies like natural language processing, artificial intelligence, blockchain, big data, and machine learning. The company's emphasis on in-house R&D through 10Pearls Labs, along with their prowess in DevOps and cloud engineering, is complemented by strategic partnerships with industry leaders such as AWS and Microsoft.

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    Company size

    501-1,000

    Founded

    2004

    Hourly rate

    $25 - 50

    Minimal project

    $50k

    Headquarters

    Karachi, PK

    Ready to start

    2-3 weeks

    Highlights
    Is recognized by Gartner, Forrester, Erst & Young, and Inc. 5000
    Contributes to social good through its Empower Foundation organization
    Runs 10Pearls University with professional development courses
    Core services
    25% Cross-platform app development
    25%
    35%
    40%
    Key clients
    Coca-Cola
    PayPal
    Capital One
    National Geographic
    Johnson & Johnson
  • Fingent

    Fingent

    This New York-headquartered company is an international provider of end-to-end software delivery services, which includes technology consulting, business process outsourcing, solution implementation, and product support across a range of tech domains. In addition, they have created a number of proprietary products for business automation and are ready to provide comprehensive infrastructure management assistance on request.

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    Company size

    201-500

    Founded

    2003

    Hourly rate

    $25 - 50

    Minimal project

    $20k

    Headquarters

    Kakkanad, IN

    Ready to start

    2-3 weeks

    Highlights
    House 300+ professionals.
    Has offices in the US, Australia, UAE, and India.
    Has served 150+ clients, including Fortune 500 companies.
    Core services
    35% Cross-platform app development
    35%
    30%
    35%
    Key clients
    GSMA
    Impact XM
    Mohawk Day Camp
    Spectrum Exchange Corporation
    Be Strong
    Wage CALC
  • Sigma Software

    Sigma Software

    Sigma Software is a group of companies with headquarters in Sweden, delivery centers in Ukraine, and offices in Poland, the US and Australia. With their global operational coverage, they assist companies of all sizes and startups with full-cycle software development, including embedded software solutions, managed IT services and tech consulting. Recognizing their clients’ specifics, they offer differentiated modes of cooperation for enterprises, consulting companies, startups, and product companies.

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    Company size

    1,001-5,000

    Founded

    2002

    Hourly rate

    $51 - $100

    Minimal project

    $50k

    Headquarters

    Kharkiv, UA

    Ready to start

    2-3 weeks

    Highlights
    Runs a startup investment fund.
    Employs 1,500+ software professionals globally.
    Is on the IAOP’s list of top 100 global outsourcing companies.
    Core services
    30% Cross-platform
    30%
    50%
    20%
    Key clients
    Aol
    Mindvalley
    Volvo Penta
    Blacksnowgames
    Knorr-Bremse
    Aareon
    AstraZeneca
    Viaplay
  • Scalefocus

    Scalefocus

    Scalefocus is an international custom software development consultancy that offers a mix of competencies for creating digital enterprise and consumer products. From strategy to infrastructure support, they are ready to serve the full cycle of services, aided by their strong partnerships with IBM, SAP, Oracle, and more leading technology vendors, as well as their multifaceted knowledge of their clients’ industries and business goals.

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    Company size

    501-1,000

    Founded

    2012

    Hourly rate

    $51 - 100

    Minimal project

    No limit

    Headquarters

    Sofia, BG

    Ready to start

    2-3 weeks

    Highlights
    Is the biggest Bulgarian owned software development company.
    Has completed 500+ projects to date.
    Was recognized as the Innovative Company of the Year at the 2021 Forbes Business Аwards.
    Core services
    40% Cross-platform app development
    40%
    30%
    30%
    Key clients
    Motivforce
    Paysafe
    Vivacom
    Taxback International
    AVIQ Systems
    Vivartia
  • The One Technologies

    The One Technologies

    The One Technologies is a proficient offshore software outsourcing company, specializing in asp.net web development, custom software systems, and mobile applications. They prioritize quality, timely delivery, and top-notch service while offering a wide range of web and mobile application solutions. Their expertise spans web design, eCommerce, ERP, CRM, CMS, and technology consulting, serving clients globally in the USA, Europe, the Middle East, and Australia.

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    Company size

    51-200

    Founded

    2012

    Hourly rate

    < $25

    Minimal project

    $10k

    Headquarters

    Independence, US

    Ready to start

    >2 weeks

    Core services
    40% Cross-platform app development
    40%
    30%
    30%
  • Simform

    Simform

    Founded in 2010, Simform is a Florida-based software engineering company helping startups, mid-market companies and enterprises alike to innovate. For this, they offer their competent teams on demand, ready to cover such scope of work as application development, software testing, mobile and API development, among other services. They have taken a particular niche with their custom AI/ML solution offering, being fluent in open-source frameworks to deliver smart software.

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    Company size

    501-1,000

    Founded

    2010

    Hourly rate

    $51 - 100

    Minimal project

    $10k

    Headquarters

    Ahmedabad, IN

    Ready to start

    2-3 weeks

    Highlights
    Has served over 900 clients so far.
    Operates from 10 locations across North America.
    Offers a seamless team augmentation model.
    Core services
    30% Cross-platform
    30%
    40%
    30%
    Key clients
    Sony Music
    Boy Scouts of America
    PepsiCo
    Hilton
    Tryg
  • Antier Solutions

    Antier Solutions

    At Antier, can conceptualize your ideas into reality by utilizing our expertise in blockchain technology and related services. We can customize a pre-build script to make it perfectly suitable according to your needs. Thus, the crypto exchange developed by us will have future-ready features, such as ensured security, scalability, cross-chain compatibility, multi-currency support, and amazing trading features.

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    Company size

    501-1,000

    Founded

    2005

    Hourly rate

    $51 - 100

    Minimal project

    $10k

    Headquarters

    Palm Springs, US

    Ready to start

    Undisclosed

    Core services
    30% Cross-platform app development
    30%
    35%
    35%
  • Fueled

    Fueled

    Fueled is an award-winning digital agency driving digital transformation for their high-profile clients from the ranks of unicorn startups, Fortune 500 companies, and mid-market businesses. They have the passion and knowledge to bring up competitive digital strategies, customer experience, data analytics, and growth marketing solutions. This extends to complex enterprise solutions and niche mobile and web solutions, depending on their clients’ needs.

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    Company size

    51-200

    Founded

    2007

    Hourly rate

    $151 - 200

    Minimal project

    No limit

    Headquarters

    New York, US

    Ready to start

    >2 weeks

    Highlights
    Has offices in the US and UK.
    Has won Apple’s App of the Year award.
    Regularly reviews third-party apps.
    Core services
    30% Cross-platform app development
    30%
    40%
    30%
    Key clients
    Verizon
    Afterlight
    9gag
    sakara
    MGM Resorts International
    Matador
  • Radixweb

    Radixweb

    Radixweb was founded in 2000 to help businesses increase their value and drive growth through digital solutions. Now, two decades later, they operate across India and the USA, having served 2,900+ clients worldwide. Their mature expertise extends to custom software engineering, web and mobile applications, embedded software, and quality assurance for every industry. Their strong partnerships with cloud vendors, such as AWS, Microsoft and Google, help them stay at the forefront of contemporary scalable software engineering.

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    Company size

    201-500

    Founded

    2000

    Hourly rate

    $25 - 50

    Minimal project

    $20k

    Headquarters

    Ahmedabad, IN

    Ready to start

    2-3 weeks

    Highlights
    They offer full-stack dedicated developers for web and mobile solutions.
    Has consistently appeared on the IAOP’s Global Outsourcing 100 list.
    Has offices in North America, Europe, Middle East and Australia.
    Core services
    20% Cross-platform app development
    20%
    40%
    40%
    Key clients
    Verizon
    HP
    The New York Times
    Shutterfly
    Xerox
  • Vega IT

    Vega IT

    Vega IT was founded in Serbia and now, more than two decades later, has grown to become a notable regional provider of software development and consulting services. They pride themselves in a strong corporate culture uniting over 500 professionals, who are experience in custom software engineering, including embedded systems, R&D, maintenance, and support provision, including as dedicated development teams.

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    Company size

    501-1,000

    Founded

    2008

    Hourly rate

    $51 - 100

    Minimal project

    $10k

    Headquarters

    Novi Sad, RS

    Ready to start

    2-3 weeks

    Highlights
    Is headquartered in Novi Sad, Serbia.
    Has a team of 500+ people.
    Is on Deloitte’s Fast 500 list.
    Core services
    35% Cross-platform app development
    35%
    35%
    30%
    Key clients
    Argus Data Insights
    Alligence Communications
    Bright Marbles
  • Narola Infotech

    Narola Infotech

    Narola Infotech is one of the most recognized software engineering outsourcing brands in their regions. They offer full-cycle custom software development services including web and mobile applications for various industry niches, cloud and DevOps consulting, as well as quality assurance. Their areas of specialties cover intelligent technologies such as machine learning, custom social networking apps, solutions for healthcare, and more.

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    Company size

    201-500

    Founded

    2005

    Hourly rate

    < $25

    Minimal project

    No limit

    Headquarters

    Surat, IN

    Ready to start

    2-3 weeks

    Highlights
    Has delivered 1,500+ projects in total.
    Has a headcount of 150+ IT experts.
    Reports a 100% project delivery success rate.
    Core services
    35% Cross-platform app development
    35%
    25%
    40%
    Key clients
    FlatZap
    Bazingaapp
    Goran Net 4G
  • Spyrosoft

    Spyrosoft

    Spyrosoft is a rapidly growing Poland-based software engineering company with a global presence. Their long list of competencies rests on their carefully sourced talent and business integrity, which they call their top priority. Experts in product design, embedded software engineering, quality assurance and technology consulting, they implement AI/ML, cloud, ecommerce and industry 4.0 solutions for their renowned clients in a range of industries, including automotive and financial services, among others.

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    Company size

    501-1,000

    Founded

    2016

    Hourly rate

    Undisclosed

    Minimal project

    Undisclosed

    Headquarters

    Wrocław, PL

    Ready to start

    2-3 weeks

    Highlights
    Is on the FT’s list of Europe’s 1000 fastest-growing companies.
    Employs 750+ professionals.
    Has served 150+ clients worldwide.
    Core services
    30% Cross-platform app development
    30%
    40%
    30%
    Key clients
    Digital Enabler
    Unit4
  • TatvaSoft

    TatvaSoft

    TatvaSoft, established in 2001, is a custom software development company based in India, with offices in Australia, Canada, the UK, and the US. The company has over 900 IT experts proficient in the areas of Big Data, BI, Biztalk, Mobile, Java, Microsoft, Open Source, PHP, and SharePoint. Following the onshore-offshore model through their development center in India, they serve global clients across 10 industries, including startups and Fortune 500 companies.

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    Company size

    1,001-5,000

    Founded

    2001

    Hourly rate

    < $25

    Minimal project

    $10k

    Headquarters

    Ahmedabad, IN

    Ready to start

    3-4 weeks

    Highlights
    Is ISO-certified and GDPR-compliant.
    Is a Microsoft Gold Partner and a CMMI Level 3 certified company.
    Has over 1,800 completed projects with over 810 clients worldwide.
    Core services
    30% Cross-platform app development
    30%
    40%
    30%
    Key clients
    Xerox
    Pepsico
    KFC
    SSE
    De Beers
    NSW Health
  • Itransition

    Itransition

    Itransition is a global software development company that has grown to over 3,000 professionals located across the US and European offices. The company offers full-cycle software engineering skill sets, complete with technology advisory and independent QA. They work with SMBs and enterprises, helping them carry out digital transformation and embrace innovation driven by R&D and knowledge generated at their specialized centers of competences.

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    Company size

    1,001-5,000

    Founded

    1998

    Hourly rate

    $25 - 50

    Minimal project

    $10k

    Headquarters

    Minsk, BY

    Ready to start

    3-4 weeks

    Highlights
    Has completed 1,530+ projects for over 800 clients globally.
    Was recognized by Forrester on their Software Product Engineering Services PEAK Matrix.
    Holds partnership statuses with Microsoft, Adobe, SAP, AWS, and others.
    Core services
    30% Cross-platform app development
    30%
    35%
    35%
    Key clients
    adidas
    ebay
    Expedia
    Pepsico
    Toyota
    PayPal
    Mercedes-Benz
  • Table XI

    Table XI

    For over twenty years of their operation, Table XI has served more than a hundred companies from all walks of business, including mission-driven organizations. This medium-sized software engineering consultancy provides its time-proven expertise globally, addressing business needs for strategy-led innovation. They are ready to lend a hand in custom web and mobile app development, Agile transformation, product design, and project management, among other areas.

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    Company size

    51-200

    Founded

    2002

    Hourly rate

    $25 - 50

    Minimal project

    $100k

    Headquarters

    Chicago, US

    Ready to start

    >2 weeks

    Highlights
    Is an industry-agnostic provider with a track record in multiple domains.
    Is an official member of the Forbes Chicago Business Council.
    Offers professional development workshops on Agile, product innovation, and more.
    Core services
    50% Cross-platform app development
    50%
    25%
    25%
    Key clients
    JAMA Network
    Tyson Foods
    Dickson
    RICE
    AccuWeather
  • Ingsoftware

    Ingsoftware

    This privately owned company operating across offices in Europe, the US, and Africa has established a partnership-centric relationship with their many customers. They prioritize digital transformation and the full-cycle service range over fragmented solutions to isolated business pain points. Expert in all major areas of software engineering, they offer flexible cooperation models from fixed price to dedicated development centers and are willing to help those reaching out to them define project and technical requirements before embarking on a project.

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    Company size

    51-200

    Founded

    2009

    Hourly rate

    $25 - 50

    Minimal project

    No limit

    Headquarters

    Nis, RS

    Ready to start

    >2 weeks

    Highlights
    Has near 100 professionals on board.
    Also offers the branding and design services.
    Sources new talent through internships.
    Core services
    40% Cross-platform app development
    40%
    30%
    30%
    Key clients
    GBI
    Palfinger
    Auvere
    ProfitOptics
    Saltcreek
  • Impiger Technologies

    Impiger Technologies

    Translated from Latin as ‘diligence’, Impiger is a reputable partner for small and mid-size businesses in need of expert guidance to the implementation and stress-free adoption of digital enterprise technologies. Their services span process automation, experience design, digital marketing, consulting, and quality assurance, which they provide across their offices in the US, UAE, India, and Uganda.

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    Company size

    201-500

    Founded

    2004

    Hourly rate

    $25 - 50

    Minimal project

    $20k

    Headquarters

    Chennai, IN

    Ready to start

    2-3 weeks

    Highlights
    Employs a team of 450+ professionals.
    Has cooperated with over 250 clients globally.
    Created 500+ web and mobile apps.
    Core services
    40% Cross-platform app development
    40%
    30%
    30%
    Key clients
    Bank of Stockton
    American Leather
    Beckman Coulter
    Fanpage
    Freshbenies
    PwC
  • CHI Software

    CHI Software

    CHI is a mid-sized software development company founded in Ukraine in 2006. They assist startups and mature enterprises in the areas of technology consulting and product development following their established models of either on-demand staffing or dedicated teams. Positioned as an R&D center, they keep tabs on the emerging innovations and are ready to take up projects in AI, IoT, cloud and AR/VR across web and mobile platforms.

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    Company size

    201-500

    Founded

    2006

    Hourly rate

    $51 - 100

    Minimal project

    $50k

    Headquarters

    Kharkiv, UA

    Ready to start

    2-3 weeks

    Highlights
    Houses 500+ IT professionals.
    Is Microsoft and Oracle certified.
    Their testers facilitate ISTQB Foundation training.
    Core services
    40% Cross-platform app development
    40%
    30%
    30%
    Key clients
    Labgroup
    QArea
    Say2eat
    Blocksport
    Piligrim UA
    Binadox