Top App Development Companies in 2026

EPAM Systems is a US-listed engineering and consulting group whose predecessor was founded in 1993; the current Delaware corporation was incorporated in December 2002. Its principal executive office is in Newtown, Pennsylvania. EPAM reported full-year 2025 revenue of US$5.457 billion, up 15.4% on 2024, and a year-end headcount of about 62,850, of whom roughly 56,600 were delivery professionals. Application development, including mobile, sits within a much wider portfolio that spans platform engineering, data and AI work. Its 10-K identifies India, Ukraine, Poland, Mexico and Belarus among its main delivery locations. The firm is best suited to large enterprises running multi-year programmes rather than single-app projects.

Globant was founded in Argentina in 2003 by Martín Migoya, Néstor Nocetti, Martín Umarán and Guibert Englebienne, and trades on the New York Stock Exchange under the ticker GLOB. The listed parent is Globant S.A., whose results are datelined Luxembourg. For 2025 it reported revenue of US$2,454.9 million, up 1.6% year on year, and 28,773 staff at year end, of whom 26,906 were technology, design and innovation professionals. The same release counts 944 customers that generated more than US$100,000 in the trailing twelve months and 336 accounts above US$1 million. The 2025 headcount figure separates technology, design and innovation staff from the total, reflecting a business that sells product design alongside engineering.

Endava was founded in 2000 by John Cotterell. The company is headquartered at 125 Old Broad Street in London and listed American Depositary Shares on the New York Stock Exchange in July 2018 under the symbol DAVA. For the fiscal year ended 30 June 2025 it reported revenue of £772.3 million, up 4.3%, and 11,479 employees. Endava grew from a single office serving clients principally in the City of London into a group with delivery centres in Central Europe and Latin America. Application development is one of several service lines rather than a standalone practice.

Thoughtworks was founded in Chicago in 1993 and reports more than 10,000 employees across 45 offices in 22 countries. The company was listed on Nasdaq until 13 November 2024, when affiliates of funds advised by Apax Partners completed a take-private transaction valued at about US$1.75 billion. Since then it no longer files public financial statements, so no current revenue figure is available. Its application work is sold as part of custom software and modernisation engagements rather than as standalone app builds. Its about page names Nestlé Brazil as a client.

Itransition is a privately held software development and IT consulting company founded in 1998. Its website states a team of more than 3,000 engineers and more than 800 clients served. Mobile work covers both customer-facing and enterprise applications, and sits alongside ERP, e-commerce and data services. The only client named outright on the home page is The Economist; other examples are described anonymously, such as a US pharmaceutical multinational and a UK furniture manufacturer, while one named product, the investment platform TradeStops, is described as serving more than 30,000 North American investors. The firm suits mid-size and enterprise buyers who want application development bundled with back-office integration.

Simform was founded in 2010 and reports more than 1,200 employees, including over 350 platform-certified engineers. The company describes itself as a product-engineering and cloud partner, and its about page lists partnerships with Microsoft, Databricks, Snowflake, Datadog and IBM, along with AWS and Google Cloud badges and a CMMI Level 3 appraisal. Application development is delivered as part of product-engineering engagements that often extend into data and cloud work. Buyers looking primarily for app design may find the firm's emphasis on cloud and data platforms broader than they need, while those planning apps on Microsoft Azure fit its stated specialisms.

ScienceSoft has operated since 1989 and lists its US entity, ScienceSoft USA Corporation, at McKinney, Texas. It reports more than 750 consultants, engineers and architects, over 4,300 completed projects and more than 1,500 client organisations. Its mobile practice covers native iOS and Android as well as React Native, Flutter and progressive web apps, and the home page features a mobile app for the University of New Mexico Health Sciences Center. The firm holds ISO 9001, ISO 27001 and ISO/IEC 27701 certifications and cites inclusion in the Financial Times ranking of America's fastest-growing companies and the IAOP Global Outsourcing 100. Named clients on the home page include Atlas Credit, bioAffinity Technologies and Alta Resources.

STX Next was founded in 2005 by Maciej Dziergwa, Peter Valkenburg and Andrzej Mleczko as the Polish branch of a Dutch company, became fully Polish-owned and rebranded in 2008, and has been majority-owned by the private equity firm Innova Capital since 2020. It is headquartered in Poznań, delivers from Mérida in Mexico, and has offices in London, Eschborn and Houston. The company reports more than 450 specialists, over 400 clients and more than 1,000 delivered projects. It holds ISO 27001 certification (2024), TISAX validation (2025) and AWS Advanced Tier partner status. Its work is concentrated in web and back-end development, with mobile delivered as part of wider product builds.

Netguru S.A. has operated since 2008, is based in Poznań and reports more than 400 people. Its co-founders Kuba Filipowski and Wiktor Schmidt remain on the leadership team. Clients named on its own site include IKEA, Volkswagen, OLX and its Otodom property portal, Żabka, Careem, Vinted and Delivery Hero. Netguru is a certified B Corporation and cites recognition from Inc. 5000, EY Entrepreneur of the Year and Forbes. The firm has also taken strategic stakes in the agencies Pilot44 and mohi.to, extending its reach into consumer-brand commerce. Most of its named clients are retail, marketplace and delivery businesses.

Infinum was founded in Croatia in 2005 by two engineering students who used prize money from an app-building contest to start the company, and its own timeline records 396 people in 22 teams in 2025. Its headquarters is at Strojarska cesta 22 in Zagreb. The agency lists an unusually long run of design awards, including Red Dot (2019, 2021), iF Design Award (2021, 2022, 2024), German Design Awards (2019), Awwwards (2015, 2016) and Anthem Awards (2024, 2025), plus Deloitte growth rankings in five years between 2013 and 2019. Infinum began as a mobile shop and still treats app design and engineering as a core service.

Fueled was founded in 2007 and reports a fully remote team of more than 300 people across North America, EMEA and other regions. In 2023 it merged with 10up, the WordPress engineering firm founded by Jake Goldman in 2011, adding enterprise WordPress engineering to Fueled's app and digital product work. Founder-emeritus biographies on its about page cite work for Victoria's Secret, Clinique and SoulCycle, and, from the 10up side, Salesforce, Hilton, Disney, WhiteHouse.gov and Google's Site Kit plugin. The company states that its work has been nominated for Emmy Awards and honoured with Webby Awards.

Miquido is a Kraków-based studio that describes itself as having more than 15 years in the market, more than 200 experts and over 250 digital products delivered. Mobile app development is its core service. The firm lists a range of awards, including a Webby (2023) for best visual design, a Lovie Award bronze (2023), a UX Design Awards product-category win (2023) and a Mobile Trends award for best services app (2024), and it states that an app it built was included in Time magazine's list of the 50 best apps of the year. It also cites inclusion in the Financial Times ranking of Europe's fastest-growing companies. The studio's size makes it the smallest firm in this list.