Castles Technology

What Castles Technology does

Castles Technology Co., Ltd. is a Taiwan-based, Taiwan Stock Exchange-listed (TWSE: 5258, since 2016) provider of Android- and Linux-based payment acceptance hardware and software, serving acquirers, payment processors, ISOs, ISVs, and end merchants in retail, hospitality, petroleum/convenience, travel and transportation, EV charging, vending, and banking. The company ranks among the top four global payment terminal providers, has sold more than 4.2 million units cumulatively, and operates in 150+ countries through 16+ owned regional offices across North America, EMEA, LATAM, and APAC.

Its core product portfolio spans multiple hardware form factors — countertop (S1F3CT, V3CT3), portable (S1F4 PRO, S1F4 MAX DUO, V1M), multilane and PIN pad (V1P 3.5, V3P3), mini POS, integrated POS (S2PRO-TL), and unattended (S1U2-M2B, S1U2-M4, U1F) — built on Android 9-13 and Linux operating systems with ARM octa-core processors and PCI PTS 6.x/7.x security certifications. Software and services include CasHUB (terminal management system and marketplace), PCI MPoC-certified SoftPOS, device management, security solutions, data analytics, remote key injection, and content management, supported by help desk, logistics, repair/refurbish, and project management services.

Castles makes money primarily through hardware sales to acquirers, processors, ISOs, and ISVs (multi-year enterprise contracts on quote-based pricing), complemented by recurring revenue from SoftPOS licensing and CasHUB subscriptions, and professional services revenue from deployment and lifecycle support. Distribution is hybrid: direct enterprise field sales supplemented by channel partners (e.g., Loomis Pay in Europe), OEM/platform integrations (Elavon All-In-One, Smart Payment Technologies G8, xnPOS MPay), and technology/implementation partners (Seitatech).

Name

Castles Technology

Legal name

Castles Technology Co., Ltd.

Website

https://castlestech.com

Company type

Public

Founded year

2016

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Castles Technology is a Taiwan-based global provider of Android- and Linux-based payment acceptance terminals and supporting software, serving acquirers, processors, ISOs, ISVs, and merchants across retail, hospitality, transportation, EV charging, and unattended verticals in 150+ countries.

Ownership category

akta.pro rank

Product category

Payment Terminals

NAICS

Computer Terminal and Other Computer Peripheral Equipment Manufacturing (334118), Computer and Computer Peripheral Equipment and Software Merchant Wholesalers (423430)

SIC

Wholesale-Computers & Peripheral Equipment & Software (5045)

akta.pro industry

PRIMARYFSAMADAA

POS Terminal Hardware (Countertop, Mobile, PIN Pads)

Financial & Insurance/Payments & Transaction Processing/Point-of-Sale (POS) Payments & Terminals

SECONDARYHDACAKAG

Payment PIN Pads, Card Readers & NFC Contactless Devices

Hardware, Technology & Telecom/Computing Hardware & Peripherals/POS & Retail Computing Hardware

SECONDARYHDACAKAB

Mobile POS (mPOS) Devices & Handheld Terminals

Hardware, Technology & Telecom/Computing Hardware & Peripherals/POS & Retail Computing Hardware

SECONDARYFSAGABAO

POS, SoftPOS & In-Person Acceptance Infrastructure

Financial & Insurance/Financial Technology (Fintech)/Payment Orchestration & Fintech Infrastructure (APIs, Issuing, Processing)

Keywords

• Payment terminals
• Android POS
• SoftPOS solutions
• Terminal management systems
• Unattended payment hardware

Headquarters

HQ city

Taipei

HQ country

Taiwan

HQ region

Asia

Offices16 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Technology or R&D, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Hardware Sales: Sale of Android-based and Linux-based payment terminals including countertop, portable, multilane, mini POS, and unattended devices. Revenue generated from device sales to acquirers, processors, ISOs, ISVs, and merchants.
2. Software Solutions: SoftPOS software licensing and CasHUB terminal management platform subscriptions providing device management, app deployment, and estate monitoring capabilities.
3. Payment Services: Support services including help desk, logistics, repair and refurbish, and project management services supporting terminal deployment and maintenance.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels6 records

Core offering

Castles Technology designs, manufactures, and sells Android-based and Linux-based payment acceptance devices spanning countertop, portable, mobile, multilane, mini POS, PIN pad, and unattended form factors. Its offering is complemented by the CasHUB terminal management system for device estate management and the SoftPOS software-based payment acceptance solution certified under PCI MPoC standards. Customers include acquirers, processors, ISOs, ISVs, banks, and enterprise merchants across retail, hospitality, transportation, fuel, EV charging, and unattended retail verticals.

Product overview

Castles Technology is a global provider of Android-based and Linux-based payment acceptance solutions, offering a comprehensive portfolio of POS terminals and payment software platforms. The product lineup includes Android terminals (S1U2-M2B, S1U2-M4, S1F4K, S1F4 PRO, S1F4 MAX DUO, S1F3, S1F3CT, S1E4 PRO, S1F2, V3CT3, V1M, V1P 3.5, V3P3, S2PRO-TL), Linux unattended terminals (U1F), and PIN pads organized by form factor (Countertop, Mini POS, Multilane & PIN Pad, Portable, Unattended, Integrated POS). These hardware products are supported by software platforms including CasHUB (terminal management system), SoftPOS (software-based payment acceptance), Device Management, Security Solution, Data Analytics Solution, Remote Key Injection, and Content Management System. The company also provides payment services encompassing help desk, logistics, repair/refurbish, and project management. The ecosystem enables attended and unattended retail payment experiences across hospitality, healthcare, retail, transportation, EV charging, and vending sectors.

Differentiator

Problem solved

Functional benefit

Brands

• CasHUB: Terminal management system and device management platform for Castles payment terminals.
• SoftPOS

Products and services

• S1U2-M2B Android Terminal Android-based unattended payment terminal suited for specialized self-service environments including vending, parking, and ticketing.
• S1F4K Mobile POS Terminal Mobile POS terminal in the S1F4 series engineered to optimize operational workflow for retail and hospitality merchants.
• S2PRO-TL 8"/11" Tablet POS High-performance Android tablet POS engineered for luxury boutiques and fine dining establishments.
• S1U2-M4 Unattended Terminal Ruggedized Android unattended terminal engineered for exceptional reliability in EV charging, vending, ticketing, and kiosk applications, featuring the latest PCI PTS 7.x security certification.
• S1F4 PRO Portable Terminal Premium Android 13-based portable payment terminal with octa-core 2.4GHz processor, 6.745" HD+ touchscreen, integrated printer, and versatile connectivity designed for retail, restaurant, hospitality, and banking environments.
• S1F4 MAX DUO Portable Terminal Next-generation portable Android device with dual-screen configuration including 6.7" main and 1.9" sub display, high-performance processor, and multifunctional capabilities for checkout optimization.
• S1F3 Mobile POS Android 12 mobile smartPOS with multifunctional capabilities including 4G LTE, WLAN, Bluetooth, cameras, and integrated printer for checkout optimization.
• S1F3CT Countertop Terminal Android 12 countertop payment terminal with CasHUB integration, designed for fast, secure, and seamless countertop payment processing.
• S1E4 PRO Mobile POS Professional-grade Android mobile POS engineered for demanding field and outdoor operations with IP65 durability, pro-level scanning, rugged construction, and 6000mAh battery.
• S1F2 Mobile SmartPOS Android 9/10-based mobile smartPOS supporting magnetic stripe, contact, contactless payments, and e-wallets with intuitive interface and 6000mAh battery for extended operation.
• V1M Portable Terminal Versatile portable payment terminal with Wi-Fi, 4G LTE, GPRS, Bluetooth, USB connectivity, integrated printer, and PCI 6.x security for mobile payments.
• V1P 3.5 PIN Pad Compact PIN pad payment terminal meeting PCI PTS 6.x requirements, accepting magnetic stripe, chip card, and contactless payments with USB communication.
• V3P3 PIN Pad Compact payment PIN pad meeting PCI PTS 6.0 requirements with multifunctional capabilities, accepting magnetic stripe, chip card, and contactless payments.
• U1F Linux Unattended Terminal Linux-based cashless card reader with integrated telemetry, PIN pad, magnetic stripe, chip, and contactless card readers for unattended payment needs in vending, ticketing, and self-service kiosks.
• V3CT3 Android Terminal Android-based payment terminal engineered for secure, lasting, and reliable performance exceeding payment expectations with comprehensive functionality.
• CasHUB Terminal Management System Terminal management system (TMS) and marketplace platform for remote provisioning, updating, app deployment, and monitoring of payment apps and terminals across device estates.
• SoftPOS Software-Based Payment Acceptance Software-based payment acceptance solution enabling businesses to accept contactless payments on NFC-enabled Android smartphones or tablets, meeting PCI MPoC and EMVCo standards without dedicated hardware.

Quantifiable outcome

• 34.5 million SoftPOS deployments expected globally by 2027
• +2 more outcomes

Named customers15 records

Segments7 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

AI capability6 records

Feature5 records

Partnerships

Seven partnerships are on record, tiered core, strategic and supporting.

• ElavoncoreTechnology or Integration · 17 June 2026Elavon, a wholly owned subsidiary of U.S. Bancorp, integrates Castles Technology hardware into its All-In-One payments platform ecosystem alongside technology partners including Agilysys, Oracle, Shiji, and xnPOS. The partnership enables Android-based POS devices that integrate order entry and payment acceptance across in-store, mobile, and online channels for merchants in North America. Elavon serves more than 1.3 million customers globally.
• xnPOS (Xn Global Systems)strategicTechnology or Integration · 15 April 2026xnPOS and Elavon launched xnPOS MPay, a fully mobile point-of-sale and payment device for hospitality combining xnPOS software with Elavon's payment processing on Castles Technology hardware. Successful pilot tests completed at US hotels enable hotel staff to take orders and process payments anywhere on property including tables, poolside, and events.
• Bright PatternsupportingTechnology or Integration · 24 February 2026Castles Technology selected Bright Pattern's AI-powered omnichannel contact center platform to modernize its worldwide customer service operations. The new solution replaces the existing system and integrates with Matrix42 service management platform, providing AI-driven automation, omnichannel support across multiple channels, and cloud-based scalability for distributed global operations.
• MT Bilgi Teknolojileri A.Ş. (MTBT)coreStrategic or Co-development Partner · 3 February 2026Castles Technology acquired MT Bilgi Teknolojileri A.Ş., a Turkish payment technology company specializing in certified EFT-POS integrated cash register solutions and TSM services. The acquisition reinforces Castles Technology's local execution capabilities in Türkiye and supports the company's strategy to become a more service-oriented global player with a vendor-agnostic services platform.
• Loomis PaycoreChannel Partner/ Reseller/ Distributor · 27 January 2026Castles Technology has been selected by Loomis Pay to provide Android-based payment and POS solutions for its European expansion. The partnership deploys devices including the portable S1F4 Pro, PINPAD S1P2, and unattended S1U2M4 along with CasHUB TMS and Marketplace. Following a successful pilot in Norway with 17 locations, the rollout covers Sweden, Denmark, Norway, and Spain. Seitatech provides specialized payment expertise for software integration.
• SeitatechsupportingImplementation/ SI/ Consulting Partner · 27 January 2026Finnish payment specialist Seitatech provides specialized payment expertise and develops the complete software suite supporting Castles Technology's Loomis Pay partnership for European POS deployment.
• Smart Payment TechnologiesstrategicStrategic or Co-development Partner · 11 January 2026Strategic partnership integrating Castles Technology's PCI P2PE-certified hardware platforms into Smart's G8 payment gateway, targeting EV charging, hospitality, retail, and unattended services sectors. The collaboration enables offline payment capabilities and auto-retry functionality for business continuity during internet outages, with multi-currency support for international expansion and simplified ISV onboarding.

Scale indicators8 records

Recent moves8 records

Expansion highlights6 records

Broad incumbents

• Worldpay (FIS): Large global payment processor with its own terminal estate and partnerships with multiple OEMs. Acts as both a partner channel for Castles and a competitor through proprietary terminal offerings and enterprise payment platform solutions.
• Square (Block): Block-owned Square offers integrated payment hardware, software, and processing for SMBs and enterprise. Larger incumbent that competes with Castles in mobile POS and SoftPOS while also serving as a software-led alternative to traditional terminal OEMs.

Direct peers

• Verifone: One of the largest global POS terminal vendors, offering countertop, mobile, and unattended payment devices to acquirers and merchants. Direct competitor to Castles Technology in Android and Linux-based terminal hardware across retail, hospitality, and unattended verticals.
• Newland Payment Technology: Global POS terminal and scanning hardware vendor with Android smartPOS products. Competes with Castles in retail, hospitality, and unattended segments across EMEA, APAC, and the Americas.
• NEXGO: China-based POS terminal manufacturer with Android smartPOS and unattended offerings. Direct competitor in emerging markets and increasingly in developed markets, with overlapping certifications and acquirer relationships.
• PAX Global Technology: Hong Kong-listed global POS terminal manufacturer with strong Android-based smartPOS portfolio. Comparable to Castles in product breadth, geographic reach, and target acquirer/processor customer base.
• Ingenico (Worldline): Worldline's Ingenico business is a top global POS terminal provider with a broad portfolio of countertop, portable, and unattended devices. Competes head-to-head with Castles in European retail, hospitality, and banking channels.

Emerging players

• Stripe Terminal: Software-led POS hardware offering from Stripe, bundling payment processing with terminals (including BBPOS hardware). Threatens Castles' SoftPOS economics by integrating hardware into a platform that bypasses traditional acquirers.
• SumUp: European-headquartered mobile POS and SoftPOS provider serving SMB merchants globally. Competes with Castles in SoftPOS enablement and lightweight mobile acceptance, particularly across European markets where Castles also operates.
• BBPOS (Stripe Terminal): Hong Kong-based mPOS hardware specialist now owned by Stripe, focused on pocket-sized card readers and SoftPOS-style mobile acceptance. Adjacent competitor to Castles' mobile POS and SoftPOS product lines.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat6 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/Castlestech
• LinkedInlinkedin.com/company/castles-technology-emea
• Facebookfacebook.com/castlestech

Compliance12 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A2 records

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Castles Technology