Payment rails are the infrastructure that enables the transfer of money between banks, payment service providers, and other financial institutions. For businesses, choosing the right payment rail depends on factors like speed, cost, geography, and customer satisfaction.
BACS and Faster Payments are two prominent payment rails in the UK. BACS is known for its reliability and low cost, while Faster Payments offers near-instantaneous transfers. However, Lightspark is innovating beyond these traditional systems, aiming to create a new category of global, instant, and low-cost payments.
The Payment Rail Landscape
Payment rails are crucial for moving money between parties, but current systems can be slow, fragmented, and costly, often leading to inefficiencies and delays in financial transactions.
Understanding BACS and Faster Payments
How BACS Works
BACS (Bankers’ Automated Clearing System) operates as a UK-based payment system managed by BACS Payment Schemes Limited. It processes Direct Debit, BACS Direct Credit, and Current Account Switch Service transactions. The process involves the payer initiating a payment instruction with their bank, which is then submitted to BACS for verification and processing. The system verifies recipient details before clearing and settling the payment between banks, typically taking up to three business days. BACS uses automated electronic processing, moving away from manual checks, to ensure efficient and reliable transactions.
Strengths and Limitations of BACS
Strengths
- BACS is cost-effective for businesses, with transaction fees ranging from £0.05 to £0.50, making it ideal for bulk and recurring payments.
- The system is highly reliable and secure, with over 54 years of operation and robust encryption protocols to safeguard financial information.
- BACS is suitable for large, non-urgent payments, providing predictable processing times that help manage cash flow effectively.
Limitations
- BACS transactions can take up to three business days to process, making it unsuitable for urgent payments.
- The system operates only on business days, limiting flexibility for transactions that need to be processed on weekends or holidays.
- BACS requires detailed recipient verification, including name, bank, account number, and sort code, which can add to the administrative burden.
How Faster Payments Works
The Faster Payment System (FPS) operates as a real-time payment service available 24/7, 365 days a year. It enables individuals, businesses, and charities to make payments up to £1 million through online, mobile, or telephone banking. The process involves the payer initiating a payment, which is sent to the FPS central infrastructure and then routed to the recipient's bank. Payments are processed in real time, typically within seconds. The system uses ISO 20022 messaging standards and supports both direct and indirect participants, ensuring fast, secure, and seamless transactions.
Strengths and Limitations of Faster Payments
Strengths
- Faster Payments enable near-instantaneous fund transfers, providing immediate access to funds for both personal and business transactions.
- The system operates 24/7, including weekends and holidays, offering unparalleled flexibility and convenience for users.
- Faster Payments are widely accessible, allowing millions of individuals, businesses, and charities across the UK to initiate payments through multiple channels such as online, mobile, and telephone banking.
Limitations
- Transaction limits may vary by bank, with some institutions imposing lower limits than the £1 million cap set by the system.
- Faster Payments are restricted to domestic transactions within the UK, making them unsuitable for international payments.
- Once processed, Faster Payments are irreversible, posing a risk if errors or fraudulent transactions occur.
BACS and Faster Payments Compared
Transaction Speed
BACS transactions typically take up to three business days to process, making it a slower option for payments. In contrast, Faster Payments are near-instantaneous, with most transactions completing within seconds, though some may take up to two hours. Lightspark offers real-time, instant money movement, providing an even faster alternative.
Fees
BACS transactions are generally low-cost, ranging from £0.05 to £0.50 per transaction. Faster Payments can also be cost-effective, usually free or very low cost, but may incur fees up to £2.50 per transaction. Lightspark emphasizes low-cost payments, often at a fraction of traditional costs.
Cross-Border Capabilities
Both BACS and Faster Payments are limited to domestic transactions within the UK and do not support international payments. Lightspark, however, facilitates seamless, low-cost cross-border payments, supporting over 140 countries and 120 currencies.
Security Protocols
BACS is known for its reliability and robust encryption protocols, ensuring secure transactions. Faster Payments also employ strong encryption, authentication, and fraud detection measures. Lightspark leverages Bitcoin’s decentralized foundation for secure, compliant-ready transactions.
Operational Hours
BACS operates only on business days, limiting its flexibility. Faster Payments, on the other hand, are available 24/7, including weekends and holidays. Lightspark further enhances this by offering continuous, uninterrupted service, enabling payments at any time.
How BACS And Faster Payments Are Used
Payroll Processing
BACS is ideal for large, scheduled payrolls due to its low cost and reliability. Faster Payments suits urgent payroll needs, offering immediate fund access. Lightspark enhances payroll processing with real-time, global payments, reducing costs and eliminating delays, making it perfect for international payrolls.
Supplier Payments
BACS is cost-effective for bulk supplier payments, while Faster Payments is better for urgent, smaller transactions. Lightspark offers instant, low-cost cross-border payments, ensuring suppliers worldwide receive funds quickly, improving cash flow and supplier relationships.
Emergency Payments
Faster Payments excels in urgent scenarios, providing near-instantaneous fund transfers. BACS is less suitable due to its three-day processing time. Lightspark's real-time, 24/7 payments ensure immediate access to funds globally, making it ideal for emergency financial needs.
Recurring Bill Payments
BACS is perfect for predictable, recurring payments like utility bills due to its low cost and reliability. Faster Payments offers flexibility for last-minute payments. Lightspark supports seamless, automated recurring payments globally, reducing administrative burden and ensuring timely payments across borders.
Time for a New Standard

Lightspark is a global payments infrastructure provider that enables real-time, cross-border money movement for Bitcoin, fiat, and stablecoins, offering a faster, more cost-effective, and secure alternative to traditional systems like BACS and Faster Payments.
- Built on Bitcoin: Lightspark’s infrastructure leverages Bitcoin’s open, decentralized foundation, creating a global payments network that bridges current financial systems with next-generation technology.
- Instant Settlement: The platform enables real-time, 24/7 payments across borders and currencies, eliminating traditional banking delays.
- Lower fees: Lightspark offers payments at a fraction of today’s costs by reducing the need for intermediaries and expensive cross-border payment rails.
- Cross-border security by default: Built for secure, cross-border payments, Lightspark leverages Bitcoin’s decentralized and secure foundation to protect transactions from tampering and fraud.
A Modern Infrastructure
For businesses looking to transcend traditional payment systems like BACS and Faster Payments, Lightspark offers the following solutions:
- Wallets: Build feature-rich digital wallets with flexible custody options, supporting Bitcoin, Lightning, and stablecoins.
- Digital Banks: Connect to the Money Grid for real-time, low-cost, and compliant global payments.
- Exchanges: Enable instant, low-cost Bitcoin transactions with built-in compliance tools.
- Stablecoins: Use Spark to create, distribute, and monetize stablecoins on the Bitcoin network.
Emerging technologies and evolving regulations are reshaping the future of payments. Lightspark offers real-time, low-cost global payments, bridging traditional systems with next-gen tech. Don’t settle for outdated options—upgrade to a modern payment rail. Learn more or book a demo today.