Daniel Saks
Chief Executive Officer
The billing and invoicing software market is experiencing explosive growth, projected to expand from $7.63 billion in 2024 to $18.65 billion by 2029 at a 19.5% compound annual growth rate. This acceleration is fueled by AI-powered automation, usage-based pricing models, and enterprise digital transformation. For these fast-growing billing tech companies, finding and engaging the right customers efficiently is critical to maintaining momentum. That's where AI-driven audience discovery platforms like Landbase become essential—enabling billing and invoicing startups to identify high-intent prospects actively seeking financial automation solutions through natural-language targeting.
BillingPlatform provides an enterprise-grade SaaS billing platform that helps large organizations manage complex subscription and usage-based billing models. Their platform serves global enterprises across software, finance, media, and transportation industries, processing billions in transactions annually. The company recently launched AI Monetization offerings and RevenueIQ, an AI suite specifically designed for accounting teams.
BillingPlatform has become the standard for enterprises with complex billing needs requiring AI-driven monetization strategies. The company achieved 187% three-year growth and earned six consecutive Deloitte Technology Fast 500 rankings (2020-2025), demonstrating sustained market leadership. Their consistent recognition as a Leader in the Gartner Magic Quadrant for Recurring Billing Applications validates their market position and technical capabilities in the enterprise billing space.
No specific funding rounds disclosed. The company appears to be privately held with strong organic growth.
Stripe provides payment infrastructure with a comprehensive billing module that serves as the backbone for subscription and usage-based businesses. Their platform powers half of Fortune 100 companies and offers developer-first tools with support for 135+ currencies and advanced payment recovery features. Stripe recently acquired Metronome for $1 billion to strengthen their usage-based billing capabilities.
Stripe's billing infrastructure has become essential for companies scaling subscription and usage-based revenue models. Their developer-friendly approach and massive scale make them the default choice for high-growth companies needing reliable payment and billing infrastructure. The company processed $1.4 trillion in 2024 while achieving profitability with 38% year-over-year growth, demonstrating both scale and sustainable business fundamentals. Their $1 billion acquisition of Metronome signals strategic commitment to dominating usage-based billing.
Metronome specialized in usage-based billing platforms for companies with consumption-based pricing models, particularly serving AI and data-intensive businesses. Their platform powered billing for industry leaders like OpenAI, Anthropic, Databricks, and Nvidia before being acquired by Stripe for $1 billion in December 2025.
Metronome proved that usage-based billing is the "native business model for the AI era," as stated by Stripe CEO Patrick Collison. The company achieved 6x ARR increase in 2023 and secured a $1 billion acquisition by Stripe, validating the critical importance of flexible, consumption-based billing in emerging technology markets. Their rapid adoption by AI industry leaders including OpenAI and Anthropic demonstrates the platform's technical excellence and market fit.
Paid is a London-based startup focused on AI agent billing and monetization, helping SaaS companies break free from traditional seat-based pricing models. Founded by Manny Medina, who previously built Outreach to a $4.4 billion valuation, Paid addresses the emerging need for billing solutions that can handle AI agent usage and interactions.
Paid represents the next frontier in billing innovation, addressing the unique challenges of monetizing AI agents and interactions. The company raised a $21 million seed round—one of the largest in billing tech history—at a $100+ million valuation, demonstrating massive investor confidence. As more SaaS companies incorporate AI agents into their products, traditional billing models become inadequate, creating a significant opportunity for specialized solutions like Paid. The founder's proven track record at Outreach provides credibility and go-to-market expertise.
LedgerUp provides AI-powered contract-to-cash automation for B2B SaaS companies with complex contracts. Their platform uses an AI assistant called "Ari" that reads contracts and automatically configures billing rules, achieving 95% end-to-end automation compared to the 40-70% industry average. The platform is Slack-native, allowing teams to run billing workflows where they already work.
LedgerUp is disrupting traditional billing platforms by solving the complex contract-to-cash problem that plagues mid-market SaaS companies. Their AI-driven approach achieves 95% end-to-end automation versus the 40-70% industry standard, dramatically reducing implementation time and ongoing maintenance costs. The platform deploys in 1-3 weeks compared to months for competitors, and one customer recovered $72,500 in unbilled overages within 30 days. Y Combinator backing and SOC 2 Type II certification provide additional validation and credibility.
Chargebee provides subscription management platform specifically designed for mid-market SaaS companies ($1M-$50M ARR). Their platform offers comprehensive subscription lifecycle management with strong international capabilities, including multi-currency support and automated e-invoicing compliance for global operations.
Chargebee fills the critical gap between SMB-focused billing tools and complex enterprise platforms, serving the fast-growing mid-market SaaS segment. The company pioneered e-invoicing compliance automation integrated directly into their billing suite, addressing the increasingly complex regulatory requirements facing global businesses. Their focus on international compliance, multi-currency support for 135+ currencies, and user-friendly interface designed for non-technical teams makes them ideal for mid-market companies expanding globally without enterprise-level resources.
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Bill.com provides cloud-based accounts payable and accounts receivable automation platform that streamlines invoice management, workflow approval, payment processing, and reconciliation. The platform serves businesses from SMBs to enterprises with comprehensive AP/AR automation.
Bill.com has successfully validated the AP/AR automation market by achieving public company status through their IPO in November 2020, demonstrating that businesses are willing to invest significantly in automating their financial operations. Their comprehensive platform addresses both sides of the cash flow equation—paying bills and collecting receivables—making them a one-stop solution for financial workflow automation. As a publicly-traded company, Bill.com sets the standard for financial automation platforms and demonstrates the market viability of billing technology businesses.
Tipalti provides global payables automation platform that handles complex cross-border supplier payments, procurement, invoice management, VAT compliance, and payment reconciliation. Their platform serves businesses that need to manage payments to international suppliers and contractors while maintaining compliance with global regulations.
Tipalti addresses the critical challenge of global payables automation, which becomes increasingly complex as businesses expand internationally. Their platform handles the regulatory, tax, and compliance complexities of cross-border payments, allowing companies to scale their supplier networks globally without operational headaches. The company has raised significant capital to support their growth in the complex global payments space, demonstrating investor confidence in their approach to solving international payables challenges.
Billtrust provides B2B order-to-cash automation platform with recent AI-powered innovations including Finance Co-Pilot, Payments Analytics, and Cash Application Analytics. Their platform serves B2B businesses needing comprehensive accounts receivable automation with AI-driven insights and cash flow optimization.
Billtrust demonstrates how traditional B2B billing platforms are evolving with AI-powered capabilities to provide deeper insights and automation. The company earned 2024 Overall Technology Leader recognition in SPARK Matrix for Accounts Receivable Applications and achieved Leader status in three IDC MarketScape reports (Enterprise AR, SMB AR, Embedded Payments), showing comprehensive market coverage across segments. Their AI-powered Finance Co-Pilot launched in 2024 represents the next generation of intelligent billing automation.
Recurly specializes in subscription management and revenue recovery platform with industry-leading dunning capabilities. Their platform focuses on reducing involuntary churn by recovering failed payments, achieving a 70% recovery rate on failed transactions—significantly higher than industry averages.
Recurly addresses the critical problem of involuntary churn that plagues subscription businesses. Their specialized focus on revenue recovery—rather than trying to be everything to everyone—allows them to achieve superior results in payment recovery and churn reduction. The platform achieves a 70% failed payment recovery rate, substantially higher than industry averages, helping subscription businesses protect revenue that would otherwise be lost. Their quick implementation timeline makes them particularly attractive for DTC and subscription-heavy business models.
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The billing and invoicing companies featured in this list are growing rapidly by solving critical business problems with innovative technology. However, even the best product needs the right go-to-market strategy to achieve sustainable growth. This is where agentic AI platforms like Landbase become essential for billing tech companies.
Billing and invoicing solutions serve businesses across industries, from SaaS startups to enterprise financial services. Finding the right prospects requires understanding complex buying signals like:
Traditional prospecting methods struggle to identify these nuanced buying signals efficiently. Landbase's GTM-2 Omni AI model solves this challenge by enabling billing companies to use natural-language prompts like:
"CFOs at SaaS companies with 50-500 employees that raised Series B funding in the last 6 months and currently use manual billing processes"
The platform then leverages its 300 million+ contacts and 24 million+ companies with 1,500+ unique signals to identify and qualify prospects matching these criteria. This approach allows billing tech companies to:
For fast-growing billing companies like those featured in this list, efficient customer acquisition is as important as product innovation. Natural-language targeting eliminates the complexity of traditional database queries, making sophisticated audience building accessible to non-technical team members and accelerating time-to-revenue.
Fastest-growing billing and invoicing companies demonstrate significant revenue growth like BillingPlatform's 187% three-year expansion, substantial funding rounds such as Paid's $21 million seed, or strategic acquisitions like Stripe's $1 billion purchase of Metronome. These companies typically show innovation in AI automation, usage-based billing, or solving emerging market needs like AI agent monetization. Growth metrics are validated through third-party recognition such as Deloitte Technology Fast 500 rankings, industry analyst reports, or verified funding announcements.
FinTech startups require billing solutions that can handle complex compliance requirements, multi-currency transactions, and usage-based pricing models that align with their product offerings. Companies like Chargebee offer e-invoicing compliance automation while Metronome specializes in usage-based billing essential for AI and data-intensive FinTech products. These specialized capabilities address the unique regulatory challenges, global expansion needs, and consumption-based pricing models that differentiate FinTech companies from traditional software businesses.
Beyond AI, the most significant emerging trend is usage-based and consumption-based billing models replacing traditional subscription models. Stripe CEO Patrick Collison noted that "metered pricing is the native business model for the AI era," validating this shift. Additionally, global e-invoicing compliance requirements are driving innovation in automated compliance solutions, as demonstrated by Chargebee's e-invoicing service launch. Blockchain-based payment rails and embedded finance capabilities are also emerging as important technologies for next-generation billing platforms.
CEO experience and recent funding are critical indicators of growth potential in the billing and invoicing industry. Paid's founder Manny Medina previously built Outreach to a $4.4 billion valuation, providing proven go-to-market expertise that attracted $21 million in seed funding at a $100+ million valuation. Similarly, substantial funding rounds like Tipalti's significant investor backing demonstrate confidence in the company's vision and provide the capital needed to scale operations, acquire customers, and capture market share in the competitive billing technology landscape.
Landbase helps billing and invoicing companies find ideal customers through natural-language targeting that eliminates complex database queries and technical barriers. Companies can use plain-English prompts to identify prospects based on 1,500+ signals including funding rounds, hiring activity, tech stack changes, and company growth indicators. This allows billing companies to build targeted audience lists in seconds and export up to 10,000 AI-qualified contacts instantly, dramatically accelerating their go-to-market efforts without requiring data science expertise or technical resources.
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