How Much Is Your Billing Lag Actually Costing You?
Most SaaS finance teams know their billing process isn't perfect. Few know what it's actually costing them.
Answer 5 quick questions — contracts signed per month, ACV, days to first invoice, error rate, DSO — and the Tabs Billing Lag Calculator gives you a dollar figure benchmarked against top SaaS companies.
It takes two minutes. The number might surprise you.
Calculate your billing lag and see where you stand.
🔧 FEATURED TOOL: Wesley
Wesley Turns Two Weeks Into One Day
Summary: Wesley automates bank statement ingestion, transaction categorization, and reconciliation for CPA firms serving SMB clients, cutting recurring bookkeeping cycles from up to two weeks down to under 24 hours, the company says. Why it matters: Pilot firms managing 100+ SMB clients report Wesley automating over 80% of categorization and reconciliation work — that's real staff capacity back if bookkeeping is still eating your team's week. Catch: Those numbers come from Wesley's own launch data, not an independent audit, and "up to two weeks" means your simplest clients may already run close to 24 hours without any new tool. Unknowns: Pricing isn't public in the source material, and there's no detail on how exceptions route to a human reviewer — confirm both before handing over a real client file. My take: Worth a real pilot on one low-complexity client this month, not a firm-wide rollout. Treat the 80%+ reduction number as a ceiling, not an average, until you've seen it on your own books. [Read more →]
📰 QUICK HITS
Deepfake Invoices Are Hitting AP Now — Forensic investigators are finding AI-generated fake receipts and deepfake-assisted vendor documentation inside real AP/AR workflows, BDO's Jonathan Marks says. Why it matters: If your vendor master file is disorganized or you don't require two-person approval on new payment accounts, tighten both this week — that's the exact gap investigators say lets AI-generated vendors through. [Read more →]
Xero Puts Live Data Inside Copilot — Xero launched an integration that, the company says, pulls live client cash flow, invoice, and expense data directly into Microsoft 365 Copilot Chat, Excel, Word, and PowerPoint. Why it matters: Assuming your firm or clients run Xero rather than QuickBooks, this kills the manual CSV export before every forecast or board report. For the larger share of US firms still on QuickBooks, it's a non-event for now. [Read more →]
Firms Lose Five Hours Weekly to Bad Tech — Intuit's 2026 survey of 725 accounting professionals found firms juggling 10+ disconnected apps lose an average of five hours weekly moving data between systems, despite spending $21,000 on tech this year. Why it matters: Treat Intuit's numbers as directional rather than exact since Intuit sells the fix, but the underlying pattern holds — buying another AI tool before auditing your current stack's integration gaps just adds another wire to the mess. [Read more →]
KPMG Bets the House on One AI Vendor — KPMG named Anthropic its preferred AI partner and is rolling Claude out to all 276,000 employees firm-wide, with initial focus on tax and private equity work, KPMG says. Why it matters: A single-provider bet at this scale from a Big Four firm tends to trickle down through the software vendors and CPE providers your firm already uses — though it's worth remembering this is KPMG's own announcement, not an independent test of Claude against competitors. [Read more →]
The Ultimate Guide for Usage-Based Pricing for SaaS and AI
Implementing usage-based pricing successfully requires more than just a pricing strategy.
Download this guide for practical advice and best practices when considering usage-based pricing.
💡 QUICK TIP
Next time a vendor pitches you an "AI agent," ask them to name the one task it completes start to finish without you touching it — running a return, reconciling a full account, drafting a complete memo. Most of what's marketed as an "agent" right now is still a chatbot waiting on your next prompt.
⚠️ HEADS UP
AI Spending Muddies R&D Credit Claims: Cherry Bekaert's Martin Karamon and Michael Wronsky warn that AI-related costs don't fit cleanly into federal R&D tax credit categories, since the governing 2004 Treasury regulation predates generative AI entirely. Practitioners are stuck applying old cloud-computing analogies to technology the rule never anticipated — leaving examiners real room to disallow claims built on a vague "we used AI and got something new" narrative. The safer path: get engineering teams documenting which AI outputs they tested, compared, and rejected — a genuine "process of experimentation" story holds up under review; a single AI answer accepted at face value doesn't. If any client is claiming the R&D credit on AI tooling spend this year, have this conversation before their extension deadline, not after. Why it matters: Clients treating AI subscription costs as automatically QRE-qualified without documentation are building a claim that won't survive an exam — the IRS scrutinized cloud-computing claims the same way once cloud costs went mainstream, and AI-heavy credits are the next obvious target. [Read more →]
Deloitte Puts AI Agents on Every Audit: Deloitte deployed a network of AI agents across its Omnia platform for its roughly 85,000 global audit staff, automating data extraction, risk flagging, and first-draft documentation, the firm says. Why it matters: Expect peer reviewers and PCAOB inspectors to start asking smaller firms how they document AI involvement in workpapers within the next few years, even if your firm has no plans to deploy agents itself. [Read more →]
The theme this issue isn't AI capability — it's who's accountable when it's wrong, from the IRS reminding you that's still you, to investigators finding AI-faked invoices in real AP files. Test the tools, don't outsource the judgment.
—Alex
Your competitor's growth lead already saw the spend spike.
While your team is still in standup, the other growth lead already got the alert. Viktor is an AI employee that lives in Slack. It watches your Meta and TikTok spend overnight, flags the underperformer by 7am, and drafts the new brief before your first meeting.
📬 Know an accountant drowning in manual bookkeeping? Forward this.




