{ "sym": "Bk", "updated": "2026-08-06", "verdict": "Mercury, and it isn't close for a newly incorporated startup \u2014 300K+ customers, a claimed one in three U.S. startups, $650M annualized revenue with four straight years of GAAP profitability, a $5.2B Series D (May 2026), and conditional OCC approval (Apr 2026) to become an actual chartered bank. Open it the week you incorporate; the free tier covers everything that matters. Ramp is the pick once you have a team spending money \u2014 its card-plus-automation stack (now a $44B company) closes your books, not just your account. Brex wins for enterprise scale and global entities, now with Capital One's balance sheet behind it. Relay wins for solopreneurs and profit-first SMBs; Rho when you want high-touch service and maximum yield with outsized FDIC sweep coverage.", "top5": [ { "rank": 1, "name": "Mercury", "maker": "Mercury (Choice Financial Group & Column N.A., Members FDIC; Mercury Bank, N.A. pending)", "url": "https://mercury.com", "docs": "https://docs.mercury.com", "pricing": "Free \u00b7 Plus $29.90/mo \u00b7 Pro $299/mo (\u224820% off annual) \u00b7 Treasury needs $250K+ balance", "best_for": "The default operating account for a venture-track startup, from the week of incorporation \u2014 banking, cards, bill pay, invoicing, and now an AI assistant, on a free tier that never nags.", "why": "The category's compounding winner: 300K+ customers (Feb 2026, +50% YoY), $248B in 2025 transaction volume, $650M annualized revenue, NPS 73.8 against a banking-industry average of 34 \u2014 while staying GAAP-profitable four years running. The $5.2B TCV-led Series D (May 20, 2026) and conditional OCC charter approval (Apr 2026) mean it's graduating from fintech-on-partner-banks to a regulated national bank. Mercury Command (Jun 16, 2026) turns natural language into executed banking tasks, review-gated, for every customer free.", "watch": "Until Mercury Bank, N.A. clears FDIC and Fed approvals, your money still lives at partner banks via sweep (the structure that burned Synapse-era fintech customers, though Mercury's Choice/Column setup weathered 2024 fine). Abruptly cut off customers in Ukraine, Nigeria and other countries in Jul 2024 \u2014 geographic risk-appetite can change under you. No native payroll; Treasury yield gated at $250K.", "evidence": [ { "stat": "$200M Series D at $5.2B valuation, led by TCV (May 20, 2026); conditional OCC national-bank-charter approval Apr 2026", "src": "https://mercury.com/blog/series-d-announcement" }, { "stat": "300K+ customers (+50% YoY), $248B 2025 transaction volume, $650M annualized revenue (Sep 2025), NPS 73.8", "src": "https://mercury.com/blog/annual-letter-2025" }, { "stat": "Up to $5M FDIC insurance via Choice/Column sweep networks across up to 20 banks; 97%+ of deposits insured (Aug 2026)", "src": "https://mercury.com/vault" } ], "tile_note": "the startup standard" }, { "rank": 2, "name": "Ramp", "maker": "Ramp (banking via First Internet Bank of Indiana, Member FDIC)", "url": "https://ramp.com", "docs": "https://docs.ramp.com", "pricing": "Free (cards + treasury + expense) \u00b7 Plus $15/user/mo + platform fee \u00b7 Enterprise custom", "best_for": "The finance OS once you have employees who spend \u2014 corporate cards, bill pay, procurement, treasury, and AI agents that do the expense-review work themselves.", "why": "The valuation race's runaway winner: $750M at $44B (Jun 2026) on ~$1.5B annualized revenue (May 2026) and 70,000+ businesses \u2014 while archrival Brex sold for $5.15B. Its AI agents are the category's most deployed: 99%-accuracy expense approvals and 85% of AP fields auto-coded on first pass. Ramp Treasury (launched Jan 2025) passed $1.5B AUM, making the card company a credible home for operating cash too.", "watch": "Not a bank account replacement day one \u2014 you still want a primary checking account elsewhere; Treasury is a business/investment account layered on First Internet Bank. Plus-tier platform fees scale with team size and are quoted, not listed. Fifteen months from $13B to $44B is priced-for-perfection territory.", "evidence": [ { "stat": "$750M raised at $44B post-money (Jun 2026, ICONIQ/GIC/Ontario Teachers'); $1.50B annualized revenue (May 2026); 70,000+ businesses", "src": "https://sacra.com/c/ramp/" }, { "stat": "Valuation march: $13B (Mar 2025) \u2192 $16B (Jun 2025) \u2192 $22.5B (Jul 2025) \u2192 $32B (Nov 2025) \u2192 $44B (Jun 2026)", "src": "https://en.wikipedia.org/wiki/Ramp_(company)" }, { "stat": "AI agents: 99% accuracy on expense approvals, 85% of AP accounting fields correct first-pass; Treasury >$1.5B AUM (2026)", "src": "https://sacra.com/c/ramp/" } ], "tile_note": "cards + ai spend control" }, { "rank": 3, "name": "Brex", "maker": "Brex, a Capital One company (acquired Apr 2026)", "url": "https://www.brex.com", "docs": "https://developer.brex.com", "pricing": "Essentials free \u00b7 Premium $12/user/mo \u00b7 Enterprise custom \u00b7 Smart Card custom", "best_for": "Venture-backed companies heading to enterprise scale \u2014 global cards in 50+ local currencies, multi-entity, high credit limits, and now a top-10 US bank behind it.", "why": "Still the strongest enterprise stack in startup finance: $700M annualized revenue (Aug 2025, +50% YoY), 130%+ enterprise net revenue retention, business accounts yielding up to 4.36% with up to $6M program-bank FDIC coverage, and 71% of expenses handled entirely by automation. The $5.15B Capital One acquisition (closed Apr 7, 2026) swaps unicorn burn risk for a regulated balance sheet and distribution.", "watch": "Sold for $5.15B against a $12.3B 2021 peak \u2014 the race with Ramp was lost, and big-bank integration risk is now the story. Abandoned SMBs once before (the 2022 offboarding); early-stage founders should remember who the roadmap serves. Capital One ownership isn't even mentioned on brex.com yet \u2014 brand and product continuity signals are still settling.", "evidence": [ { "stat": "Capital One acquired Brex for $5.15B, ~half cash/half stock, closed Apr 7, 2026", "src": "https://en.wikipedia.org/wiki/Brex" }, { "stat": "$700M annualized revenue, +50% YoY (Aug 2025); operating-cash-flow positive Oct 2025; enterprise NRR >130%", "src": "https://sacra.com/c/brex/" }, { "stat": "Up to 4.36% yield, up to $6M additional FDIC via program banks, 71% of expenses fully automated (site claims, Aug 2026)", "src": "https://www.brex.com" } ], "tile_note": "enterprise, capital one-backed" }, { "rank": 4, "name": "Rho", "maker": "Rho (banking via Webster Bank, N.A., Member FDIC)", "url": "https://www.rho.co", "docs": "https://www.rho.co/help-center", "pricing": "Free platform \u2014 no per-seat or subscription fees; revenue from interchange and float", "best_for": "Startups that want a human on the line \u2014 banking, cards, treasury, expense, and automated month-end close in one free platform with sub-minute support.", "why": "The high-touch counterweight to Mercury's self-serve: checking plus corporate cards plus AP with AI invoice scanning plus 'Rho Close' automated accounting, all with no platform fees. Treasury pays up to 4.58% (Aug 2026) and savings carry up to $75M in FDIC sweep coverage via American Deposit Management \u2014 the largest headline coverage number in the category. Webster Bank ($85.5B assets) partnership is sturdier than the small sponsor banks most neobanks ride on.", "watch": "Private and quiet on customer counts and revenue \u2014 the growth story is asserted, not disclosed, and no 2025-26 funding round is public. Free-platform economics depend on float and interchange; feature pace trails Ramp on spend automation depth.", "evidence": [ { "stat": "Treasury up to 4.58% and up to $75M FDIC insurance on savings via sweep (site, Aug 2026)", "src": "https://www.rho.co" }, { "stat": "Checking/cards via Webster Bank, N.A. ($85.5B assets); savings via American Deposit Management; $0 ACH fees, no seat fees", "src": "https://www.rho.co" } ], "tile_note": "high-touch, max yield" }, { "rank": 5, "name": "Relay", "maker": "Relay Financial (banking via Thread Bank, Member FDIC)", "url": "https://relayfi.com", "docs": "https://support.relayfi.com", "pricing": "Starter free \u00b7 Grow $30/mo \u00b7 Scale $90/mo (promo; list $120) \u00b7 APY 1.11\u20133.00% by tier (5/1/2026)", "best_for": "Solopreneurs and profit-first small businesses that run money through many sub-accounts \u2014 20 checking accounts, per-account cards, and Profit First budgeting built in.", "why": "The small-business operator's pick: 110,000+ businesses and $1B+ in managed deposits, with up to $3M FDIC coverage through Thread Bank's sweep program and AI cash-flow forecasting on the Scale tier. Consolidating the category from below \u2014 northone.com now redirects to Relay, folding North One's SMB base in \u2014 while Mercury and Ramp chase upmarket.", "watch": "Not built for the venture-track startup: no treasury product, tier-gated APY tops out at 3.00%, and Thread Bank is a small sponsor institution. The North One absorption's terms and migration plan are undisclosed. Scale pricing is a limited-time discount that may snap back to $120.", "evidence": [ { "stat": "110,000+ businesses served, $1B+ managed customer deposits (site, Aug 2026)", "src": "https://relayfi.com/" }, { "stat": "Up to $3M FDIC via Thread Bank sweep; APY 1.11%/1.75%/3.00% by tier (rates as of 5/1/2026)", "src": "https://relayfi.com/pricing" } ], "tile_note": "smb sub-account banking" } ], "matrix": { "cols": [ "Monthly cost", "FDIC sweep coverage", "Yield on idle cash", "Cards + spend mgmt", "AI features", "Bank behind it", "Best stage" ], "rows": [ [ "Mercury", "Free \u00b7 $29.90 \u00b7 $299", "Up to $5M", "Treasury to 3.83% ($250K min)", "IO cards \u00b7 bill pay \u00b7 invoicing", "Command agent (Jun 2026)", "Choice + Column (own charter pending)", "Incorporation \u2192 growth" ], [ "Ramp", "Free \u00b7 $15/user + fee", "Via First Internet Bank", "Treasury (variable)", "Best-in-class cards + procurement", "Approval/AP agents, 99% claim", "First Internet Bank", "First hires \u2192 enterprise" ], [ "Brex", "Free \u00b7 $12/user", "Up to $6M (program banks)", "Up to 4.36%", "Global cards, 50+ currencies", "AI expense assistant, 71% auto", "Capital One (owner) + partners", "Series B \u2192 enterprise" ], [ "Rho", "Free (no seats)", "Up to $75M (savings)", "Up to 4.58%", "Cards to 2% + AP + Close", "AI invoice scan, auto close", "Webster Bank ($85.5B assets)", "Seed \u2192 multi-entity" ], [ "Relay", "Free \u00b7 $30 \u00b7 $90", "Up to $3M", "1.11\u20133.00% by tier", "Per-account cards, AP", "Cash-flow forecasts (Scale)", "Thread Bank", "Solopreneur \u2192 SMB" ], [ "Novo", "Free", "$250K", "\u2014", "Debit + charge card", "Claude/OpenAI/Gemini assist", "Middlesex Federal", "Freelancer \u2192 micro-SMB" ], [ "Slash", "Free \u00b7 Pro $25/mo", "Very high (IntraFi, 800 banks)", "Up to 3.86%", "Cards to 2%, 5M+ virtual issued", "Limited", "Column N.A.", "Ecom/agencies/crypto" ], [ "SVB (First Citizens)", "Free (GO platform)", "Standard + sweeps", "Treasury mgmt", "Cards + venture debt", "Limited", "First Citizens ($236B assets)", "Funded, wants a lender" ] ] }, "rules": [ { "if": "You incorporated this month and need an operating account before revenue", "then": "Mercury free tier, same week \u2014 it's the '1 in 3 startups' default, $0/mo covers banking, cards, and invoicing, and Command now does the busywork by chat." }, { "if": "You have employees spending money and a monthly close that hurts", "then": "Add Ramp on the free tier \u2014 its approval and AP agents (99%-accuracy claim) automate what Mercury doesn't, and the two coexist cleanly: Mercury holds the money, Ramp controls the spend." }, { "if": "You're multi-entity, international, or enterprise-bound with heavy card spend", "then": "Brex \u2014 local-currency issuance in 50+ countries and 30x credit limits, with the caveat that you're betting on Capital One keeping the product ambitious." }, { "if": "You're parking a large raise and want yield plus insured coverage without a laddering project", "then": "Rho (4.58% treasury, up to $75M FDIC on savings) or Mercury Treasury ($250K min) \u2014 and diversify across two providers anyway; that's the durable SVB lesson." }, { "if": "You'll want venture debt or a lender who knows your cap table", "then": "Open a secondary account at SVB (First Citizens) \u2014 it still banks half the 2026 Forbes Fintech 50 and neobanks don't do relationship lending." } ], "field": [ { "name": "Novo", "maker": "Novo (via Middlesex Federal Savings)", "note": "250K+ independent businesses, free, AI onboarding/categorization 'powered by Claude, OpenAI, and Gemini' \u2014 but $250K FDIC and no yield caps it at micro-SMB", "url": "https://www.novo.co", "oss": false, "entry": "free", "status": "active" }, { "name": "Slash", "maker": "Slash (via Column N.A.)", "note": "$1.4B Series C, 10K+ businesses, $35B+ yearly volume, IntraFi 800-bank sweep; strong in ecommerce, agencies, and crypto flows", "url": "https://www.slash.com", "oss": false, "entry": "free \u00b7 Pro $25/mo", "status": "active" }, { "name": "Meow", "maker": "Meow (via Cross River & Grasshopper Bank)", "note": "Treasury-first banking now courting AI agents as customers \u2014 T-bills/gilts/bunds, commercial paper to 3.81% ($100K min), 2.5% cashback on AI spend, USDC/USDT rails", "url": "https://www.meow.com", "oss": false, "entry": "free", "status": "active" }, { "name": "SVB (First Citizens)", "maker": "First Citizens Bank", "note": "The name that defined (and detonated) startup banking \u2014 now a division of $236B-asset First Citizens; still banks 50% of the 2026 Forbes Fintech 50 and remains the venture-debt relationship play", "url": "https://www.svb.com", "oss": false, "entry": "free (GO platform)", "status": "acquired" }, { "name": "Bluevine", "maker": "Bluevine (via Coastal Community Bank)", "note": "1M+ businesses, $3M FDIC sweep, up to 3.0% APY on paid tiers; lending-led, mainstream-SMB rather than startup DNA", "url": "https://www.bluevine.com", "oss": false, "entry": "free \u00b7 paid tiers", "status": "active" }, { "name": "Grasshopper Bank", "maker": "Grasshopper (chartered bank)", "note": "An actual FDIC-member digital bank for startups and VC/PE \u2014 Accelerator checking to 3% APY, treasury targeting 5%+; also the BaaS engine under Meow", "url": "https://www.grasshopper.bank", "oss": false, "entry": "free", "status": "active" }, { "name": "Found", "maker": "Found (via Lead Bank)", "note": "750K+ sole proprietors; banking fused with bookkeeping and Schedule-C tax autopilot, plus AI 'Found Assistant' (beta) \u2014 freelancer-shaped, not startup-shaped", "url": "https://found.com", "oss": false, "entry": "free \u00b7 Plus $35/mo \u00b7 Pro $80/mo", "status": "active" }, { "name": "Arc", "maker": "Arc \u2192 Axos", "note": "Startup treasury/cash-management platform ('intelligent cash management for technology companies') \u2014 site now banners 'Arc is joining Axos'; terms and timeline undisclosed", "url": "https://www.joinarc.com", "oss": false, "entry": "\u2014", "status": "acquired" }, { "name": "North One", "maker": "North One \u2192 Relay", "note": "SMB neobank whose domain now 302-redirects to relayfi.com \u2014 absorbed into Relay in 2026; migration terms undisclosed", "url": "https://www.northone.com", "oss": false, "entry": "\u2014", "status": "acquired" }, { "name": "Highbeam", "maker": "Highbeam", "note": "Was 'banking for ecommerce brands'; site now pitches a beta financing-comparison marketplace \u2014 the banking product appears shelved", "url": "https://www.highbeam.co", "oss": false, "entry": "beta", "status": "fading" }, { "name": "Mercury Personal", "maker": "Mercury", "note": "Founder-side personal banking (Dec 2025, now open to all): 3.25% APY savings, trust accounts, free USD wires \u2014 keeps the founder's whole balance sheet in one app", "url": "https://mercury.com/personal", "oss": false, "entry": "subscription", "status": "active" }, { "name": "Azlo", "maker": "BBVA", "note": "The cautionary tale: BBVA's free SMB neobank, shut down 2021 when the sponsor lost interest \u2014 the argument for picking platforms with their own momentum (or charter)", "url": "https://en.wikipedia.org/wiki/Azlo", "oss": false, "entry": "\u2014", "status": "dead" }, { "name": "Wise Business", "maker": "Wise", "note": "Multi-currency account for cross-border operations \u2014 the standard add-on when Mercury/Brex FX coverage isn't enough, not a primary US operating account", "url": "https://wise.com/us/business/", "oss": false, "entry": "one-time setup fee", "status": "active" }, { "name": "Airwallex", "maker": "Airwallex", "note": "Global business accounts + FX + issuing; the APAC-strong alternative for internationally distributed startups", "url": "https://www.airwallex.com", "oss": false, "entry": "free tier", "status": "active" }, { "name": "Column N.A.", "maker": "Column", "note": "The developer-infrastructure bank (Plaid founder-owned) quietly underneath Mercury, Slash, Brex's stablecoin rails and much of the category \u2014 infrastructure, not a founder-facing account", "url": "https://column.com", "oss": false, "entry": "n/a (infra)", "status": "active" }, { "name": "Stripe Treasury", "maker": "Stripe", "note": "Embedded banking-as-a-service for platforms building accounts into their own product \u2014 belongs to element Pa \u00b7 Payments territory; not a startup's own bank account", "url": "https://stripe.com/treasury", "oss": false, "entry": "usage-based", "status": "active" } ], "signals": [ { "fact": "The Brex-vs-Ramp valuation race resolved in 2026: Capital One bought Brex for $5.15B (closed Apr 7, 2026, vs $12.3B 2021 peak) while Ramp raised at $44B (Jun 2026) on $1.5B annualized revenue", "src": "https://en.wikipedia.org/wiki/Brex" }, { "fact": "Mercury: $200M Series D at $5.2B (May 20, 2026, TCV-led), $650M annualized revenue, 300K+ customers, $248B 2025 volume \u2014 and conditional OCC approval (Apr 2026) for Mercury Bank, N.A., the clearest sign neobanks are becoming banks", "src": "https://mercury.com/blog/series-d-announcement" }, { "fact": "Post-SVB deposit architecture is now standard: multi-bank FDIC sweeps advertising $3M (Relay/Bluevine), $5M (Mercury), $6M (Brex), up to $75M (Rho), and IntraFi 800-bank networks (Slash) \u2014 single-bank $250K coverage is a competitive liability", "src": "https://mercury.com/vault" }, { "fact": "2026 consolidation wave in startup banking: Brex \u2192 Capital One (Apr 2026), Arc \u2192 Axos, North One \u2192 Relay; SVB continues as a First Citizens division still banking 50% of the 2026 Forbes Fintech 50", "src": "https://www.svb.com" }, { "fact": "AI moved from back-office to the account itself in 2026: Mercury Command executes banking tasks from natural language (Jun 16, 2026), Ramp claims 99%-accuracy AI expense approvals, Brex claims 71% of expenses fully automated, and Meow markets accounts to AI agents as customers", "src": "https://mercury.com/blog/introducing-mercury-command" }, { "fact": "Mercury's customer mix inverted: 73% of 2025 new customers came from outside AI/tech (ecommerce alone 21%) \u2014 'startup banking' is outgrowing startups", "src": "https://mercury.com/blog/annual-letter-2025" } ], "notes": "Ranking criteria: fit for a venture-track startup from incorporation onward (onboarding speed, free-tier depth, FDIC sweep coverage, yield, spend tooling, AI leverage), platform durability (profitability, charter/owner), and verified traction \u2014 editorial only, no affiliate consideration. Conflicts resolved: Brex acquisition terms \u2014 Sacra says $2.75B cash + ~10.6M shares, Wikipedia says 'equal parts cash and stock'; both agree on $5.15B total and Apr 2026 close, so we cite the total. Mercury's '1 in 3 US startups' is a vendor claim (repeated in the Series D post), not independently audited. Rho's $75M FDIC and Brex's 71%-automation figures are vendor site claims without third-party verification. Ramp/Brex/Mercury revenue figures come from Sacra (aggregator) \u2014 directionally corroborated by Wikipedia and vendor posts but not audited financials. North One \u2192 Relay and Arc \u2192 Axos are evidenced by live site redirects/banners; deal terms were not verifiable. Category boundary: card-led spend management for non-startups and SaaS-spend visibility belong to Sp \u00b7 Spend Management; bookkeeping/close tools (Digits, Pilot, Puzzle) to Ac \u00b7 Accounting; revenue collection (Stripe) to Pa \u00b7 Payments; venture debt and fundraising to Cp \u00b7 Capital. Brex and Ramp earn Bk entries because their business accounts + treasury now function as operating-cash homes, not just card programs.", "sources": [ "https://mercury.com/blog/series-d-announcement", "https://mercury.com/blog/annual-letter-2025", "https://mercury.com/blog/occ-national-bank-charter-application", "https://mercury.com/blog/introducing-mercury-command", "https://mercury.com/vault", "https://mercury.com/pricing", "https://sacra.com/c/mercury/", "https://sacra.com/c/ramp/", "https://sacra.com/c/brex/", "https://en.wikipedia.org/wiki/Ramp_(company)", "https://en.wikipedia.org/wiki/Brex", "https://www.ramp.com/pricing", "https://www.brex.com/pricing", "https://relayfi.com/pricing", "https://www.rho.co", "https://www.slash.com", "https://www.meow.com", "https://www.novo.co", "https://www.bluevine.com", "https://found.com", "https://www.grasshopper.bank", "https://www.svb.com", "https://www.joinarc.com/", "https://techcrunch.com/2025/03/26/fintech-mercury-lands-300m-in-sequoia-led-series-c-doubles-valuation-to-3-5b/" ], "element": { "number": 39, "name": "Banking", "group": "Back-office", "essential": true, "edition": "v2026.Q3", "revision": "r7", "license": "CC BY 4.0 \u2014 cite elems.ai", "url": "https://elems.ai/e/bk.html" } }