Size and growth (fact). McKinsey's Global Payments Report 2025 puts global payments revenue at $2.5T in 2024 (+4% YoY, down from +12% in 2023; 7% CAGR 2019–24), with ~$3.0T expected by 2029 (~4% baseline CAGR, 3–6% range). Cash fell to 46% of global payments (50% in 2023) and digital wallets are ~30% of POS volume [MCK]. Card purchase transactions grew 7.1% in 2025 to 828B [NILSON_CARDS]. No credible public figure isolates the merchant-acquiring revenue pool — treat any 'acquiring TAM' as an estimate.
Adyen's own framing (fact). At its November 2025 Investor Day Adyen guided that underlying market volume growth contributes 'high single digits' to its growth, with share-of-wallet gains the largest building block [ADY_ID25]. That is consistent with the Nilson transaction data above.
Interpretation. For a long-term investor the relevant market is not the $2.5T pool (mostly issuer, lending and float economics) but the processing/acquiring slice where merchants pay for authorisation, risk and settlement — a mid-single-digit volume-growth market in which technology-led players compound share.
| Layer | What it earns | Implication |
|---|---|---|
| Card networks (Visa, Mastercard) | Scheme fees; rails and rules | Very high margins; not Adyen competitors but set the rules and increasingly sell value-added services |
| Issuers (banks) | Interchange — the largest slice of the merchant discount rate | Pass-through for acquirers; regulated in EU (IFR caps) |
| Acquirers / processors | Markup over interchange + scheme; value-added services (risk, FX, tokenisation, financing) | Where Adyen/Stripe/Fiserv/Worldpay compete; thin spread, scale-driven |
| Gateways / orchestration | Per-transaction fees for routing across acquirers | Commoditising; single-platform acquirers bundle it |
| Software platforms (Shopify, Toast, Square) | Payments attached to software — high gross take rates | Own merchant relationship; often run on third-party acquirers (Toast uses Adyen internationally and now in the U.S.) |
| Archetype | Players | Edge | Vulnerability |
|---|---|---|---|
| Modern single-platform acquirers | Adyen, Checkout.com, Stripe | Own licences + one stack; enterprise/digital-first; win on authorisation rates, global reach, unified online/in-store | Price tiering at scale; enterprise multi-sourcing |
| Legacy merchant acquirers | Fiserv (Clover), Global Payments/Worldpay, J.P. Morgan, Elavon | Bank distribution, SMB breadth, huge installed base; GPN+Worldpay = $3.7T volume | Fragmented tech from M&A; share loss in enterprise and e-commerce |
| European incumbents | Worldline, Nexi | Domestic scale via bank JVs; Nexi 50% EBITDA margin | Low growth, impairments, leverage; Worldline in restructuring |
| Wallet + PSP | PayPal (Braintree) | Consumer network; branded checkout; Braintree unbranded volume re-accelerating (~13% Q2'26 [2nd]) | Branded checkout growth +2%; unbranded is low-margin |
| Software-led embedded payments | Shopify, Toast, Block (Square) | Own the merchant workflow; high gross take rates | Depend on underlying acquirers; SMB cyclicality |
Latest reported YoY growth; metrics differ (revenue, organic, TPV, gross profit) — read as direction, not like-for-like.
| Company | Archetype | Growth | Margin | Volume | Take rate | EV/EBITDA | P/E fwd | Differentiator |
|---|
Click a column header to sort. Multiples: stockanalysis.com, 14–16 Sep 2026 (WLN, NEXI prices stale). Stripe revenue/margin are Sacra estimates; Checkout.com self-reported.
Margin definitions differ (EBITDA vs adjusted operating). * private.
Developer-led PSP spanning SMB to enterprise with a wide adjacent suite (Billing, Connect, stablecoin rails via Tempo/Privy). 2025 TPV $1.9T (+34%); $159B tender valuation; revenue ~$6.8B and EBITDA ~$1.2B are Sacra estimates. The main enterprise competitor; architecture comparable to Adyen, but less in-store depth. [STRIPE_LTR; SACRA]
Closest architectural analogue to Adyen in digital enterprise: own acquiring, single stack. 2025 TPV >$300B (+64%), net revenue +30%+, adjusted EBITDA margin >10%; $12B valuation (Sep-25 buyback). Sub-scale and online-only. [CKO_25; CKO_VAL]
$1.79T TPV, $33.2B revenue (FY25); Q2'26 revenue +5%, non-GAAP operating margin 17.4%. Braintree competes directly with Adyen for large unbranded merchants; volume re-accelerated to ~13% in Q2'26 (secondary source). New CEO Enrique Lores; ≥$1.5B savings programme. [PYPL_25; PYPL_Q2]
#1 U.S. acquirer (Nilson, 2025 data); Merchant Solutions $10.1B revenue, 34.5% margin (FY25). Q2'26 organic −5% (Merchant −1%); 2026 guidance cut to −1%–0% organic and EPS $7.20–7.40; Clover growth slowed. [FISV_25; FISV_Q2; FISV_NILSON]
Pure-play merchant acquirer since Worldpay closed and Issuer Solutions sold to FIS (12 Jan 2026): $3.7T volume, >6M locations. Q2'26 normalised cc growth ~4%, 42.0% margin; guide cut to 4–5%. Execution on integration is the story. [GPN_Q2; GPN_DEAL]
SMB seller ecosystem; Q2'26 Square GPV $72.8B (+13%, international +28%), gross profit +13%. Competes with Adyen only at the SMB/platform margin. [XYZ_Q2]
FY25 GMV $378B (+29%); Shopify Payments ~68% GMV penetration (Q2'26). Owns the storefront; payments attach is its monetisation engine. Enterprise merchants on Shopify are a contested pool for Adyen. [SHOP_25; SHOP_Q2]
Restaurant OS: FY25 GPV $195B (+23%), recurring gross profit +33%. An Adyen partner rather than a rival — Adyen processes for Toast internationally since 2021 and in the U.S. from 2026. [TOST_25; ADY_H1_26]
€4.0B revenue (FY25), H1'26 organic −1.3%, adjusted EBITDA margin 17.3%; €4.6B goodwill impairment, €500M capital raise, ~€900M revenue of disposals. A share donor in European merchant acquiring. [WLN_25; WLN_H1]
€3.6B revenue, ~50% EBITDA margin; H1'26 merchant value €423B (+3%), ~23bps take rate (derived). Low-growth cash-return story (~€750M annual excess cash). [NEXI_25; NEXI_H1]
Source: Adyen shareholder letters 2018–2025 (sources/). 2018 volume, 2022–24 take rates and 2023 margin derived.
How Adyen makes money (fact). Adyen charges merchants per transaction (a fixed processing fee plus a percentage markup); its reported net revenue excludes the interchange and scheme fees paid to issuers and networks. H1'26 net revenue €1,302.9M on €803.8B processed volume = 16.2bps take rate; EBITDA €641.5M (49%; 50% ex deal costs). It also earns from value-added products (Uplift risk/optimisation, terminals, Capital, business accounts, card issuing) and net interest income on funds held (€8.6M in H1'26) [ADY_H1_26].
Mix (fact). By pillar H1'26: Digital €719.7M (+15% cc), Unified Commerce €417.7M (+27% cc), Platforms €165.5M (+40% cc). By region: EMEA 55%, North America 27% (+30% cc), APAC 11%, LatAm 7% [ADY_H1_26].
What is unique (interpretation, grounded in company disclosures). (1) One global codebase built in-house — no acquired legacy stacks to integrate; (2) own banking/acquiring licences giving direct scheme access and control of funds (e.g., new UAE licence and direct STET access in France in 2026); (3) data across online, in-store and platforms feeding risk and authorisation models (Dynamic Identification) — Uplift added ~0.9pp average conversion by end-H1'26; (4) land-and-expand with the world's largest enterprises: 300 merchants drive ~60% of growth (down from >70% three years ago) [ADY_H1_26; ADY_ID25].
Where it is weaker (interpretation). Low take rate and price tiering as customers scale; limited SMB distribution vs software-led players; concentration in large enterprise accounts that can multi-source; rising capex (7% of net revenue in 2026 for data centres) and first material M&A integration [ADY_H1_26].
| H1 2026 pillar | Net rev €M | Growth cc | Volume €B | Take rate bps |
|---|---|---|---|---|
| Digital | 719.7 | +15% | 427.9 | 16.8 |
| Unified Commerce | 417.7 | +27% | 240.9 | 17.3 |
| Platforms | 165.5 | +40% | 135.0 | 12.3 |
Multiples (fact, aggregator data 14–16 Sep 2026). Adyen ~22.3x forward P/E and ~13.4x TTM EV/EBITDA; listed peer medians ~8.1x and ~8.4x. Shopify (62x fwd P/E) and Toast (20x) carry software-style premia; Fiserv, Global Payments, Nexi and Worldline trade at 4–7x forward earnings [SA_ADY; SA_SHOP; SA_TOST; SA_FISV; SA_GPN; SA_NEXI; SA_WLN]. Adyen's EV nets ~€12B of cash that includes merchant-related balances, so EV multiples flatter it — forward P/E is the cleaner comparison.
History (secondary). Aggregators show Adyen's EV/EBITDA 5-year average ~40x and 3-year average ~31x vs ~13x today [ADY_MULT_HIST]; methodologies differ — use for direction, not precision.
Deal multiples (fact). Worldpay changed hands at 8.5x EBITDA including synergies and GPN Issuer Solutions at 12.3x [GPN_DEAL] — a reference for mature processing assets. Adyen paid ~12.5x Talon.One's expected end-2026 ARR (€750M / ~€60M, derived) — a software multiple for a growth adjacency [ADY_TALON].
Interpretation. The sector is priced as ex-growth except for software-led names. Adyen's premium to incumbents is justified by 20%+ growth and 50%+ margins; its discount to its own history reflects doubt about how durable 20% growth is against Stripe and tiering, plus the new M&A/capex cycle.
| Debate | Bull evidence | Bear evidence |
|---|---|---|
| Can Adyen sustain ~20% net revenue growth? | Guidance raised to 21–23% cc for 2026 (incl. acquisitions); market volume contributes high-single-digits, share of wallet is the largest driver; H1'26 volume +24% [ADY_H1_26; ADY_ID25]. | Guidance was 'low- to mid-twenties' at Investor Day, then 20–22% in Feb-26 — the organic bar has drifted down; the step-up to 21–23% includes M&A [ADY_ID25; ADY_H2_25]. |
| Is take-rate compression structural? | Take rate recovered to 17.0bps in FY25 on mix; Platforms and value-added products carry higher yields [ADY_HIST]. | 16.2bps in H1'26 'reflecting expected volume tiering' — pricing concessions are built into enterprise growth [ADY_H1_26]. |
| Does Stripe cap Adyen's enterprise share? | Adyen wins on omnichannel/in-store and licences; wins like GOV.UK Pay, Tod's, OpenAI; Toast expanding to U.S. [ADY_H1_26]. | Stripe's $1.9T TPV grows faster (+34%) with a broader software suite and agentic tie-ups [STRIPE_LTR]. |
| Is the M&A pivot value-accretive? | Talon.One/Orb deepen workflows before/after the transaction; +1–2pp growth in 2027; 2028 >55% margin target intact [ADY_TALON]. | Break from build-in-house culture; ~1pp margin dilution; capex to 7% — ROIC on new spend unproven [ADY_H1_26]. |
| Will incumbents fight back on price? | Incumbents are capital-constrained (Worldline rights issue, Fiserv resets) [WLN_25; FISV_Q2]. | GPN/Worldpay at $3.7T volume with $600M cost synergies could price aggressively in enterprise [GPN_DEAL]. |
Adyen figures come from company shareholder letters, Investor Day materials and transcripts in the research folder (sources/). Peer and market figures come from web research on 17 Sep 2026 — issuer IR releases where available; [2nd] items rely on secondary summaries; private-company figures are self-reported or estimates. Growth and margin metrics differ by company (see comps table). Valuation multiples are aggregator data (stockanalysis.com) as of 14–16 Sep 2026; Worldline and Nexi prices were stale and Worldline's share count should be verified post-rights issue. Adyen annual net revenue for 2021–23 is the sum of H1+H2 letters; 2023 EBITDA margin (~46%) and some take rates are derived. This is research, not investment advice.