Companies starting with S
- SaaSOptics
- SadaPay
- Safe Ecosystem Foundation
- SafeGold
- Safello
- SafetyWing
- SafexPay
- Sage Group
- SageSure
- SalaryFinance
- Saldo Apps
- Salt
- Salt lending
- Salto X
- Salv
- SAMA Money
- SAMCO
- Sana Benefits
- Sanctuary Wealth
- S&P Global
- Sango
- SanteVet
- SAP Ariba
- Sapiens
- Saraf
- Sardine
- Sarwa
- SASA Markets
- Satispay
- Sats
- SaveIN
- Savi Moni
- Sayari
- Scalable Capital
- Scalapay
- Scandit
- Scapia
- Scorechain
- Scripbox
- SecureNow
- Securitize
- SecurityScorecard
- Securrency
- SeedBlink
- Seedinvest
- SeedLegals
- Seedly
- Seedrs
- Seekewa
- Seeking Alpha
- Segovia
- Selcom
- Self
- Sendwave
- Sensei
- SenseTime
- Sensibull
- Sentieo
- SentiLink
- Seon
- SerenityAI
- Serrala
- Settle
- SettleMate
- SETU
- Sezzle
- SGX
- Shakepay
- ShapeShift
- Sharegain
- Shares
- Shield
- Shieldpay
- Shift Technology
- Shine
- Shipyard Software
- ShopSe
- Shufti Pro
- Shyft Network
- Sidetrade
- Sift
- Sightline Payments
- Sigma Ratings
- Signdesk
- Signicat
- Signifyd
- Signzy
- Sigo Insurance
- Sikoia
- Sila
- Silent Eight
- Silvr
- Simility
- Simpl
- Simple
- SimpleNexus
- SimpleTuition
- Simplex
- Singlife
- Skeps
- Skilling
- SkorLife
- Skrill
- SkyWatch
- slice
- Smallcase
- Small World FS
- Smart
- SmartAsset
- SmartCoin
- Smartel Money
- Smartkarma
- Smart Systems
- SMArtX
- smava
- Snap Finance
- Snapmint
- Snoop
- Socotra
- Socure
- Sodexo
- SoFi
- Soft Space
- Software Group
- Solactive
- Solera
- Solidatus
- Solidus Labs
- SoLo
- Solo Technologies
- SolusPay
- Solvo
- Sonect
- Sonovate
- Sourceday
- SourceScrub
- Sovos Compliance
- Space Id
- Spark Systems
- Spendesk
- SpendMend
- Spenmo
- Spice Money
- Spiir
- Spiking
- Spirit of Satoshi
- Splash Financial
- Splitit
- Splitwise
- Spotter
- Spriggy
- SpringCM
- Spring IM
- Sprout
- Sproutt
- SpyCloud
- Sqoin
- SQREEM
- SquareTrade
- SRAX
- SS&C
- Stablecomp
- Stably
- Stader
- Stake
- Stake
- Staked
- Stampli
- Standard
- Standard Metrics
- Starling Bank
- Stash
- StashAway
- Stashfin
- State Street
- Stavvy
- stc pay
- StealthEX
- SteelEye
- Stellar
- Step
- Stessa
- Stilt
- Stitch
- Stockbit
- StockEdge
- StockGro
- Stockpile
- StockTwits
- STOKR
- Stone
- StoreKing
- Stori
- STPGIG
- Strata
- Stratyfy
- Stride Funding
- Stride Health
- StrideOne
- Strikepay