Gulf Management Systems
Gulf Management Systems is a Clearwater, Florida-based payment processor and billing software provider founded in 1992, serving small and medium-sized businesses across fitness, non-profit, retail, restaurant, and e-commerce verticals with ACH processing, card acceptance, POS systems, and vertical software such as RhinoFit.
- Company typePrivate
- Founded1992
- HeadquartersClearwater, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Gulf Management Systems does
Gulf Management Systems (GMS) is a privately held payment processing and billing software provider founded in 1992 and headquartered in Clearwater, Florida. The company targets small and medium-sized businesses across multiple verticals — most prominently fitness/gyms, non-profits, retail, restaurants, e-commerce, and professional services — offering credit card processing, ACH/eCheck payments, direct deposit, subscription billing, point-of-sale systems, mobile card readers, PCI compliance support, and vertical software products including RhinoFit (gym management) and Rhino Nonprofit (donor management).
The core technology platform centers on an ACH Payment Gateway with tokenization, check verification, account validation, and transaction velocity limiters, exposed both as a merchant-facing client portal and as a developer-facing GMS API. The gateway is integrated with major e-commerce and processing partners including Authorize.net, NMI, WooCommerce, BigCommerce, Payroc, TSYS, Magento, and SlimCD. An AI-based anomaly detection layer supports fraud monitoring. GMS monetizes through transaction-based processing fees (ACH from $0.50 per transaction), recurring software subscriptions (billing, RhinoFit, Rhino Nonprofit), and hardware sales (POS terminals, mobile readers), with a go-to-market built on a consultative direct sales motion ('The GMS Way'), free statement reviews as a lead generation tool, and a nonprofit referral program (Donor Boo$t).
Gulf Management Systems firmographics
Firmographics- Name
- Gulf Management Systems
- Legal name
- Gulf Management Systems, Inc.
- Website
- https://gulfmanagementsystems.com
- Company type
- Private
- Founded year
- 1992
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Gulf Management Systems is a Clearwater, Florida-based payment processor and billing software provider founded in 1992, serving small and medium-sized businesses across fitness, non-profit, retail, restaurant, and e-commerce verticals with ACH processing, card acceptance, POS systems, and vertical software such as RhinoFit.
- Ownership category
- akta.pro rank
Gulf Management Systems industry classification
Industry- Product category
- Payment Processing Services
- NAICS
- Financial Transactions Processing, Reserve, and Clearinghouse Activities (522320), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518), Computer Systems Design and Related Services (54151)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370)
- akta.pro primary industry
- Integrated Payment Processors (PSP/Acquirer) (FSAMABAA)
- akta.pro secondary industry
- Integrated POS Payments (ISVs & Vertical POS Platforms) (FSAMADAD)
Keywords
Where Gulf Management Systems is headquartered
LocationHeadquarters
- HQ city
- Clearwater
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Gulf Management Systems business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure, Others
Revenue model
- Payment Processing Fees: Transaction-based fees charged on credit card and ACH payments processed through their platform. ACH transactions starting at $0.50 per transaction with potential 75% cost reduction compared to credit card fees.
- Subscription Billing Software: Monthly billing software for managing recurring subscriptions, particularly for gyms and membership-based businesses
- Gym Management Software (RhinoFit): Specialized gym management software offered in partnership, likely with recurring subscription model
- POS Systems and Hardware: Sale of point-of-sale terminal equipment and mobile card readers for accepting payments in retail and on-the-go
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Transaction based/ take rate | Pay-as-you-go | ACH Transaction Processing |
| Transaction based/ take rate | Pay-as-you-go | Credit Card Processing |
| Freemium | One time/ perpetual license | Statement Review Service |
Go-to-market motion2 records
Distribution channels5 records
Marketing channels5 records
Gulf Management Systems product offering
Product offeringCore offering
Gulf Management Systems provides payment management solutions for small to medium-sized businesses, enabling acceptance and processing of credit card, ACH, eCheck, and direct deposit transactions. The company combines a payment processing platform with industry-specific software (gym, nonprofit, billing, payroll), POS hardware, mobile card readers, and consulting services to deliver end-to-end payment management to SMBs across verticals.
Product overview
Gulf Management Systems (GMS) offers a unified payment management platform designed for small to medium-sized businesses, encompassing payment processing, billing, and business management solutions. The core product is the Payment Management Systems platform, which is complemented by specialized sub-products including: ACH Payment Gateway and ACH Payments for bank-to-bank transfers; Merchant Services with Virtual Terminal, POS Systems, and Android/iOS Credit Card Readers for accepting credit card payments; Subscription Billing, DirectDeposit, Payroll Software, and GMS eCheck for recurring payment automation; and industry-specific solutions including Gym Management Software (RhinoFit), NonProfit Software (Rhino Nonprofit), and Billing Software. Additional services include PCI Compliance support, Donor Boo$t referral program, and Free Statement Review. Integration partnerships with Authorize.net, WooCommerce, NMI, Payroc, BigCommerce, TSYS, Magento, and SlimCD enable connectivity across ecommerce and payment platforms.
Differentiator
Problem solved
Functional benefit
Brands
- RhinoFit: Gym management software platform for fitness businesses
- Donor Boo$t
- GMS eCheck
Products and services
- Payment Management Systems Comprehensive platform for businesses to manage billing and payment processing, including payment portals, billing software, POS systems, direct deposit, and management software, designed for any business type.
- ACH Payment Gateway API-enabled gateway for processing ACH and eCheck payments in real time with tokenization, check verification, and built-in ACH reporting with response codes, designed for software developers and merchants.
- ACH Payments
- Android/iOS Mobile Card Reader
- Merchant Services
- Subscription Billing Software
- DirectDeposit
- GMS eCheck
- Virtual Terminal
- POS (Point-of-Sale) Systems
- Billing Software
- Gym Management Software (RhinoFit)
- NonProfit Software (Rhino Nonprofit)
- Payroll Software
- PCI Compliance Services
- Donor Boo$t
- Free Statement Review
Quantifiable outcome
- Reduce payment processing costs by up to 75%
- +4 more outcomes
Companies that use Gulf Management Systems
Customer profileNamed customers10 records
Segments6 records
Ideal customer profiles6 records
Gulf Management Systems technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration8 records
AI capability1 record
Feature5 records
Gulf Management Systems partnerships and signals
Strategic signalPartnerships
Ten partnerships are on record, tiered core and major.
- Authorize.netcorePayment gateway integration partner enabling e-commerce businesses to accept credit card payments through their websites. GMS connects businesses with Authorize.net for secure online transaction processing.
- NMI (Network Merchants Inc.)corePayment gateway integration providing connection to payment networks for processing credit card and ACH transactions. Part of GMS's standard integration offerings.
- WooCommercecoreWordPress e-commerce plugin integration allowing online businesses to accept payments through their WooCommerce-powered websites with GMS payment processing.
- PayrocmajorPayment gateway partner providing additional processing capabilities and rate options for merchants through the Payroc network.
- TSYSmajorPayment platform partner for credit card processing, providing the underlying infrastructure for transaction authorization and settlement.
- Big CommercemajorE-commerce platform integration allowing Big Commerce merchants to connect their online stores with GMS payment processing solutions.
- MagentomajorEnterprise e-commerce platform integration for Magento-powered websites to accept payments through GMS processing.
- RhinoFitcoreGym management software partner reselling RhinoFit platform to fitness businesses. Provides specialized software for gyms, martial arts studios, and fitness facilities with integrated payment processing.
- SlimCDmajorGateway partnership allowing SlimCD users to process ACH transactions through GMS. Businesses using SlimCD for credit card processing can now add GMS as their ACH payment processor.
- Rhino Nonprofit SoftwaremajorNonprofit management software partner providing donor management and fundraising tools for charitable organizations, integrated with GMS payment processing.
Scale indicators5 records
Recent moves6 records
Expansion highlights5 records
Gulf Management Systems competitors and assessment
Company assessmentDirect peers
- Toast: Toast's restaurant-vertical POS plus payments bundle directly competes with GMS's restaurants/quick-service segment and demonstrates the vertical-software-plus-payments model GMS is pursuing more broadly.
- Payment Depot: Payment Depot is an ISO/merchant-services competitor targeting SMBs with interchange-plus and subscription-style pricing, closely mirroring GMS's cost-focused merchant-acquiring model.
- Stax (Fattmerchant): Stax's subscription-based payment processing competes with GMS's transparent/transact pricing narrative and targets the same cost-sensitive SMB merchant segment with bundled software.
- Clover (Fiserv): Clover's SMB-focused POS and payments platform, distributed through ISOs, competes head-to-head with GMS's POS terminal offering and merchant-services model in the same verticals.
- Dharma Merchant Services: Dharma is a direct SMB-focused merchant-acquiring competitor with similar transparent, interchange-plus pricing and verticals exposure, including nonprofits — a near-comparable peer to GMS in model and customer.
- Mindbody (ClassPass Business): Mindbody's gym/fitness vertical software with embedded payments competes directly with RhinoFit — GMS's gym-management subsidiary — and represents the strategic endpoint of GMS's vertical-SaaS-plus-payments thesis.
- Square (Block): Square's payment-processing and POS products for SMBs (Square Seller, Square Reader, Square for Restaurants/Retail) compete most directly with GMS's core merchant-acquiring, POS, and vertical-bundled offerings.
Broad incumbents
- Stripe: Stripe's Stripe Terminal (POS) and online payment APIs directly overlap with GMS's payment gateway integrations and e-commerce platform partnerships (WooCommerce, BigCommerce, Magento).
- Authorize.Net (Visa): Authorize.Net is both a GMS integration partner and a broader payment-gateway incumbent; its direct merchant-onboarding and gateway services partially overlap with the gateway functionality GMS wraps with ISO services.
- Heartland Payment Systems (Global Payments): Heartland, now part of Global Payments, is a broader SMB and enterprise merchant-acquiring incumbent that competes with GMS on price, gateway integrations, and POS hardware distribution across overlapping verticals.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
Gulf Management Systems social profiles
Digital presenceGulf Management Systems financial estimates
Financial estimateRevenue estimate
Valuation estimate
Gulf Management Systems leadership team
Management profileNumber of profiles
Gulf Management Systems subsidiaries and ownership
Company hierarchySubsidiaries2 records
Gulf Management Systems funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Gulf Management Systems M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Gulf Management Systems
What does Gulf Management Systems do?
Gulf Management Systems provides payment management solutions for small to medium-sized businesses, enabling acceptance and processing of credit card, ACH, eCheck, and direct deposit transactions. The company combines a payment processing platform with industry-specific software (gym, nonprofit, billing, payroll), POS hardware, mobile card readers, and consulting services to deliver end-to-end payment management to SMBs across verticals.
Is Gulf Management Systems a public or private company?
Gulf Management Systems is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Gulf Management Systems founded?
Gulf Management Systems was founded in 1992. It employs 11 to 50 people.
Where is Gulf Management Systems based?
Gulf Management Systems is headquartered in Clearwater, United States, in the North America region.
How does Gulf Management Systems make money?
Four revenue lines are on record. Payment Processing Fees are the primary driver. The others are subscription Billing Software, gym Management Software (RhinoFit) and POS Systems and Hardware.
Who are Gulf Management Systems's main competitors?
Direct peers on record are Toast, Payment Depot, Stax (Fattmerchant), Clover (Fiserv), Dharma Merchant Services, Mindbody (ClassPass Business) and Square (Block). Broad incumbents are Stripe, Authorize.Net (Visa) and Heartland Payment Systems (Global Payments).
Does Gulf Management Systems have an API?
Yes. GMS API enables software developers to seamlessly integrate the payment platform into existing software. The API allows processing of ACH and Check 21 (remote deposit capture) payments in real time. The ACH gateway supports tokenization and check verification to validate banking information upfront, with built-in ACH reporting providing response codes for successful payments or returns.
What industry is Gulf Management Systems in?
Gulf Management Systems's product category is Payment Processing Services. Its primary akta.pro industry code is FSAMABAA, Integrated Payment Processors (PSP/Acquirer), with a secondary code of FSAMADAD, Integrated POS Payments (ISVs & Vertical POS Platforms). Its NAICS code is 522320 and its SIC code is 7370.