Florida Fintech Dev Companies: 2026 Directory

Florida's fintech development scene is not concentrated. It spans four metros that operate almost independently of each other - Tampa Bay (back-office, payments, trading), Miami (cross-border, LatAm, crypto), Orlando (tourism-tech finance, hospitality-adjacent), and the South Florida wealth corridor (private banking, family-office tech). Picking the right development firm starts with knowing which metro your fintech build aligns with, because the talent pools and the regulatory culture in each are genuinely different.

This directory names twelve fintech software development firms across the state, alphabetical, with the metro context that matters. DesignKey Studio is on the list with the same treatment as everyone else.

The short version

Florida fintech development breaks into three rough firm tiers: large enterprise nearshore-heavy shops with 1,000-5,000 engineers (NIX, DataArt, Innowise, Intetics), mid-size product agencies of 50-900 engineers (Appinventiv, Luby Software, Leanware, Emerline, Concepta, Simform, Absolute Web), and smaller specialist boutiques of 10-50 engineers (DesignKey Studio, Solvios Technology, Cosmico Studios). Tier mostly maps to budget. Specialty (payments, lending, banking, crypto, trading, RegTech) mostly maps to fit. Both questions matter; either alone is not enough.

How firms were selected

Every firm in this directory meets four criteria:

1. Verifiable Florida presence. Headquarters or a primary office in Tampa, Miami, Orlando, Naples, St. Petersburg, Boca Raton, or another Florida metro on their own site OR a verified Clutch, MobileAppDaily, or Built In profile.
2. Fintech is a published service line. Custom fintech development, payment platforms, lending software, financial-services software - on the firm's service list as a top-tier offering or as a primary industry focus, not a one-off project mention.
3. Operating > 3 years. Brand-new entrants without delivered fintech work are excluded.
4. Public client proof or verifiable industry track record. Named clients, case studies, or industry-specific work documented on the firm's site.

What gets reported per firm: headquarters metro, team size range, what they are known for in fintech specifically, best fit, and website. Where a fact is not publicly verifiable, the field is left blank rather than estimated.

Disclosure: DesignKey Studio published and maintains this directory. We are listed below alphabetically with the same neutral treatment as every other firm. Feedback on inclusions, removals, or updates from the named firms is welcomed via the contact link.

The twelve Florida fintech development firms

Absolute Web

• Headquarters: Miami, FL
• Team size: 51-100
• Known for: E-commerce and fintech web solutions, with notable depth on the e-commerce + payments intersection. Mid-size positioning suits buyers needing a firm large enough to scale but small enough to know.
• Best fit for: Fintech-adjacent commerce builds where payments, checkout, subscription billing, and the surrounding e-commerce surface are the primary scope.
• Website: absoluteweb.com

Appinventiv

• Headquarters: Miami, FL (US office; firm operates globally)
• Team size: 2,001-3,000
• Known for: Custom software and mobile app development at enterprise scale. Fintech is among their named industries; the firm operates across many verticals.
• Best fit for: Enterprise fintech buyers needing a multi-team engagement at significant scale, especially when mobile-app reach is a primary requirement.
• Website: appinventiv.com

Concepta Technologies

• Headquarters: Orlando, FL
• Team size: 51-100
• Known for: Mid-size product agency with fintech as a named vertical. Orlando-based firms increasingly serve fintech buyers in tourism-adjacent finance (hospitality payments, restaurant tech billing, theme-park tech billing).
• Best fit for: Mid-market fintech buyers wanting an Orlando-based partner, especially with adjacent tourism-tech or hospitality-payments framing.
• Website: conceptatech.com

DataArt

• Headquarters: Orlando, FL (US office; firm operates globally)
• Team size: 5,000+
• Known for: Long-established enterprise software firm with a substantial financial-services practice. Custom platforms for capital markets, trading, and banking infrastructure. One of the larger firms on this list.
• Best fit for: Enterprise financial-services buyers needing a partner that has shipped under heavy regulatory and integration constraints. Overkill for an early-stage MVP.
• Website: dataart.com

DesignKey Studio

• Headquarters: Tampa, FL (founded 2020)
• Team size: 10-49
• Known for: Product-studio engagements for SaaS founders with fintech as one of the strongest verticals (four production fintech platforms shipped, including a trading platform for a Tampa-based client and a patient-financing marketplace). Design + engineering + AI under one roof.
• Best fit for: Pre-seed through Series A fintech founders shipping payments, lending, trading, or business-finance products. Honest about regulatory limits: we build the software layer on top of sponsor banks and processors rather than holding licenses ourselves.
• Website: designkey.studio

Emerline

• Headquarters: Miami, FL (US office)
• Team size: 801-900
• Known for: Healthcare and fintech development as named verticals. Mid-to-large firm with both technical depth and breadth across industries.
• Best fit for: Buyers in healthcare-finance, insurtech, or fintech-with-clinical-data who want one partner across both regulatory environments.
• Website: emerline.com

Innowise

• Headquarters: St. Petersburg, FL (US office)
• Team size: 3,001-4,000
• Known for: Large enterprise-scale firm with broad industry coverage including fintech. Their Florida presence in St. Petersburg makes them one of the larger Tampa Bay-area options.
• Best fit for: Enterprise fintech buyers needing parallel multi-team engagements with the geographic convenience of a Florida-based partner.
• Website: innowise.com

Intetics Inc

• Headquarters: Naples, FL
• Team size: 901-1,000
• Known for: Full-stack development with a financial services software practice. Naples HQ gives them a distinctive position relative to the Tampa/Miami/Orlando concentration.
• Best fit for: Mid-market and enterprise fintech buyers, especially those in the south Florida wealth corridor where Naples geography is convenient.
• Website: intetics.com

Leanware

• Headquarters: Miami, FL
• Team size: 51-100
• Known for: Mid-size Miami firm positioning around "transparent processes and measurable results." Fintech is among their named industries; common pattern for Miami firms that span fintech, e-commerce, and SaaS.
• Best fit for: Mid-market Miami buyers wanting a transparent process-driven engagement, especially in the LatAm cross-border or Spanish-language fintech context.
• Website: leanware.co

Luby Software

• Headquarters: Miami, FL
• Team size: 301-400
• Known for: Quality-driven product engineering with measurable-outcomes positioning. Mid-to-large firm. Miami fintech depth and broader US enterprise reach.
• Best fit for: Mid-market fintech buyers needing a Miami partner of meaningful size, especially for Brazilian and LatAm cross-border buyer profiles where Luby's heritage is relevant.
• Website: luby.co

NIX

• Headquarters: Tampa, FL
• Team size: 1,000-9,999
• Known for: Full-spectrum enterprise software including financial services as a named vertical. Cloud consulting, custom software, AI, mobile, and IT staff augmentation. Hourly band $50-$99 reflects nearshore delivery.
• Best fit for: Enterprise fintech buyers wanting one partner that can cover infrastructure, custom software, and ongoing operations in the same engagement.
• Website: nix-united.com

Simform

• Headquarters: Orlando, FL
• Team size: 501-600
• Known for: Mid-to-large product engineering firm with fintech among named verticals. "Future-proof digital solutions" positioning around modern stacks.
• Best fit for: Mid-market fintech buyers needing a partner large enough for parallel workstreams but smaller and more nimble than NIX or DataArt class.
• Website: simform.com

Solvios Technology

• Headquarters: Boca Raton, FL
• Team size: 10-50
• Known for: Boutique financial-services architecture firm. Their south Florida positioning is rare among the smaller firms; most boutique fintech dev shops cluster in Miami proper.
• Best fit for: Smaller fintech engagements in the south Florida wealth corridor (Boca, Palm Beach, Fort Lauderdale) where a local boutique offers in-person convenience.
• Website: solvios.technology

How to choose between them

Five questions get you from twelve to a shortlist of two or three:

1. Which Florida metro fits your fintech? Tampa Bay: back-office, payments, trading, business finance. Miami: cross-border, LatAm-serving, crypto, consumer fintech, FX. Orlando: hospitality and tourism-adjacent finance. South Florida (Boca/Palm Beach): private banking, family-office tech, RIA tooling. Picking a metro-aligned firm pays off in talent fit and local network.

2. What is your fintech sub-vertical? Payments (Absolute Web for commerce-adjacent, NIX or Appinventiv for scale, DesignKey Studio for marketplace payments). Lending and origination (Solvios Technology, DesignKey Studio, DataArt). Trading and capital markets (DataArt, NIX, DesignKey Studio for retail-trading scale). Banking and BaaS (DataArt, Emerline, NIX). RegTech and compliance (DataArt, Emerline). Crypto and Web3 (typically Miami-focused; specialists not on this list may be a better fit).

3. What is the budget? Boutique fintech engagements start around $50,000-$80,000 (DesignKey Studio, Solvios Technology, Cosmico-class). Mid-market engagements typically run $150,000-$500,000 (Concepta, Absolute Web, Simform, Leanware, Emerline). Enterprise engagements at the large firms typically start around $500,000 and frequently exceed $1M+ (NIX, DataArt, Appinventiv, Innowise, Intetics).

4. Will your build need direct regulatory licensing? Most firms on this list build the software layer; the buyer (or a sponsor) holds the bank charter, money transmitter license, or broker-dealer registration. If your project requires the development firm itself to handle direct licensing (rare), DataArt and other enterprise firms have the operational scale to set up subsidiary structures. Most boutiques and mid-size firms do not.

5. Who is on your team day-to-day? Senior engineers throughout, or a sales-call architect and junior delivery? Ask to meet the actual team before signing. This question matters more in fintech than in most verticals because of the cost of mistakes at the regulatory or payment-rail layer.

Two questions to ask any firm:

• "Show me a fintech project you shipped under PCI-DSS, SOC 2, or applicable regulatory scope." A firm that cannot is missing what you are paying for.
• "What rails and partners do you have direct production experience with? Stripe, Adyen, Marqeta, Dwolla, Plaid, Currencycloud, Wise?" Specifics matter; "we can integrate any API" is generic.

Florida fintech ecosystem context

Florida fintech has distinct local cultures in each of its major metros:

Tampa Bay. Back-office finance concentration (banking ops, processing, capital markets back-office). Trading and brokerage tech is over-represented. The Tampa Bay Fintech Alliance is the central industry group. Annual gathering: Synapse Summit. Local universities (USF, UT) feed the talent pool.

Miami. Cross-border finance, LatAm-serving fintech, crypto, and consumer fintech dominate. Miami Tech Week and eMerge Americas are the headline events. Refresh Miami covers the scene editorially. Bilingual operating models are common. FIU and UM feed talent.

Orlando. Tourism-tech finance, hospitality payments, restaurant tech billing. Orlando Tech Community is the central group. UCF and Rollins feed talent. Smaller fintech scene than Tampa or Miami but distinct in profile.

South Florida (Palm Beach, Boca, Fort Lauderdale, Naples). Private banking, family-office tech, RIA tooling. Smaller, wealthier client base. Less industry-group infrastructure than the larger metros; relationships often run through personal networks and conferences (FA Magazine events, the Family Office events circuit).

For cross-referencing firms on this list, the Clutch Florida fintech listing and the Built In Florida fintech directory are both useful.

Frequently asked questions

How much does a fintech MVP cost in Florida?

Boutique-tier MVP for a focused payment-rail integration: $40,000-$90,000. Mid-market MVP including KYC and KYB, marketplace payouts, and admin tooling: $90,000-$250,000. Enterprise-scale fintech platforms with multiple rails, compliance reporting, and partner integrations: $250,000-$1M+. Florida rates run 30-40% below NYC or Bay Area fintech specialists for equivalent senior engineering.

What is the typical timeline for a fintech build?

A focused MVP with one payment rail and one core workflow: 10-16 weeks. A platform with multiple rails, KYC/KYB, and admin tooling: 16-24 weeks. Enterprise fintech with regulatory reporting and external clinical or banking data: 24-36 weeks. Compliance review cycles often extend timelines beyond the engineering work.

Should I hire a Florida firm or a New York / Bay Area fintech specialist?

For most operators, a Florida firm with the right vertical depth matches an NYC or SF specialist at meaningfully lower cost. The exception: if your project requires a very specific vertical depth that no Florida firm has (e.g., HFT systems, FedNow-level direct bank integration), a coastal specialist may be the right fit even at higher cost.

Are these firms PCI-DSS, SOC 2, or HIPAA compliant?

Most build to the relevant control frameworks; few are themselves audited and certified. The distinction matters: a firm building TO PCI-DSS controls produces a codebase your auditor can certify; a firm CERTIFIED in PCI-DSS would be auditing your code rather than writing it. Ask each firm explicitly which controls they have shipped under, with reference projects.

How do these compare to specialized fintech platforms like Stripe Connect, Marqeta, or Currencycloud?

Those are infrastructure providers, not development firms. You typically need both: a development firm to build your product, and infrastructure providers to handle the rails. The firms on this list integrate with all of those infrastructure providers; they do not replace them.

Closing + how this directory stays current

This directory is updated annually. Last reviewed: October 2026.

DesignKey Studio published and maintains this directory. We aim to keep it accurate and balanced. If your firm should be included, removed, or updated, contact us at designkey.studio/contact. We respond within one business day.

The inclusion criteria are documented above and applied evenly. We have listed ourselves with the same treatment as every other firm because we meet the same criteria: verifiable Florida headquarters (Tampa, 2020), fintech as a published service line, more than three years operating, and named fintech case studies in our case studies and the fintech industry pillar.