Fintech & payments advisory that builds and scales.

Strategy, payments consulting, fintech advisory and digital finance — from opportunity to execution.

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20+

years in financial services

Europe-wide

regulated market coverage

Senior-led

every engagement, no junior layers

Who we work with

Fintechs & Payment Companies

Market entry, licensing, partnerships and scaling strategies for payment and fintech businesses at any stage.

Banks & Financial Institutions

Payments strategy, digital transformation, partnership models and operating model design for established institutions.

Investors & Portfolio Companies

Due diligence support, post-investment strategy and hands-on advisory for fintech and payments portfolio companies.

Digital Finance & Technology Businesses

Digital asset strategies, tokenisation models and regulated operating frameworks for technology-driven financial services.

What we do

Build & Scale

Strategy, new ventures, market entry, business models, product development and operating models.

Payments & Partnerships

Payments strategy, cross-border payments, strategic partnerships, banks, PSPs, fintech ecosystems and distribution models.

Digital Finance

Digital assets, crypto/banking models, tokenisation, digital financial products and regulated operating models.

Strategy matters.
Execution makes it real.

We combine strategic thinking with hands-on experience building businesses, partnerships and operating models - and stay involved while the work is delivered.

UNDERSTAND

The business, the market, the economics and the constraints that actually shape the decision.

DESIGN

A model that works commercially, operationally and under regulation - not only on paper.

EXECUTE

Hands-on work with your team: partners, product, operations and delivery until it runs.

Senior-level involvement without layers of junior consulting teams.

Why NeXa

Practitioners, not presenters

We have built the businesses, partnerships and operating models we advise on. Our recommendations come from experience, not frameworks.

Senior from start to finish

No handoffs to junior teams. The people in the room at the start are the same people doing the work.

Built for regulated markets

Every recommendation accounts for licensing, compliance and the regulatory environment the business operates in.

Execution, not just strategy

We stay involved through implementation — working alongside your team until the model, partnership or product is live.

Commercially grounded

We focus on what works in practice: economics, partnerships and operating models that sustain beyond the engagement.

Independent perspective

No product to sell, no platform to push. Our advice is shaped only by what is right for the business.

Selected experience

Building a regulated payments business

Challenge: A launch plan spread across licensing, product, partners and operations with no single owner.
What we did: Defined the business and operating model, sequenced licensing and partner selection, and worked with the team through build and launch readiness.
Outcome: Launched within the planned timeline with licensing, banking partners and operations in place from day one.

Developing an international payments network

Challenge: Cross-border expansion limited by coverage, banking relationships and settlement complexity across multiple corridors.
What we did: Designed the corridor and partnership strategy, structured bank and PSP relationships, and shaped commercial and settlement models.
Outcome: Expanded to 12+ new corridors with signed banking and PSP partners and a repeatable onboarding model.

Digital assets for financial institutions

Challenge: Interest in digital assets without a viable, regulated operating model or clear use case prioritisation.
What we did: Assessed use cases against regulatory requirements, designed product and custody/operating options and mapped risk implications across jurisdictions.
Outcome: Board-approved roadmap with a phased approach: custody services first, tokenised products second, clear regulatory boundaries defined.

Risk and operating model transformation

Challenge: Growth outpacing controls, processes and ownership across a scaling financial services organisation.
What we did: Redesigned the operating model, clarified accountabilities across three lines of defence and rebuilt core risk and control processes with the leadership team.
Outcome: Regulatory review passed without material findings; operational incident rate reduced within the first quarter post-implementation.

Engagements are described anonymously to respect client confidentiality.

Founder

Nemanja Krstić

Founder, NeXa Advisory

His background combines executive leadership, business building and advisory work across banking, fintech, payments and digital finance - building businesses and partnerships, and leading the teams that run them.

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Working on something complex?

If you're building a financial product, entering a market, developing a strategic partnership or solving a difficult operating problem, let's talk.

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