Technical consultancy & architecture for financial services

Make technology decisions that won't become tomorrow's delivery problem.

We help banks, fintechs and insurers assess architecture, modernise complex technology estates and make high-impact technical decisions around platforms, integrations, security and AI.

A Speednet developer at a desk, looking thoughtfully at a laptop screen.

Architecture decisions grounded in delivery reality.

  1. Architecture
  2. Modernisation
  3. Build vs Buy
  4. Integrations
  5. AI

50+ financial services projects behind our recommendations

  • Financial services projects. Architecture experience across regulated environments50+

  • Microservices supporting a multi-institution fintech platform100+

  • Financial institutions connected through one scalable architecture25+

  • Faster time-to-market following a major cross-platform architecture and delivery scale-up4.5×

Key challenges

Where technology decisions create long-term delivery risk.

Architecture problems rarely appear as one dramatic failure. More often they show up as slower releases, growing dependencies, rising maintenance cost and decisions that become harder to reverse with every quarter.

  • Architecture has grown around individual projects

    Years of incremental development create overlapping responsibilities, hidden dependencies and technical boundaries that no longer match the way the business works.

    Make architecture reflect the roadmap, not its history.

  • Modernisation scope becomes too large to act on

    When everything looks legacy, transformation programmes quickly become too expensive, risky or broad to prioritise.

    Find the changes that unlock the most delivery value first.

  • Build vs buy decisions hide long-term trade-offs

    Commercial platforms may accelerate launch but introduce vendor dependency, integration constraints or future cost. Custom development creates a different set of risks.

    Compare the full delivery model, not just implementation cost.

  • Integration debt spreads across the estate

    Point-to-point dependencies, ageing middleware and inconsistent APIs make otherwise simple product changes dependent on multiple teams and systems.

    Treat integration architecture as part of the platform strategy.

  • Architecture decisions lack durable rationale

    Teams often know what was chosen but not why, so major technical decisions are reopened every time people or priorities change.

    Document the reasoning, not just the diagram.

  • AI enters the SDLC before the architecture is ready

    Developer tools, agents and models introduce new questions around code access, context, security, governance and ownership.

    Design the AI operating model before uncontrolled adoption designs it for you.

Speednet team members walking and talking in the office.

Technical consultancy capabilities

From architecture assessment to decisions your teams can execute.

  • Architecture & integration assessment

    Understand what is slowing the technology estate down. Current-state architecture, dependencies, integrations, technical debt and operational risks assessed against the product and delivery roadmap.

  • Target architecture & technical strategy

    Define where the architecture should evolve - and why. Target-state design, platform boundaries, technology direction and documented architectural decisions aligned with scalability, resilience and future delivery.

  • Modernisation strategy

    Turn a broad legacy problem into an actionable sequence of change. Identify what should be retained, refactored, decoupled, replaced or retired and prioritise the work around risk and delivery value.

  • Build vs buy & technology selection

    Choose platforms and technologies against the real environment. Evaluate commercial products, custom development and existing capabilities across integration fit, security, cost, maintainability and vendor dependency.

  • Technical discovery & scoping

    Turn an uncertain initiative into a delivery-ready scope. Map architecture, dependencies, security, integrations, assumptions, risks and effort before committing to implementation.

  • AI & SDLC architecture

    Introduce AI into engineering with the technical controls already defined. Assess AI readiness, tool and model architecture, code and context access, governance requirements and the path from experimentation to controlled adoption.

Architecture for delivery

Good architecture reduces the number of decisions every release has to reopen.

Architecture that explains what should change, what should stay - and why.

  1. Product reality

    Roadmap · Customer journeys · Time-to-market · Business priorities

    01

  2. Technology reality

    Systems · Data · Integrations · Infrastructure · Technical debt

    02

  3. Operational reality

    Security · Resilience · Governance · Cost · Ownership

    03

Let's talk architecture

Facing a technical decision that will be expensive to reverse?

Whether you're planning a modernisation, selecting a platform, redesigning an integration layer or reviewing an existing architecture, we can help evaluate the trade-offs before you commit.

Our process

From current-state complexity to a technical direction your team can act on.

Every engagement is scoped around the decision that needs to be made - not around producing a predefined consulting document.

  • 1

    Understand the environment

    We map systems, architecture, business goals, integrations, constraints, security requirements, ownership and the current delivery model.

  • 2

    Identify risks and bottlenecks

    We separate structural problems from symptoms and identify the decisions that have the greatest impact on delivery, cost and technical risk.

  • 3

    Evaluate the options

    We compare architectures, technologies, modernisation paths or vendors against feasibility, scalability, security, cost and long-term roadmap implications.

  • 4

    Document the direction

    We translate recommendations into target architecture, ADRs, technical roadmap, risks, priorities and implementation assumptions.

  • 5

    Support implementation

    Your internal teams can execute independently, we can remain involved as architecture support, or Speednet can take ownership of selected delivery streams.

Case studies

Architecture decisions that made it into production.

See how we've helped financial organisations turn technical decisions into scalable products, platforms and delivery environments.

Architecture as a delivery system

Technical debt is not the real problem. Delivery friction is.

Old technology does not automatically need replacing. It becomes a problem when architecture makes product change slower, riskier or disproportionately expensive.

  • Modernise around bottlenecks

    Prioritise the areas that constrain product delivery, resilience or integration rather than modernising technology only because of age.

  • Preserve what still works

    Stable systems can remain valuable when they are isolated behind clear interfaces and do not constrain the roadmap.

  • Reduce unnecessary coupling

    Teams move faster when product areas can evolve without coordinating every release across the whole estate.

  • Make technical decisions durable

    Clear ownership, boundaries and ADRs help future teams understand why the architecture looks the way it does.

A Speednet team member presenting at a screen during a meeting.

AI architecture & SDLC readiness

Scale AI in engineering without losing control over code, context and tools.

We help engineering organisations move from fragmented AI experimentation to a controlled technical model for AI-assisted software delivery.

We help engineering organisations move from fragmented AI experimentation to a controlled technical model for AI-assisted software delivery.

  • Models & tools

    Local or external models · Coding assistants · Agents · Tool access

  • Context & architecture

    Repositories · Documentation · ADRs · Project context · Integrations

  • Governance & control

    Permissions · Human approval · Auditability · Security policies

  • Adoption

    Pilot design · Measurement · Rollout · Operating model

No architecture hand-off

The people who recommend the architecture should stay accountable when it gets built.

Our architects work with engineering teams rather than handing recommendations over the wall. We can remain involved through implementation, technical governance and critical delivery decisions - or provide a clean handover to your internal organisation.

From technical decision to working technology.

Our architects work with engineering teams rather than handing recommendations over the wall. We can remain involved through implementation, technical governance and critical delivery decisions - or provide a clean handover to your internal organisation.

  • Architecture support

    Technical guidance · ADR review · Design authority

  • Delivery support

    Engineering teams · Integration specialists · DevOps · QA

  • Knowledge transfer

    Documentation · Workshops · Ownership transfer

Featured insight

Research and practical thinking for technology leaders.

Report cover: IT vendor selectionReport cover: Your organisation has implemented AI. What's next?Report cover: Banking trends 2025-2030
  • IT vendor selection: the guide for financial services, with 16 key questions to ask an IT vendor.

    Download for free
  • 9 AI governance pillars you cannot overlook: what to do after deploying AI so it stays reliable, safe and compliant.

    Download for free
  • Banking trends 2025-2030: 9 megatrends, 19 real-world implementations and 4 moonshot trends for financial institutions.

    Download for free

Technology insights

Ideas for architecture, modernisation and better technical decision-making.

Methods & outputs

Technical decisions your teams can work with.

  • Assess

    Architecture Review · Dependency Mapping · Risk Assessment · Technical Debt

  • Decide

    Target State · ADRs · Build vs Buy · Technology Selection

  • Plan

    Technical Roadmap · Prioritisation · Risk Register · Implementation Plan

FAQ

Frequently asked questions about Technical Consultancy & Architecture

  • What does your Technical Consultancy & Architecture service include?

    We support architecture assessment, target-state design, modernisation strategy, integration architecture, technical discovery, build-vs-buy decisions, technology selection and AI SDLC readiness.

  • Can you review an architecture we already have?

    Yes. We can assess an existing architecture, roadmap or proposed target state and identify risks, dependencies, technical debt and areas where alternative approaches should be considered.

  • Can you help us decide what to modernise first?

    Yes. We assess where the current estate creates delivery bottlenecks, operational risk or disproportionate maintenance cost and use that to prioritise modernisation.

  • Do you recommend full legacy replacement?

    Only when it makes sense. In many environments the better approach is to retain stable systems, improve interfaces around them and modernise the areas that actually constrain the roadmap.

  • Can you support build-vs-buy decisions?

    Yes. We compare commercial platforms, custom development and existing capabilities against functionality, integration fit, security, total cost, vendor dependency and long-term flexibility.

  • Do you document architectural decisions?

    Yes. Where relevant, we use Architecture Decision Records and supporting documentation so teams understand not only what was decided but why, what alternatives were considered and what trade-offs were accepted.

  • Can you help with technical discovery before an RFP or implementation project?

    Yes. We can clarify scope, dependencies, integrations, architecture assumptions, delivery risks and effort before the organisation commits to procurement or implementation.

  • Can you work as an independent second opinion?

    Yes. We can review an internal proposal, vendor architecture or existing transformation plan and provide an independent technical perspective without taking over the entire initiative.

  • Can you work alongside our existing architects and vendors?

    Yes. We often work inside existing multi-team and multi-vendor environments, supporting decisions, resolving architecture questions and providing specialist capability where needed.

  • Do you also implement the architecture you recommend?

    Yes. Speednet is also a software delivery organisation. We can remain involved through engineering and implementation, provide architecture governance or transfer the roadmap completely to your internal teams.

  • How do you support AI architecture and SDLC readiness?

    We assess how models, developer tools and AI agents should access code, project context and engineering systems, then define the controls, governance and rollout model required for safe adoption.

Let's talk technology

What technical decision is slowing your roadmap down?

Tell us what you're assessing, modernising or trying to untangle. We'll connect you with a senior Speednet technology expert who can help turn the complexity into a clear technical direction.

Michał Grela, a smiling man in a dark jacket

Michał GrelaHead of Growth

michal.grela@speednet.pl+48 600 023 843