Offer Services / 02 lines

Two offers,
designed for very different contexts.

On one side, senior technical missions for financial institutions. On the other, next-generation websites for companies moving to AI. Same level of demand in both cases.

Service · 01

Senior consulting

Technical consulting
finance & insurance

For the technical leadership of major financial players: a senior consultant integrated directly with your teams, without sales overhead, on your most strategic programmes.

Covered areas

Distributed architecture and core-system migration (banking, life insurance, asset management)
Technical audit, due diligence and expertise for executive committees
DORA, GDPR and ACPR / AMF compliance
Scoping of complex programmes and turnaround of struggling ones
Technical leadership of mixed teams (in-house, contractors, consultancies)

Stack & environments

Java / Kotlin

Python

Kafka · MQ

K8s · OpenShift

AWS · Azure

Terraform

Postgres · Oracle

IBM Mainframe

Engagement · direct via the EURL · no middleman

Scope a mission →

Service · 02

Web creation · AI

Websites powered
by artificial intelligence

For SMEs and mid-caps wanting to take the AI leap without fumbling: design, assisted generation and model integration in websites built to convert and last.

What's delivered

Marketing site, SaaS platform or business portal — custom design, performant and accessible
AI model integration (chatbot, semantic search, content generation, business agent)
Modern stack and edge hosting for sub-200 ms load times
Semantic SEO designed for the new AI-powered search engines
Usage dashboard and roadmap for 6 and 12 months

Tools & integrations

Next.js · Astro

Anthropic Claude

OpenAI

Mistral AI

Vercel · Cloudflare

Supabase

Stripe · HubSpot

n8n · Make

Pricing · based on your need · quote after scoping

Start a project → See our work →

Method 02 / Flow

A clear framework,
from kick-off to production.

No marketing fluff. A readable method, concrete deliverables and a single point of contact from start to finish.

01 / DISCOVERY

Scoping

90-minute workshop to understand the need, the constraints and identify the blind spots.

02 / DESIGN

Architecture

Technical proposal with documented trade-offs, roadmap and effort estimation.

03 / BUILD

Delivery

Direct mission or team lead, with weekly reviews and demos every two weeks.

04 / HANDOVER

Handover

Documentation, training for internal teams and 90-day post-launch follow-up.

References 03 / Field

What NSY brings
to your strategic programmes.

A senior intervention without sales overhead. No pyramid, no hidden juniors, no agency PowerPoint: qualified brainpower, directly on your topics.

03 / VALUE

Independence

Direct engagement via EURL — a single contract, a single point of contact.

04 / VALUE

Confidentiality

At ease in regulated environments (ACPR, AMF, GDPR, DORA).

05 / VALUE

Commitment

On-site or hybrid presence in Paris, La Défense or across regions.

3D Design 04 / Web craft

Real-time 3D,
in the service of your websites.

NSY web creation also brings in 3D optimised for the browser — lightweight, interactive, cyber aesthetics. One example below: a wireframe model spinning in real time. Click and drag to rotate it.

↻ Drag to rotate

Explore 3D Design →

Two offers,designed for very different contexts.