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Find Expertise
in One Day


Siili One is a collaboration-driven platform and ecosystem for all software consulting — fast, trusted, EU‑wide.

GET STARTED      ABOUT US

 

 

Find Expertise in One Day Find Expertise in One Day

Dear Change Maker, 

 

Boost consulting productivity with Siili One. Our value proposition is straightforward: we quickly find the right expert and solve even the most challenging problems with deep expertise.​

Our extensive collaboration network in Finland and EU countries scales according to your needs. We connect experts, insights, and implementation to create real business value for our clients.​

We lead the industry in speed and coverage of matching – one responsible partner for all software consulting needs. Send us a message or call, and let's discuss further!​

Best regards,

The Siili One Team


Client, are you seeking expertise?

With one contact, access a network of over 700 software consulting companies – and we resolve 80% of expert requests within one working day.
How we help


Consultant or IT service company – looking for a new job or assignment?

Siili One offers Lead-level software experts positions with 1st class benefits. Our collaboration network provides clear assignments for freelancers and consulting firms.
Apply for a job   Join our partner network

 

Siili One Oy, Est. 2019

Workplace and network - as a service.


2005 Siili Solutions founded (2012: Plc)

2010 First partnerships established​

2015 Systematic development of the network began

2019 Siili One founded

2021 Centralized model introduced for fast and precise talent matching

2025 Siili One launched as a service – bringing expertise easily into your team

2025

Where are we now?


100 Lead consultants in Finland (10% of Siili)

        Client satisfaction:
        Expertise: 9.5 / 10
        Attitude: 9.6 / 10

700 partner companies in the EU

200 parent company clients served – now also serving clients directly

Collaboration with All Sizes

Every client has their own story – we listen. Siili One was created to make finding experts easier, faster, and more human.

Our ecosystem consists of selected partners whose expertise and working methods are familiar to us. Therefore, we recommend experts who not only have the skills but also fit seamlessly into your way of working.​

Assignments can be short or long, small or large. Each one matters. And when challenges get complex, our team of over 100 in-house Lead-level experts is here to help you handle them with confidence.​

How we stand out:

→ Speed and precision – the right expert even within a day (80%)
→ Experienced experts: Lead-seniors, impact, and results​
→ Marketplace logic and a functional, reliable network​
→ One contact and responsible party – Siili One manages the whole​
→ Siili's values: ambition, humane, joy, and responsibility

 

SIILIOne-Andreas

 

 

 

 

SIILI-One_Liisa_1x1

 

Most Sought-After Experts

We build functional teams

Expert leasing for high standards – our professionals support you in technology, data, and business development. We cover the full spectrum of software consulting, from mainstream technologies to niche expertise.

Below are some of the most common roles we offer. Let us know what you need, or let’s build the team together.

Business Development & Agility
We help organizations renew and operate in a more agile way.
Roles: Agilist, Business Designer, Service Designer

Data & Artificial Intelligence
We develop data platforms, analytics, and machine learning solutions to support business.
Roles: Data Architect, Data Engineer, Data Scientist, ML Engineer

Software Development & Cloud Services
We design and build scalable software and cloud infrastructures.
Roles: Fullstack-, Cloud- & Mobile Developer, DevOps- & Integration Engineer, Tech Lead

Architecture & Quality Assurance
We bring structure and sustainability to software development.
Roles: Software- & Enterprise Architect, QA- & Test Automation Engineer

User Experience & Visual Design
We create intuitive, attractive, and functional digital services.
Roles: UX/UI Designer, Visual Designer, UX Engineer

Project Management & Continuity
We ensure smooth development work and maintenance.
Roles: Project Manager, Service Manager

Cybersecurity & Reliability
We take care of system security and operational reliability.
Roles: Security Engineer, Site Reliability Engineer (SRE)

 

AI Professionals

Strategy, change, and implementation

We have the experts ready who understand how AI is transforming job roles. We support leadership, train organizations, and build impactful solutions.

Strategy and Business Benefits
We identify the business potential of AI and build the direction forward.
Roles: AI Strategist, AI Business Consultant

Training and Change
We support organizations in adopting AI and developing internal capabilities.
Role: AI Coach

Implementation and Solutions
We design and implement scalable AI solutions.
Roles: AI Solution Architect, Gen AI Specialist, Automation Engineer

Responsible AI
We ensure that AI is used ethically and in a controlled manner.
Roles: AI Ethics & Responsibility Specialist

Experts for implementation, partner for transformation

Do you need an AI specialist or a comprehensive strategic direction? With Siili One, you get the right experts. Siili Advisory, on the other hand, is a strategic partner that helps leadership recognize AI opportunities and bring them into practice.


Expertise matters

At Siili One, breadth meets quality. From a network of tens of thousands of professionals, we quickly identify the right talent – tailored to your task, situation, and goals. Backgrounds may vary, but what matters most to us is matching the right expertise with the right need.
Contact our expert sales

 

Agile Problem Solving

When you need more than just an expert

We help identify the core of your challenge and develop a viable solution – whether it’s a goal that needs clarification, a technical bottleneck, or a complex business scenario.

Move Toward Your Goal
We analyze the intersection of your business and technology, identify critical bottlenecks, and create a clear roadmap forward.

Ensure Feasibility
A proof-of-concept validates the technical and business viability before making major development investments.

Optimize Cost and Scalability
We explore alternative technologies and solutions to boost efficiency and effectiveness while minimizing risk.

 

Lead-Level Expertise for Leaders

Solving Problems Is What We Do
Companies often have clear goals, but finding the right path forward can be challenging. Siili One’s core team includes over 100 seasoned Lead-level experts. We combine deep technological know-how with business acumen to uncover the best path for our clients.

For Business and Project Leaders
We work with a versatile toolkit – selecting the right tools for your situation and moving together toward tangible results. We’ll help you pinpoint the core issue, spar on the options, and build a solution that drives real business value.

If you could solve one key challenge slowing down your business – what would it be?

Let's solve it as One. Big challenges inspire us, small ones we clear out of the way.
Contact our solution sales

 

Meihin luottavat

Palvelemme yli 100 asiakasta suorin asiakassuhtein eri toimialoilta. 

 

  • responsability
  • Humane
  • ambition
  • joy

Get in Touch

Start with the need – we’ll take it from there. Quick response, to-the-point discussion, hand-picked expertise and One partner to trust.