A partnership created at the crossroads of strategy, design and systems

About us

Rooted in human-focus, agility and impact

Vicka and Renier bring together complementary skills in business development, human-centred design, and technology. They’ve founded this joint venture to assist growing companies with solving strategic and operational challenges.

Vicka Petrishko

Vicka Petrishko

Founder: Leanseed

  • Human-centred design

  • Product and service strategy
  • Facilitator and speaker

Background: digital, systems, service and instructional design; learning facilitation; general management

Industries: technology, education, mining and non-profits

About: Vicka specialises in consulting for medium-sized businesses from a human-centred perspective. Whether building a software product or implementing a new internal system, her focus is on solving for human needs - whether customer, employee, or user.

She is the founder of Leanseed (Pty) Ltd, bringing over 25 years of experience across industries, helping companies and individuals uncover the real challenges behind business processes and align strategic goals with solutions that work for people.

Vicka holds an Advanced Diploma in General Management (Gibs, 2023) and a Postgraduate Diploma in Innovation & Design Thinking (Emeritus, 2018).

Renier Sevenster

Renier Sevenster

Founder: Lean Startup Services

  • Automation and data analysis
  • System architecture and design
  • Software development

Background: Systems integration, performance engineering, scalable architecture and Generative AI

Industries: Telecoms, finance, travel and technology

About: Renier builds technology that solves business problems - full tech stacks, customer-facing products, internal platforms, and AI-powered systems that automate workflows and support better decisions.

He founded Lean Startup Services in 2015 after years in principal and lead architect roles.

He and his team have assisted companies ranging from startups to telcos develop innovative solutions to deep technical challenges.

His approach is technical and data-driven: understand the problem, build what's needed, make it work in production, measure and improve.

Our Values


Clarity

Remove the guesswork and focus on what matters most, 
reducing waste.

People focus

Shape systems and processes around how people actually work, improving adoption.

Agility

Adapt quickly, start small, and scale what proves effective, reducing risk and speeding up results.

Impact

Create measurable growth and lasting improvements that keep working long after we’ve gone.

Why us

How we're different

Every engagement is shaped around your business reality. Sometimes that means deep research and a strategic roadmap; other times, it’s a quick pilot that proves value in weeks. Always, it means working closely with you and your team to build something that fits.

NEWCOBusiness consulting firmsDesign agencies and software specialists Freelancers
Approach

Carry strategy into execution, adaptable and relevant

Strategic but slow; weak on execution

Focus on their function; limited end-to-end business view

Adaptable but tactical; limited to their function

Commitment

Practical and growth-focused; long-term partners

Long-term, resource-heavy, theoretical, bureaucratic

Project-based; tied to scope not growth

Project-to-project; dependent on individual

Attention

Direct senior involvement; fewer clients

Spread thin across big portfolios; juniors front-facing

Driven by own function, top-down solution approach

High personal attention but limited scope and continuity

Ability to adapt

Lean, iterative, quick to adapt and scale what works

Rigid frameworks; slow to change

Flexible in their domain but less cross-functional

Flexible but limited by single-person capacity

Risk for client

Reduced risk via single-point accountability and integrated delivery

High risk of strategy–execution gap; ROI uncertain

Risk of misalignment with business goals; depends on multiple vendors

Risk of dependency on one person; limited continuity if unavailable

We’re drawn to meaningful challenges and intentional about the projects we commit to — let’s connect and see if we’re the right fit.