About SEKA Group

SEKA Group was built around a simple idea: commercial property projects should be managed properly, explained clearly and delivered without unnecessary complication. Whether the priority is roofing, cladding, insulation, compliance or wider building improvement, our role is to help property owners move forward with the right plan.

We focus on practical advice, honest recommendations and coordinated delivery. Instead of adding confusion, we help simplify the process and connect clients with the right expertise at the right stage.


rafal karys and mark seaton with autumn trees behind them

The People Behind SEKA Group

SEKA Group is backed by experienced people who understand the realities of commercial property, roofing, insulation and the wider building sector. The business brings together practical knowledge, specialist support and a clear focus on helping clients make informed decisions about their buildings.

Rafal Karys

Rafal adds extensive knowledge of the wider building sector, helping ensure projects are approached with a practical understanding of compliance, condition, construction and commercial priorities.

Mark Seaton

Mark brings many years of experience in roofing and insulation, with a strong understanding of how commercial buildings can be improved for better performance, durability and efficiency.

Specialist Support

Through trusted relationships and connected expertise, SEKA Group can support projects that require specialist input, including asbestos-related services through Rafal’s sister company, A F Environmental Ltd. t/a Asbestos Fighters.

What We Stand For

  • Honest advice based on what the building actually needs
  • Clear communication without jargon or unnecessary complexity
  • Work delivered with pride, care and professionalism
  • Practical solutions focused on long-term commercial value
  • Support that keeps the process straightforward for the client

What You Will Not Get

  • Pushy sales tactics
  • Overcomplicated explanations
  • Recommendations designed to inflate costs
  • Pressure to approve work that is not necessary
  • A confusing process with no clear direction

Why Businesses Choose SEKA Group

Commercial property owners choose SEKA Group because they want honest guidance, a clearer route through complex building decisions and a team that takes pride in doing things properly. We understand that clients do not need more noise, more jargon or more pressure. They need dependable advice and a plan that makes sense.

  • Experienced people with relevant commercial property knowledge
  • Clear recommendations focused on what is genuinely needed
  • Support across roofing, cladding, compliance and building upgrades
  • A straightforward approach that respects time and budgets
  • Long-term thinking around efficiency, compliance and value
Huge warehouse with corrugated roof with green graphic

At SEKA Group, we believe commercial property projects should still be handled in a personal, professional way. That means being friendly, responsive and straightforward to deal with, while still bringing the knowledge needed to support serious building decisions and long-term property improvement.

Based in Hertfordshire, Supporting Commercial Property Across the South East

SEKA Group is based in Hertfordshire and supports commercial property owners across London and the South East. We work with businesses that need practical help with roofing, cladding, insulation, compliance and broader property improvement projects.

  • Hertfordshire
  • London
  • Bedfordshire
  • Buckinghamshire
  • Essex
  • Surrey
  • Kent
  • South East England

Complete Industrial & Commercial Property Solutions

We help property owners, investors and facilities managers maintain, upgrade and improve their buildings with fully coordinated services. From industrial roofing contractors to commercial property surveys in the UK, SEKA Group delivers practical solutions that protect buildings and improve long-term value.

Specialist commercial roofing and cladding systems for warehouses, factories and industrial buildings.

Roof replacement, refurbishment, insulation and overlay systems.

Improve energy performance and meet evolving UK regulations for commercial property.

EPC upgrades for commercial property, insulation improvements and thermal assessments.

Turn your roof into a long-term energy asset with solar panels for warehouses and commercial sites.

Commercial solar installations and battery storage systems.

Understand the condition, safety and compliance of your building before making decisions.

Building surveys, asbestos surveys, EICR and fire risk assessments.

Protect your building and maintain its appearance with professional industrial building maintenance solutions.

Roof cleaning, façade cleaning, rope access and maintenance.

From survey to completion, we manage commercial property projects with clarity and control.

Roofing, refurbishment, EPC upgrades and full building works.