SJ Concepts Ltd

Established in 2000 in Newport, South Wales, SJ Concepts is an expert automotive customisation company specialising in in-car entertainment, security, and custom installations for mainstream vehicles and manufacturers. Led by Saj Jethwa, our experienced team offers a wide range of services, including custom audio, ECU remapping, iPad/iPod integrations, diagnostics, and coding. Visit our state-of-the-art showroom for live demonstrations, or contact our friendly staff for tailored guidance on your project. Committed to exceptional craftsmanship and customer satisfaction, SJ Concepts also provides comprehensive aftercare services to ensure peace of mind. Elevate your automotive experience with SJ Concepts.

Customer Reviews

Click on a review to expand and find out more.

• · Mini / Cooper (2007) - SJ Concepts (31/01/2026) review by Luke 5★

  5 Star Rating ★★★★★

  KENWOOD DMX5023DABS fitted with a custom facia, adding the latest technology
  Mini / Cooper (2007) - SJ Concepts (31/01/2026) review by Luke 5★

  Knowledgeable and extremely helpful ★★★★★ Excellent
  Advice given by dealer:★★★★★ Excellent
  Quality of the installation: ★★★★★ Excellent
  Demonstration on how the KENWOOD system works: ★★★★ Great

• · VW / Transporter (2007) - SJ Concepts (14/02/2026) review by Brett 5★

  5 Star Rating ★★★★★

  Great Upgrade 9" inch floating screen
  VW / Transporter (2007) - SJ Concepts (14/02/2026) review by Brett 5★

  Knowledgeable and extremely helpful ★★★★★ Excellent
  Advice given by dealer:★★★★★ Excellent
  Quality of the installation: ★★★★★ Excellent
  Demonstration on how the KENWOOD system works: ★★★★ Great

• · VW / Polo (2014) - SJ Concepts (13/02/2026) review by Luca 5★

  5 Star Rating ★★★★★

  Recommended Stereo Upgrade
  VW / Polo (2014) - SJ Concepts (14/02/2026) review by Luca 5★

  Knowledgeable and extremely helpful ★★★★★ Excellent
  Advice given by dealer:★★★★★ Excellent
  Quality of the installation: ★★★★★ Excellent
  Demonstration on how the KENWOOD system works: ★★★★ Great

• · VW / Transporter (2019) - SJ Concepts (07/02/2026) review by Rhys 5★

  5 Star Rating ★★★★★

  Great Stereo upgrade with front and rear cameras
  VW / Transporter (2019) - SJ Concepts (07/02/2026) review by Rhys 5★

  Knowledgeable and extremely helpful ★★★★★ Excellent
  Advice given by dealer:★★★★★ Excellent
  Quality of the installation: ★★★★★ Excellent
  Demonstration on how the KENWOOD system works: ★★★★ Great

• · Kia / Sportage (2014) - SJ concepts (23/12/25) review by Ellie 5★

  5 Star Rating ★★★★★

  Highly recommend
  Kia / Sportage (2014) - SJ concepts (23/12/25) review by Ellie 5★

  Knowledgeable and extremely helpful ★★★★★ Excellent
  Advice given by dealer:★★★★★ Excellent
  Quality of the installation: ★★★★★ Excellent
  Demonstration on how the KENWOOD system works: ★★★★ Great

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Contact Information

SJ Concepts Ltd
20 Leeway Industrial Estate
Newport
Wales
NP19 4SL

Tel No: 01633 276682
Email: Contact Us

Opening Hours: Monday to Friday: 9 am - 5.30 pm | Saturday: 9 am - 1 pm | Sunday: CLOSED