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.

• · 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

• · VW / Crafter (2022) - SJ concepts (01/10/26) review by Wayne 5★

  5 Star Rating ★★★★★

  The service provided was excellent. The knowledge and advice given was also excellent, with updates of how the process was proceeding. I cant recommend this professional installation service high enough.
  VW / Crafter (2022) - SJ concepts (01/10/26) review by Wayne 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 (2018) - SJ concepts (31/12/25) review by Gareth 5★

  5 Star Rating ★★★★★

  Great Service
  VW / Transporter (2018) - SJ concepts (31/12/25) review by Gareth 5★

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

• · Peugeot / Boxer (2015) - SJ concepts (19/12/25) review by Fess 5★

  5 Star Rating ★★★★★

  Highly recommend SJ Concepts for all audio work! By far the best at what they do!
  Peugeot / Boxer (2015) - SJ concepts (19/12/25) review by Fess 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 / T6 (2019) - SJ Concepts (06/12/25) review by Leighton 5★

  5 Star Rating ★★★★★

  Knowledgeable and professional! Would highly recommend SJ Concepts.
  VW / T6 (2019) - SJ Concepts (06/12/25) review by Leighton 5★

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

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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