Build a product / catalogue Website with SEO as the highest priority

I am a small IT company and one of my clients has an existing website and needs a new website The highest priority is that the website will be found locally within 5 cities in Ireland. Hits from these cities count. Any other hits outside Ireland do not matter. This website MUST be designed and created in such a way that it attracts local visitors. I DO understand SEO is an ongoing task but it all starts with the right website so this is the starting point and ongoing (offsite) SEO work will happen later Reference sites exist. Competitor sites have been selected, reviews of the existing site exist but I am only sharing these with the top candidates that can prove they can make a website that will be found LOCALLY The site sells used car parts. The company take cars and break them into parts and then sell the parts. There will be a main page and then a landing page for each of the target cities (5) and then there are the catalogue pages. The site is a catalogue site and there must be a catalogue with parts and descriptions which the company will populate - HOWEVER - there is NO need to sell from the website. The purpose of the website is to get attention and to show products and the call to action will be to phone the company. There should be a way to have the products update automatically. This can be done by using a tool to import from the company ebay store or there is an onsite server and an API available In summary - a product website that targets 5 cities (with landing pages) and the products are populated from eBay store or through an API (whichever you want) the MOST important thing is SEO. The pages must be found locally and the pages must be designed to have a definite call to action Preference will be given to those with good feedback for SEO and who can demonstrate existing project where their SEO work made a difference (so have you a site that was ranked high ? )