Colour-Correct Photo Retouching

I have a collection of wedding, product, and individual shots that now need a precise round of post-production. The only editing required is high-end colour correction; no skin work or creative effects this time, just faithful, vibrant tones that look consistent across the entire set... (Budget: €250 - €750 EUR, Jobs: Adobe Lightroom, Color Grading, Image Processing, Photo Editing, Photography, Photoshop, Post-Production, Visual Arts)