How Can Contractors Get Accurate Building Cost Estimates in USA for Better Bidding?

I’m exploring ways to improve bidding accuracy and reduce costly errors in construction projects, especially when working on tight deadlines. Getting precise building cost estimates in USA seems to be a key factor in winning more bids and maintaining profitability. However, it can be challenging to account for material pricing fluctuations, labor costs, regional variations, and project scope details without professional support.
I’m particularly interested in services or tools that provide detailed material takeoffs, labor breakdowns, and location-based pricing to ensure estimates are both realistic and competitive. Fast turnaround times are also important, as many projects require quick submissions without compromising accuracy. Has anyone here used professional estimating services for this purpose? Do they actually help improve bid success rates and save time? I’d appreciate any recommendations, insights, or experiences with reliable providers offering building cost estimates in USA.