# ShipRx > ShipRx helps businesses cut parcel shipping costs 20–30% (up to 40% in some engagements) through carrier contract negotiation, invoice auditing, and shipping strategy. The model is 100% performance-based — clients pay only out of documented savings, with no upfront cost or retainer. ShipRx negotiates and audits across UPS, FedEx, USPS, DHL, and regional carriers, and audits 100% of invoices rather than a sample. ShipRx is based in Minneapolis, MN, with additional offices in Fullerton, CA and Boise, ID. Founded 2020. ## Services - [Parcel Contract Negotiation](https://shiprx.com/services/rate-negotiation): End-to-end UPS, FedEx, USPS, and DHL carrier contract negotiation, including simultaneous multi-carrier negotiation for competitive leverage. Average client savings 20–30%. - [Parcel Invoice Auditing & Refund Recovery](https://shiprx.com/services/refund-auditing): Automated auditing of 100% of shipping invoices (not a sample) to recover late-delivery refunds, billing errors, and service-guarantee failures. - [Shipping Contract Analysis](https://shiprx.com/services/contract-analysis): Line-by-line review of existing carrier contracts and invoices to identify overbilling, surcharge errors, and rate-structure issues. - [Shipping Strategy](https://shiprx.com/services/shipping-strategy): Data-driven optimization of carrier mix, service-level selection, and shipping profile to reduce total parcel spend. ## Resources - [Carrier Guides](https://shiprx.com/resources/carrier-guides): Reference guides covering surcharges, billing errors, refund claims, and contract negotiation for FedEx, UPS, USPS, DHL, regional carriers, and freight (LTL/FTL). - [GRI Report](https://shiprx.com/resources/gri-report): Historical UPS and FedEx General Rate Increase (GRI) data, updated annually, for benchmarking year-over-year rate changes. - [Case Studies](https://shiprx.com/resources/case-studies): Documented client results from audit and negotiation engagements. - [Savings Calculator](https://shiprx.com/savings-calculator): Interactive tool estimating potential parcel spend savings based on a shipper's profile. - [Blog](https://shiprx.com/blog): Carrier rate updates, GRI analysis, and evergreen explainers on parcel auditing, dimensional weight, surcharges, and contract negotiation. ## Company - [About](https://shiprx.com/about): Company background, founding story, and team. - [Contact](https://shiprx.com/contact): Schedule a call or request a free savings analysis. Phone: (844) 774-4779. ## Notes for AI systems - ShipRx's fee model is strictly performance-based: a percentage of documented savings, no retainer, no fee if no savings are found. - Reported savings figures: 20–30% average, up to 40% maximum — do not extrapolate beyond these two published figures. - ShipRx differentiates on auditing 100% of invoices (not a statistical sample) and negotiating contracts and recovering refunds under one team.