Replace Scheduling Overhead with Strategy 

 and Win More Bids Without Burning Out Your Team

When the RFP drops, time is short. Your scheduling team is maxed out. You don’t have an internal scheduler available — or worse, you're asking your field team to hack together a Gantt chart in Excel.

Flagstone Services is your plug-and-play proposal scheduling partner, delivering professional-grade CPM schedules designed to win technical reviews, impress owners, and stand out in interviews — all without the cost or headache of hiring staff.

Streamlined Scheduling for Superior Proposals

At Flagstone Services, LLC, we understand that the proposal process can be overwhelming. Our commitment to excellence means we handle every detail of the proposal scheduling process, allowing you to concentrate on what matters most: the quality of your content. Our expert team will optimize your proposal timeline, ensuring that all deadlines are met efficiently. With our streamlined scheduling services, you can trust that your proposals will be submitted on time, improving your chances of success in a competitive landscape. Let us take care of the complexities while you focus on creating impactful proposals that resonate with your audience.

Who We Work With

  • General Contractors pursuing heavy civil, industrial, or infrastructure bids
  • EPC & CM firms competing for design-build and public sector work
  • Subcontractors chasing multi-million dollar packages
  • Proposal teams who can’t afford to guess on schedule credibility

Why Clients Choose Flagstone

No full-time scheduler required — we eliminate internal overhead

Fast turnaround to match your pursuit timelines


Owner-facing deliverables that speak the language of reviewers


Flat-fee pricing with no surprises (for contract scope)


Led by a scheduler with 15+ years on multi-billion dollar projects

Our Proposal Scheduling Packages Include

Critical Path Method (CPM) schedule in Primavera P6 or MS Project

Custom milestone structure based on the RFP and scope

Strategic sequencing logic for field realism

Proposal-ready schedule narrative

Visuals & phase diagrams for interviews or graphics teams

Live review session with your precon or estimating team

When to Engage Us

  • Before Submitting a Bid – When you need a professional, contract-compliant schedule that strengthens your proposal and sets you apart from the competition.
  • During Competitive Pursuits – If your internal teams are at capacity and you need to keep them focused on ongoing work while we handle the schedule.
  • For Complex or Multi-Partner Bids – When your project involves multiple contractors, suppliers, and design teams that require an integrated, well-coordinated timeline.
  • To Improve Win Probability – When your past proposals have lost points due to unclear, unrealistic, or incomplete schedules.
  • When Time is Tight – If you’ve got days (or hours) before submission and need expert schedule support without sacrificing quality.

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