​At The Sidylle Group Ltd., we are experienced bid consultants, proudly supporting businesses across the UK and internationally to win competitive tenders. As a leading Bid Writing and Proposals Management Consultancy, we deliver high-quality bid writing services, bid management, proposal development, bid content library creation and bespoke bid writing training for businesses across the UK and globally. We also provide corporate writing services (policies, procedures, reports etc.).

 

With over 18 years of experience and an exceptional bid win rate of over 90%, we've successfully helped SMEs, large corporations and multinational clients with public sector tenders, private sector contracts and complex bidding strategies across a range of industries. From single submissions exceeding £500 million to a combined bid value of several billion pounds, we’ve helped clients secure transformative contracts.

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We are committed to winning, every time. Every proposal is tailored, compliant and aligned with scoring criteria to maximise your chances of winning. As one of the UK’s most trusted bid writing consultancies, we’ve earned our reputation as one of the most reliable and results-driven bid writing experts and will support you through the entire tender process—from strategy and storyboarding to submission and feedback. We would love to help your business too.

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​​​Our Bid Support Services Include:

• End-to-end Bid Management & Strategy

• High-impact Tender Writing & Editing

• Development of reusable, high-quality Bid Content Libraries

• Professional Editorial Services for tenders and proposals

• Bid Audits, gap analysis & performance reviews

• Customised Bid Writing Training for in-house teams

• Full Bid Planning, including timelines, milestones & writing schedules

 

Whether you're bidding for your first local contract or a multi-million-pound global tender, The Sidylle Group Ltd. is your trusted partner for winning bids. Ready to increase your win rate? Contact us today at info@thesidyllegroup.com to discuss further.