Fast Delivery
Show MoreClose at 4:00pm
To: Friday
Win Tenders with Confidence
The Number One Tender Documentation Experts in Kenya
Over 10,000 successful clients. Our team of engineers, auditors, advocates, and technical experts prepares winning tenders — even under tight timelines.
Why Choose Zessco International?
With 80% of tenders being disqualified before reaching the financial stage. Our deep technical expertise ensures that your bid submission checks all the boxes for compliance right from the start.
Built for Urgent Deadlines
With a capable and dedicated team, we deliver high-quality tender submissions even under tight timelines. This is made possible by adequate professionals and personnel who are ready to work around the clock to deliver.
Powered by Professionals
Our team isnt just made up of writers we bring together engineers, legal advisors, procurement specialists, auditors, and graphic designers to create technically sound, visually compelling documents.
We Stick With You
Our support extends beyond submission. We assist with acceptance letters, guide you through contract signing, and offer expert advice on performance guarantees to help you secure the deal with confidence.
Beginner-Friendly Approach
New to tendering? We walk with you every step of the way, equipping you with the tools and guidance you need to compete and succeed.
Complete Compliance
From KRA to NCA, we help ensure you meet every requirement and stay tender-ready year-round.
Your Success, Our Priority
Zessco doesnt just help you apply; we strategize with you, positioning your bids to stand out and win.
“At Zessco, we don't just help you apply: We position you to win.”
Our Tender Services
Tender Documentation
Technical Input (Engineering/Specs)
Legal Review & Compliance (Advocates)
Financial Audits & Statements (CPA Auditors)
Formatting to Tender Standards
Tender Submission & Delivery Support
Aftercare: KRA, Trend Updates, Feedback
Bid Compilation
Filling of Bill of Quantities
Preparation of Audited Accounts
Online E.G.P Tendering Services
Graphic Design
New or Experienced — We've Got You
First-Time Applicants
We help you qualify & guide you step-by-step
Growing SMEs
Upgrade your documentation & win bigger contracts
Established Firms
High-volume tender production + expert handling
Specialists/Subcontractors
Technical documents & partnership support
You Don't Have to Be Ready, You Just Need Zessco
We've helped over 10,000 clients win tenders across Kenya. Whether you're just starting or under pressure, Zessco gives you the expertise, speed, and support to win.
Other Services
1. Tender Documentation
We specialize in preparing complete, customized tender documents that comply with the latest requirements of public and private procuring entities. Our team consists of expert engineers, legal advisors, financial analysts, and compliance officers who work together to deliver well-structured and competitive documents.
2. Compliance Support
We help you secure and maintain all key compliance documents, including KRA tax compliance certificates, NCA registration, NEMA approvals, HELB clearances, and more. Our service includes tracking deadlines and renewals so you're never disqualified due to expired documents.
3. Bid Submission Assistance
We guide you through online tender platforms like IFMIS, KPLC, or eCitizen, ensuring your documents are uploaded correctly, digitally signed if necessary, and submitted before the deadline, including urgent last-minute uploads.
4. Post-Tender Support
We help track bid progress, respond to clarification requests, and prepare post-award documents such as bid bonds, performance guarantees, and award acceptance letters.
5. Company Profile Preparation
Professional company profiles that tell your story, highlight your experience, and build trust with evaluators.
6. Graphic Design Services
High-quality graphic design for proposal layouts, logos, and company branding to enhance your professional image.
7. Website Development
Clean, credible website development to give your business an online presence that attracts opportunities.
8. Secretarial Services
Company secretarial services to help with registrations, CR12s, and shareholder structures.
Join 10,000+ Winning Clients
Don't just take our word for it — here's what our clients say
“Zessco helped me win a 5M KEMSA supply contract. They worked fast and professionally.”
Susan M., Nairobi
“I was late and stressed. Zessco got my tender ready in 2 days. I was shortlisted.”
Brian O., Nakuru
“From zero documents to submission in 3 days — and I WON. Thank you Zessco.”
Kevin T., Eldoret