White-label AI growth partner
Whether you are an established agency expanding into AI or a new shop building your first technical offering, I design and deliver the technology under your brand. Strategy, build, delivery, support. You sell. Your clients never see me. I stay your direct point of contact and I am on every implementation myself.
Per-client implementation from $300 after your client pays. Volume support discounts up to 40%. See full pricing
FusionSync is a founder-led white-label AI growth partner for marketing and service agencies. Agency owners offer AI services to existing clients without hiring an AI team. The founder designs custom agents, automations, and sales systems under the agency brand, handles strategy, build, delivery, and support, stays invisible to the end client, and remains the direct point of contact on every implementation.
Shubham Kashyap
Founder · AI growth partner
Top Rated Plus on Upwork
(35+ deliveries)
Deliveries shipped
Active partners
Client value
Every delivery white-labelled · zero attribution to me · NDA standard
Agency owner with a market and a delivery gap
3-day demo on your stack · pitch ready
Tier pricing · only when a client pays
Dedicated software · mutual decision at ~3 clients
Geography × Niche × IP · then Niche × IP globally
White-glove ops or full handoff
Client video testimonial
Guliver Kalamba runs MeisterFlow for Swiss home-service operators. FusionSync built the multi-tenant booking, invoicing, and SEO platform he ships today on app.meisterflow.ch.
Building a SaaS platform is challenging. Shubham consistently came up with smarter, more scalable solutions and was always thinking several steps ahead.
Guliver Kalamba
MeisterFlow owner · Switzerland
Who this is for
FusionSync works with two partner profiles. Both bring a commercial opportunity. We bring the technology.
You are a founder, operator, or vertical specialist launching an AI offer. You have the market knowledge and sales ability. You need the technical layer — product, integrations, infrastructure — built and maintained under your brand.
You already run an agency, consultancy, or service business. Your clients are asking for AI, automation, or software you cannot deliver. You need a white-label technical partner who fulfils invisibly while you keep the relationship.
A market you understand, a niche you can sell into, or clients already asking for a solution. Whether you have paying clients today or are building your first offer, the model works if you can get a business to say yes.
Your clients (or prospects) need AI solutions, automations, or integrations you do not have the team to build. That gap limits what you can sell and how fast you can scale.
One client is a project. Three or more in the same space unlocks the partnership path — dedicated software, volume discounts, ownership milestones. The model gets better as you grow.
Not a fit: speculative ideas with no market validation, or partners who want a referral fee without owning the client relationship.
Two engagement tracks
Track 1: you pay, you own IP from day one. Track 2: we build first, you sell, ownership at revenue milestones. Same delivery quality. Two doors.
Compare tracksThe partnership offer
Don't build a product to start a business. Build a business first, then earn the product.
Watch Shubham explain this on videoStarting point
Agencies that sell or want to sell AI and automation services
You did not start your agency to become a software company. You started because you are good at getting clients results. Whether you already have clients asking for technical work or you are building that offering now, the gap is the same: someone needs to build, deliver, and support the technology under your brand. That is what we do.
Phase 1
A working demo scoped to your vertical and client type, built on the stack your vertical needs — typically GHL, n8n, and the integrations your market runs. The stack is scoped to the vertical, not fixed. You pitch it to your prospects or existing clients. One free POC per vertical. The next free POC unlocks after your first ownership milestone.
Phase 2
Implementation starts only after a client is paying you. Delivery runs on the same shared, generic stack as the POC — nothing custom yet — priced on the standard per-client tiers. This is the proving-demand phase: low investment for both sides, reversible with no sunk cost if the vertical doesn't pan out. Volume discounts apply to monthly support as your active client count grows.
Phase 3
Once you have closed roughly 3 clients in the same vertical on the generic stack, that is the signal demand is real enough to justify dedicated software — a mutual decision, not an automatic trigger. If both sides agree, we build a partner-specific instance (not a shared multi-tenant core) with auth, billing, tenant isolation, and UI under your brand. Those first clients migrate onto it. Every new client from that point onboards directly onto your dedicated software. Phase 2 delivery for you winds down.
Your delivery process and generic technical patterns get reused with new partners in other markets. Your specific domain logic, configuration, and dedicated Phase 3 build do not get reused, ever, without your consent.
Cumulative qualifying revenue received by FusionSync is the canonical trigger. Client counts below are illustrations only — ownership is based on qualifying revenue, not client count. Ownership is optional at each milestone. You can stay on the recurring model indefinitely. Milestones are not all-or-nothing — if you are between stages we will structure something that fits.
$15,000 cumulative qualifying revenue
Own the software for your Geography × Niche × Specific IP. Source code, full deployment rights, and the right to modify independently. Ownership transfer amount (agreed at Phase 3 kickoff) is paid at this milestone. Post-ownership support, development, and third-party running costs follow agreed terms. FusionSync will not take on a direct competitor in your geography for your niche while any paid engagement is active.
We step back from that geography for this niche.
$50,000 cumulative qualifying revenue
Own the software globally for your Niche × Specific IP. Source code, full deployment rights, and the right to modify independently. Ownership transfer amount (agreed at Phase 3 kickoff) is paid at this milestone. Post-ownership support, development, and third-party running costs follow agreed terms. Battle-tested product with a proven client base, not just code.
We replicate the model in the next market with a new partner.
Two clean paths after ownership (or anytime you prefer fulfilment over hiring). Path A is the default most partners choose, since staffing ops is the hard part. Path B is there for agencies that already have technical staff.
Path A
FusionSync stays on as your invisible tech partner. We maintain the product, handle updates, infrastructure, and scaling. Post-ownership maintenance fee (agreed at Phase 3 kickoff, baseline $500/month, scoped to complexity) plus per-client recurring continues. Support fees track active client count and adjust monthly with 30 days' notice either direction.
Path B
Full documentation, codebase handover, and training sessions included in the ownership transfer amount. Clean exit with no ongoing obligation. Additional training at $40/hour.
Either way, you walk away with a tech layer inside your agency that your competitors cannot match.
Division of work
You (the agency owner)
FusionSync (silent tech partner)
Partnership proof
Real engagements where an operator brought demand and we fulfilled the tech layer. Names anonymized where needed.
UK dental marketing agency
Validated dental client acquisition on n8n + GHL + CRM Bridge, then moved toward owned Client Acquisition System software under the agency brand.
AI influencer · Canada
Full software build and handover for an Instagram AI creator monetizing his audience. Product team, architecture, and complete technical handoff so he could sell to his community.
Insider vertical · underwriting
Custom software for real estate underwriting workflows. Patrick brought deep domain knowledge from weeks inside deal documentation and collections. We built the system around how underwriters actually work.
Productized service · ongoing delivery
Vertical SaaS-style engagement with production architecture, integrations, and ongoing build support for a defined niche product.
Built and shipped
Six live products with named founders, countries, and the stacks behind each build. Voice AI, multi-tenant SaaS, CRM automation, and full-stack platforms.
Full-stack logo contest and marketplace platform. Long-term partnership spanning frontend, backend, and ongoing feature delivery for a live Italian SaaS brand.
AI logo generation SaaS for professional designers. Repeat engagement building the full product experience from generation flows to production deployment.
Multi-channel AI sales agent platform with voice, text, and agentic CRM. Fixed-price SaaS build plus ongoing hourly delivery for AgentKong product work.
Multi-tenant booking and invoicing platform for home services. Next.js and Supabase architecture with AI automation hooks, tenant isolation, and Stripe billing.
Domain-led vertical software for real estate underwriting workflows. Custom intake, document handling, and CRM-connected ops built around how underwriters actually work.
Full-stack web application for AI image generation. Fixed-price delivery from scoped MVP through production-ready SaaS surfaces.
Ratings, quotes, and project scope from completed engagements. Unedited screenshots from the platforms where clients left feedback.
AI Sales Bot / Chat Bot | SaaS Web App
5.0 review on a $24,500 AI sales bot and SaaS web app build.
Hourly Rate - AgentKong
5.0 review on 131 hours of AgentKong product work.
Frontend / Full Stack Developer for Long Term Work
5.0 review after 1,754 hours of long-term full stack work.
Full Stack AI Developer for Long Term Work
5.0 review on 679 hours of full stack AI development.
Full Stack Development
5.0 repeat-client review on Hiding Elephant full stack work.
AI Automation Developer - Multi-Tenant Booking & Invoicing Platform (Next.js/Supabase)
5.0 review on a multi-tenant booking and invoicing SaaS build.
AI SaaS Platform for Real Estate
4.0 review on a real estate underwriting SaaS platform.
Web Application Development
5.0 review on a full-stack image generation web application.
What we deliver
Pick the depth you need today. Every layer is built so your clients see your brand, not ours.
GoHighLevel, n8n, webhooks, and CRM bridges into the software your clients already run. Fast per-client rollout.
Custom product your agency resells: auth, billing, tenant isolation, and UI under your positioning.
Onboarding, training, integration setup, and support for each of your clients. We fulfil. You stay strategic.
Why agencies partner with us
We never compete for your end clients. One partnership conversation. You fulfil for every account in your base.
A three-day sales demo on the proven stack before any large software investment. You pitch to your prospects or existing clients. Implementation starts only when someone pays.
UK dental becomes US dental with a new local partner and new integration targets. Same playbook, new market.
Delivery stack
Tech partner
Tech partner · FusionSync
Background on Upwork
You don't need to build a technical team before you can take on technical work. Whether you're an established agency or just getting started, I can provide the technical layer behind your delivery, from building the system to getting it into production.
PolarBuild case studyFAQ
What founders ask before booking a build call: ownership, stack, tiers, and how we differ from generic agencies.
