Custom CRM · ERP · SaaS · AI Automation

Custom CRM, ERP & SaaS development: AI-native software you actually own

Built around the way your business works, owned outright with no per-seat fees, and intelligent from the data model up. And before you spend a dollar, we'll tell you honestly whether you should build at all.

Off-the-shelf software makes you bend your business to its rules. A custom system bends to yours, but only when it's the right call, and only when it's built well. We build the CRM, ERP, or SaaS for companies that have outgrown the box, plus the AI that makes it genuinely smarter: clean data capture, predictive scoring, and workflows that run themselves.

TRUSTED BY TEAMS THAT SHIP

Click any platform to read verified customer reviews.
The honest answer first

Before you build anything, get an honest answer

Here's the uncomfortable truth most development agencies won't say: most companies should not build custom software. If your needs are common, a basic sales pipeline, standard accounting, generic email, a mature off-the-shelf tool with thousands of engineers behind it will beat a custom build that's perfect today and 60% right in two years because nobody maintained it.

We'll tell you that to your face. We've talked clients out of six-figure builds and pointed them at Salesforce or HubSpot, because a partner you can trust on when not to build is the only kind worth trusting on how to build. Custom earns its cost in specific situations. Tap the ones that sound like you, and see where you land.

Select every statement that's true for your business:


Two kinds of buyer, both welcome

Two doors, both the right place: build new, or modernize what you've outgrown

There are only two kinds of buyers here, and both belong with us. Either way, you get an audit first and a recommendation you can trust, not a pitch to build the most expensive thing.

Build from zero

You've never had a real system

You're a startup or a team running the business out of spreadsheets, email threads, and three disconnected tools. We architect and build the CRM, ERP, or SaaS product from a clean sheet, MVP-first, so you get value fast and grow into the rest.

  • Clean architecture and data model from day one
  • A working core in months, not years
  • Built to scale as your team and workflows grow
Scope a new build
Rebuild what exists EXPERTS IN REDESIGN

You've outgrown your current system

It's slow, brittle, expensive to license, or so customized it can't change anymore. We are experts in redesign and redevelopment. We audit what you have, then choose the lightest path that actually solves it, the industry's well-known five R's:

  • Rehost
  • Replatform
  • Refactor
  • Rearchitect
  • Replace

Sometimes the logic is the asset and only the technology underneath needs to change; sometimes a clean rebuild is cheaper than another year of maintenance. We migrate your data without losing it, modernize without a risky big-bang cutover, and free you from the per-seat bill or the legacy stack you've outgrown.

See modernization
Every path starts with the same free audit, and an honest recommendationTell us what you're on today

Services

We implement, customize, connect, and support the CRM, ERP, and SaaS platforms your business runs on.

We work across the major CRM, ERP, and SaaS platforms, plus the integration, migration, and support that keep them running. Pick a capability below to see how we handle it.

Salesforce Consulting & Development

Salesforce implementation, custom development, and support: Sales and Service Cloud configured, extended, and connected to your stack.

HubSpot Implementation & Development

HubSpot implementation that goes beyond onboarding: data migrated, your process mapped, and marketing, sales, and service connected.

Zoho Implementation & Development

Zoho implementation and development across Zoho CRM and Zoho One, with Creator apps and Deluge customization where you need it.

NetSuite Implementation & Development

NetSuite implementation and SuiteCloud development: cloud ERP for finance and operations, set up for multi-entity, growing businesses.

Microsoft Dynamics 365 Implementation

Microsoft Dynamics 365 implementation across CRM and Business Central ERP, extended with Power Platform and tied into Microsoft 365.

Odoo Implementation & Customization

Odoo implementation and customization of the open-source ERP, with custom Python modules built to fit how you work.

CRM & ERP Integration

CRM and ERP integration that keeps your systems in sync, using iPaaS connectors or custom APIs for reliable data flow.

CRM & ERP Migration

CRM and ERP migration to move off legacy tools or spreadsheets, with your records, history, and accuracy kept intact.

CRM & ERP Managed Services & Support

CRM and ERP managed services on a retainer: ongoing administration, enhancements, release management, and optimization after launch.
The difference that matters

AI-native, not AI bolted on

Most "AI CRMs" are a normal database with a chatbot stapled near the edge. That's not what we mean. Because a dedicated AI team builds your system, the intelligence is designed into the data model from day one, and its first job is the boring, decisive one: clean data in.

AI bolted on

A database with forms, plus a chatbot near checkout. The data is still messy, the predictions still guess, and the "AI" is a widget you'd switch off and barely notice.

AI-native

Intelligence designed into the data model from day one, capturing clean data automatically, then scoring, deciding, and acting. Switch it off and the system stops being smart.

~0%
of enterprise software apps will include agentic AI by 2028 (Gartner) *
<1%
the share that included it in 2024, the curve is steep *
0%+
of rushed agentic-AI projects scrapped for unclear ROI by 2027, why we scope AI to provable wins *

Gartner figures, confirm the live source link before publish.

End to end

What's included in a 10Turtle build

A real custom system is more than screens. Here's the full scope we own, from first conversation to long after launch.

  • Discovery & process mappingWe map how data actually flows across sales, service, finance, and operations before a line of code is written. Vague requirements are the number-one reason builds blow their budget; we kill that risk up front.
  • Architecture & data modelClean, deduplicated data structures that support accurate reporting at scale, on cloud-native infrastructure built to grow horizontally.
  • Integrations & APIsConnect the CRM to your ERP, finance, marketing, support, and data tools, one source of truth instead of a fragile web of spreadsheets and manual bridges.
  • Data migrationMoving your existing records cleanly, with integrity checks, so you launch on trustworthy data, not a mess copied forward.
  • Role-based access, encryption & audit loggingSecurity and compliance engineered into the build, the same controls SOC 2, GDPR, and HIPAA auditors actually test, not retrofitted later.
  • Dashboards, reporting & mobileReal-time visibility for leadership and field-ready access for your team.
  • AI modulesPredictive scoring, agentic automation, and generative assists, scoped to specific, measurable outcomes.
  • Maintenance, support & iterationYour business changes; your system changes with it, on a planned roadmap rather than emergency fixes.

Built around your team working in their custom system
Built around you

Built for the way your team already works, not the other way round.

How we build

A process designed to de-risk your investment

Six steps that turn a vague idea into a system your team adopts, with the riskiest decisions made first, on paper, before they get expensive.

  1. 1

    Audit & build-vs-buy Free

    We assess your current systems, data, and workflows and give you an honest recommendation: build, modernize, or buy. This is the free audit.

  2. 2

    Scope & architecture

    We define the MVP, the data model, the integrations, and the security and compliance requirements, with a clear roadmap and budget. Specific specs here are what keep timelines and costs predictable.

  3. 3

    Design & prototype

    UX flows and a clickable prototype your team validates before production code, so we build the right thing once.

  4. 4

    Build, agile sprints, MVP-first

    We ship a working core fast for real-world feedback, then layer on features in prioritized sprints. You see progress every cycle.

  5. 5

    Migrate & launch

    Clean data migration, phased rollout (no risky big-bang cutover), training, and go-live support, so adoption actually sticks.

  6. 6

    Support & iterate

    Ongoing maintenance, monitoring, security patching, and a planned roadmap of enhancements as your business evolves.

Start at step one, book your free audit
Cost, timeline & ownership

What it costs, how long it takes, and why owning beats renting

No two builds are the same, so treat these as planning ranges from current 2026 industry data, not a quote. Your real number comes out of the scoping step, in writing.

Industry planning ranges, to be replaced with 10Turtle's own banded pricing once approved.

Typical investment, timeline, and best fit by build size
Build sizeMVP / core buildMid-range platformEnterprise / AI-rich
Typical investment *~$20K–$40K~$50K–$150K~$150K–$300K+
Typical timeline *~3–5 months~4–8 months~8–12+ months
Best fitA focused first version replacing spreadsheets; core CRM or operations, built to grow.Multiple workflows, real integrations, and custom reporting across teams.Deep ERP integration, predictive ML, multi-team scale, and regulated industries.

What moves the number

Scope & featuresHow much the system does, and for how many teams.
High
IntegrationsDepth and number of systems you connect, about $1.5K–$10K each. *
High
AI / ML modulesGenerative assists or custom predictive models add materially.
High
Data migrationComplexity of the records you bring across, about $3K–$15K. *
Medium
Security & complianceSOC 2, HIPAA, or PCI DSS readiness raises the bar, and the build.
Medium

Why ownership wins, see the break-even

Off-the-shelf SaaS is a per-seat bill that grows with your headcount, forever. A custom system is a one-time asset you own. Drag the sliders to model when owning overtakes renting for your team.

$280K$00Yr 1Yr 2Yr 3Yr 4Yr 5Cumulative cost over timebreak-even
Per-seat SaaS (rented, grows forever)Custom system (owned, one-time + upkeep)
~2.7 yrs
to break even, after that, owning saves ~$84K over 5 years

Illustrative model: assumes ~18%/yr upkeep on the owned system; excludes per-seat price rises and add-on modules, which usually favour owning further. * Your real figures come from scoping.

Why ownership wins

Off-the-shelf SaaS charges per seat, every month, forever, a recurring bill that grows with your headcount. A custom system is a one-time asset you own: the source code, the data, and the roadmap. For teams of roughly 20+ users with real workflows, custom typically becomes the cheaper option within about 2–3 years, and from then on the savings compound. * You're not buying software; you're buying an asset and getting off the rent treadmill.

Why 10Turtle

One accountable partner, a dedicated expert team for each capability

Building custom software touches three disciplines, and most agencies are only good at one. We're built so you don't have to assemble, or manage, a patchwork.

You get the depth of specialists and the simplicity of one accountable partner, no outsourcing, no white-label markup, no finger-pointing when something breaks.

  • One roof, one contract. Three disciplines, a single point of accountability for the whole outcome.
  • The knowledge doesn't walk out the door. The people who build it also support it, unlike a legacy system whose logic lives in one engineer's head.
  • Offices in India, USA, Canada & UAE, specialist depth, global reach, one partner.
Earned trust

A six-figure decision deserves real proof

You're trusting a partner with your customer data, your workflows, and a serious budget. We earn that the way both buyers and AI assistants now verify it, not with a uniform five-star badge, but with proof you can check yourself.

Real, per-platform reviews

Not a single inflated number, strong, checkable ratings on the platforms buyers actually trust.

Trustpilot 4.7 · 34 * G2 4.5 * Clutch & Google *

Security & accessibility, certified

The controls auditors test, engineered into the build, and held to the same standard ourselves.

ISO 27001 *SOC 2-ready *WCAG 2.2 AAGDPR · CCPA · PCI DSS

You own the code & data

The answer that matters most for custom software. Full stop. No lock-in, no hostage situation, no surprise that you can't leave.

Source code: yoursData: yoursRoadmap: yours
Ownership moment showing software your team fully owns
Start here

Start with a free build-vs-buy audit

We look at your current systems, data, and workflows and give you a straight answer, before you spend a dollar.

  • An honest build, modernize, or buy recommendation
  • A scoped budget and timeline you can take to your board
  • A clear next step, and no obligation to hire us
The smart next move pre-CTA visual

What happens next

1Book a short callTell us what you're running today and where it hurts.
2We review your systems & dataWorkflows, integrations, licensing, and the cost of "almost fits".
3You get an honest recommendationPlus a scoped plan if, and only if, a build makes sense.
Get your free audit

No pressure to build the most expensive thing.


09Selected work

Custom systems we've built

Platforms we build on

Peer partnerships across the platforms we build on

Security & compliance, by design

Engineered into the build, not paperwork added later

Role-based access, encryption, and audit logging are the actual controls auditors test. We build compliant, accessible, audit-ready systems for you, and hold ourselves to the same standard.

ISO 27001 *infosec mgmtSOC 2-ready *Type I/IIWCAG 2.1–2.2 AAaccessibilityGDPR · CCPAdata rightsPCI DSSpaymentsHIPAA-ready *healthcare
Explore in depth

Every kind of custom build, in detail

The full range we deliver under one roof, each built around your workflow, owned by you, and intelligent by design.

We build CRMs around your exact sales, service, and customer-data workflow, not a vendor's template you bend to. You own the code and data outright, with no per-seat fees, plus AI-native lead scoring and automation from the data model up. Ideal when off-the-shelf CRMs can't fit your pipeline or per-seat licensing has become punishing at scale.

Unify finance, inventory, operations, and reporting in one system that integrates cleanly with your CRM and the rest of your stack, instead of a fragile web of point-to-point bridges and spreadsheet reconciliations. Built cloud-native to scale, and modeled on how your operation actually runs.

When the software is your business, we build it to ship and sell: multi-tenant architecture, subscription billing, secure user management, and a roadmap from MVP to scale. A dedicated AI, Web, and Branding team turns an idea into a product people trust and pay for.

The admin panels, client portals, and operational dashboards that replace your manual handoffs and spreadsheet workarounds, shadow systems quietly cost real money in labor and errors. We build the tooling your team actually wants to use, integrated with everything else you run.

Outgrown your current system? We audit it and choose the lightest path that solves it, rehost, replatform, refactor, rearchitect, or replace, then modernize without a risky big-bang cutover. We are experts in redesign and redevelopment; sometimes a rebuild costs less than another year of maintaining technical debt.

We connect your CRM, ERP, finance, marketing, and support tools into one source of truth, so data flows automatically instead of being re-keyed across silos. Clean integration is what makes accurate reporting, and reliable AI, possible.

Moving from a legacy system or an off-the-shelf tool, we migrate your records with integrity checks and de-duplication so you launch on data you can trust. Clean data in is the foundation everything, especially AI scoring and forecasting, is built on.

Beyond storage: automatic data capture, predictive lead scoring and churn prediction, agentic workflows that qualify and follow up on their own, and next-best-action prompts that tell your team what to do now. AI built into the system by a dedicated AI team, not a bolt-on chatbot.

If Salesforce, HubSpot, or Zoho has become expensive, rigid, or bloated as you scale, we build a system you own that does exactly what you need and nothing you don't, and we migrate you off the per-seat bill without losing your data or history.


10

What platform owners say

Mixed-format proof, written, audio and video, so it lands while interest is high.

Straight answers

Custom CRM, ERP & SaaS, your questions, answered

Buy off-the-shelf if your needs are common, standard pipeline, generic email, basic reporting, because a mature tool with thousands of engineers behind it will beat a custom build you have to maintain alone. Build custom when your workflow is genuinely unique, per-seat licensing has become punishing at scale, you need deep CRM-to-ERP integration off-the-shelf can't do cleanly, or the software is your competitive edge. We start every engagement with a free audit and will tell you honestly which applies to you.

As planning ranges from current industry data: a focused MVP runs roughly $20K to $40K, a mid-range platform $50K to $150K, and an enterprise or AI-rich system $150K to $300K and up, plus data migration (about $3K to $15K) and integrations (about $1.5K to $10K each). The biggest cost drivers are scope, number and depth of integrations, AI and ML modules, and compliance requirements. Your exact figure comes from the scoping step, in writing.

A core MVP is typically 3 to 5 months; a mid-range platform 4 to 8 months; an enterprise or regulated build 8 to 12 months or more. We build MVP-first in agile sprints so you get a working core early and add features in priority order. The single biggest cause of delays is vague requirements, which is exactly what our discovery and scoping step eliminates.

You do, fully. You own the source code, the data, and the roadmap, with no per-seat fees and no vendor lock-in. That's a core difference between owning a custom system and renting off-the-shelf SaaS, and it's non-negotiable in how we work.

Off-the-shelf SaaS is a recurring per-seat bill that grows with your headcount, forever. A custom system is a one-time asset you own. For teams of roughly 20 or more users with real workflows, custom typically becomes the more economical option within about 2 to 3 years, and the savings compound after that.

We're experts in redesign and redevelopment. We audit what you have and choose the lightest effective path, rehost, replatform, refactor, rearchitect, or fully replace, then modernize and migrate your data without a risky big-bang cutover. Often a clean rebuild costs less than another year of maintaining a brittle legacy system and its growing technical debt.

No. AI-native means the intelligence is designed into the data model from day one by a dedicated AI team. It starts with automatic, clean data capture (because AI is only as good as its data), then adds predictive lead scoring and churn prediction, agentic workflows that qualify and follow up on their own, and next-best-action guidance for your team. We scope AI to specific, measurable outcomes, not hype.

Yes, integration is core to what we build. We connect your CRM, ERP, finance, marketing, and support systems into one source of truth so data flows automatically instead of being re-keyed across silos. Clean integration is also what makes accurate reporting and reliable AI possible.

Security and compliance are engineered into the build, not bolted on. We implement the controls auditors actually test, role-based access, encryption, and audit logging, and build to SOC 2, GDPR, CCPA, PCI DSS, and (for healthcare) HIPAA readiness as your situation requires.

We do. The team that builds your system also supports it, ongoing maintenance, monitoring, security patching, and a planned roadmap of enhancements as your business changes. The knowledge stays with us, so it doesn't walk out the door the way it does when a legacy system lives in one engineer's head.

No obligation

Find out what to build, or whether to build at all

Start with a free audit. We'll look at your current systems, data, and workflows; tell you honestly whether to build, modernize, or buy; and if a build makes sense, scope it with a realistic budget and timeline you can take to your board. No pressure to build the most expensive thing, just a clear, expert read on the smartest next move.