Enterprise Architecture Consultancy

Build an EA
practice that
outlasts
any single architect.

HighGrain partners with organisations to establish, mature, and sustain enterprise architecture practices — using the AMBIT framework, grounded in empirical research.1 We build your practice, then stay in shadow mode to protect it.

Start a Conversation See how it works →

HighGrain by the numbers

6
AMBIT domains — fully defined and practice-ready
1st
cohort of engagements now forming — contact us
100%
AMBIT — not generic IT consulting
0
practices lost to an architect departure

Accepting first engagements  ·  AMBIT-specialist from day one

Scroll to explore
The Reality

Most EA initiatives fail for the same reasons.

  • 01

    The lone architect problem. One talented architect builds everything. They leave. The practice collapses. Two years of governance cadence, stakeholder trust, and institutional knowledge — gone in a resignation letter.

  • 02

    Framework theatre. Organisations invest in TOGAF or Zachman training, produce elaborate artefact taxonomies, and discover no one uses them. Prescriptive frameworks rarely produce working EA practices.

  • 03

    Architecture divorced from delivery. EA teams that produce documents without governing initiatives become irrelevant. IT proceeds without them. Business never engages. The function is quietly defunded.

  • 04

    Maturity without a roadmap. Organisations know their EA practice is immature. They don't know which investments to make first, in what sequence, or how to know when they've made genuine progress.

The Method

Built on what actually works in EA practices.

AMBIT is HighGrain's proprietary practice framework, grounded in empirical research into what distinguishes successful enterprise architecture practices from unsuccessful ones.1 It is not a prescriptive methodology — it is a structured set of six interlocking practice domains that together produce a functioning, mature EA practice.

Every HighGrain engagement begins with an honest maturity assessment, then establishes AMBIT's domains in a sequenced, pragmatic programme of work calibrated to your organisation's size and context.

Download the AMBIT Overview →
  • A1

    Alignment Matrix

    The complete artefact set — six types, 24 subtypes — curated for your context. Frequency classification ensures effort is proportional to value.

  • A2

    Alignment Models

    The strategic artefacts — Business Capability Models, Roadmaps, Target States, Business Factors — that connect IT investment to business direction.

  • A3

    Alignment Management

    Three governance processes — Strategic, Initiative, and Technology Alignment — that give architects a defined role in every initiative lifecycle.

  • A4

    Alignment Meetings

    Governance forums scaled to your organisation's size — from a single Architecture Forum to multiple specialised forums — with the D-E-A meeting pattern and Decision Log at every level.

  • A5

    Alignment Mechanics

    The tools and techniques — templates, repositories, straw-man architecture, architecture debt — that make the practice operable day-to-day.

  • A6

    Alignment Maturity

    A three-stage maturity model with annual review cadence — so your practice continuously improves and leadership can see measurable progress.

Services

What we do with you.

HighGrain provides three interlocking services — calibrated to where you are in your practice journey. Most long-term clients move through all three: consulting to build the practice, a retainer to sustain it, and the agency to make it permanently self-sufficient.

01 / 03

Practice Consulting

We establish and mature your EA practice from the ground up using AMBIT. Our consultants work with your leadership to design governance, initiate the three alignment processes, build the artefact set, and reach Stage 2 maturity.

AMBIT AssessmentWave PlanningGovernance DesignArtefact BootstrappingMaturity Reviews

02 / 03

Active-Passive Retainer

Your in-house EA runs the practice in active mode. HighGrain stays in passive shadow mode — maintaining full institutional knowledge of your practice, ready to step in immediately if an architect departs, a governance crisis emerges, or the practice needs reinforcement. Continuity without dependency.

Shadow ModeDeparture CoverPractice ContinuityGovernance BackstopOn-Call Reinforcement

03 / 03

EA Agency & Training

When you're ready to build permanent in-house capability, HighGrain acts as your specialist EA recruiter and training partner. We know what good looks like — and we'll find it, vet it, and ensure new hires are effective in your AMBIT practice from day one.

EA Specialist HiringSA HiringAMBIT TrainingArchitect OnboardingCandidate Vetting
Process

A six-wave journey to a mature, self-sustaining practice.

Every HighGrain engagement follows AMBIT's proven wave structure. Each wave has clear entry criteria, defined deliverables, and a "done when" definition. Progress is never ambiguous.

1

Wave One · AMBIT-3

Alignment Mechanics

Establish the artefact repository and produce the first Business Factor. Define templates, naming, and version-control conventions.

2

Wave Two · AMBIT-5

Alignment Models

Produce the first Business Vision and IT Landscape. Establish visual conventions and the baseline current-state model.

3

Wave Three · AMBIT-1

Alignment Matrix

Stand up the first Governance Forum sized to your organisation. Establish the D-E-A pattern and Investment Gate process.

4

Wave Four · AMBIT-4

Alignment Management

Activate Initiative Alignment end-to-end. Every material initiative now produces a Business Outline and IT Design before approval.

5

Wave Five · AMBIT-2

Alignment Meetings

Mature the forum structure. Add Technology Alignment — Debt Register, IT Standard maintenance, and closed-loop governance.

6

Wave Six · AMBIT-6

Alignment Maturity

Annual Practice Review against the Five Questions model. Publish maturity results to leadership. Establish the improvement backlog.

Governance · Scaled to Size

One forum or many — the structure fits your organisation.

Governance forum structure is not one-size-fits-all. Based on Svyatoslav Kotusev's empirical research across hundreds of organisations, the number of forums, their functions, and the artefacts they govern scale predictably with the size of the IT function. AMBIT implements this scaling model so your governance is always right-sized — never under-governed, never bureaucratically over-engineered.

1
Governance forum
covering all four functions
One-tier EA function
4–5
Architects (≈ 4–5% of total IT staff)
Architects mix EA and SA responsibilities
Governance procedures at every tier
Approval of new artefacts
Amendment of approved artefacts
Exemption from plans
Escalation paths

Source: Kotusev, S. — Enterprise Architecture Function on a Page (v1.0, 2025) · eaonapage.com

Architecture Forum All functions
Governs · All EA artefact types
A single forum combines strategic, technology, investment, and design governance. Chaired by the most senior architect. Attends all meaningful initiative and technology decisions. The D-E-A pattern applies to every session. Practical and fast for small organisations — avoids forum overhead where it adds no value.
AMBIT recommendation Wave 3+
Stand up the Architecture Forum in Wave 3. Start with monthly cadence and Investment Gate as the first formal governance act. Add Technology Alignment governance in Wave 5 as the same forum matures. Resist pressure to create separate forums before the practice has the artefact volume to justify them.
2
Governance forums
separating strategy/investment from technology/design
Two-tier EA function (simple)
16–20
Architects (Enterprise Architects + Solution Architects)
Clear separation of EA and SA responsibilities
Governance procedures at every tier
Approval of new artefacts
Amendment of approved artefacts
Exemption from plans
Escalation between forums

Source: Kotusev, S. — Enterprise Architecture Function on a Page (v1.0, 2025) · eaonapage.com

Strategy & Investment Forum Strategy · Investment
Governs · Business Factors · Business Visions · Business Outlines
Chaired by a senior Enterprise Architect. Reviews strategic artefacts and approves Business Outlines at Investment Gate. Business leaders and executive sponsor attend. Sets the direction that the Technology Forum must operate within.
Technology & Design Forum Technology · Design
Governs · IT Standards · IT Landscapes · IT Designs
Chaired by a senior Enterprise Architect or Solution Architect Lead. Reviews technical standards, landscape currency, and approves IT Designs at Design Gate. Escalates exemptions to the Strategy Forum where strategic implications arise.
AMBIT recommendation Wave 3–5
Start with one forum in Wave 3 and split into two in Wave 5 when artefact volume warrants it. The split should follow the natural separation of your Enterprise Architects (who drive strategy) from your Solution Architects (who drive delivery governance). Don't split prematurely.
4
Governance forums
with specialised functions
Two-tier EA function (complex)
32–40
Architects across both EA and SA tiers
Dedicated domain architects emerging
Governance procedures at every tier
Approval of new artefacts
Amendment of approved artefacts
Exemption from plans
Escalation between forums

Source: Kotusev, S. — Enterprise Architecture Function on a Page (v1.0, 2025) · eaonapage.com

Strategy Forum Strategic
Governs · All Business Factors · All Business Visions
Sets the enterprise-wide architectural direction. Chaired by the Chief Enterprise Architect. Attended by CIO and senior business stakeholders. Meets quarterly or on strategic trigger.
Investment Forum Investment
Governs · All Business Outlines (Investment Gate)
Approves business cases for IT initiatives. Ensures every initiative is strategically aligned before funding is committed. Attended by business sponsors, finance, and senior Enterprise Architects.
Technology Forum Technology
Governs · IT Standards · IT Landscapes (by domain)
Maintains the technology standards estate and landscape currency. Typically organised by technology domain (Applications, Data, Infrastructure, Security). Chaired by Enterprise Architects per domain.
Design Forum Design (Project)
Governs · IT Designs (Design Gate, by delivery zone)
Reviews and approves IT Designs before projects proceed to build. Organised by delivery zone or programme. Chaired by Solution Architects. Escalates standard exceptions to the Technology Forum.
Many
Forums — multiple instances of each function, organised by business area or domain
Three-tier EA function
64–80+
Architects across three tiers (Enterprise, Programme-Level, Solution)
Domain specialisation across all architecture disciplines
Governance procedures at every tier
Approval of new artefacts
Amendment of approved artefacts
Exemption from plans
Escalation between forums

Source: Kotusev, S. — Enterprise Architecture Function on a Page (v1.0, 2025) · eaonapage.com

Strategy Forums Strategic · per area
Governs · Business Factors · Business Visions (per business area or domain)
Multiple strategy-level forums, each covering one major business area or division. Strategy-Level Enterprise Architects chair each. Enterprise-wide architectural decisions escalate to a group of senior EAs or Chief Architect.
Investment Forums Investment · per area
Governs · Business Outlines (Investment Gate, per business area)
One forum per major business area. Programme-Level Enterprise Architects lead. Strategic planning and technology optimisation for their sub-domains. Escalation path to the Strategy Forum for cross-area implications.
Technology Forums Technology · per domain
Governs · IT Standards · IT Landscapes (per technology domain)
Separate forums per domain: Applications, Data, Integration, Infrastructure, Security. Domain Enterprise Architects chair each. Prevents bottleneck of all technology decisions through a single forum at enterprise scale.
Design Forums Design · per zone
Governs · IT Designs (Design Gate, per delivery zone)
Multiple design-review forums, each covering a delivery zone, programme, or technology domain. Classic Solution Architects chair each. Volume of IT Designs at enterprise scale makes a single Design Gate a bottleneck — this structure prevents it.
Engagement Models

Structured for your context.

HighGrain's engagement models are calibrated to where your organisation sits — whether you're starting with no EA practice, rescuing a stalled one, or consolidating gains and building permanent capability. All models include the practice continuity guarantee.

Starting Point

Foundation Engagement

For organisations with weak or non-existent EA practices. We establish core practice infrastructure through Waves 1–3, typically over 9–12 months.

  • HighGrain lead architect (fractional, 2–3 days/week)
  • Initiative Alignment process design and launch
  • Both governance forums established and operating
  • All six artefact types templated and in active use
  • Technology Reference Model and first Landscape produced
  • Stage 1 → Stage 2 maturity transition

Ongoing Retainer

Active-Passive Retainer

Your EA team runs the practice. HighGrain stays in shadow mode — fully briefed on your artefacts, governance forums, and people — ready to provide immediate reinforcement when it matters.

  • Monthly practice health check (remote, 2–3 hours)
  • Full read access to artefact repository and decision log
  • Immediate activation on architect departure or governance disruption
  • Annual AMBIT Practice Review with maturity scoring
  • Priority access to HighGrain architects for surge capacity
  • Gateway to EA Agency when you are ready to hire permanently

Intensive

Rescue Engagement

For organisations where a previous EA investment has stalled or an architect departure has created a gap. We stabilise, assess, and rebuild momentum in 90 days.

  • Rapid AMBIT maturity assessment (2 weeks)
  • Full-time HighGrain architect for the first 8 weeks
  • Governance cadence re-established within 30 days
  • Architecture debt and artefact audit
  • Transition plan to Foundation or Sustaining model
  • Stakeholder re-engagement programme
Why HighGrain

We are not generalist consultants who do EA on the side.

HighGrain was founded to solve one problem: EA practices that are fragile, person-dependent, and disconnected from delivery. Every methodology, every consultant, every training programme we offer is oriented to that single problem.

We use the AMBIT framework because the underlying research1 is the only empirically-grounded body of knowledge about what actually makes EA practices work. Not theory. Not certification bodies. Evidence from observing real practices across hundreds of organisations.

Practice continuity is our core product

Every engagement includes a formal continuity guarantee. If your lead architect leaves tomorrow, your governance meetings still run next week. HighGrain fills the gap immediately — not after a 3-month hiring process.

Empirically grounded, not methodology theatre

AMBIT is built on peer-reviewed research,1 not framework vendor marketing. Every element — artefact types, process properties, governance structures — has empirical evidence behind it.

We measure maturity, not activity

Our maturity model tracks five executive-level outcome questions — not artefact counts or meeting attendance. Leadership can see whether the practice is producing business value or just consuming it.

Deep EA specialists, not broad IT generalists

Every HighGrain consultant has operated inside a mature EA practice — not just advised from the outside. They know how to run a governance meeting, what makes a good Business Outline, and how to build trust with a sceptical business executive.

About HighGrain

A specialist EA consultancy built on one conviction.

HighGrain EA Consulting is based in British Columbia, Canada. We were founded on a single conviction: that enterprise architecture practices fail not because of the methodology, but because they are built around individuals rather than institutions.

We exist to reverse that. Every engagement — whether a practice build, a shadow retainer, or a permanent hire — is designed to produce an EA practice that is durable, documented, and resilient to the inevitable turnover that affects every organisation.

Our practice framework, AMBIT, is grounded in the empirical EA research of Svyatoslav Kotusev — the most extensive study of what actually works in real EA practices. We do not sell frameworks. We apply evidence.

Start a conversation

Specialist, not generalist

We only do enterprise architecture. Not digital transformation strategy, not project delivery, not IT consulting. EA — from governance design to artefact production to maturity measurement.

Exit-oriented by design

The goal of every engagement is to make HighGrain unnecessary. We build the practice, transfer the knowledge, and move to a passive shadow retainer — present only when needed.

Evidence, not opinion

AMBIT is derived from peer-reviewed empirical research into how successful EA practices actually develop — not from consulting convention or vendor frameworks.

BC-based, globally delivered

Headquartered in British Columbia, Canada. We work with organisations across North America, the Middle East, and beyond — wherever a leadership team is serious about building a durable EA practice.

Our Consultants

Practitioners who have run EA practices — not just advised on them.

Every HighGrain consultant has operated inside a functioning EA practice: producing artefacts, chairing governance forums, managing stakeholder relationships, and building institutional knowledge. The measure we apply is simple — would we trust this person to run a client's EA practice on their own?

J'Dan (JD) Garing — Principal Enterprise Architect

J'Dan (JD) Garing

Principal Enterprise Architect

British Columbia, Canada

Contact JD LinkedIn →

23+ years of enterprise and solution architecture experience across financial services, real estate, e-commerce, and infrastructure. JD has led governance design, managed multi-cloud transformations, facilitated 50+ architecture governance forums, and built reusable architecture programmes from the ground up. He is the founder of HighGrain and the principal architect behind AMBIT's practical implementation.

Experience

Enterprise Architect Aug 2025 – Present
Aldar Properties · Abu Dhabi, UAE

Built EA governance model and intake-to-decision operating cadence (75%+ routed via defined paths, ~2 weeks to decision). Implemented standardised solution design governance with ~2-week approval cycle and 55% first-pass approval rate.

Principal Enterprise Architect Apr 2021 – Present
HighGrain EA · Vancouver, BC

Multi-cloud and on-premises architecture across 10+ enterprise systems. 45% increase in stakeholder engagement, 20% reduction in design review cycles, 30% increased architecture reuse. Led post-merger IT integration achieving 124K CAD annual savings.

Enterprise Architect Sep 2016 – Jun 2025
Central 1 Credit Union · Vancouver, BC

Baseline architecture mapping for 50+ system integrations. Facilitated 50+ architecture governance forums with 90% stakeholder consensus. Defined target states for 8 high-value capabilities, reducing risk exposure by 30%.

Solution Architect Jun 2009 – Aug 2016
Gevity Consulting · Vancouver, BC

Hybrid cloud and data centre architectures for 3 clients, achieving 99.95% availability. 25+ architecture design workshops, 12 documented blueprints. Data centre modernisation reducing physical footprint by 50%.

Education & Certifications

MSc in Digital TransformationUniversity of Hull · 2027
PGD in Information Technology (Level 6)BCS, The Chartered Institute for IT · 2023
TOGAF v9The Open Group · 2022
LeanIX PractitionerSAP · 2024
ITIL v4PeopleCert · 2024

Core Capabilities

TOGAF AMBIT LeanIX Architecture Governance Initiative Alignment Artefact Production Stakeholder Engagement Azure · AWS · GCP Multi-Cloud Architecture EA Maturity Assessment Archimate · EA Sparx Strategic Planning Digital Transformation ISO 20000 SOA · Microservices MuleSoft · ESB
EA Agency

When you're ready to build the permanent team.

The goal of every HighGrain engagement is to make itself unnecessary — to build an in-house practice that is capable, self-sustaining, and resilient. When that moment arrives, we become your specialist recruitment and onboarding partner.

We know what EA specialists look like at different career stages. We vet not just technical competence but the interpersonal and political skills that determine whether an architect succeeds in your organisation.

Discuss a Hiring Brief

Hire

EA Lead / Head of Architecture

Senior practitioners capable of running a full AMBIT practice, owning governance, and maintaining executive stakeholder relationships.

Hire

Enterprise Architect

Experienced architects comfortable working across Strategic and Initiative Alignment with both business and IT stakeholders.

Hire

Solution Architect

Technical specialists who can produce IT Designs, own Technology Alignment, and operate within a governed EA practice.

Train

AMBIT Practitioner Programme

Structured training for your existing architects across all six AMBIT domains, artefact production, and governance facilitation.

Get Started

Your next architect
departure doesn't
have to matter.

Let's talk about where your EA practice is today and what it needs. Whether we're building from scratch, stepping in after a departure, or moving to an active-passive retainer — we have a model for your situation.

Email HighGrain Book a discovery call →

References

  1. 1 The AMBIT framework is grounded in the empirical research of Svyatoslav Kotusev, including The Practice of Enterprise Architecture: A Modern Approach to Business and IT Alignment (2nd ed., 2023) and Enterprise Architects: The Agents of Digital Transformation (2023). Kotusev's work represents the most extensive empirical study of EA practice to date. Full bibliography and working papers at kotusev.com.