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01 Service · Custom Development

Built for your workflow. Not adapted from someone else’s.

Off-the-shelf software stops working where your edge begins. For the scoring engines that carry your competitive advantage, the workflows no SaaS vendor will customise, and the regulated decisions a reviewer has to read line by line — you need code engineered from scratch.

I The Service

Bespoke software, and the model that survives audit.


We build tailored software and AI systems for requirements that cannot be addressed effectively with standard tools. Our custom engagements combine senior engineers, domain-adapted AI / ML models and production MLOps. We build where it matters — bespoke scoring and risk engines, proprietary recommendation systems, regulated decisioning models, industry-specific platforms and AI-embedded core systems. The IP stays with you: models, weights, training data, code.

We do not supply superficial sandboxes. We deploy production systems that pass strict regulatory reviews.

II The brief

The questions clients arrive with.


Four architectural requirements that demand bespoke development frameworks. If your primary operational obstacle requires clear, tailor-made engineering, our interaction initiates around a technical feasibility summary rather than high-level slides.

/ 01

"Our scoring engine is the competitive edge."

You cannot buy it without flattening it. We build the model around your data, your features and your decisioning rules, with explainability the regulator can read line by line.

/ 02

"Three SaaS vendors have tried to retrofit our workflow and failed."

The workflow was the problem; the vendor product was always going to fight it. We build to the workflow, not around the product roadmap.

/ 03

"A regulated decision model requires explainability we do not have."

Black-box models do not survive audit. Every model ships with a model card, SHAP / LIME explanations, lineage and a challenger baseline — and a kill-switch the regulator knows the name of.

/ 04

"A horizontal vendor will never match our domain."

Fraud detection tuned to your customer base, imaging tuned to your modality, NLP tuned to your jargon. The horizontal vendor never gets to the last twenty percent. We build that twenty percent.

III Key capabilities

Ten capabilities. One framework.


A custom engagement is a model, a pipeline, an API, a console and an operator workflow — built by one accountable team. Filter by layer to see what fits the brief.

01

Bespoke AI / ML model development

Deterministic machine learning, specialised deep learning layers, custom fine-tuned LLMs, and hybrid algorithmic frameworks. We implement the technical architecture that stands up to target evaluation datasets, bypassing generic leaderboard metrics.

Classical ML Deep learning Fine-tuned LLMs
02

Scoring & recommendation engines

Domain-focused quantitative ranking, predictive scoring, and behavioral recommendation frameworks. Your proprietary market edge, transformed into secure software.

Risk scoring Pricing Recommendation
03

Custom platform backends

Robust processing microservices, secure API routing, and high-performance multi-tenant backend architectures. The heavy engineering that powers automated processing at enterprise scale.

APIs Data services Multi-tenant
04

Production MLOps

Continuous system training pipelines, validation routines, containerized deployment, data drift tracking, and automated retraining workflows. Operational runbooks handle system exceptions seamlessly to prevent production downtime.

MLflow SageMaker Vertex AI
05

Explainability & audit

Algorithmic documentation logs, SHAP / LIME trace values, database ancestry paths, and parallel baseline models. Every compliance-facing deployment delivers a complete verification framework.

Model cards SHAP/LIME Challenger
06

Secure deployment

Private cloud infrastructure, on-premises virtualization, air-gapped secure networks, and sovereign cloud environments. The architectural environment matches your strict compliance mandates rather than simple convenience.

Cloud On-prem Air-gapped

“The code assets remain yours. The weights remain yours. The model training archives remain yours. Your core intellectual property never leaks through a back door.

Talk to an engineer
IV Tech stack

The tools we build with.


An active summary of the programming tools and frameworks we transition into live production environments. Standard algorithmic libraries for high-stakes analytical work and modern language learning components for generative execution—aligned strictly to what fulfills your engineering evaluation datasets.

Filter
/ AI

Models & foundations

Traditional machine learning where it outpaces large model processing, and language models where they demonstrate clear operational utility.

PyTorch TensorFlow scikit-learn XGBoost LightGBM Hugging Face LoRA / PEFT Anthropic OpenAI AWS Bedrock Azure OpenAI
/ AI

MLOps

Enterprise-grade model training orchestration, baseline evaluation, microservice container deployment, and active data drift observability.

MLflow Kubeflow SageMaker Vertex AI Azure ML Feast Tecton
/ Backend

Services, APIs, persistence

The structural system boundaries reviewed by compliance teams, featuring event-sourced patterns where enterprise security requires it.

Python Go Node.js Java FastAPI Spring NestJS PostgreSQL Kafka Redis
/ Frontend

Operator dashboards

Specialised monitoring portals engineered for the technical teams overseeing system integrity, rather than basic customer UI widgets.

React Next.js TypeScript Tailwind
/ Cloud

Hosting, scale, governance

Deployed natively within your cloud perimeter or our secure clusters; available for localised on-premises or fully isolated air-gapped infrastructure.

AWS Azure GCP On-premises Air-gapped
V Business outcomes

The numbers after the audit.


Performance milestones measured precisely the way risk management directors and auditors validate metrics—evaluated against holdout datasets, compared directly to parallel challenger benchmarks, and bound to upfront latency boundaries.

Differentiating capability
A proprietary digital asset your market competitors cannot buy—engineered directly around your unique database structures
Measurable uplift
Validated gains across metric tracking, profit protections, or structural risk reduction inside the target workflow
Audit signed
Every system choice remains fully explainable, clearing compliance, corporate risk, and external regulatory validations
IP retained
Your enterprise holds absolute ownership over final source binaries, operational weights, validation sets, and raw code files

Definitive project delivery parameters are finalised and committed to in writing during the initial technical Discovery phase.

Get a free consultation

Managing an enterprise processing layer that must be legally defensible? Share your project brief, and our principal engineers will return an objective technical feasibility review within five business days.

Start the conversation
VIII Why SBL

Built for institutions, not for demos.


Why pursue custom software engineering with a development team that deploys and maintains live infrastructure rather than delivering abstract slide decks.

  1. We ship production models, not notebooks

    Our machine learning engineers actively build, monitor, and maintain what they develop. The final deliverables shift cleanly past conceptual code blocks and straight into operational runbooks.

  2. Explainability is not optional

    Every automated solution deployed within a regulated environment features detailed algorithmic documentation and active challenger monitoring. The compliance pack functions as an automatic system output.

  3. Full-stack custom

    Our engineers build the underlying analytics, the ingest pipelines, the secure APIs, the monitoring portals, and the operator workflows—ensuring single-point delivery accountability.

  4. IP stays with you

    Source frameworks, data weights, training logs, and core files remain exclusively your asset. They are never locked inside our organization, third-party software, or vendor ecosystems.

  5. Independently appraised

    Formally certified under CMMI Level 3, ISO 9001, ISO 27001, and ISO 27701 frameworks. Approved technical supplier to major public sector records organisations and compliance-heavy sectors.

  6. 99.1% on-time across 4,000+ projects

    Project timelines are governed by strict milestone metrics, not optimistic estimates. Every deployment phase ships complete with technical runbooks, strict system SLO limits, and validation packs.

IX Case studies

Custom Development, independently verifiable.


Engagements where the custom model became the competitive edge, the regulator signed off the lineage, and the IP stayed with the client. Filter to widen the view.

Industry
CASE 01 US university research initiative

Reliving History with Geospatial Intelligence

260 years of fragmented historical maps transformed into a georeferenced spatial database for anthropological and land-use analysis. A prominent US university needed to study the historical evolution of Uxeau, France, across multiple centuries of land ownership, taxation, and agricultural activity. The research depended on digitising and harmonising vintage maps dating back to 1759 — each with different scales, formats, and levels of degradation — into a single spatially accurate GIS environment suitable for comparative analysis. 260+ years of historical mapping digitised and layered. Lambert II precision georeferencing using Esri GIS tools. Multi-era land parcel and feature extraction delivered at scale.

“Historical GIS digitisation transformed fragmented archival maps into a searchable spatial database, accelerating anthropological research and long-term land-use analysis. “
Read the case
CASE 02 US radiology AI company

AI-Powered CT Scan Annotation

30,000+ CT scans annotated at 98.9% segmentation accuracy for AI-driven radiology models. A US-based MedTech AI company developing radiology models for tumour detection and analysis required clinically precise annotation support to accelerate model training and validation. Existing workflows faced rising costs, limited access to qualified medical annotators and growing compliance pressure around handling sensitive patient imaging data.

HIPAA-compliant medical annotation workflows improved radiology AI accuracy, accelerated tumour detection model training and reduced operational costs significantly.
Read the case
CASE 03 A US-based mortgage company

Mortgage Foreclosure Data Management

40%+ faster foreclosure data processing with 50% higher accuracy across multi-county property records. A US-based mortgage data company managing property intelligence across more than 155 million properties and 3,000+ counties required a scalable operational model for foreclosure data collection and processing. Their existing workflows relied heavily on manual back-office operations, creating delays, inconsistencies and rising operational overhead across fragmented government data sources.

Standardised foreclosure processing improved nationwide property data accuracy, reduced turnaround times and created a scalable mortgage intelligence operations framework.
Read the case
XHow you can work with us

Three engagement models. One operating standard.

The underlying commercial configuration adapts to your internal procurement model; our engineering governance frameworks and data protection standards remain unyielding. Whichever setup you select, you secure the identical verification packs and absolute IP ownership.

/ A

Dedicated Teams

An integrated, standing engineering pod—comprising machine learning developers, database engineers, backend specialists, and MLOps architects—embedded alongside your group for the lifecycle of the system.

  • Best forMulti-quarter enterprise model roadmaps and internal platforms undergoing continuous performance tuning.
  • CommercialPredictable monthly delivery structure; technical resource allocation adjusts fluidly based on clear notification terms.
  • GovernanceAssigned technical delivery head; weekly project steering updates; formal quarterly performance reviews
Talk to us
/ B

Fixed-Scope Projects

A clearly defined software system or model architecture delivered directly to explicit, measurable holdout evaluation thresholds. Bound to a fixed price and a concrete timeline.

  • Best forFocused launch pilots, single-model system builds, and targeted proof-of-value validation phases.
  • CommercialFixed-cost arrangement; milestone-linked invoicing schedules; highly detailed technical acceptance parameters.
  • GovernanceStatements of Work locking down explicit data evaluation baselines and audit pack specifications on day one.
Talk to us
/ C

Staff Augmentation

Senior machine learning specialists and backend developers integrated directly within your internal development sprints—working under your deployment roadmap while enforcing our strict code standards.

  • Best forBridging immediate team capacity deficits or injecting specialised niche capabilities (MLOps setup, fine-tuning execution, algorithmic validation, system explainability).
  • CommercialStraightforward per-resource monthly billing paired with a baseline three-month integration commitment.
  • GovernanceManaged via your internal daily development processes, backed entirely by our compliance footprints and engineering execution credentials.
Talk to us
XIHow we deliver

Four phases. Same rhythm every time.

Bespoke software systems routinely break down in production when they are isolated as mere academic research exercises. We manage custom builds as disciplined enterprise delivery programmes containing specialised research layers inside them.

01

Discover

Technical challenge definition, data asset quality screening, and objective feasibility verification. Your structural data-readiness roadmap is detailed here, never delayed.

Weeks 1 — 2
02

Design

Model topology, feature engineering, explainability strategy, evaluation harness, MLOps shape and audit-pack spec — all named on the page within the working week.

Weeks 2 — 4
03

Build

Iterative model development with shadow-mode before go-live. Challenger baselines run alongside the production candidate.

Weeks 4 — 16
04

Scale

Continuous system monitoring, structured dataset retraining cycles, and active challenger model evaluation. We ensure your analytics remain highly accurate under real-world data drift.

Ongoing

“A predictive model deployed without a comprehensive operational runbook is simply an academic research project waiting to fail.”

Contact us
Trusted by 100+ clients·20+ years in regulated technology·4,000+ projects delivered·99.1% on-time
We needed a risk-scoring engine the regulator would read line by line. SBL built the model, the pipeline, the API and the explainability layer in one team. Approval rates are up, default rates are down, and the regulator now uses our lineage as the reference example for the rest of the book.
Chief Risk Officer UK fintech — Custom Development — lending risk engine
XIITell us about your project

Send the brief. Receive a measured feasibility note.

Not a sales call. A two-page brief, an honest read of feasibility and data readiness, and a measured engagement plan returned within the working week.

Phone+44 791 884 7631
ServiceCustom Development