Exergi B(y)rån

Sweden · owned by Independent (Sweden) · exergi.se · 19 vendors

Exergi B(y)rån is a sole proprietorship energy consulting firm specializing in energy analysis, energy performance calculations, and educational services. The company provides energy mapping, energy performance calculations for new buildings, and lectures/training on renewable energy and sustainability topics.

Resilience scores

Disruption prediction

Exergi B(y)rån has an estimated 17% probability of disruption in the next 6 months.

9 of Exergi B(y)rån's 19 vendors monitored for disruptions.

Technology vendors

Insights

Last updated 2026-08-19 · revision 1

19 direct vendors, 260 subvendors

Direct vendors by controlling owner country (sample)

Subvendors by controlling owner country (sample)

Migration Readiness: 4/10

Assessed by AI based on technology stack characteristics (cloud-native vs legacy, containerization, microservices), regulatory environment, data residency requirements, financial stability, and vendor lock-in risks. The score ranges from 0-10, where higher scores indicate better readiness for technology migration.

Exergi Byrån's migration readiness is assessed as medium-low. A primary challenge is the lack of information regarding its internal tech stack and key technologies, making it impossible to determine the current level of modernization (e.g., cloud-native, containerization, microservices). This suggests a potential reliance on legacy or on-premise systems, which would significantly increase migration complexity and cost. The company operates in a highly regulated energy sector within the EU, with GDPR and NIS2 applicability, imposing stringent compliance requirements that would necessitate careful planning and execution during any migration. Furthermore, strict data residency requirements dictate that data must remain within Sweden/EU, limiting cloud provider options and requiring specific regional deployments, adding to migration complexity and cost. On the positive side, consistent revenue growth indicates strong financial stability, suggesting the company has the financial capacity to fund a migration. Regarding vendor relationships, the data states 'Total Vendors: 0', which, if taken literally, would imply no external vendor lock-in. However, this contradicts the presence of 'Vendor HQ Countries' and 'Vendor Geographic Diversity'. If vendors are indeed utilized, the 'Vendor Lock-in Risk' is unknown, and the number of unique vendors is not provided, making it difficult to assess the extent of potential vendor lock-in. Overall, the significant technical unknowns and the complex regulatory and data residency constraints present substantial hurdles to a smooth migration.

Compliance

6 in-scope frameworks identified; showing 3.

GDPR (source) — Assessment Required

GDPR is universally applicable to this Swedish sole-trader business as it operates within the EU and processes personal data of clients (municipalities, companies, private individuals), suppliers, and any employees or contractors. The risk level is assessed as Medium rather than High because: (1) Exergi B(y)rån is a micro-enterprise (sole trader, one person), which significantly limits the volume and complexity of personal data processed; (2) the data processed is likely limited to basic contact and contractual information for clients and counterparties; (3) no sensitive special-category data (health, biometric, etc.) appears to be processed in the ordinary course of business; (4) Sweden's supervisory authority (IMY – Integritetsskyddsmyndigheten) does apply GDPR to all entities including sole traders, but enforcement focus tends to be on larger organisations or egregious violations; (5) however, non-compliance with even basic GDPR obligations (privacy notice, lawful basis, data subject rights) can result in fines up to €10M or 2% of global annual turnover, and reputational harm. The compliance status is 'Assessment Required' because no public evidence of a privacy policy, GDPR compliance documentation, or DPO appointment was found on the website.

Evidence: https://exergi.se, https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32016R0679, https://www.imy.se/en/organisations/data-protection/this-applies-accordning-to-gdpr/

ISO 27001 (source) — Assessment Required

ISO 27001 is a voluntary international standard for information security management. While it is applicable in principle to any organisation that processes information, it is rarely pursued by sole-trader micro-enterprises due to the significant cost and administrative burden of certification. For Exergi B(y)rån, the risk level is Low because: (1) the company is a one-person operation with minimal information assets; (2) no client contracts or regulatory requirements appear to mandate ISO 27001 certification for energy consultancies of this size; (3) the consequences of not being certified are primarily commercial (loss of tenders requiring certification) rather than regulatory. No evidence of certification was found.

Evidence: https://exergi.se, https://www.iso.org/standard/27001

Swedish OVK Regulation — Assessment Required

Exergi B(y)rån previously provided OVK (obligatorisk ventilationskontroll — mandatory ventilation inspection) services as a certified OVK inspector (sakkunnig funktionskontrollant) for complex buildings, certified on 2 April 2012. The service was discontinued in 2022. Risk is Low because the service has been discontinued and the certification period has ended, reducing ongoing regulatory exposure. The main risk relates to any outstanding obligations from inspections conducted prior to 2022.

Evidence: https://exergi.se, https://exergi.se/?page_id=49, https://www.boverket.se/sv/byggande/halsa-och-inomhusmiljo/ventilation/ovk/

Financials

Three-year financials

Financial Resilience Score: 4/10

Exergi B(y)rån is a Swedish sole proprietorship (enskild firma) with no public financial statements, as such entities are not required to file annual reports with Bolagsverket. The business benefits from a very low fixed cost base as a one-person firm with no employees or office overhead, and the owner has ~40+ years of specialist expertise in energy efficiency along with relevant certifications (Swedcert/Kiwa energy expert, formerly OVK inspector). A ~35-year operational track record and established local network with municipalities, the County Administrative Board, businesses, and private clients provide qualitative stability. However, resilience is fundamentally constrained by absolute key-person risk: the business is entirely dependent on Marcel Berkelder, who graduated in 1979 and is approaching or in later career. The trajectory shows a maturing/winding-down micro-business — OVK inspection ceased in 2022, energy declaration service ceased in August 2023, and the municipal advisor role ended January 2020. The narrowing service portfolio, capped capacity at one person's hours, small rural client base in Västerbotten, and regulatory dependency all elevate risk. Without verifiable financial figures, a moderate-to-low resilience score reflects the combination of low overhead stability against high concentration and succession risk.

Key strengths: Very low fixed cost base as a one-person firm, 40+ years of specialist expertise in energy efficiency, Certified energy expert (Swedcert/Kiwa, 2008), ~35-year operational track record, Established local network with municipalities and authorities, Diversified service history including consulting, teaching, and municipal advisory

Risk factors: Absolute key-person risk — entirely dependent on Marcel Berkelder, Founder graduated 1979; elevated succession/retirement risk, Business winding down — OVK ceased 2022, energy declarations ceased Aug 2023, Municipal advisor role ended January 2020, No workforce redundancy or scalability, Small, rural client base limited to Västerbotten/northern Sweden, Regulatory dependency on Swedish building/energy rules, Narrowing service portfolio

Revenue by geography

Workforce by country

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